mirror of
https://github.com/pikami/cosmium.git
synced 2025-03-04 08:56:57 +00:00
Add support for subqueries
This commit is contained in:
Pijus Kamandulis
parent
3584f9b5ce
commit
66ea859f34
@ -111,7 +111,7 @@ func ExecuteQueryDocuments(databaseId string, collectionId string, query string,
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if typedQuery, ok := parsedQuery.(parsers.SelectStmt); ok {
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typedQuery.Parameters = queryParameters
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return memoryexecutor.Execute(typedQuery, covDocs), repositorymodels.StatusOk
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return memoryexecutor.ExecuteQuery(typedQuery, covDocs), repositorymodels.StatusOk
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}
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return nil, repositorymodels.BadRequest
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@ -5,6 +5,7 @@ type SelectStmt struct {
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Table Table
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JoinItems []JoinItem
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Filters interface{}
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Exists bool
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Distinct bool
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Count int
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Offset int
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@ -15,6 +16,7 @@ type SelectStmt struct {
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type Table struct {
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Value string
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SelectItem SelectItem
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}
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type JoinItem struct {
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@ -30,6 +32,7 @@ const (
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SelectItemTypeArray
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SelectItemTypeConstant
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SelectItemTypeFunctionCall
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SelectItemTypeSubQuery
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)
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type SelectItem struct {
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@ -122,4 +122,25 @@ func Test_Parse(t *testing.T) {
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},
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)
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})
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t.Run("Should parse IN selector", func(t *testing.T) {
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testQueryParse(
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t,
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`SELECT c.id FROM c IN c.tags`,
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parsers.SelectStmt{
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SelectItems: []parsers.SelectItem{
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{
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Path: []string{"c", "id"},
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Type: parsers.SelectItemTypeField,
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},
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},
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Table: parsers.Table{
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Value: "c",
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SelectItem: parsers.SelectItem{
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Path: []string{"c", "tags"},
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},
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},
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},
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)
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})
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}
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File diff suppressed because it is too large
Load Diff
@ -4,14 +4,17 @@ package nosql
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import "github.com/pikami/cosmium/parsers"
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func makeSelectStmt(
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columns, table, joinItems,
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columns, fromClause, joinItems,
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whereClause interface{}, distinctClause interface{},
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count interface{}, groupByClause interface{}, orderList interface{},
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offsetClause interface{},
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) (parsers.SelectStmt, error) {
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selectStmt := parsers.SelectStmt{
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SelectItems: columns.([]parsers.SelectItem),
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Table: table.(parsers.Table),
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}
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if fromTable, ok := fromClause.(parsers.Table); ok {
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selectStmt.Table = fromTable
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}
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if joinItemsArray, ok := joinItems.([]interface{}); ok && len(joinItemsArray) > 0 {
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@ -56,10 +59,18 @@ func makeSelectStmt(
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}
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func makeJoin(table interface{}, column interface{}) (parsers.JoinItem, error) {
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return parsers.JoinItem{
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Table: table.(parsers.Table),
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SelectItem: column.(parsers.SelectItem),
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}, nil
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joinItem := parsers.JoinItem{}
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if selectItem, isSelectItem := column.(parsers.SelectItem); isSelectItem {
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joinItem.SelectItem = selectItem
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joinItem.Table.Value = selectItem.Alias
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}
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if tableTyped, isTable := table.(parsers.Table); isTable {
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joinItem.Table = tableTyped
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}
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return joinItem, nil
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}
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func makeSelectItem(name interface{}, path interface{}, selectItemType parsers.SelectItemType) (parsers.SelectItem, error) {
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@ -177,13 +188,13 @@ SelectStmt <- Select ws
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distinctClause:DistinctClause? ws
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topClause:TopClause? ws
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columns:Selection ws
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From ws table:TableName ws
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joinClauses:JoinClause* ws
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fromClause:FromClause? ws
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joinClauses:(ws join:JoinClause { return join, nil })* ws
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whereClause:(ws Where ws condition:Condition { return condition, nil })?
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groupByClause:(ws GroupBy ws columns:ColumnList { return columns, nil })?
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orderByClause:OrderByClause?
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offsetClause:OffsetClause? {
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return makeSelectStmt(columns, table, joinClauses, whereClause,
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orderByClause:(ws order:OrderByClause { return order, nil })?
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offsetClause:(ws offset:OffsetClause { return offset, nil })? {
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return makeSelectStmt(columns, fromClause, joinClauses, whereClause,
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distinctClause, topClause, groupByClause, orderByClause, offsetClause)
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}
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@ -193,8 +204,49 @@ TopClause <- Top ws count:Integer {
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return count, nil
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}
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FromClause <- From ws table:TableName selectItem:(ws "IN"i ws column:SelectItem { return column, nil })? {
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tableTyped := table.(parsers.Table)
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if selectItem != nil {
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tableTyped.SelectItem = selectItem.(parsers.SelectItem)
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}
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return tableTyped, nil
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} / From ws subQuery:SubQuerySelectItem {
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subQueryTyped := subQuery.(parsers.SelectItem)
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table := parsers.Table{
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Value: subQueryTyped.Alias,
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SelectItem: subQueryTyped,
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}
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return table, nil
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}
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SubQuery <- exists:(exists:Exists ws { return exists, nil })? "(" ws selectStmt:SelectStmt ws ")" {
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if selectStatement, isGoodValue := selectStmt.(parsers.SelectStmt); isGoodValue {
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selectStatement.Exists = exists != nil
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return selectStatement, nil
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}
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return selectStmt, nil
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}
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SubQuerySelectItem <- subQuery:SubQuery asClause:(ws alias:AsClause { return alias, nil })? {
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selectItem := parsers.SelectItem{
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Type: parsers.SelectItemTypeSubQuery,
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Value: subQuery,
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}
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if tableName, isString := asClause.(string); isString {
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selectItem.Alias = tableName
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}
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return selectItem, nil
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}
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JoinClause <- Join ws table:TableName ws "IN"i ws column:SelectItem {
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return makeJoin(table, column)
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} / Join ws subQuery:SubQuerySelectItem {
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return makeJoin(nil, subQuery)
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}
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OffsetClause <- "OFFSET"i ws offset:IntegerLiteral ws "LIMIT"i ws limit:IntegerLiteral {
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@ -241,7 +293,7 @@ SelectProperty <- name:Identifier path:(DotFieldAccess / ArrayFieldAccess)* {
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return makeSelectItem(name, path, parsers.SelectItemTypeField)
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}
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SelectItem <- selectItem:(Literal / FunctionCall / SelectArray / SelectObject / SelectProperty) asClause:AsClause? {
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SelectItem <- selectItem:(SubQuerySelectItem / Literal / FunctionCall / SelectArray / SelectObject / SelectProperty) asClause:AsClause? {
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var itemResult parsers.SelectItem
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switch typedValue := selectItem.(type) {
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case parsers.SelectItem:
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@ -322,11 +374,13 @@ From <- "FROM"i
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Join <- "JOIN"i
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Exists <- "EXISTS"i
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Where <- "WHERE"i
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And <- "AND"i
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Or <- "OR"i
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Or <- "OR"i wss
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GroupBy <- "GROUP"i ws "BY"i
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@ -677,4 +731,6 @@ non_escape_character <- !(escape_character) char:.
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ws <- [ \t\n\r]*
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wss <- [ \t\n\r]+
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EOF <- !.
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125
parsers/nosql/subquery_test.go
Normal file
125
parsers/nosql/subquery_test.go
Normal file
@ -0,0 +1,125 @@
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package nosql_test
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import (
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"testing"
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"github.com/pikami/cosmium/parsers"
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)
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func Test_Parse_SubQuery(t *testing.T) {
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t.Run("Should parse FROM subquery", func(t *testing.T) {
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testQueryParse(
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t,
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`SELECT c.id FROM (SELECT VALUE cc["info"] FROM cc) AS c`,
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parsers.SelectStmt{
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SelectItems: []parsers.SelectItem{
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{Path: []string{"c", "id"}},
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},
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Table: parsers.Table{
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Value: "c",
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SelectItem: parsers.SelectItem{
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Alias: "c",
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Type: parsers.SelectItemTypeSubQuery,
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Value: parsers.SelectStmt{
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Table: parsers.Table{Value: "cc"},
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SelectItems: []parsers.SelectItem{
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{Path: []string{"cc", "info"}, IsTopLevel: true},
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},
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},
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},
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},
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},
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)
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})
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t.Run("Should parse JOIN subquery", func(t *testing.T) {
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testQueryParse(
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t,
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`SELECT c.id, cc.name FROM c JOIN (SELECT tag.name FROM tag IN c.tags) AS cc`,
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parsers.SelectStmt{
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SelectItems: []parsers.SelectItem{
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{Path: []string{"c", "id"}},
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{Path: []string{"cc", "name"}},
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},
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Table: parsers.Table{
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Value: "c",
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},
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JoinItems: []parsers.JoinItem{
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{
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Table: parsers.Table{
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Value: "cc",
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},
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SelectItem: parsers.SelectItem{
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Alias: "cc",
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Type: parsers.SelectItemTypeSubQuery,
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Value: parsers.SelectStmt{
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SelectItems: []parsers.SelectItem{
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{Path: []string{"tag", "name"}},
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},
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Table: parsers.Table{
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Value: "tag",
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SelectItem: parsers.SelectItem{
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Path: []string{"c", "tags"},
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},
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},
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},
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},
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},
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},
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},
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)
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})
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t.Run("Should parse JOIN EXISTS subquery", func(t *testing.T) {
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testQueryParse(
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t,
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`SELECT c.id
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FROM c
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JOIN (
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SELECT VALUE EXISTS(SELECT tag.name FROM tag IN c.tags)
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) AS hasTags
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WHERE hasTags`,
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parsers.SelectStmt{
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SelectItems: []parsers.SelectItem{
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{Path: []string{"c", "id"}},
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},
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Table: parsers.Table{
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Value: "c",
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},
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JoinItems: []parsers.JoinItem{
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{
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Table: parsers.Table{Value: "hasTags"},
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SelectItem: parsers.SelectItem{
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Alias: "hasTags",
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Type: parsers.SelectItemTypeSubQuery,
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Value: parsers.SelectStmt{
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SelectItems: []parsers.SelectItem{
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{
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IsTopLevel: true,
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Type: parsers.SelectItemTypeSubQuery,
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Value: parsers.SelectStmt{
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SelectItems: []parsers.SelectItem{
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{Path: []string{"tag", "name"}},
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},
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Table: parsers.Table{
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Value: "tag",
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SelectItem: parsers.SelectItem{
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Path: []string{"c", "tags"},
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},
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},
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Exists: true,
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},
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},
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},
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},
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},
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},
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},
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Filters: parsers.SelectItem{
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Path: []string{"hasTags"},
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},
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},
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)
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})
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}
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@ -6,14 +6,13 @@ import (
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"github.com/pikami/cosmium/parsers"
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)
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func (c memoryExecutorContext) aggregate_Avg(arguments []interface{}, row RowType) interface{} {
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func (r rowContext) aggregate_Avg(arguments []interface{}) interface{} {
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selectExpression := arguments[0].(parsers.SelectItem)
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sum := 0.0
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count := 0
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if array, isArray := row.([]RowWithJoins); isArray {
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for _, item := range array {
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value := c.getFieldValue(selectExpression, item)
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for _, item := range r.grouppedRows {
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value := item.resolveSelectItem(selectExpression)
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if numericValue, ok := value.(float64); ok {
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sum += numericValue
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count++
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@ -22,7 +21,6 @@ func (c memoryExecutorContext) aggregate_Avg(arguments []interface{}, row RowTyp
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count++
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}
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}
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}
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if count > 0 {
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return sum / float64(count)
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@ -31,30 +29,27 @@ func (c memoryExecutorContext) aggregate_Avg(arguments []interface{}, row RowTyp
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}
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}
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func (c memoryExecutorContext) aggregate_Count(arguments []interface{}, row RowType) interface{} {
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func (r rowContext) aggregate_Count(arguments []interface{}) interface{} {
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selectExpression := arguments[0].(parsers.SelectItem)
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count := 0
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if array, isArray := row.([]RowWithJoins); isArray {
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for _, item := range array {
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value := c.getFieldValue(selectExpression, item)
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for _, item := range r.grouppedRows {
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value := item.resolveSelectItem(selectExpression)
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if value != nil {
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count++
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}
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}
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}
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return count
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}
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func (c memoryExecutorContext) aggregate_Max(arguments []interface{}, row RowType) interface{} {
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func (r rowContext) aggregate_Max(arguments []interface{}) interface{} {
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selectExpression := arguments[0].(parsers.SelectItem)
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max := 0.0
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count := 0
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if array, isArray := row.([]RowWithJoins); isArray {
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for _, item := range array {
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value := c.getFieldValue(selectExpression, item)
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for _, item := range r.grouppedRows {
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value := item.resolveSelectItem(selectExpression)
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if numericValue, ok := value.(float64); ok {
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if numericValue > max {
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max = numericValue
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@ -67,7 +62,6 @@ func (c memoryExecutorContext) aggregate_Max(arguments []interface{}, row RowTyp
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count++
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}
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}
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}
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if count > 0 {
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return max
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@ -76,14 +70,13 @@ func (c memoryExecutorContext) aggregate_Max(arguments []interface{}, row RowTyp
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}
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}
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func (c memoryExecutorContext) aggregate_Min(arguments []interface{}, row RowType) interface{} {
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func (r rowContext) aggregate_Min(arguments []interface{}) interface{} {
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selectExpression := arguments[0].(parsers.SelectItem)
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min := math.MaxFloat64
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count := 0
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if array, isArray := row.([]RowWithJoins); isArray {
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for _, item := range array {
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value := c.getFieldValue(selectExpression, item)
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for _, item := range r.grouppedRows {
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value := item.resolveSelectItem(selectExpression)
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if numericValue, ok := value.(float64); ok {
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if numericValue < min {
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min = numericValue
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@ -96,7 +89,6 @@ func (c memoryExecutorContext) aggregate_Min(arguments []interface{}, row RowTyp
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count++
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}
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}
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}
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if count > 0 {
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return min
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@ -105,14 +97,13 @@ func (c memoryExecutorContext) aggregate_Min(arguments []interface{}, row RowTyp
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}
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}
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func (c memoryExecutorContext) aggregate_Sum(arguments []interface{}, row RowType) interface{} {
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func (r rowContext) aggregate_Sum(arguments []interface{}) interface{} {
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selectExpression := arguments[0].(parsers.SelectItem)
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sum := 0.0
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count := 0
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if array, isArray := row.([]RowWithJoins); isArray {
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for _, item := range array {
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value := c.getFieldValue(selectExpression, item)
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for _, item := range r.grouppedRows {
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value := item.resolveSelectItem(selectExpression)
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if numericValue, ok := value.(float64); ok {
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sum += numericValue
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count++
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@ -121,7 +112,6 @@ func (c memoryExecutorContext) aggregate_Sum(arguments []interface{}, row RowTyp
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count++
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}
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}
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}
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if count > 0 {
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return sum
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@ -7,17 +7,17 @@ import (
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"github.com/pikami/cosmium/parsers"
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)
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func (c memoryExecutorContext) array_Concat(arguments []interface{}, row RowType) []interface{} {
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func (r rowContext) array_Concat(arguments []interface{}) []interface{} {
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var result []interface{}
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for _, arg := range arguments {
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array := c.parseArray(arg, row)
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array := r.parseArray(arg)
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result = append(result, array...)
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}
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return result
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}
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func (c memoryExecutorContext) array_Length(arguments []interface{}, row RowType) int {
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array := c.parseArray(arguments[0], row)
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func (r rowContext) array_Length(arguments []interface{}) int {
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array := r.parseArray(arguments[0])
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if array == nil {
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return 0
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}
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@ -25,15 +25,15 @@ func (c memoryExecutorContext) array_Length(arguments []interface{}, row RowType
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return len(array)
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}
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func (c memoryExecutorContext) array_Slice(arguments []interface{}, row RowType) []interface{} {
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func (r rowContext) array_Slice(arguments []interface{}) []interface{} {
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var ok bool
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var start int
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var length int
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array := c.parseArray(arguments[0], row)
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startEx := c.getFieldValue(arguments[1].(parsers.SelectItem), row)
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array := r.parseArray(arguments[0])
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startEx := r.resolveSelectItem(arguments[1].(parsers.SelectItem))
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if arguments[2] != nil {
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lengthEx := c.getFieldValue(arguments[2].(parsers.SelectItem), row)
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lengthEx := r.resolveSelectItem(arguments[2].(parsers.SelectItem))
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if length, ok = lengthEx.(int); !ok {
|
||||
logger.Error("array_Slice - got length parameters of wrong type")
|
||||
@ -65,9 +65,9 @@ func (c memoryExecutorContext) array_Slice(arguments []interface{}, row RowType)
|
||||
return array[start:end]
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) set_Intersect(arguments []interface{}, row RowType) []interface{} {
|
||||
set1 := c.parseArray(arguments[0], row)
|
||||
set2 := c.parseArray(arguments[1], row)
|
||||
func (r rowContext) set_Intersect(arguments []interface{}) []interface{} {
|
||||
set1 := r.parseArray(arguments[0])
|
||||
set2 := r.parseArray(arguments[1])
|
||||
|
||||
intersection := make(map[interface{}]struct{})
|
||||
if set1 == nil || set2 == nil {
|
||||
@ -88,9 +88,9 @@ func (c memoryExecutorContext) set_Intersect(arguments []interface{}, row RowTyp
|
||||
return result
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) set_Union(arguments []interface{}, row RowType) []interface{} {
|
||||
set1 := c.parseArray(arguments[0], row)
|
||||
set2 := c.parseArray(arguments[1], row)
|
||||
func (r rowContext) set_Union(arguments []interface{}) []interface{} {
|
||||
set1 := r.parseArray(arguments[0])
|
||||
set2 := r.parseArray(arguments[1])
|
||||
|
||||
var result []interface{}
|
||||
union := make(map[interface{}]struct{})
|
||||
@ -111,9 +111,9 @@ func (c memoryExecutorContext) set_Union(arguments []interface{}, row RowType) [
|
||||
return result
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) parseArray(argument interface{}, row RowType) []interface{} {
|
||||
func (r rowContext) parseArray(argument interface{}) []interface{} {
|
||||
exItem := argument.(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
arrValue := reflect.ValueOf(ex)
|
||||
if arrValue.Kind() != reflect.Slice {
|
||||
|
||||
@ -8,9 +8,9 @@ import (
|
||||
"github.com/pikami/cosmium/parsers"
|
||||
)
|
||||
|
||||
func (c memoryExecutorContext) math_Abs(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Abs(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
switch val := ex.(type) {
|
||||
case float64:
|
||||
@ -26,9 +26,9 @@ func (c memoryExecutorContext) math_Abs(arguments []interface{}, row RowType) in
|
||||
}
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Acos(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Acos(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
val, valIsNumber := numToFloat64(ex)
|
||||
if !valIsNumber {
|
||||
@ -44,9 +44,9 @@ func (c memoryExecutorContext) math_Acos(arguments []interface{}, row RowType) i
|
||||
return math.Acos(val) * 180 / math.Pi
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Asin(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Asin(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
val, valIsNumber := numToFloat64(ex)
|
||||
if !valIsNumber {
|
||||
@ -62,9 +62,9 @@ func (c memoryExecutorContext) math_Asin(arguments []interface{}, row RowType) i
|
||||
return math.Asin(val) * 180 / math.Pi
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Atan(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Atan(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
val, valIsNumber := numToFloat64(ex)
|
||||
if !valIsNumber {
|
||||
@ -75,9 +75,9 @@ func (c memoryExecutorContext) math_Atan(arguments []interface{}, row RowType) i
|
||||
return math.Atan(val) * 180 / math.Pi
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Ceiling(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Ceiling(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
switch val := ex.(type) {
|
||||
case float64:
|
||||
@ -90,9 +90,9 @@ func (c memoryExecutorContext) math_Ceiling(arguments []interface{}, row RowType
|
||||
}
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Cos(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Cos(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
val, valIsNumber := numToFloat64(ex)
|
||||
if !valIsNumber {
|
||||
@ -103,9 +103,9 @@ func (c memoryExecutorContext) math_Cos(arguments []interface{}, row RowType) in
|
||||
return math.Cos(val)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Cot(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Cot(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
val, valIsNumber := numToFloat64(ex)
|
||||
if !valIsNumber {
|
||||
@ -121,9 +121,9 @@ func (c memoryExecutorContext) math_Cot(arguments []interface{}, row RowType) in
|
||||
return 1 / math.Tan(val)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Degrees(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Degrees(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
val, valIsNumber := numToFloat64(ex)
|
||||
if !valIsNumber {
|
||||
@ -134,9 +134,9 @@ func (c memoryExecutorContext) math_Degrees(arguments []interface{}, row RowType
|
||||
return val * (180 / math.Pi)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Exp(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Exp(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
val, valIsNumber := numToFloat64(ex)
|
||||
if !valIsNumber {
|
||||
@ -147,9 +147,9 @@ func (c memoryExecutorContext) math_Exp(arguments []interface{}, row RowType) in
|
||||
return math.Exp(val)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Floor(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Floor(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
switch val := ex.(type) {
|
||||
case float64:
|
||||
@ -162,9 +162,9 @@ func (c memoryExecutorContext) math_Floor(arguments []interface{}, row RowType)
|
||||
}
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_IntBitNot(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_IntBitNot(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
switch val := ex.(type) {
|
||||
case int:
|
||||
@ -175,9 +175,9 @@ func (c memoryExecutorContext) math_IntBitNot(arguments []interface{}, row RowTy
|
||||
}
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Log10(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Log10(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
val, valIsNumber := numToFloat64(ex)
|
||||
if !valIsNumber {
|
||||
@ -193,9 +193,9 @@ func (c memoryExecutorContext) math_Log10(arguments []interface{}, row RowType)
|
||||
return math.Log10(val)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Radians(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Radians(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
val, valIsNumber := numToFloat64(ex)
|
||||
if !valIsNumber {
|
||||
@ -206,9 +206,9 @@ func (c memoryExecutorContext) math_Radians(arguments []interface{}, row RowType
|
||||
return val * (math.Pi / 180.0)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Round(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Round(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
switch val := ex.(type) {
|
||||
case float64:
|
||||
@ -221,9 +221,9 @@ func (c memoryExecutorContext) math_Round(arguments []interface{}, row RowType)
|
||||
}
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Sign(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Sign(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
switch val := ex.(type) {
|
||||
case float64:
|
||||
@ -248,9 +248,9 @@ func (c memoryExecutorContext) math_Sign(arguments []interface{}, row RowType) i
|
||||
}
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Sin(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Sin(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
val, valIsNumber := numToFloat64(ex)
|
||||
if !valIsNumber {
|
||||
@ -261,9 +261,9 @@ func (c memoryExecutorContext) math_Sin(arguments []interface{}, row RowType) in
|
||||
return math.Sin(val)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Sqrt(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Sqrt(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
val, valIsNumber := numToFloat64(ex)
|
||||
if !valIsNumber {
|
||||
@ -274,9 +274,9 @@ func (c memoryExecutorContext) math_Sqrt(arguments []interface{}, row RowType) i
|
||||
return math.Sqrt(val)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Square(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Square(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
val, valIsNumber := numToFloat64(ex)
|
||||
if !valIsNumber {
|
||||
@ -287,9 +287,9 @@ func (c memoryExecutorContext) math_Square(arguments []interface{}, row RowType)
|
||||
return math.Pow(val, 2)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Tan(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Tan(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
val, valIsNumber := numToFloat64(ex)
|
||||
if !valIsNumber {
|
||||
@ -300,9 +300,9 @@ func (c memoryExecutorContext) math_Tan(arguments []interface{}, row RowType) in
|
||||
return math.Tan(val)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Trunc(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Trunc(arguments []interface{}) interface{} {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
switch val := ex.(type) {
|
||||
case float64:
|
||||
@ -315,11 +315,11 @@ func (c memoryExecutorContext) math_Trunc(arguments []interface{}, row RowType)
|
||||
}
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Atn2(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Atn2(arguments []interface{}) interface{} {
|
||||
exItem1 := arguments[0].(parsers.SelectItem)
|
||||
exItem2 := arguments[1].(parsers.SelectItem)
|
||||
ex1 := c.getFieldValue(exItem1, row)
|
||||
ex2 := c.getFieldValue(exItem2, row)
|
||||
ex1 := r.resolveSelectItem(exItem1)
|
||||
ex2 := r.resolveSelectItem(exItem2)
|
||||
|
||||
y, yIsNumber := numToFloat64(ex1)
|
||||
x, xIsNumber := numToFloat64(ex2)
|
||||
@ -332,11 +332,11 @@ func (c memoryExecutorContext) math_Atn2(arguments []interface{}, row RowType) i
|
||||
return math.Atan2(y, x)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_IntAdd(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_IntAdd(arguments []interface{}) interface{} {
|
||||
exItem1 := arguments[0].(parsers.SelectItem)
|
||||
exItem2 := arguments[1].(parsers.SelectItem)
|
||||
ex1 := c.getFieldValue(exItem1, row)
|
||||
ex2 := c.getFieldValue(exItem2, row)
|
||||
ex1 := r.resolveSelectItem(exItem1)
|
||||
ex2 := r.resolveSelectItem(exItem2)
|
||||
|
||||
ex1Number, ex1IsNumber := numToInt(ex1)
|
||||
ex2Number, ex2IsNumber := numToInt(ex2)
|
||||
@ -349,11 +349,11 @@ func (c memoryExecutorContext) math_IntAdd(arguments []interface{}, row RowType)
|
||||
return ex1Number + ex2Number
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_IntBitAnd(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_IntBitAnd(arguments []interface{}) interface{} {
|
||||
exItem1 := arguments[0].(parsers.SelectItem)
|
||||
exItem2 := arguments[1].(parsers.SelectItem)
|
||||
ex1 := c.getFieldValue(exItem1, row)
|
||||
ex2 := c.getFieldValue(exItem2, row)
|
||||
ex1 := r.resolveSelectItem(exItem1)
|
||||
ex2 := r.resolveSelectItem(exItem2)
|
||||
|
||||
ex1Int, ex1IsInt := numToInt(ex1)
|
||||
ex2Int, ex2IsInt := numToInt(ex2)
|
||||
@ -366,11 +366,11 @@ func (c memoryExecutorContext) math_IntBitAnd(arguments []interface{}, row RowTy
|
||||
return ex1Int & ex2Int
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_IntBitLeftShift(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_IntBitLeftShift(arguments []interface{}) interface{} {
|
||||
exItem1 := arguments[0].(parsers.SelectItem)
|
||||
exItem2 := arguments[1].(parsers.SelectItem)
|
||||
ex1 := c.getFieldValue(exItem1, row)
|
||||
ex2 := c.getFieldValue(exItem2, row)
|
||||
ex1 := r.resolveSelectItem(exItem1)
|
||||
ex2 := r.resolveSelectItem(exItem2)
|
||||
|
||||
num1, num1IsInt := numToInt(ex1)
|
||||
num2, num2IsInt := numToInt(ex2)
|
||||
@ -383,11 +383,11 @@ func (c memoryExecutorContext) math_IntBitLeftShift(arguments []interface{}, row
|
||||
return num1 << uint(num2)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_IntBitOr(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_IntBitOr(arguments []interface{}) interface{} {
|
||||
exItem1 := arguments[0].(parsers.SelectItem)
|
||||
exItem2 := arguments[1].(parsers.SelectItem)
|
||||
ex1 := c.getFieldValue(exItem1, row)
|
||||
ex2 := c.getFieldValue(exItem2, row)
|
||||
ex1 := r.resolveSelectItem(exItem1)
|
||||
ex2 := r.resolveSelectItem(exItem2)
|
||||
|
||||
num1, num1IsInt := ex1.(int)
|
||||
num2, num2IsInt := ex2.(int)
|
||||
@ -400,11 +400,11 @@ func (c memoryExecutorContext) math_IntBitOr(arguments []interface{}, row RowTyp
|
||||
return num1 | num2
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_IntBitRightShift(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_IntBitRightShift(arguments []interface{}) interface{} {
|
||||
exItem1 := arguments[0].(parsers.SelectItem)
|
||||
exItem2 := arguments[1].(parsers.SelectItem)
|
||||
ex1 := c.getFieldValue(exItem1, row)
|
||||
ex2 := c.getFieldValue(exItem2, row)
|
||||
ex1 := r.resolveSelectItem(exItem1)
|
||||
ex2 := r.resolveSelectItem(exItem2)
|
||||
|
||||
num1, num1IsInt := numToInt(ex1)
|
||||
num2, num2IsInt := numToInt(ex2)
|
||||
@ -417,11 +417,11 @@ func (c memoryExecutorContext) math_IntBitRightShift(arguments []interface{}, ro
|
||||
return num1 >> uint(num2)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_IntBitXor(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_IntBitXor(arguments []interface{}) interface{} {
|
||||
exItem1 := arguments[0].(parsers.SelectItem)
|
||||
exItem2 := arguments[1].(parsers.SelectItem)
|
||||
ex1 := c.getFieldValue(exItem1, row)
|
||||
ex2 := c.getFieldValue(exItem2, row)
|
||||
ex1 := r.resolveSelectItem(exItem1)
|
||||
ex2 := r.resolveSelectItem(exItem2)
|
||||
|
||||
num1, num1IsInt := ex1.(int)
|
||||
num2, num2IsInt := ex2.(int)
|
||||
@ -434,11 +434,11 @@ func (c memoryExecutorContext) math_IntBitXor(arguments []interface{}, row RowTy
|
||||
return num1 ^ num2
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_IntDiv(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_IntDiv(arguments []interface{}) interface{} {
|
||||
exItem1 := arguments[0].(parsers.SelectItem)
|
||||
exItem2 := arguments[1].(parsers.SelectItem)
|
||||
ex1 := c.getFieldValue(exItem1, row)
|
||||
ex2 := c.getFieldValue(exItem2, row)
|
||||
ex1 := r.resolveSelectItem(exItem1)
|
||||
ex2 := r.resolveSelectItem(exItem2)
|
||||
|
||||
num1, num1IsInt := ex1.(int)
|
||||
num2, num2IsInt := ex2.(int)
|
||||
@ -451,11 +451,11 @@ func (c memoryExecutorContext) math_IntDiv(arguments []interface{}, row RowType)
|
||||
return num1 / num2
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_IntMul(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_IntMul(arguments []interface{}) interface{} {
|
||||
exItem1 := arguments[0].(parsers.SelectItem)
|
||||
exItem2 := arguments[1].(parsers.SelectItem)
|
||||
ex1 := c.getFieldValue(exItem1, row)
|
||||
ex2 := c.getFieldValue(exItem2, row)
|
||||
ex1 := r.resolveSelectItem(exItem1)
|
||||
ex2 := r.resolveSelectItem(exItem2)
|
||||
|
||||
num1, num1IsInt := ex1.(int)
|
||||
num2, num2IsInt := ex2.(int)
|
||||
@ -468,11 +468,11 @@ func (c memoryExecutorContext) math_IntMul(arguments []interface{}, row RowType)
|
||||
return num1 * num2
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_IntSub(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_IntSub(arguments []interface{}) interface{} {
|
||||
exItem1 := arguments[0].(parsers.SelectItem)
|
||||
exItem2 := arguments[1].(parsers.SelectItem)
|
||||
ex1 := c.getFieldValue(exItem1, row)
|
||||
ex2 := c.getFieldValue(exItem2, row)
|
||||
ex1 := r.resolveSelectItem(exItem1)
|
||||
ex2 := r.resolveSelectItem(exItem2)
|
||||
|
||||
num1, num1IsInt := ex1.(int)
|
||||
num2, num2IsInt := ex2.(int)
|
||||
@ -485,11 +485,11 @@ func (c memoryExecutorContext) math_IntSub(arguments []interface{}, row RowType)
|
||||
return num1 - num2
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_IntMod(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_IntMod(arguments []interface{}) interface{} {
|
||||
exItem1 := arguments[0].(parsers.SelectItem)
|
||||
exItem2 := arguments[1].(parsers.SelectItem)
|
||||
ex1 := c.getFieldValue(exItem1, row)
|
||||
ex2 := c.getFieldValue(exItem2, row)
|
||||
ex1 := r.resolveSelectItem(exItem1)
|
||||
ex2 := r.resolveSelectItem(exItem2)
|
||||
|
||||
num1, num1IsInt := ex1.(int)
|
||||
num2, num2IsInt := ex2.(int)
|
||||
@ -502,11 +502,11 @@ func (c memoryExecutorContext) math_IntMod(arguments []interface{}, row RowType)
|
||||
return num1 % num2
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Power(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Power(arguments []interface{}) interface{} {
|
||||
exItem1 := arguments[0].(parsers.SelectItem)
|
||||
exItem2 := arguments[1].(parsers.SelectItem)
|
||||
ex1 := c.getFieldValue(exItem1, row)
|
||||
ex2 := c.getFieldValue(exItem2, row)
|
||||
ex1 := r.resolveSelectItem(exItem1)
|
||||
ex2 := r.resolveSelectItem(exItem2)
|
||||
|
||||
base, baseIsNumber := numToFloat64(ex1)
|
||||
exponent, exponentIsNumber := numToFloat64(ex2)
|
||||
@ -519,14 +519,14 @@ func (c memoryExecutorContext) math_Power(arguments []interface{}, row RowType)
|
||||
return math.Pow(base, exponent)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Log(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_Log(arguments []interface{}) interface{} {
|
||||
exItem1 := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem1, row)
|
||||
ex := r.resolveSelectItem(exItem1)
|
||||
|
||||
var base float64 = math.E
|
||||
if len(arguments) > 1 {
|
||||
exItem2 := arguments[1].(parsers.SelectItem)
|
||||
baseValueObject := c.getFieldValue(exItem2, row)
|
||||
baseValueObject := r.resolveSelectItem(exItem2)
|
||||
baseValue, baseValueIsNumber := numToFloat64(baseValueObject)
|
||||
|
||||
if !baseValueIsNumber {
|
||||
@ -551,15 +551,15 @@ func (c memoryExecutorContext) math_Log(arguments []interface{}, row RowType) in
|
||||
return math.Log(num) / math.Log(base)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_NumberBin(arguments []interface{}, row RowType) interface{} {
|
||||
func (r rowContext) math_NumberBin(arguments []interface{}) interface{} {
|
||||
exItem1 := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem1, row)
|
||||
ex := r.resolveSelectItem(exItem1)
|
||||
|
||||
binSize := 1.0
|
||||
|
||||
if len(arguments) > 1 {
|
||||
exItem2 := arguments[1].(parsers.SelectItem)
|
||||
binSizeValueObject := c.getFieldValue(exItem2, row)
|
||||
binSizeValueObject := r.resolveSelectItem(exItem2)
|
||||
binSizeValue, binSizeValueIsNumber := numToFloat64(binSizeValueObject)
|
||||
|
||||
if !binSizeValueIsNumber {
|
||||
@ -584,11 +584,11 @@ func (c memoryExecutorContext) math_NumberBin(arguments []interface{}, row RowTy
|
||||
return math.Floor(num/binSize) * binSize
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Pi() interface{} {
|
||||
func (r rowContext) math_Pi() interface{} {
|
||||
return math.Pi
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) math_Rand() interface{} {
|
||||
func (r rowContext) math_Rand() interface{} {
|
||||
return rand.Float64()
|
||||
}
|
||||
|
||||
|
||||
@ -13,137 +13,174 @@ import (
|
||||
)
|
||||
|
||||
type RowType interface{}
|
||||
type RowWithJoins map[string]RowType
|
||||
type ExpressionType interface{}
|
||||
|
||||
type memoryExecutorContext struct {
|
||||
type rowContext struct {
|
||||
tables map[string]RowType
|
||||
parameters map[string]interface{}
|
||||
grouppedRows []rowContext
|
||||
}
|
||||
|
||||
func Execute(query parsers.SelectStmt, data []RowType) []RowType {
|
||||
ctx := memoryExecutorContext{
|
||||
parameters: query.Parameters,
|
||||
func ExecuteQuery(query parsers.SelectStmt, documents []RowType) []RowType {
|
||||
currentDocuments := make([]rowContext, 0)
|
||||
for _, doc := range documents {
|
||||
currentDocuments = append(currentDocuments, resolveFrom(query, doc)...)
|
||||
}
|
||||
|
||||
joinedRows := make([]RowWithJoins, 0)
|
||||
for _, row := range data {
|
||||
// Perform joins
|
||||
dataTables := map[string][]RowType{}
|
||||
|
||||
for _, join := range query.JoinItems {
|
||||
joinedData := ctx.getFieldValue(join.SelectItem, row)
|
||||
if joinedDataArray, isArray := joinedData.([]map[string]interface{}); isArray {
|
||||
var rows []RowType
|
||||
for _, m := range joinedDataArray {
|
||||
rows = append(rows, RowType(m))
|
||||
}
|
||||
dataTables[join.Table.Value] = rows
|
||||
}
|
||||
}
|
||||
|
||||
// Generate flat rows
|
||||
flatRows := []RowWithJoins{
|
||||
{query.Table.Value: row},
|
||||
}
|
||||
for joinedTableName, joinedTable := range dataTables {
|
||||
flatRows = zipRows(flatRows, joinedTableName, joinedTable)
|
||||
// Handle JOINS
|
||||
nextDocuments := make([]rowContext, 0)
|
||||
for _, currentDocument := range currentDocuments {
|
||||
rowContexts := currentDocument.handleJoin(query)
|
||||
nextDocuments = append(nextDocuments, rowContexts...)
|
||||
}
|
||||
currentDocuments = nextDocuments
|
||||
|
||||
// Apply filters
|
||||
filteredRows := []RowWithJoins{}
|
||||
for _, rowWithJoins := range flatRows {
|
||||
if ctx.evaluateFilters(query.Filters, rowWithJoins) {
|
||||
filteredRows = append(filteredRows, rowWithJoins)
|
||||
nextDocuments = make([]rowContext, 0)
|
||||
for _, currentDocument := range currentDocuments {
|
||||
if currentDocument.applyFilters(query.Filters) {
|
||||
nextDocuments = append(nextDocuments, currentDocument)
|
||||
}
|
||||
}
|
||||
|
||||
joinedRows = append(joinedRows, filteredRows...)
|
||||
}
|
||||
currentDocuments = nextDocuments
|
||||
|
||||
// Apply order
|
||||
if query.OrderExpressions != nil && len(query.OrderExpressions) > 0 {
|
||||
ctx.orderBy(query.OrderExpressions, joinedRows)
|
||||
if len(query.OrderExpressions) > 0 {
|
||||
applyOrder(currentDocuments, query.OrderExpressions)
|
||||
}
|
||||
|
||||
result := make([]RowType, 0)
|
||||
|
||||
// Apply group
|
||||
isGroupSelect := query.GroupBy != nil && len(query.GroupBy) > 0
|
||||
if isGroupSelect {
|
||||
result = ctx.groupBy(query, joinedRows)
|
||||
// Apply group by
|
||||
if len(query.GroupBy) > 0 {
|
||||
currentDocuments = applyGroupBy(currentDocuments, query.GroupBy)
|
||||
}
|
||||
|
||||
// Apply select
|
||||
if !isGroupSelect {
|
||||
selectedData := make([]RowType, 0)
|
||||
if hasAggregateFunctions(query.SelectItems) {
|
||||
// When can have aggregate functions without GROUP BY clause,
|
||||
// we should aggregate all rows in that case
|
||||
selectedData = append(selectedData, ctx.selectRow(query.SelectItems, joinedRows))
|
||||
} else {
|
||||
for _, row := range joinedRows {
|
||||
selectedData = append(selectedData, ctx.selectRow(query.SelectItems, row))
|
||||
}
|
||||
}
|
||||
|
||||
result = selectedData
|
||||
}
|
||||
projectedDocuments := applyProjection(currentDocuments, query.SelectItems, query.GroupBy)
|
||||
|
||||
// Apply distinct
|
||||
if query.Distinct {
|
||||
result = deduplicate(result)
|
||||
projectedDocuments = deduplicate(projectedDocuments)
|
||||
}
|
||||
|
||||
// Apply result limit
|
||||
if query.Count > 0 {
|
||||
count := func() int {
|
||||
if len(result) < query.Count {
|
||||
return len(result)
|
||||
}
|
||||
return query.Count
|
||||
}()
|
||||
result = result[:count]
|
||||
if query.Count > 0 && len(projectedDocuments) > query.Count {
|
||||
projectedDocuments = projectedDocuments[:query.Count]
|
||||
}
|
||||
|
||||
return result
|
||||
return projectedDocuments
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) selectRow(selectItems []parsers.SelectItem, row interface{}) interface{} {
|
||||
// When the first value is top level, select it instead
|
||||
if len(selectItems) > 0 && selectItems[0].IsTopLevel {
|
||||
return c.getFieldValue(selectItems[0], row)
|
||||
func resolveFrom(query parsers.SelectStmt, doc RowType) []rowContext {
|
||||
initialRow, gotParentContext := doc.(rowContext)
|
||||
if !gotParentContext {
|
||||
var initialTableName string
|
||||
if query.Table.SelectItem.Type == parsers.SelectItemTypeSubQuery {
|
||||
initialTableName = query.Table.SelectItem.Value.(parsers.SelectStmt).Table.Value
|
||||
}
|
||||
|
||||
// Construct a new row based on the selected columns
|
||||
newRow := make(map[string]interface{})
|
||||
for index, column := range selectItems {
|
||||
destinationName := column.Alias
|
||||
if destinationName == "" {
|
||||
if len(column.Path) > 0 {
|
||||
destinationName = column.Path[len(column.Path)-1]
|
||||
} else {
|
||||
destinationName = fmt.Sprintf("$%d", index+1)
|
||||
if initialTableName == "" {
|
||||
initialTableName = query.Table.Value
|
||||
}
|
||||
|
||||
initialRow = rowContext{
|
||||
parameters: query.Parameters,
|
||||
tables: map[string]RowType{
|
||||
initialTableName: doc,
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
newRow[destinationName] = c.getFieldValue(column, row)
|
||||
if query.Table.SelectItem.Path != nil || query.Table.SelectItem.Type == parsers.SelectItemTypeSubQuery {
|
||||
destinationTableName := query.Table.SelectItem.Alias
|
||||
if destinationTableName == "" {
|
||||
destinationTableName = query.Table.Value
|
||||
}
|
||||
|
||||
return newRow
|
||||
selectValue := initialRow.parseArray(query.Table.SelectItem)
|
||||
rowContexts := make([]rowContext, len(selectValue))
|
||||
for i, newRowData := range selectValue {
|
||||
rowContexts[i].parameters = initialRow.parameters
|
||||
rowContexts[i].tables = copyMap(initialRow.tables)
|
||||
rowContexts[i].tables[destinationTableName] = newRowData
|
||||
}
|
||||
return rowContexts
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) evaluateFilters(expr ExpressionType, row RowWithJoins) bool {
|
||||
if expr == nil {
|
||||
return []rowContext{initialRow}
|
||||
}
|
||||
|
||||
func (r rowContext) handleJoin(query parsers.SelectStmt) []rowContext {
|
||||
currentDocuments := []rowContext{r}
|
||||
|
||||
for _, joinItem := range query.JoinItems {
|
||||
nextDocuments := make([]rowContext, 0)
|
||||
for _, currentDocument := range currentDocuments {
|
||||
joinedItems := currentDocument.resolveJoinItemSelect(joinItem.SelectItem)
|
||||
for _, joinedItem := range joinedItems {
|
||||
tablesCopy := copyMap(currentDocument.tables)
|
||||
tablesCopy[joinItem.Table.Value] = joinedItem
|
||||
nextDocuments = append(nextDocuments, rowContext{
|
||||
parameters: currentDocument.parameters,
|
||||
tables: tablesCopy,
|
||||
})
|
||||
}
|
||||
}
|
||||
currentDocuments = nextDocuments
|
||||
}
|
||||
|
||||
return currentDocuments
|
||||
}
|
||||
|
||||
func (r rowContext) resolveJoinItemSelect(selectItem parsers.SelectItem) []RowType {
|
||||
if selectItem.Path != nil || selectItem.Type == parsers.SelectItemTypeSubQuery {
|
||||
selectValue := r.parseArray(selectItem)
|
||||
documents := make([]RowType, len(selectValue))
|
||||
for i, newRowData := range selectValue {
|
||||
documents[i] = newRowData
|
||||
}
|
||||
return documents
|
||||
}
|
||||
|
||||
return []RowType{}
|
||||
}
|
||||
|
||||
func (r rowContext) applyFilters(filters interface{}) bool {
|
||||
if filters == nil {
|
||||
return true
|
||||
}
|
||||
|
||||
switch typedValue := expr.(type) {
|
||||
switch typedFilters := filters.(type) {
|
||||
case parsers.ComparisonExpression:
|
||||
leftValue := c.getExpressionParameterValue(typedValue.Left, row)
|
||||
rightValue := c.getExpressionParameterValue(typedValue.Right, row)
|
||||
return r.filters_ComparisonExpression(typedFilters)
|
||||
case parsers.LogicalExpression:
|
||||
return r.filters_LogicalExpression(typedFilters)
|
||||
case parsers.Constant:
|
||||
if value, ok := typedFilters.Value.(bool); ok {
|
||||
return value
|
||||
}
|
||||
return false
|
||||
case parsers.SelectItem:
|
||||
resolvedValue := r.resolveSelectItem(typedFilters)
|
||||
if value, ok := resolvedValue.(bool); ok {
|
||||
return value
|
||||
}
|
||||
}
|
||||
|
||||
return false
|
||||
}
|
||||
|
||||
func (r rowContext) filters_ComparisonExpression(expression parsers.ComparisonExpression) bool {
|
||||
leftExpression, leftExpressionOk := expression.Left.(parsers.SelectItem)
|
||||
rightExpression, rightExpressionOk := expression.Right.(parsers.SelectItem)
|
||||
|
||||
if !leftExpressionOk || !rightExpressionOk {
|
||||
logger.Error("ComparisonExpression has incorrect Left or Right type")
|
||||
return false
|
||||
}
|
||||
|
||||
leftValue := r.resolveSelectItem(leftExpression)
|
||||
rightValue := r.resolveSelectItem(rightExpression)
|
||||
|
||||
cmp := compareValues(leftValue, rightValue)
|
||||
switch typedValue.Operation {
|
||||
switch expression.Operation {
|
||||
case "=":
|
||||
return cmp == 0
|
||||
case "!=":
|
||||
@ -157,15 +194,19 @@ func (c memoryExecutorContext) evaluateFilters(expr ExpressionType, row RowWithJ
|
||||
case ">=":
|
||||
return cmp >= 0
|
||||
}
|
||||
case parsers.LogicalExpression:
|
||||
|
||||
return false
|
||||
}
|
||||
|
||||
func (r rowContext) filters_LogicalExpression(expression parsers.LogicalExpression) bool {
|
||||
var result bool
|
||||
for i, expression := range typedValue.Expressions {
|
||||
expressionResult := c.evaluateFilters(expression, row)
|
||||
for i, subExpression := range expression.Expressions {
|
||||
expressionResult := r.applyFilters(subExpression)
|
||||
if i == 0 {
|
||||
result = expressionResult
|
||||
}
|
||||
|
||||
switch typedValue.Operation {
|
||||
switch expression.Operation {
|
||||
case parsers.LogicalExpressionTypeAnd:
|
||||
result = result && expressionResult
|
||||
if !result {
|
||||
@ -179,242 +220,363 @@ func (c memoryExecutorContext) evaluateFilters(expr ExpressionType, row RowWithJ
|
||||
}
|
||||
}
|
||||
return result
|
||||
case parsers.Constant:
|
||||
if value, ok := typedValue.Value.(bool); ok {
|
||||
return value
|
||||
}
|
||||
return false
|
||||
case parsers.SelectItem:
|
||||
resolvedValue := c.getFieldValue(typedValue, row)
|
||||
if value, ok := resolvedValue.(bool); ok {
|
||||
return value
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) getFieldValue(field parsers.SelectItem, row interface{}) interface{} {
|
||||
if field.Type == parsers.SelectItemTypeArray {
|
||||
func applyOrder(documents []rowContext, orderExpressions []parsers.OrderExpression) {
|
||||
less := func(i, j int) bool {
|
||||
for _, order := range orderExpressions {
|
||||
val1 := documents[i].resolveSelectItem(order.SelectItem)
|
||||
val2 := documents[j].resolveSelectItem(order.SelectItem)
|
||||
|
||||
cmp := compareValues(val1, val2)
|
||||
if cmp != 0 {
|
||||
if order.Direction == parsers.OrderDirectionDesc {
|
||||
return cmp > 0
|
||||
}
|
||||
return cmp < 0
|
||||
}
|
||||
}
|
||||
return i < j
|
||||
}
|
||||
|
||||
sort.SliceStable(documents, less)
|
||||
}
|
||||
|
||||
func applyGroupBy(documents []rowContext, groupBy []parsers.SelectItem) []rowContext {
|
||||
groupedRows := make(map[string][]rowContext)
|
||||
groupedKeys := make([]string, 0)
|
||||
|
||||
for _, row := range documents {
|
||||
key := row.generateGroupByKey(groupBy)
|
||||
if _, ok := groupedRows[key]; !ok {
|
||||
groupedKeys = append(groupedKeys, key)
|
||||
}
|
||||
groupedRows[key] = append(groupedRows[key], row)
|
||||
}
|
||||
|
||||
grouppedRows := make([]rowContext, 0)
|
||||
for _, key := range groupedKeys {
|
||||
grouppedRowContext := rowContext{
|
||||
tables: groupedRows[key][0].tables,
|
||||
parameters: groupedRows[key][0].parameters,
|
||||
grouppedRows: groupedRows[key],
|
||||
}
|
||||
grouppedRows = append(grouppedRows, grouppedRowContext)
|
||||
}
|
||||
|
||||
return grouppedRows
|
||||
}
|
||||
|
||||
func (r rowContext) generateGroupByKey(groupBy []parsers.SelectItem) string {
|
||||
var keyBuilder strings.Builder
|
||||
for _, selectItem := range groupBy {
|
||||
value := r.resolveSelectItem(selectItem)
|
||||
keyBuilder.WriteString(fmt.Sprintf("%v", value))
|
||||
keyBuilder.WriteString(":")
|
||||
}
|
||||
return keyBuilder.String()
|
||||
}
|
||||
|
||||
func applyProjection(documents []rowContext, selectItems []parsers.SelectItem, groupBy []parsers.SelectItem) []RowType {
|
||||
if len(documents) == 0 {
|
||||
return []RowType{}
|
||||
}
|
||||
|
||||
if hasAggregateFunctions(selectItems) && len(groupBy) == 0 {
|
||||
// When can have aggregate functions without GROUP BY clause,
|
||||
// we should aggregate all rows in that case
|
||||
rowContext := rowContext{
|
||||
tables: documents[0].tables,
|
||||
parameters: documents[0].parameters,
|
||||
grouppedRows: documents,
|
||||
}
|
||||
return []RowType{rowContext.applyProjection(selectItems)}
|
||||
}
|
||||
|
||||
projectedDocuments := make([]RowType, len(documents))
|
||||
for index, row := range documents {
|
||||
projectedDocuments[index] = row.applyProjection(selectItems)
|
||||
}
|
||||
|
||||
return projectedDocuments
|
||||
}
|
||||
|
||||
func (r rowContext) applyProjection(selectItems []parsers.SelectItem) RowType {
|
||||
// When the first value is top level, select it instead
|
||||
if len(selectItems) > 0 && selectItems[0].IsTopLevel {
|
||||
return r.resolveSelectItem(selectItems[0])
|
||||
}
|
||||
|
||||
// Construct a new row based on the selected columns
|
||||
row := make(map[string]interface{})
|
||||
for index, selectItem := range selectItems {
|
||||
destinationName := selectItem.Alias
|
||||
if destinationName == "" {
|
||||
if len(selectItem.Path) > 0 {
|
||||
destinationName = selectItem.Path[len(selectItem.Path)-1]
|
||||
} else {
|
||||
destinationName = fmt.Sprintf("$%d", index+1)
|
||||
}
|
||||
}
|
||||
|
||||
row[destinationName] = r.resolveSelectItem(selectItem)
|
||||
}
|
||||
|
||||
return row
|
||||
}
|
||||
|
||||
func (r rowContext) resolveSelectItem(selectItem parsers.SelectItem) interface{} {
|
||||
if selectItem.Type == parsers.SelectItemTypeArray {
|
||||
return r.selectItem_SelectItemTypeArray(selectItem)
|
||||
}
|
||||
|
||||
if selectItem.Type == parsers.SelectItemTypeObject {
|
||||
return r.selectItem_SelectItemTypeObject(selectItem)
|
||||
}
|
||||
|
||||
if selectItem.Type == parsers.SelectItemTypeConstant {
|
||||
return r.selectItem_SelectItemTypeConstant(selectItem)
|
||||
}
|
||||
|
||||
if selectItem.Type == parsers.SelectItemTypeSubQuery {
|
||||
return r.selectItem_SelectItemTypeSubQuery(selectItem)
|
||||
}
|
||||
|
||||
if selectItem.Type == parsers.SelectItemTypeFunctionCall {
|
||||
if typedFunctionCall, ok := selectItem.Value.(parsers.FunctionCall); ok {
|
||||
return r.selectItem_SelectItemTypeFunctionCall(typedFunctionCall)
|
||||
}
|
||||
|
||||
logger.Error("parsers.SelectItem has incorrect Value type (expected parsers.FunctionCall)")
|
||||
return nil
|
||||
}
|
||||
|
||||
return r.selectItem_SelectItemTypeField(selectItem)
|
||||
}
|
||||
|
||||
func (r rowContext) selectItem_SelectItemTypeArray(selectItem parsers.SelectItem) interface{} {
|
||||
arrayValue := make([]interface{}, 0)
|
||||
for _, selectItem := range field.SelectItems {
|
||||
arrayValue = append(arrayValue, c.getFieldValue(selectItem, row))
|
||||
for _, subSelectItem := range selectItem.SelectItems {
|
||||
arrayValue = append(arrayValue, r.resolveSelectItem(subSelectItem))
|
||||
}
|
||||
return arrayValue
|
||||
}
|
||||
|
||||
if field.Type == parsers.SelectItemTypeObject {
|
||||
func (r rowContext) selectItem_SelectItemTypeObject(selectItem parsers.SelectItem) interface{} {
|
||||
objectValue := make(map[string]interface{})
|
||||
for _, selectItem := range field.SelectItems {
|
||||
objectValue[selectItem.Alias] = c.getFieldValue(selectItem, row)
|
||||
for _, subSelectItem := range selectItem.SelectItems {
|
||||
objectValue[subSelectItem.Alias] = r.resolveSelectItem(subSelectItem)
|
||||
}
|
||||
return objectValue
|
||||
}
|
||||
|
||||
if field.Type == parsers.SelectItemTypeConstant {
|
||||
func (r rowContext) selectItem_SelectItemTypeConstant(selectItem parsers.SelectItem) interface{} {
|
||||
var typedValue parsers.Constant
|
||||
var ok bool
|
||||
if typedValue, ok = field.Value.(parsers.Constant); !ok {
|
||||
if typedValue, ok = selectItem.Value.(parsers.Constant); !ok {
|
||||
// TODO: Handle error
|
||||
logger.Error("parsers.Constant has incorrect Value type")
|
||||
}
|
||||
|
||||
if typedValue.Type == parsers.ConstantTypeParameterConstant &&
|
||||
c.parameters != nil {
|
||||
r.parameters != nil {
|
||||
if key, ok := typedValue.Value.(string); ok {
|
||||
return c.parameters[key]
|
||||
return r.parameters[key]
|
||||
}
|
||||
}
|
||||
|
||||
return typedValue.Value
|
||||
}
|
||||
|
||||
rowValue := row
|
||||
// Used for aggregates
|
||||
if array, isArray := row.([]RowWithJoins); isArray {
|
||||
rowValue = array[0]
|
||||
func (r rowContext) selectItem_SelectItemTypeSubQuery(selectItem parsers.SelectItem) interface{} {
|
||||
subQuery := selectItem.Value.(parsers.SelectStmt)
|
||||
subQueryResult := ExecuteQuery(
|
||||
subQuery,
|
||||
[]RowType{r},
|
||||
)
|
||||
|
||||
if subQuery.Exists {
|
||||
return len(subQueryResult) > 0
|
||||
}
|
||||
|
||||
if field.Type == parsers.SelectItemTypeFunctionCall {
|
||||
var typedValue parsers.FunctionCall
|
||||
var ok bool
|
||||
if typedValue, ok = field.Value.(parsers.FunctionCall); !ok {
|
||||
// TODO: Handle error
|
||||
logger.Error("parsers.Constant has incorrect Value type")
|
||||
return subQueryResult
|
||||
}
|
||||
|
||||
switch typedValue.Type {
|
||||
func (r rowContext) selectItem_SelectItemTypeFunctionCall(functionCall parsers.FunctionCall) interface{} {
|
||||
switch functionCall.Type {
|
||||
case parsers.FunctionCallStringEquals:
|
||||
return c.strings_StringEquals(typedValue.Arguments, rowValue)
|
||||
return r.strings_StringEquals(functionCall.Arguments)
|
||||
case parsers.FunctionCallContains:
|
||||
return c.strings_Contains(typedValue.Arguments, rowValue)
|
||||
return r.strings_Contains(functionCall.Arguments)
|
||||
case parsers.FunctionCallEndsWith:
|
||||
return c.strings_EndsWith(typedValue.Arguments, rowValue)
|
||||
return r.strings_EndsWith(functionCall.Arguments)
|
||||
case parsers.FunctionCallStartsWith:
|
||||
return c.strings_StartsWith(typedValue.Arguments, rowValue)
|
||||
return r.strings_StartsWith(functionCall.Arguments)
|
||||
case parsers.FunctionCallConcat:
|
||||
return c.strings_Concat(typedValue.Arguments, rowValue)
|
||||
return r.strings_Concat(functionCall.Arguments)
|
||||
case parsers.FunctionCallIndexOf:
|
||||
return c.strings_IndexOf(typedValue.Arguments, rowValue)
|
||||
return r.strings_IndexOf(functionCall.Arguments)
|
||||
case parsers.FunctionCallToString:
|
||||
return c.strings_ToString(typedValue.Arguments, rowValue)
|
||||
return r.strings_ToString(functionCall.Arguments)
|
||||
case parsers.FunctionCallUpper:
|
||||
return c.strings_Upper(typedValue.Arguments, rowValue)
|
||||
return r.strings_Upper(functionCall.Arguments)
|
||||
case parsers.FunctionCallLower:
|
||||
return c.strings_Lower(typedValue.Arguments, rowValue)
|
||||
return r.strings_Lower(functionCall.Arguments)
|
||||
case parsers.FunctionCallLeft:
|
||||
return c.strings_Left(typedValue.Arguments, rowValue)
|
||||
return r.strings_Left(functionCall.Arguments)
|
||||
case parsers.FunctionCallLength:
|
||||
return c.strings_Length(typedValue.Arguments, rowValue)
|
||||
return r.strings_Length(functionCall.Arguments)
|
||||
case parsers.FunctionCallLTrim:
|
||||
return c.strings_LTrim(typedValue.Arguments, rowValue)
|
||||
return r.strings_LTrim(functionCall.Arguments)
|
||||
case parsers.FunctionCallReplace:
|
||||
return c.strings_Replace(typedValue.Arguments, rowValue)
|
||||
return r.strings_Replace(functionCall.Arguments)
|
||||
case parsers.FunctionCallReplicate:
|
||||
return c.strings_Replicate(typedValue.Arguments, rowValue)
|
||||
return r.strings_Replicate(functionCall.Arguments)
|
||||
case parsers.FunctionCallReverse:
|
||||
return c.strings_Reverse(typedValue.Arguments, rowValue)
|
||||
return r.strings_Reverse(functionCall.Arguments)
|
||||
case parsers.FunctionCallRight:
|
||||
return c.strings_Right(typedValue.Arguments, rowValue)
|
||||
return r.strings_Right(functionCall.Arguments)
|
||||
case parsers.FunctionCallRTrim:
|
||||
return c.strings_RTrim(typedValue.Arguments, rowValue)
|
||||
return r.strings_RTrim(functionCall.Arguments)
|
||||
case parsers.FunctionCallSubstring:
|
||||
return c.strings_Substring(typedValue.Arguments, rowValue)
|
||||
return r.strings_Substring(functionCall.Arguments)
|
||||
case parsers.FunctionCallTrim:
|
||||
return c.strings_Trim(typedValue.Arguments, rowValue)
|
||||
return r.strings_Trim(functionCall.Arguments)
|
||||
|
||||
case parsers.FunctionCallIsDefined:
|
||||
return c.typeChecking_IsDefined(typedValue.Arguments, rowValue)
|
||||
return r.typeChecking_IsDefined(functionCall.Arguments)
|
||||
case parsers.FunctionCallIsArray:
|
||||
return c.typeChecking_IsArray(typedValue.Arguments, rowValue)
|
||||
return r.typeChecking_IsArray(functionCall.Arguments)
|
||||
case parsers.FunctionCallIsBool:
|
||||
return c.typeChecking_IsBool(typedValue.Arguments, rowValue)
|
||||
return r.typeChecking_IsBool(functionCall.Arguments)
|
||||
case parsers.FunctionCallIsFiniteNumber:
|
||||
return c.typeChecking_IsFiniteNumber(typedValue.Arguments, rowValue)
|
||||
return r.typeChecking_IsFiniteNumber(functionCall.Arguments)
|
||||
case parsers.FunctionCallIsInteger:
|
||||
return c.typeChecking_IsInteger(typedValue.Arguments, rowValue)
|
||||
return r.typeChecking_IsInteger(functionCall.Arguments)
|
||||
case parsers.FunctionCallIsNull:
|
||||
return c.typeChecking_IsNull(typedValue.Arguments, rowValue)
|
||||
return r.typeChecking_IsNull(functionCall.Arguments)
|
||||
case parsers.FunctionCallIsNumber:
|
||||
return c.typeChecking_IsNumber(typedValue.Arguments, rowValue)
|
||||
return r.typeChecking_IsNumber(functionCall.Arguments)
|
||||
case parsers.FunctionCallIsObject:
|
||||
return c.typeChecking_IsObject(typedValue.Arguments, rowValue)
|
||||
return r.typeChecking_IsObject(functionCall.Arguments)
|
||||
case parsers.FunctionCallIsPrimitive:
|
||||
return c.typeChecking_IsPrimitive(typedValue.Arguments, rowValue)
|
||||
return r.typeChecking_IsPrimitive(functionCall.Arguments)
|
||||
case parsers.FunctionCallIsString:
|
||||
return c.typeChecking_IsString(typedValue.Arguments, rowValue)
|
||||
return r.typeChecking_IsString(functionCall.Arguments)
|
||||
|
||||
case parsers.FunctionCallArrayConcat:
|
||||
return c.array_Concat(typedValue.Arguments, rowValue)
|
||||
return r.array_Concat(functionCall.Arguments)
|
||||
case parsers.FunctionCallArrayLength:
|
||||
return c.array_Length(typedValue.Arguments, rowValue)
|
||||
return r.array_Length(functionCall.Arguments)
|
||||
case parsers.FunctionCallArraySlice:
|
||||
return c.array_Slice(typedValue.Arguments, rowValue)
|
||||
return r.array_Slice(functionCall.Arguments)
|
||||
case parsers.FunctionCallSetIntersect:
|
||||
return c.set_Intersect(typedValue.Arguments, rowValue)
|
||||
return r.set_Intersect(functionCall.Arguments)
|
||||
case parsers.FunctionCallSetUnion:
|
||||
return c.set_Union(typedValue.Arguments, rowValue)
|
||||
return r.set_Union(functionCall.Arguments)
|
||||
|
||||
case parsers.FunctionCallMathAbs:
|
||||
return c.math_Abs(typedValue.Arguments, rowValue)
|
||||
return r.math_Abs(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathAcos:
|
||||
return c.math_Acos(typedValue.Arguments, rowValue)
|
||||
return r.math_Acos(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathAsin:
|
||||
return c.math_Asin(typedValue.Arguments, rowValue)
|
||||
return r.math_Asin(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathAtan:
|
||||
return c.math_Atan(typedValue.Arguments, rowValue)
|
||||
return r.math_Atan(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathCeiling:
|
||||
return c.math_Ceiling(typedValue.Arguments, rowValue)
|
||||
return r.math_Ceiling(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathCos:
|
||||
return c.math_Cos(typedValue.Arguments, rowValue)
|
||||
return r.math_Cos(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathCot:
|
||||
return c.math_Cot(typedValue.Arguments, rowValue)
|
||||
return r.math_Cot(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathDegrees:
|
||||
return c.math_Degrees(typedValue.Arguments, rowValue)
|
||||
return r.math_Degrees(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathExp:
|
||||
return c.math_Exp(typedValue.Arguments, rowValue)
|
||||
return r.math_Exp(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathFloor:
|
||||
return c.math_Floor(typedValue.Arguments, rowValue)
|
||||
return r.math_Floor(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathIntBitNot:
|
||||
return c.math_IntBitNot(typedValue.Arguments, rowValue)
|
||||
return r.math_IntBitNot(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathLog10:
|
||||
return c.math_Log10(typedValue.Arguments, rowValue)
|
||||
return r.math_Log10(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathRadians:
|
||||
return c.math_Radians(typedValue.Arguments, rowValue)
|
||||
return r.math_Radians(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathRound:
|
||||
return c.math_Round(typedValue.Arguments, rowValue)
|
||||
return r.math_Round(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathSign:
|
||||
return c.math_Sign(typedValue.Arguments, rowValue)
|
||||
return r.math_Sign(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathSin:
|
||||
return c.math_Sin(typedValue.Arguments, rowValue)
|
||||
return r.math_Sin(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathSqrt:
|
||||
return c.math_Sqrt(typedValue.Arguments, rowValue)
|
||||
return r.math_Sqrt(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathSquare:
|
||||
return c.math_Square(typedValue.Arguments, rowValue)
|
||||
return r.math_Square(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathTan:
|
||||
return c.math_Tan(typedValue.Arguments, rowValue)
|
||||
return r.math_Tan(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathTrunc:
|
||||
return c.math_Trunc(typedValue.Arguments, rowValue)
|
||||
return r.math_Trunc(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathAtn2:
|
||||
return c.math_Atn2(typedValue.Arguments, rowValue)
|
||||
return r.math_Atn2(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathIntAdd:
|
||||
return c.math_IntAdd(typedValue.Arguments, rowValue)
|
||||
return r.math_IntAdd(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathIntBitAnd:
|
||||
return c.math_IntBitAnd(typedValue.Arguments, rowValue)
|
||||
return r.math_IntBitAnd(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathIntBitLeftShift:
|
||||
return c.math_IntBitLeftShift(typedValue.Arguments, rowValue)
|
||||
return r.math_IntBitLeftShift(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathIntBitOr:
|
||||
return c.math_IntBitOr(typedValue.Arguments, rowValue)
|
||||
return r.math_IntBitOr(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathIntBitRightShift:
|
||||
return c.math_IntBitRightShift(typedValue.Arguments, rowValue)
|
||||
return r.math_IntBitRightShift(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathIntBitXor:
|
||||
return c.math_IntBitXor(typedValue.Arguments, rowValue)
|
||||
return r.math_IntBitXor(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathIntDiv:
|
||||
return c.math_IntDiv(typedValue.Arguments, rowValue)
|
||||
return r.math_IntDiv(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathIntMod:
|
||||
return c.math_IntMod(typedValue.Arguments, rowValue)
|
||||
return r.math_IntMod(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathIntMul:
|
||||
return c.math_IntMul(typedValue.Arguments, rowValue)
|
||||
return r.math_IntMul(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathIntSub:
|
||||
return c.math_IntSub(typedValue.Arguments, rowValue)
|
||||
return r.math_IntSub(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathPower:
|
||||
return c.math_Power(typedValue.Arguments, rowValue)
|
||||
return r.math_Power(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathLog:
|
||||
return c.math_Log(typedValue.Arguments, rowValue)
|
||||
return r.math_Log(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathNumberBin:
|
||||
return c.math_NumberBin(typedValue.Arguments, rowValue)
|
||||
return r.math_NumberBin(functionCall.Arguments)
|
||||
case parsers.FunctionCallMathPi:
|
||||
return c.math_Pi()
|
||||
return r.math_Pi()
|
||||
case parsers.FunctionCallMathRand:
|
||||
return c.math_Rand()
|
||||
return r.math_Rand()
|
||||
|
||||
case parsers.FunctionCallAggregateAvg:
|
||||
return c.aggregate_Avg(typedValue.Arguments, row)
|
||||
return r.aggregate_Avg(functionCall.Arguments)
|
||||
case parsers.FunctionCallAggregateCount:
|
||||
return c.aggregate_Count(typedValue.Arguments, row)
|
||||
return r.aggregate_Count(functionCall.Arguments)
|
||||
case parsers.FunctionCallAggregateMax:
|
||||
return c.aggregate_Max(typedValue.Arguments, row)
|
||||
return r.aggregate_Max(functionCall.Arguments)
|
||||
case parsers.FunctionCallAggregateMin:
|
||||
return c.aggregate_Min(typedValue.Arguments, row)
|
||||
return r.aggregate_Min(functionCall.Arguments)
|
||||
case parsers.FunctionCallAggregateSum:
|
||||
return c.aggregate_Sum(typedValue.Arguments, row)
|
||||
return r.aggregate_Sum(functionCall.Arguments)
|
||||
|
||||
case parsers.FunctionCallIn:
|
||||
return c.misc_In(typedValue.Arguments, rowValue)
|
||||
}
|
||||
return r.misc_In(functionCall.Arguments)
|
||||
}
|
||||
|
||||
value := rowValue
|
||||
if joinedRow, isRowWithJoins := value.(RowWithJoins); isRowWithJoins {
|
||||
value = joinedRow[field.Path[0]]
|
||||
logger.Errorf("Unknown function call type: %v", functionCall.Type)
|
||||
return nil
|
||||
}
|
||||
|
||||
if len(field.Path) > 1 {
|
||||
for _, pathSegment := range field.Path[1:] {
|
||||
func (r rowContext) selectItem_SelectItemTypeField(selectItem parsers.SelectItem) interface{} {
|
||||
value := r.tables[selectItem.Path[0]]
|
||||
|
||||
if len(selectItem.Path) > 1 {
|
||||
for _, pathSegment := range selectItem.Path[1:] {
|
||||
|
||||
switch nestedValue := value.(type) {
|
||||
case map[string]interface{}:
|
||||
value = nestedValue[pathSegment]
|
||||
case RowWithJoins:
|
||||
case map[string]RowType:
|
||||
value = nestedValue[pathSegment]
|
||||
case []int, []string, []interface{}:
|
||||
slice := reflect.ValueOf(nestedValue)
|
||||
@ -428,82 +590,28 @@ func (c memoryExecutorContext) getFieldValue(field parsers.SelectItem, row inter
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return value
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) getExpressionParameterValue(
|
||||
parameter interface{},
|
||||
row RowWithJoins,
|
||||
) interface{} {
|
||||
switch typedParameter := parameter.(type) {
|
||||
case parsers.SelectItem:
|
||||
return c.getFieldValue(typedParameter, row)
|
||||
func hasAggregateFunctions(selectItems []parsers.SelectItem) bool {
|
||||
if selectItems == nil {
|
||||
return false
|
||||
}
|
||||
|
||||
logger.Error("getExpressionParameterValue - got incorrect parameter type")
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) orderBy(orderBy []parsers.OrderExpression, data []RowWithJoins) {
|
||||
less := func(i, j int) bool {
|
||||
for _, order := range orderBy {
|
||||
val1 := c.getFieldValue(order.SelectItem, data[i])
|
||||
val2 := c.getFieldValue(order.SelectItem, data[j])
|
||||
|
||||
cmp := compareValues(val1, val2)
|
||||
if cmp != 0 {
|
||||
if order.Direction == parsers.OrderDirectionDesc {
|
||||
return cmp > 0
|
||||
}
|
||||
return cmp < 0
|
||||
for _, selectItem := range selectItems {
|
||||
if selectItem.Type == parsers.SelectItemTypeFunctionCall {
|
||||
if typedValue, ok := selectItem.Value.(parsers.FunctionCall); ok && slices.Contains[[]parsers.FunctionCallType](parsers.AggregateFunctions, typedValue.Type) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
return i < j
|
||||
|
||||
if hasAggregateFunctions(selectItem.SelectItems) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
||||
sort.SliceStable(data, less)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) groupBy(selectStmt parsers.SelectStmt, data []RowWithJoins) []RowType {
|
||||
groupedRows := make(map[string][]RowWithJoins)
|
||||
groupedKeys := make([]string, 0)
|
||||
|
||||
// Group rows by group by columns
|
||||
for _, row := range data {
|
||||
key := c.generateGroupKey(selectStmt.GroupBy, row)
|
||||
if _, ok := groupedRows[key]; !ok {
|
||||
groupedKeys = append(groupedKeys, key)
|
||||
}
|
||||
groupedRows[key] = append(groupedRows[key], row)
|
||||
}
|
||||
|
||||
// Aggregate each group
|
||||
aggregatedRows := make([]RowType, 0)
|
||||
for _, key := range groupedKeys {
|
||||
groupRows := groupedRows[key]
|
||||
aggregatedRow := c.aggregateGroup(selectStmt, groupRows)
|
||||
aggregatedRows = append(aggregatedRows, aggregatedRow)
|
||||
}
|
||||
|
||||
return aggregatedRows
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) generateGroupKey(groupByFields []parsers.SelectItem, row RowWithJoins) string {
|
||||
var keyBuilder strings.Builder
|
||||
for _, column := range groupByFields {
|
||||
fieldValue := c.getFieldValue(column, row)
|
||||
keyBuilder.WriteString(fmt.Sprintf("%v", fieldValue))
|
||||
keyBuilder.WriteString(":")
|
||||
}
|
||||
|
||||
return keyBuilder.String()
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) aggregateGroup(selectStmt parsers.SelectStmt, groupRows []RowWithJoins) RowType {
|
||||
aggregatedRow := c.selectRow(selectStmt.SelectItems, groupRows)
|
||||
|
||||
return aggregatedRow
|
||||
return false
|
||||
}
|
||||
|
||||
func compareValues(val1, val2 interface{}) int {
|
||||
@ -549,8 +657,8 @@ func compareValues(val1, val2 interface{}) int {
|
||||
}
|
||||
}
|
||||
|
||||
func deduplicate(slice []RowType) []RowType {
|
||||
var result []RowType
|
||||
func deduplicate[T RowType | interface{}](slice []T) []T {
|
||||
var result []T
|
||||
|
||||
for i := 0; i < len(slice); i++ {
|
||||
unique := true
|
||||
@ -569,42 +677,8 @@ func deduplicate(slice []RowType) []RowType {
|
||||
return result
|
||||
}
|
||||
|
||||
func hasAggregateFunctions(selectItems []parsers.SelectItem) bool {
|
||||
if selectItems == nil {
|
||||
return false
|
||||
}
|
||||
|
||||
for _, selectItem := range selectItems {
|
||||
if selectItem.Type == parsers.SelectItemTypeFunctionCall {
|
||||
if typedValue, ok := selectItem.Value.(parsers.FunctionCall); ok && slices.Contains[[]parsers.FunctionCallType](parsers.AggregateFunctions, typedValue.Type) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
||||
if hasAggregateFunctions(selectItem.SelectItems) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
||||
return false
|
||||
}
|
||||
|
||||
func zipRows(current []RowWithJoins, joinedTableName string, rowsToZip []RowType) []RowWithJoins {
|
||||
resultMap := make([]RowWithJoins, 0)
|
||||
|
||||
for _, currentRow := range current {
|
||||
for _, rowToZip := range rowsToZip {
|
||||
newRow := copyMap(currentRow)
|
||||
newRow[joinedTableName] = rowToZip
|
||||
resultMap = append(resultMap, newRow)
|
||||
}
|
||||
}
|
||||
|
||||
return resultMap
|
||||
}
|
||||
|
||||
func copyMap(originalMap map[string]RowType) map[string]RowType {
|
||||
targetMap := make(map[string]RowType)
|
||||
func copyMap[T RowType | []RowType](originalMap map[string]T) map[string]T {
|
||||
targetMap := make(map[string]T)
|
||||
|
||||
for k, v := range originalMap {
|
||||
targetMap[k] = v
|
||||
|
||||
@ -4,11 +4,11 @@ import (
|
||||
"github.com/pikami/cosmium/parsers"
|
||||
)
|
||||
|
||||
func (c memoryExecutorContext) misc_In(arguments []interface{}, row RowType) bool {
|
||||
value := c.getFieldValue(arguments[0].(parsers.SelectItem), row)
|
||||
func (r rowContext) misc_In(arguments []interface{}) bool {
|
||||
value := r.resolveSelectItem(arguments[0].(parsers.SelectItem))
|
||||
|
||||
for i := 1; i < len(arguments); i++ {
|
||||
compareValue := c.getFieldValue(arguments[i].(parsers.SelectItem), row)
|
||||
compareValue := r.resolveSelectItem(arguments[i].(parsers.SelectItem))
|
||||
if compareValues(value, compareValue) == 0 {
|
||||
return true
|
||||
}
|
||||
|
||||
@ -14,7 +14,7 @@ func testQueryExecute(
|
||||
data []memoryexecutor.RowType,
|
||||
expectedData []memoryexecutor.RowType,
|
||||
) {
|
||||
result := memoryexecutor.Execute(query, data)
|
||||
result := memoryexecutor.ExecuteQuery(query, data)
|
||||
|
||||
if !reflect.DeepEqual(result, expectedData) {
|
||||
t.Errorf("execution result does not match expected data.\nExpected: %+v\nGot: %+v", expectedData, result)
|
||||
@ -25,8 +25,20 @@ func Test_Execute(t *testing.T) {
|
||||
mockData := []memoryexecutor.RowType{
|
||||
map[string]interface{}{"id": "12345", "pk": 123, "_self": "self1", "_rid": "rid1", "_ts": 123456, "isCool": false},
|
||||
map[string]interface{}{"id": "67890", "pk": 456, "_self": "self2", "_rid": "rid2", "_ts": 789012, "isCool": true},
|
||||
map[string]interface{}{"id": "456", "pk": 456, "_self": "self2", "_rid": "rid2", "_ts": 789012, "isCool": true},
|
||||
map[string]interface{}{"id": "123", "pk": 456, "_self": "self2", "_rid": "rid2", "_ts": 789012, "isCool": true},
|
||||
map[string]interface{}{
|
||||
"id": "456", "pk": 456, "_self": "self2", "_rid": "rid2", "_ts": 789012, "isCool": true,
|
||||
"tags": []map[string]interface{}{
|
||||
{"name": "tag-a"},
|
||||
{"name": "tag-b"},
|
||||
},
|
||||
},
|
||||
map[string]interface{}{
|
||||
"id": "123", "pk": 456, "_self": "self2", "_rid": "rid2", "_ts": 789012, "isCool": true,
|
||||
"tags": []map[string]interface{}{
|
||||
{"name": "tag-b"},
|
||||
{"name": "tag-c"},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
t.Run("Should execute SELECT with ORDER BY", func(t *testing.T) {
|
||||
@ -124,4 +136,31 @@ func Test_Execute(t *testing.T) {
|
||||
},
|
||||
)
|
||||
})
|
||||
|
||||
t.Run("Should execute IN selector", func(t *testing.T) {
|
||||
testQueryExecute(
|
||||
t,
|
||||
parsers.SelectStmt{
|
||||
SelectItems: []parsers.SelectItem{
|
||||
{
|
||||
Path: []string{"c", "name"},
|
||||
Type: parsers.SelectItemTypeField,
|
||||
},
|
||||
},
|
||||
Table: parsers.Table{
|
||||
Value: "c",
|
||||
SelectItem: parsers.SelectItem{
|
||||
Path: []string{"c", "tags"},
|
||||
},
|
||||
},
|
||||
},
|
||||
mockData,
|
||||
[]memoryexecutor.RowType{
|
||||
map[string]interface{}{"name": "tag-a"},
|
||||
map[string]interface{}{"name": "tag-b"},
|
||||
map[string]interface{}{"name": "tag-b"},
|
||||
map[string]interface{}{"name": "tag-c"},
|
||||
},
|
||||
)
|
||||
})
|
||||
}
|
||||
|
||||
@ -8,10 +8,10 @@ import (
|
||||
"github.com/pikami/cosmium/parsers"
|
||||
)
|
||||
|
||||
func (c memoryExecutorContext) strings_StringEquals(arguments []interface{}, row RowType) bool {
|
||||
str1 := c.parseString(arguments[0], row)
|
||||
str2 := c.parseString(arguments[1], row)
|
||||
ignoreCase := c.getBoolFlag(arguments, row)
|
||||
func (r rowContext) strings_StringEquals(arguments []interface{}) bool {
|
||||
str1 := r.parseString(arguments[0])
|
||||
str2 := r.parseString(arguments[1])
|
||||
ignoreCase := r.getBoolFlag(arguments)
|
||||
|
||||
if ignoreCase {
|
||||
return strings.EqualFold(str1, str2)
|
||||
@ -20,10 +20,10 @@ func (c memoryExecutorContext) strings_StringEquals(arguments []interface{}, row
|
||||
return str1 == str2
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) strings_Contains(arguments []interface{}, row RowType) bool {
|
||||
str1 := c.parseString(arguments[0], row)
|
||||
str2 := c.parseString(arguments[1], row)
|
||||
ignoreCase := c.getBoolFlag(arguments, row)
|
||||
func (r rowContext) strings_Contains(arguments []interface{}) bool {
|
||||
str1 := r.parseString(arguments[0])
|
||||
str2 := r.parseString(arguments[1])
|
||||
ignoreCase := r.getBoolFlag(arguments)
|
||||
|
||||
if ignoreCase {
|
||||
str1 = strings.ToLower(str1)
|
||||
@ -33,10 +33,10 @@ func (c memoryExecutorContext) strings_Contains(arguments []interface{}, row Row
|
||||
return strings.Contains(str1, str2)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) strings_EndsWith(arguments []interface{}, row RowType) bool {
|
||||
str1 := c.parseString(arguments[0], row)
|
||||
str2 := c.parseString(arguments[1], row)
|
||||
ignoreCase := c.getBoolFlag(arguments, row)
|
||||
func (r rowContext) strings_EndsWith(arguments []interface{}) bool {
|
||||
str1 := r.parseString(arguments[0])
|
||||
str2 := r.parseString(arguments[1])
|
||||
ignoreCase := r.getBoolFlag(arguments)
|
||||
|
||||
if ignoreCase {
|
||||
str1 = strings.ToLower(str1)
|
||||
@ -46,10 +46,10 @@ func (c memoryExecutorContext) strings_EndsWith(arguments []interface{}, row Row
|
||||
return strings.HasSuffix(str1, str2)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) strings_StartsWith(arguments []interface{}, row RowType) bool {
|
||||
str1 := c.parseString(arguments[0], row)
|
||||
str2 := c.parseString(arguments[1], row)
|
||||
ignoreCase := c.getBoolFlag(arguments, row)
|
||||
func (r rowContext) strings_StartsWith(arguments []interface{}) bool {
|
||||
str1 := r.parseString(arguments[0])
|
||||
str2 := r.parseString(arguments[1])
|
||||
ignoreCase := r.getBoolFlag(arguments)
|
||||
|
||||
if ignoreCase {
|
||||
str1 = strings.ToLower(str1)
|
||||
@ -59,12 +59,12 @@ func (c memoryExecutorContext) strings_StartsWith(arguments []interface{}, row R
|
||||
return strings.HasPrefix(str1, str2)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) strings_Concat(arguments []interface{}, row RowType) string {
|
||||
func (r rowContext) strings_Concat(arguments []interface{}) string {
|
||||
result := ""
|
||||
|
||||
for _, arg := range arguments {
|
||||
if selectItem, ok := arg.(parsers.SelectItem); ok {
|
||||
value := c.getFieldValue(selectItem, row)
|
||||
value := r.resolveSelectItem(selectItem)
|
||||
result += convertToString(value)
|
||||
}
|
||||
}
|
||||
@ -72,13 +72,13 @@ func (c memoryExecutorContext) strings_Concat(arguments []interface{}, row RowTy
|
||||
return result
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) strings_IndexOf(arguments []interface{}, row RowType) int {
|
||||
str1 := c.parseString(arguments[0], row)
|
||||
str2 := c.parseString(arguments[1], row)
|
||||
func (r rowContext) strings_IndexOf(arguments []interface{}) int {
|
||||
str1 := r.parseString(arguments[0])
|
||||
str2 := r.parseString(arguments[1])
|
||||
|
||||
start := 0
|
||||
if len(arguments) > 2 && arguments[2] != nil {
|
||||
if startPos, ok := c.getFieldValue(arguments[2].(parsers.SelectItem), row).(int); ok {
|
||||
if startPos, ok := r.resolveSelectItem(arguments[2].(parsers.SelectItem)).(int); ok {
|
||||
start = startPos
|
||||
}
|
||||
}
|
||||
@ -97,26 +97,26 @@ func (c memoryExecutorContext) strings_IndexOf(arguments []interface{}, row RowT
|
||||
}
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) strings_ToString(arguments []interface{}, row RowType) string {
|
||||
value := c.getFieldValue(arguments[0].(parsers.SelectItem), row)
|
||||
func (r rowContext) strings_ToString(arguments []interface{}) string {
|
||||
value := r.resolveSelectItem(arguments[0].(parsers.SelectItem))
|
||||
return convertToString(value)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) strings_Upper(arguments []interface{}, row RowType) string {
|
||||
value := c.getFieldValue(arguments[0].(parsers.SelectItem), row)
|
||||
func (r rowContext) strings_Upper(arguments []interface{}) string {
|
||||
value := r.resolveSelectItem(arguments[0].(parsers.SelectItem))
|
||||
return strings.ToUpper(convertToString(value))
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) strings_Lower(arguments []interface{}, row RowType) string {
|
||||
value := c.getFieldValue(arguments[0].(parsers.SelectItem), row)
|
||||
func (r rowContext) strings_Lower(arguments []interface{}) string {
|
||||
value := r.resolveSelectItem(arguments[0].(parsers.SelectItem))
|
||||
return strings.ToLower(convertToString(value))
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) strings_Left(arguments []interface{}, row RowType) string {
|
||||
func (r rowContext) strings_Left(arguments []interface{}) string {
|
||||
var ok bool
|
||||
var length int
|
||||
str := c.parseString(arguments[0], row)
|
||||
lengthEx := c.getFieldValue(arguments[1].(parsers.SelectItem), row)
|
||||
str := r.parseString(arguments[0])
|
||||
lengthEx := r.resolveSelectItem(arguments[1].(parsers.SelectItem))
|
||||
|
||||
if length, ok = lengthEx.(int); !ok {
|
||||
logger.Error("strings_Left - got parameters of wrong type")
|
||||
@ -134,28 +134,28 @@ func (c memoryExecutorContext) strings_Left(arguments []interface{}, row RowType
|
||||
return str[:length]
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) strings_Length(arguments []interface{}, row RowType) int {
|
||||
str := c.parseString(arguments[0], row)
|
||||
func (r rowContext) strings_Length(arguments []interface{}) int {
|
||||
str := r.parseString(arguments[0])
|
||||
return len(str)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) strings_LTrim(arguments []interface{}, row RowType) string {
|
||||
str := c.parseString(arguments[0], row)
|
||||
func (r rowContext) strings_LTrim(arguments []interface{}) string {
|
||||
str := r.parseString(arguments[0])
|
||||
return strings.TrimLeft(str, " ")
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) strings_Replace(arguments []interface{}, row RowType) string {
|
||||
str := c.parseString(arguments[0], row)
|
||||
oldStr := c.parseString(arguments[1], row)
|
||||
newStr := c.parseString(arguments[2], row)
|
||||
func (r rowContext) strings_Replace(arguments []interface{}) string {
|
||||
str := r.parseString(arguments[0])
|
||||
oldStr := r.parseString(arguments[1])
|
||||
newStr := r.parseString(arguments[2])
|
||||
return strings.Replace(str, oldStr, newStr, -1)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) strings_Replicate(arguments []interface{}, row RowType) string {
|
||||
func (r rowContext) strings_Replicate(arguments []interface{}) string {
|
||||
var ok bool
|
||||
var times int
|
||||
str := c.parseString(arguments[0], row)
|
||||
timesEx := c.getFieldValue(arguments[1].(parsers.SelectItem), row)
|
||||
str := r.parseString(arguments[0])
|
||||
timesEx := r.resolveSelectItem(arguments[1].(parsers.SelectItem))
|
||||
|
||||
if times, ok = timesEx.(int); !ok {
|
||||
logger.Error("strings_Replicate - got parameters of wrong type")
|
||||
@ -173,8 +173,8 @@ func (c memoryExecutorContext) strings_Replicate(arguments []interface{}, row Ro
|
||||
return strings.Repeat(str, times)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) strings_Reverse(arguments []interface{}, row RowType) string {
|
||||
str := c.parseString(arguments[0], row)
|
||||
func (r rowContext) strings_Reverse(arguments []interface{}) string {
|
||||
str := r.parseString(arguments[0])
|
||||
runes := []rune(str)
|
||||
|
||||
for i, j := 0, len(runes)-1; i < j; i, j = i+1, j-1 {
|
||||
@ -184,11 +184,11 @@ func (c memoryExecutorContext) strings_Reverse(arguments []interface{}, row RowT
|
||||
return string(runes)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) strings_Right(arguments []interface{}, row RowType) string {
|
||||
func (r rowContext) strings_Right(arguments []interface{}) string {
|
||||
var ok bool
|
||||
var length int
|
||||
str := c.parseString(arguments[0], row)
|
||||
lengthEx := c.getFieldValue(arguments[1].(parsers.SelectItem), row)
|
||||
str := r.parseString(arguments[0])
|
||||
lengthEx := r.resolveSelectItem(arguments[1].(parsers.SelectItem))
|
||||
|
||||
if length, ok = lengthEx.(int); !ok {
|
||||
logger.Error("strings_Right - got parameters of wrong type")
|
||||
@ -206,18 +206,18 @@ func (c memoryExecutorContext) strings_Right(arguments []interface{}, row RowTyp
|
||||
return str[len(str)-length:]
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) strings_RTrim(arguments []interface{}, row RowType) string {
|
||||
str := c.parseString(arguments[0], row)
|
||||
func (r rowContext) strings_RTrim(arguments []interface{}) string {
|
||||
str := r.parseString(arguments[0])
|
||||
return strings.TrimRight(str, " ")
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) strings_Substring(arguments []interface{}, row RowType) string {
|
||||
func (r rowContext) strings_Substring(arguments []interface{}) string {
|
||||
var ok bool
|
||||
var startPos int
|
||||
var length int
|
||||
str := c.parseString(arguments[0], row)
|
||||
startPosEx := c.getFieldValue(arguments[1].(parsers.SelectItem), row)
|
||||
lengthEx := c.getFieldValue(arguments[2].(parsers.SelectItem), row)
|
||||
str := r.parseString(arguments[0])
|
||||
startPosEx := r.resolveSelectItem(arguments[1].(parsers.SelectItem))
|
||||
lengthEx := r.resolveSelectItem(arguments[2].(parsers.SelectItem))
|
||||
|
||||
if startPos, ok = startPosEx.(int); !ok {
|
||||
logger.Error("strings_Substring - got start parameters of wrong type")
|
||||
@ -240,16 +240,16 @@ func (c memoryExecutorContext) strings_Substring(arguments []interface{}, row Ro
|
||||
return str[startPos:endPos]
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) strings_Trim(arguments []interface{}, row RowType) string {
|
||||
str := c.parseString(arguments[0], row)
|
||||
func (r rowContext) strings_Trim(arguments []interface{}) string {
|
||||
str := r.parseString(arguments[0])
|
||||
return strings.TrimSpace(str)
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) getBoolFlag(arguments []interface{}, row RowType) bool {
|
||||
func (r rowContext) getBoolFlag(arguments []interface{}) bool {
|
||||
ignoreCase := false
|
||||
if len(arguments) > 2 && arguments[2] != nil {
|
||||
ignoreCaseItem := arguments[2].(parsers.SelectItem)
|
||||
if value, ok := c.getFieldValue(ignoreCaseItem, row).(bool); ok {
|
||||
if value, ok := r.resolveSelectItem(ignoreCaseItem).(bool); ok {
|
||||
ignoreCase = value
|
||||
}
|
||||
}
|
||||
@ -257,9 +257,9 @@ func (c memoryExecutorContext) getBoolFlag(arguments []interface{}, row RowType)
|
||||
return ignoreCase
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) parseString(argument interface{}, row RowType) string {
|
||||
func (r rowContext) parseString(argument interface{}) string {
|
||||
exItem := argument.(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
if str1, ok := ex.(string); ok {
|
||||
return str1
|
||||
}
|
||||
|
||||
155
query_executors/memory_executor/subquery_test.go
Normal file
155
query_executors/memory_executor/subquery_test.go
Normal file
@ -0,0 +1,155 @@
|
||||
package memoryexecutor_test
|
||||
|
||||
import (
|
||||
"testing"
|
||||
|
||||
"github.com/pikami/cosmium/parsers"
|
||||
memoryexecutor "github.com/pikami/cosmium/query_executors/memory_executor"
|
||||
)
|
||||
|
||||
func Test_Execute_SubQuery(t *testing.T) {
|
||||
mockData := []memoryexecutor.RowType{
|
||||
map[string]interface{}{"id": "123", "info": map[string]interface{}{"name": "row-1"}},
|
||||
map[string]interface{}{
|
||||
"id": "456",
|
||||
"info": map[string]interface{}{"name": "row-2"},
|
||||
"tags": []map[string]interface{}{
|
||||
{"name": "tag-a"},
|
||||
{"name": "tag-b"},
|
||||
},
|
||||
},
|
||||
map[string]interface{}{
|
||||
"id": "789",
|
||||
"info": map[string]interface{}{"name": "row-3"},
|
||||
"tags": []map[string]interface{}{
|
||||
{"name": "tag-b"},
|
||||
{"name": "tag-c"},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
t.Run("Should execute FROM subquery", func(t *testing.T) {
|
||||
testQueryExecute(
|
||||
t,
|
||||
parsers.SelectStmt{
|
||||
SelectItems: []parsers.SelectItem{
|
||||
{Path: []string{"c", "name"}},
|
||||
},
|
||||
Table: parsers.Table{
|
||||
Value: "c",
|
||||
SelectItem: parsers.SelectItem{
|
||||
Alias: "c",
|
||||
Type: parsers.SelectItemTypeSubQuery,
|
||||
Value: parsers.SelectStmt{
|
||||
Table: parsers.Table{Value: "cc"},
|
||||
SelectItems: []parsers.SelectItem{
|
||||
{Path: []string{"cc", "info"}, IsTopLevel: true},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
mockData,
|
||||
[]memoryexecutor.RowType{
|
||||
map[string]interface{}{"name": "row-1"},
|
||||
map[string]interface{}{"name": "row-2"},
|
||||
map[string]interface{}{"name": "row-3"},
|
||||
},
|
||||
)
|
||||
})
|
||||
|
||||
t.Run("Should execute JOIN subquery", func(t *testing.T) {
|
||||
testQueryExecute(
|
||||
t,
|
||||
parsers.SelectStmt{
|
||||
SelectItems: []parsers.SelectItem{
|
||||
{Path: []string{"c", "id"}},
|
||||
{Path: []string{"cc", "name"}},
|
||||
},
|
||||
Table: parsers.Table{
|
||||
Value: "c",
|
||||
},
|
||||
JoinItems: []parsers.JoinItem{
|
||||
{
|
||||
Table: parsers.Table{
|
||||
Value: "cc",
|
||||
},
|
||||
SelectItem: parsers.SelectItem{
|
||||
Alias: "cc",
|
||||
Type: parsers.SelectItemTypeSubQuery,
|
||||
Value: parsers.SelectStmt{
|
||||
SelectItems: []parsers.SelectItem{
|
||||
{Path: []string{"tag", "name"}},
|
||||
},
|
||||
Table: parsers.Table{
|
||||
Value: "tag",
|
||||
SelectItem: parsers.SelectItem{
|
||||
Path: []string{"c", "tags"},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
mockData,
|
||||
[]memoryexecutor.RowType{
|
||||
map[string]interface{}{"id": "456", "name": "tag-a"},
|
||||
map[string]interface{}{"id": "456", "name": "tag-b"},
|
||||
map[string]interface{}{"id": "789", "name": "tag-b"},
|
||||
map[string]interface{}{"id": "789", "name": "tag-c"},
|
||||
},
|
||||
)
|
||||
})
|
||||
|
||||
t.Run("Should execute JOIN EXISTS subquery", func(t *testing.T) {
|
||||
testQueryExecute(
|
||||
t,
|
||||
parsers.SelectStmt{
|
||||
SelectItems: []parsers.SelectItem{
|
||||
{Path: []string{"c", "id"}},
|
||||
},
|
||||
Table: parsers.Table{
|
||||
Value: "c",
|
||||
},
|
||||
JoinItems: []parsers.JoinItem{
|
||||
{
|
||||
Table: parsers.Table{Value: "hasTags"},
|
||||
SelectItem: parsers.SelectItem{
|
||||
Alias: "hasTags",
|
||||
Type: parsers.SelectItemTypeSubQuery,
|
||||
Value: parsers.SelectStmt{
|
||||
SelectItems: []parsers.SelectItem{
|
||||
{
|
||||
IsTopLevel: true,
|
||||
Type: parsers.SelectItemTypeSubQuery,
|
||||
Value: parsers.SelectStmt{
|
||||
SelectItems: []parsers.SelectItem{
|
||||
{Path: []string{"tag", "name"}},
|
||||
},
|
||||
Table: parsers.Table{
|
||||
Value: "tag",
|
||||
SelectItem: parsers.SelectItem{
|
||||
Path: []string{"c", "tags"},
|
||||
},
|
||||
},
|
||||
Exists: true,
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
Filters: parsers.SelectItem{
|
||||
Path: []string{"hasTags"},
|
||||
},
|
||||
},
|
||||
mockData,
|
||||
[]memoryexecutor.RowType{
|
||||
map[string]interface{}{"id": "456"},
|
||||
map[string]interface{}{"id": "789"},
|
||||
},
|
||||
)
|
||||
})
|
||||
}
|
||||
@ -6,32 +6,32 @@ import (
|
||||
"github.com/pikami/cosmium/parsers"
|
||||
)
|
||||
|
||||
func (c memoryExecutorContext) typeChecking_IsDefined(arguments []interface{}, row RowType) bool {
|
||||
func (r rowContext) typeChecking_IsDefined(arguments []interface{}) bool {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
return ex != nil
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) typeChecking_IsArray(arguments []interface{}, row RowType) bool {
|
||||
func (r rowContext) typeChecking_IsArray(arguments []interface{}) bool {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
_, isArray := ex.([]interface{})
|
||||
return isArray
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) typeChecking_IsBool(arguments []interface{}, row RowType) bool {
|
||||
func (r rowContext) typeChecking_IsBool(arguments []interface{}) bool {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
_, isBool := ex.(bool)
|
||||
return isBool
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) typeChecking_IsFiniteNumber(arguments []interface{}, row RowType) bool {
|
||||
func (r rowContext) typeChecking_IsFiniteNumber(arguments []interface{}) bool {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
switch num := ex.(type) {
|
||||
case int:
|
||||
@ -43,41 +43,41 @@ func (c memoryExecutorContext) typeChecking_IsFiniteNumber(arguments []interface
|
||||
}
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) typeChecking_IsInteger(arguments []interface{}, row RowType) bool {
|
||||
func (r rowContext) typeChecking_IsInteger(arguments []interface{}) bool {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
_, isInt := ex.(int)
|
||||
return isInt
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) typeChecking_IsNull(arguments []interface{}, row RowType) bool {
|
||||
func (r rowContext) typeChecking_IsNull(arguments []interface{}) bool {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
return ex == nil
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) typeChecking_IsNumber(arguments []interface{}, row RowType) bool {
|
||||
func (r rowContext) typeChecking_IsNumber(arguments []interface{}) bool {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
_, isFloat := ex.(float64)
|
||||
_, isInt := ex.(int)
|
||||
return isFloat || isInt
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) typeChecking_IsObject(arguments []interface{}, row RowType) bool {
|
||||
func (r rowContext) typeChecking_IsObject(arguments []interface{}) bool {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
_, isObject := ex.(map[string]interface{})
|
||||
return isObject
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) typeChecking_IsPrimitive(arguments []interface{}, row RowType) bool {
|
||||
func (r rowContext) typeChecking_IsPrimitive(arguments []interface{}) bool {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
switch ex.(type) {
|
||||
case bool, string, float64, int, nil:
|
||||
@ -87,9 +87,9 @@ func (c memoryExecutorContext) typeChecking_IsPrimitive(arguments []interface{},
|
||||
}
|
||||
}
|
||||
|
||||
func (c memoryExecutorContext) typeChecking_IsString(arguments []interface{}, row RowType) bool {
|
||||
func (r rowContext) typeChecking_IsString(arguments []interface{}) bool {
|
||||
exItem := arguments[0].(parsers.SelectItem)
|
||||
ex := c.getFieldValue(exItem, row)
|
||||
ex := r.resolveSelectItem(exItem)
|
||||
|
||||
_, isStr := ex.(string)
|
||||
return isStr
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user