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Implement CONTAINS function

This commit is contained in:
Pijus Kamandulis 2024-02-21 20:25:14 +02:00
parent 8ab9680c99
commit 9bf3dc22ed
7 changed files with 365 additions and 107 deletions
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1
parsers/models.go
View File

@ -83,6 +83,7 @@ const (
FunctionCallStringEquals FunctionCallType = "StringEquals"
FunctionCallIsDefined FunctionCallType = "IsDefined"
FunctionCallConcat FunctionCallType = "Concat"
FunctionCallContains FunctionCallType = "Contains"
)
type FunctionCall struct {

339
parsers/nosql/nosql.go
View File

@ -1595,6 +1595,10 @@ var g = &grammar{
},
&ruleRefExpr{
pos: position{line: 309, col: 61, offset: 8975},
name: "ContainsExpression",
},
&ruleRefExpr{
pos: position{line: 309, col: 82, offset: 8996},
name: "IsDefined",
},
},
@ -1602,91 +1606,91 @@ var g = &grammar{
},
{
name: "StringEqualsExpression",
pos: position{line: 311, col: 1, offset: 8986},
pos: position{line: 311, col: 1, offset: 9007},
expr: &actionExpr{
pos: position{line: 311, col: 27, offset: 9012},
pos: position{line: 311, col: 27, offset: 9033},
run: (*parser).callonStringEqualsExpression1,
expr: &seqExpr{
pos: position{line: 311, col: 27, offset: 9012},
pos: position{line: 311, col: 27, offset: 9033},
exprs: []any{
&ruleRefExpr{
pos: position{line: 311, col: 27, offset: 9012},
pos: position{line: 311, col: 27, offset: 9033},
name: "StringEquals",
},
&ruleRefExpr{
pos: position{line: 311, col: 40, offset: 9025},
pos: position{line: 311, col: 40, offset: 9046},
name: "ws",
},
&litMatcher{
pos: position{line: 311, col: 43, offset: 9028},
pos: position{line: 311, col: 43, offset: 9049},
val: "(",
ignoreCase: false,
want: "\"(\"",
},
&ruleRefExpr{
pos: position{line: 311, col: 47, offset: 9032},
pos: position{line: 311, col: 47, offset: 9053},
name: "ws",
},
&labeledExpr{
pos: position{line: 311, col: 50, offset: 9035},
pos: position{line: 311, col: 50, offset: 9056},
label: "ex1",
expr: &ruleRefExpr{
pos: position{line: 311, col: 54, offset: 9039},
pos: position{line: 311, col: 54, offset: 9060},
name: "SelectItem",
},
},
&ruleRefExpr{
pos: position{line: 311, col: 65, offset: 9050},
pos: position{line: 311, col: 65, offset: 9071},
name: "ws",
},
&litMatcher{
pos: position{line: 311, col: 68, offset: 9053},
pos: position{line: 311, col: 68, offset: 9074},
val: ",",
ignoreCase: false,
want: "\",\"",
},
&ruleRefExpr{
pos: position{line: 311, col: 72, offset: 9057},
pos: position{line: 311, col: 72, offset: 9078},
name: "ws",
},
&labeledExpr{
pos: position{line: 311, col: 75, offset: 9060},
pos: position{line: 311, col: 75, offset: 9081},
label: "ex2",
expr: &ruleRefExpr{
pos: position{line: 311, col: 79, offset: 9064},
pos: position{line: 311, col: 79, offset: 9085},
name: "SelectItem",
},
},
&ruleRefExpr{
pos: position{line: 311, col: 90, offset: 9075},
pos: position{line: 311, col: 90, offset: 9096},
name: "ws",
},
&labeledExpr{
pos: position{line: 311, col: 93, offset: 9078},
pos: position{line: 311, col: 93, offset: 9099},
label: "ignoreCase",
expr: &zeroOrOneExpr{
pos: position{line: 311, col: 104, offset: 9089},
pos: position{line: 311, col: 104, offset: 9110},
expr: &actionExpr{
pos: position{line: 311, col: 105, offset: 9090},
pos: position{line: 311, col: 105, offset: 9111},
run: (*parser).callonStringEqualsExpression17,
expr: &seqExpr{
pos: position{line: 311, col: 105, offset: 9090},
pos: position{line: 311, col: 105, offset: 9111},
exprs: []any{
&litMatcher{
pos: position{line: 311, col: 105, offset: 9090},
pos: position{line: 311, col: 105, offset: 9111},
val: ",",
ignoreCase: false,
want: "\",\"",
},
&ruleRefExpr{
pos: position{line: 311, col: 109, offset: 9094},
pos: position{line: 311, col: 109, offset: 9115},
name: "ws",
},
&labeledExpr{
pos: position{line: 311, col: 112, offset: 9097},
pos: position{line: 311, col: 112, offset: 9118},
label: "boolean",
expr: &ruleRefExpr{
pos: position{line: 311, col: 120, offset: 9105},
pos: position{line: 311, col: 120, offset: 9126},
name: "SelectItem",
},
},
@ -1696,7 +1700,7 @@ var g = &grammar{
},
},
&litMatcher{
pos: position{line: 311, col: 157, offset: 9142},
pos: position{line: 311, col: 157, offset: 9163},
val: ")",
ignoreCase: false,
want: "\")\"",
@ -1707,71 +1711,71 @@ var g = &grammar{
},
{
name: "ConcatExpression",
pos: position{line: 315, col: 1, offset: 9276},
pos: position{line: 315, col: 1, offset: 9297},
expr: &actionExpr{
pos: position{line: 315, col: 21, offset: 9296},
pos: position{line: 315, col: 21, offset: 9317},
run: (*parser).callonConcatExpression1,
expr: &seqExpr{
pos: position{line: 315, col: 21, offset: 9296},
pos: position{line: 315, col: 21, offset: 9317},
exprs: []any{
&litMatcher{
pos: position{line: 315, col: 21, offset: 9296},
pos: position{line: 315, col: 21, offset: 9317},
val: "concat",
ignoreCase: true,
want: "\"CONCAT\"i",
},
&ruleRefExpr{
pos: position{line: 315, col: 31, offset: 9306},
pos: position{line: 315, col: 31, offset: 9327},
name: "ws",
},
&litMatcher{
pos: position{line: 315, col: 34, offset: 9309},
pos: position{line: 315, col: 34, offset: 9330},
val: "(",
ignoreCase: false,
want: "\"(\"",
},
&ruleRefExpr{
pos: position{line: 315, col: 38, offset: 9313},
pos: position{line: 315, col: 38, offset: 9334},
name: "ws",
},
&labeledExpr{
pos: position{line: 315, col: 41, offset: 9316},
pos: position{line: 315, col: 41, offset: 9337},
label: "ex1",
expr: &ruleRefExpr{
pos: position{line: 315, col: 45, offset: 9320},
pos: position{line: 315, col: 45, offset: 9341},
name: "SelectItem",
},
},
&labeledExpr{
pos: position{line: 315, col: 56, offset: 9331},
pos: position{line: 315, col: 56, offset: 9352},
label: "others",
expr: &oneOrMoreExpr{
pos: position{line: 315, col: 63, offset: 9338},
pos: position{line: 315, col: 63, offset: 9359},
expr: &actionExpr{
pos: position{line: 315, col: 64, offset: 9339},
pos: position{line: 315, col: 64, offset: 9360},
run: (*parser).callonConcatExpression11,
expr: &seqExpr{
pos: position{line: 315, col: 64, offset: 9339},
pos: position{line: 315, col: 64, offset: 9360},
exprs: []any{
&ruleRefExpr{
pos: position{line: 315, col: 64, offset: 9339},
pos: position{line: 315, col: 64, offset: 9360},
name: "ws",
},
&litMatcher{
pos: position{line: 315, col: 67, offset: 9342},
pos: position{line: 315, col: 67, offset: 9363},
val: ",",
ignoreCase: false,
want: "\",\"",
},
&ruleRefExpr{
pos: position{line: 315, col: 71, offset: 9346},
pos: position{line: 315, col: 71, offset: 9367},
name: "ws",
},
&labeledExpr{
pos: position{line: 315, col: 74, offset: 9349},
pos: position{line: 315, col: 74, offset: 9370},
label: "ex",
expr: &ruleRefExpr{
pos: position{line: 315, col: 77, offset: 9352},
pos: position{line: 315, col: 77, offset: 9373},
name: "SelectItem",
},
},
@ -1781,11 +1785,118 @@ var g = &grammar{
},
},
&ruleRefExpr{
pos: position{line: 315, col: 109, offset: 9384},
pos: position{line: 315, col: 109, offset: 9405},
name: "ws",
},
&litMatcher{
pos: position{line: 315, col: 112, offset: 9387},
pos: position{line: 315, col: 112, offset: 9408},
val: ")",
ignoreCase: false,
want: "\")\"",
},
},
},
},
},
{
name: "ContainsExpression",
pos: position{line: 320, col: 1, offset: 9581},
expr: &actionExpr{
pos: position{line: 320, col: 23, offset: 9603},
run: (*parser).callonContainsExpression1,
expr: &seqExpr{
pos: position{line: 320, col: 23, offset: 9603},
exprs: []any{
&litMatcher{
pos: position{line: 320, col: 23, offset: 9603},
val: "contains",
ignoreCase: true,
want: "\"CONTAINS\"i",
},
&ruleRefExpr{
pos: position{line: 320, col: 35, offset: 9615},
name: "ws",
},
&litMatcher{
pos: position{line: 320, col: 38, offset: 9618},
val: "(",
ignoreCase: false,
want: "\"(\"",
},
&ruleRefExpr{
pos: position{line: 320, col: 42, offset: 9622},
name: "ws",
},
&labeledExpr{
pos: position{line: 320, col: 45, offset: 9625},
label: "ex1",
expr: &ruleRefExpr{
pos: position{line: 320, col: 49, offset: 9629},
name: "SelectItem",
},
},
&ruleRefExpr{
pos: position{line: 320, col: 60, offset: 9640},
name: "ws",
},
&litMatcher{
pos: position{line: 320, col: 63, offset: 9643},
val: ",",
ignoreCase: false,
want: "\",\"",
},
&ruleRefExpr{
pos: position{line: 320, col: 67, offset: 9647},
name: "ws",
},
&labeledExpr{
pos: position{line: 320, col: 70, offset: 9650},
label: "ex2",
expr: &ruleRefExpr{
pos: position{line: 320, col: 74, offset: 9654},
name: "SelectItem",
},
},
&ruleRefExpr{
pos: position{line: 320, col: 85, offset: 9665},
name: "ws",
},
&labeledExpr{
pos: position{line: 320, col: 88, offset: 9668},
label: "ignoreCase",
expr: &zeroOrOneExpr{
pos: position{line: 320, col: 99, offset: 9679},
expr: &actionExpr{
pos: position{line: 320, col: 100, offset: 9680},
run: (*parser).callonContainsExpression17,
expr: &seqExpr{
pos: position{line: 320, col: 100, offset: 9680},
exprs: []any{
&litMatcher{
pos: position{line: 320, col: 100, offset: 9680},
val: ",",
ignoreCase: false,
want: "\",\"",
},
&ruleRefExpr{
pos: position{line: 320, col: 104, offset: 9684},
name: "ws",
},
&labeledExpr{
pos: position{line: 320, col: 107, offset: 9687},
label: "boolean",
expr: &ruleRefExpr{
pos: position{line: 320, col: 115, offset: 9695},
name: "SelectItem",
},
},
},
},
},
},
},
&litMatcher{
pos: position{line: 320, col: 152, offset: 9732},
val: ")",
ignoreCase: false,
want: "\")\"",
@ -1796,47 +1907,47 @@ var g = &grammar{
},
{
name: "IsDefined",
pos: position{line: 320, col: 1, offset: 9560},
pos: position{line: 324, col: 1, offset: 9862},
expr: &actionExpr{
pos: position{line: 320, col: 14, offset: 9573},
pos: position{line: 324, col: 14, offset: 9875},
run: (*parser).callonIsDefined1,
expr: &seqExpr{
pos: position{line: 320, col: 14, offset: 9573},
pos: position{line: 324, col: 14, offset: 9875},
exprs: []any{
&litMatcher{
pos: position{line: 320, col: 14, offset: 9573},
pos: position{line: 324, col: 14, offset: 9875},
val: "is_defined",
ignoreCase: true,
want: "\"IS_DEFINED\"i",
},
&ruleRefExpr{
pos: position{line: 320, col: 28, offset: 9587},
pos: position{line: 324, col: 28, offset: 9889},
name: "ws",
},
&litMatcher{
pos: position{line: 320, col: 31, offset: 9590},
pos: position{line: 324, col: 31, offset: 9892},
val: "(",
ignoreCase: false,
want: "\"(\"",
},
&ruleRefExpr{
pos: position{line: 320, col: 35, offset: 9594},
pos: position{line: 324, col: 35, offset: 9896},
name: "ws",
},
&labeledExpr{
pos: position{line: 320, col: 38, offset: 9597},
pos: position{line: 324, col: 38, offset: 9899},
label: "ex",
expr: &ruleRefExpr{
pos: position{line: 320, col: 41, offset: 9600},
pos: position{line: 324, col: 41, offset: 9902},
name: "SelectItem",
},
},
&ruleRefExpr{
pos: position{line: 320, col: 52, offset: 9611},
pos: position{line: 324, col: 52, offset: 9913},
name: "ws",
},
&litMatcher{
pos: position{line: 320, col: 55, offset: 9614},
pos: position{line: 324, col: 55, offset: 9916},
val: ")",
ignoreCase: false,
want: "\")\"",
@ -1847,14 +1958,14 @@ var g = &grammar{
},
{
name: "Integer",
pos: position{line: 324, col: 1, offset: 9727},
pos: position{line: 328, col: 1, offset: 10029},
expr: &actionExpr{
pos: position{line: 324, col: 12, offset: 9738},
pos: position{line: 328, col: 12, offset: 10040},
run: (*parser).callonInteger1,
expr: &oneOrMoreExpr{
pos: position{line: 324, col: 12, offset: 9738},
pos: position{line: 328, col: 12, offset: 10040},
expr: &charClassMatcher{
pos: position{line: 324, col: 12, offset: 9738},
pos: position{line: 328, col: 12, offset: 10040},
val: "[0-9]",
ranges: []rune{'0', '9'},
ignoreCase: false,
@ -1865,29 +1976,29 @@ var g = &grammar{
},
{
name: "StringCharacter",
pos: position{line: 328, col: 1, offset: 9790},
pos: position{line: 332, col: 1, offset: 10092},
expr: &choiceExpr{
pos: position{line: 328, col: 20, offset: 9809},
pos: position{line: 332, col: 20, offset: 10111},
alternatives: []any{
&actionExpr{
pos: position{line: 328, col: 20, offset: 9809},
pos: position{line: 332, col: 20, offset: 10111},
run: (*parser).callonStringCharacter2,
expr: &seqExpr{
pos: position{line: 328, col: 20, offset: 9809},
pos: position{line: 332, col: 20, offset: 10111},
exprs: []any{
&notExpr{
pos: position{line: 328, col: 20, offset: 9809},
pos: position{line: 332, col: 20, offset: 10111},
expr: &choiceExpr{
pos: position{line: 328, col: 22, offset: 9811},
pos: position{line: 332, col: 22, offset: 10113},
alternatives: []any{
&litMatcher{
pos: position{line: 328, col: 22, offset: 9811},
pos: position{line: 332, col: 22, offset: 10113},
val: "\"",
ignoreCase: false,
want: "\"\\\"\"",
},
&litMatcher{
pos: position{line: 328, col: 28, offset: 9817},
pos: position{line: 332, col: 28, offset: 10119},
val: "\\",
ignoreCase: false,
want: "\"\\\\\"",
@ -1896,28 +2007,28 @@ var g = &grammar{
},
},
&anyMatcher{
line: 328, col: 34, offset: 9823,
line: 332, col: 34, offset: 10125,
},
},
},
},
&actionExpr{
pos: position{line: 329, col: 5, offset: 9860},
pos: position{line: 333, col: 5, offset: 10162},
run: (*parser).callonStringCharacter9,
expr: &seqExpr{
pos: position{line: 329, col: 5, offset: 9860},
pos: position{line: 333, col: 5, offset: 10162},
exprs: []any{
&litMatcher{
pos: position{line: 329, col: 5, offset: 9860},
pos: position{line: 333, col: 5, offset: 10162},
val: "\\",
ignoreCase: false,
want: "\"\\\\\"",
},
&labeledExpr{
pos: position{line: 329, col: 10, offset: 9865},
pos: position{line: 333, col: 10, offset: 10167},
label: "seq",
expr: &ruleRefExpr{
pos: position{line: 329, col: 14, offset: 9869},
pos: position{line: 333, col: 14, offset: 10171},
name: "EscapeSequenceCharacter",
},
},
@ -1929,85 +2040,85 @@ var g = &grammar{
},
{
name: "EscapeSequenceCharacter",
pos: position{line: 331, col: 1, offset: 9914},
pos: position{line: 335, col: 1, offset: 10216},
expr: &labeledExpr{
pos: position{line: 331, col: 28, offset: 9941},
pos: position{line: 335, col: 28, offset: 10243},
label: "char",
expr: &ruleRefExpr{
pos: position{line: 331, col: 33, offset: 9946},
pos: position{line: 335, col: 33, offset: 10248},
name: "EscapeCharacter",
},
},
},
{
name: "EscapeCharacter",
pos: position{line: 333, col: 1, offset: 9963},
pos: position{line: 337, col: 1, offset: 10265},
expr: &choiceExpr{
pos: position{line: 333, col: 20, offset: 9982},
pos: position{line: 337, col: 20, offset: 10284},
alternatives: []any{
&litMatcher{
pos: position{line: 333, col: 20, offset: 9982},
pos: position{line: 337, col: 20, offset: 10284},
val: "'",
ignoreCase: false,
want: "\"'\"",
},
&litMatcher{
pos: position{line: 334, col: 5, offset: 9990},
pos: position{line: 338, col: 5, offset: 10292},
val: "\"",
ignoreCase: false,
want: "\"\\\"\"",
},
&litMatcher{
pos: position{line: 335, col: 5, offset: 9998},
pos: position{line: 339, col: 5, offset: 10300},
val: "\\",
ignoreCase: false,
want: "\"\\\\\"",
},
&actionExpr{
pos: position{line: 336, col: 5, offset: 10007},
pos: position{line: 340, col: 5, offset: 10309},
run: (*parser).callonEscapeCharacter5,
expr: &litMatcher{
pos: position{line: 336, col: 5, offset: 10007},
pos: position{line: 340, col: 5, offset: 10309},
val: "b",
ignoreCase: false,
want: "\"b\"",
},
},
&actionExpr{
pos: position{line: 337, col: 5, offset: 10036},
pos: position{line: 341, col: 5, offset: 10338},
run: (*parser).callonEscapeCharacter7,
expr: &litMatcher{
pos: position{line: 337, col: 5, offset: 10036},
pos: position{line: 341, col: 5, offset: 10338},
val: "f",
ignoreCase: false,
want: "\"f\"",
},
},
&actionExpr{
pos: position{line: 338, col: 5, offset: 10065},
pos: position{line: 342, col: 5, offset: 10367},
run: (*parser).callonEscapeCharacter9,
expr: &litMatcher{
pos: position{line: 338, col: 5, offset: 10065},
pos: position{line: 342, col: 5, offset: 10367},
val: "n",
ignoreCase: false,
want: "\"n\"",
},
},
&actionExpr{
pos: position{line: 339, col: 5, offset: 10094},
pos: position{line: 343, col: 5, offset: 10396},
run: (*parser).callonEscapeCharacter11,
expr: &litMatcher{
pos: position{line: 339, col: 5, offset: 10094},
pos: position{line: 343, col: 5, offset: 10396},
val: "r",
ignoreCase: false,
want: "\"r\"",
},
},
&actionExpr{
pos: position{line: 340, col: 5, offset: 10123},
pos: position{line: 344, col: 5, offset: 10425},
run: (*parser).callonEscapeCharacter13,
expr: &litMatcher{
pos: position{line: 340, col: 5, offset: 10123},
pos: position{line: 344, col: 5, offset: 10425},
val: "t",
ignoreCase: false,
want: "\"t\"",
@ -2018,25 +2129,25 @@ var g = &grammar{
},
{
name: "non_escape_character",
pos: position{line: 342, col: 1, offset: 10149},
pos: position{line: 346, col: 1, offset: 10451},
expr: &actionExpr{
pos: position{line: 342, col: 25, offset: 10173},
pos: position{line: 346, col: 25, offset: 10475},
run: (*parser).callonnon_escape_character1,
expr: &seqExpr{
pos: position{line: 342, col: 25, offset: 10173},
pos: position{line: 346, col: 25, offset: 10475},
exprs: []any{
&notExpr{
pos: position{line: 342, col: 25, offset: 10173},
pos: position{line: 346, col: 25, offset: 10475},
expr: &ruleRefExpr{
pos: position{line: 342, col: 27, offset: 10175},
pos: position{line: 346, col: 27, offset: 10477},
name: "escape_character",
},
},
&labeledExpr{
pos: position{line: 342, col: 45, offset: 10193},
pos: position{line: 346, col: 45, offset: 10495},
label: "char",
expr: &anyMatcher{
line: 342, col: 50, offset: 10198,
line: 346, col: 50, offset: 10500,
},
},
},
@ -2045,11 +2156,11 @@ var g = &grammar{
},
{
name: "ws",
pos: position{line: 345, col: 1, offset: 10237},
pos: position{line: 349, col: 1, offset: 10539},
expr: &zeroOrMoreExpr{
pos: position{line: 345, col: 7, offset: 10243},
pos: position{line: 349, col: 7, offset: 10545},
expr: &charClassMatcher{
pos: position{line: 345, col: 7, offset: 10243},
pos: position{line: 349, col: 7, offset: 10545},
val: "[ \\t\\n\\r]",
chars: []rune{' ', '\t', '\n', '\r'},
ignoreCase: false,
@ -2059,11 +2170,11 @@ var g = &grammar{
},
{
name: "EOF",
pos: position{line: 347, col: 1, offset: 10255},
pos: position{line: 351, col: 1, offset: 10557},
expr: &notExpr{
pos: position{line: 347, col: 8, offset: 10262},
pos: position{line: 351, col: 8, offset: 10564},
expr: &anyMatcher{
line: 347, col: 9, offset: 10263,
line: 351, col: 9, offset: 10565,
},
},
},
@ -2543,6 +2654,26 @@ func (p *parser) callonConcatExpression1() (any, error) {
return p.cur.onConcatExpression1(stack["ex1"], stack["others"])
}
func (c *current) onContainsExpression17(boolean any) (any, error) {
return boolean, nil
}
func (p *parser) callonContainsExpression17() (any, error) {
stack := p.vstack[len(p.vstack)-1]
_ = stack
return p.cur.onContainsExpression17(stack["boolean"])
}
func (c *current) onContainsExpression1(ex1, ex2, ignoreCase any) (any, error) {
return parsers.FunctionCall{Type: parsers.FunctionCallContains, Arguments: []interface{}{ex1, ex2, ignoreCase}}, nil
}
func (p *parser) callonContainsExpression1() (any, error) {
stack := p.vstack[len(p.vstack)-1]
_ = stack
return p.cur.onContainsExpression1(stack["ex1"], stack["ex2"], stack["ignoreCase"])
}
func (c *current) onIsDefined1(ex any) (any, error) {
return parsers.FunctionCall{Type: parsers.FunctionCallIsDefined, Arguments: []interface{}{ex}}, nil
}

6
parsers/nosql/nosql.peg
View File

@ -306,7 +306,7 @@ BooleanLiteral <- ("true"i / "false"i) {
return parsers.Constant{Type: parsers.ConstantTypeBoolean, Value: boolValue}, nil
}
FunctionCall <- StringEqualsExpression / ConcatExpression / IsDefined
FunctionCall <- StringEqualsExpression / ConcatExpression / ContainsExpression / IsDefined
StringEqualsExpression <- StringEquals ws "(" ws ex1:SelectItem ws "," ws ex2:SelectItem ws ignoreCase:("," ws boolean:SelectItem { return boolean, nil })? ")" {
return parsers.FunctionCall{Type: parsers.FunctionCallStringEquals, Arguments: []interface{}{ex1, ex2, ignoreCase}}, nil
@ -317,6 +317,10 @@ ConcatExpression <- "CONCAT"i ws "(" ws ex1:SelectItem others:(ws "," ws ex:Sele
return parsers.FunctionCall{Type: parsers.FunctionCallConcat, Arguments: arguments}, nil
}
ContainsExpression <- "CONTAINS"i ws "(" ws ex1:SelectItem ws "," ws ex2:SelectItem ws ignoreCase:("," ws boolean:SelectItem { return boolean, nil })? ")" {
return parsers.FunctionCall{Type: parsers.FunctionCallContains, Arguments: []interface{}{ex1, ex2, ignoreCase}}, nil
}
IsDefined <- "IS_DEFINED"i ws "(" ws ex:SelectItem ws ")" {
return parsers.FunctionCall{Type: parsers.FunctionCallIsDefined, Arguments: []interface{}{ex}}, nil
}

38
parsers/nosql/nosql_string_functions_test.go
View File

@ -112,4 +112,42 @@ func Test_Execute_StringFunctions(t *testing.T) {
},
)
})
t.Run("Should parse function CONTAINS()", func(t *testing.T) {
testQueryParse(
t,
`SELECT CONTAINS(c.id, "123", true) FROM c`,
parsers.SelectStmt{
SelectItems: []parsers.SelectItem{
{
Type: parsers.SelectItemTypeFunctionCall,
Value: parsers.FunctionCall{
Type: parsers.FunctionCallContains,
Arguments: []interface{}{
parsers.SelectItem{
Path: []string{"c", "id"},
Type: parsers.SelectItemTypeField,
},
parsers.SelectItem{
Type: parsers.SelectItemTypeConstant,
Value: parsers.Constant{
Type: parsers.ConstantTypeString,
Value: "123",
},
},
parsers.SelectItem{
Type: parsers.SelectItemTypeConstant,
Value: parsers.Constant{
Type: parsers.ConstantTypeBoolean,
Value: true,
},
},
},
},
},
},
Table: parsers.Table{Value: "c"},
},
)
})
}

6
query_executors/memory_executor/memory_executor.go
View File

@ -178,10 +178,12 @@ func getFieldValue(field parsers.SelectItem, queryParameters map[string]interfac
switch typedValue.Type {
case parsers.FunctionCallStringEquals:
return strings_StringEquals(typedValue.Arguments, queryParameters, row)
case parsers.FunctionCallIsDefined:
return typeChecking_IsDefined(typedValue.Arguments, queryParameters, row)
case parsers.FunctionCallContains:
return strings_Contains(typedValue.Arguments, queryParameters, row)
case parsers.FunctionCallConcat:
return strings_Concat(typedValue.Arguments, queryParameters, row)
case parsers.FunctionCallIsDefined:
return typeChecking_IsDefined(typedValue.Arguments, queryParameters, row)
}
}

48
query_executors/memory_executor/memory_executor_string_functions_test.go
View File

@ -151,4 +151,52 @@ func Test_Execute_StringFunctions(t *testing.T) {
},
)
})
t.Run("Should execute function CONTAINS()", func(t *testing.T) {
testQueryExecute(
t,
parsers.SelectStmt{
SelectItems: []parsers.SelectItem{
{
Path: []string{"c", "id"},
Type: parsers.SelectItemTypeField,
},
{
Alias: "contains",
Type: parsers.SelectItemTypeFunctionCall,
Value: parsers.FunctionCall{
Type: parsers.FunctionCallContains,
Arguments: []interface{}{
parsers.SelectItem{
Path: []string{"c", "id"},
Type: parsers.SelectItemTypeField,
},
parsers.SelectItem{
Type: parsers.SelectItemTypeConstant,
Value: parsers.Constant{
Type: parsers.ConstantTypeString,
Value: "2",
},
},
parsers.SelectItem{
Type: parsers.SelectItemTypeConstant,
Value: parsers.Constant{
Type: parsers.ConstantTypeBoolean,
Value: true,
},
},
},
},
},
},
Table: parsers.Table{Value: "c"},
},
mockData,
[]memoryexecutor.RowType{
map[string]interface{}{"id": "123", "contains": true},
map[string]interface{}{"id": "456", "contains": false},
map[string]interface{}{"id": "789", "contains": false},
},
)
})
}

34
query_executors/memory_executor/string_functions.go
View File

@ -40,6 +40,40 @@ func strings_StringEquals(arguments []interface{}, queryParameters map[string]in
return str1 == str2
}
func strings_Contains(arguments []interface{}, queryParameters map[string]interface{}, row RowType) bool {
ignoreCase := false
if len(arguments) > 2 && arguments[2] != nil {
ignoreCaseItem := arguments[2].(parsers.SelectItem)
if value, ok := getFieldValue(ignoreCaseItem, queryParameters, row).(bool); ok {
ignoreCase = value
}
}
ex1Item := arguments[0].(parsers.SelectItem)
ex2Item := arguments[1].(parsers.SelectItem)
ex1 := getFieldValue(ex1Item, queryParameters, row)
ex2 := getFieldValue(ex2Item, queryParameters, row)
var ok bool
var str1 string
var str2 string
if str1, ok = ex1.(string); !ok {
fmt.Println("StringEquals got parameters of wrong type")
}
if str2, ok = ex2.(string); !ok {
fmt.Println("StringEquals got parameters of wrong type")
}
if ignoreCase {
str1 = strings.ToLower(str1)
str2 = strings.ToLower(str2)
}
return strings.Contains(str1, str2)
}
func strings_Concat(arguments []interface{}, queryParameters map[string]interface{}, row RowType) string {
result := ""