Partial JOIN implementation

parsers/nosql/join_test.go

@@ -0,0 +1,57 @@
+package nosql_test
+
+import (
+	"testing"
+
+	"github.com/pikami/cosmium/parsers"
+)
+
+func Test_Parse_Join(t *testing.T) {
+
+	t.Run("Should parse simple JOIN", func(t *testing.T) {
+		testQueryParse(
+			t,
+			`SELECT c.id, c["pk"] FROM c JOIN cc IN c["tags"]`,
+			parsers.SelectStmt{
+				SelectItems: []parsers.SelectItem{
+					{Path: []string{"c", "id"}},
+					{Path: []string{"c", "pk"}},
+				},
+				Table: parsers.Table{Value: "c"},
+				JoinItems: []parsers.JoinItem{
+					{
+						Table: parsers.Table{
+							Value: "cc",
+						},
+						SelectItem: parsers.SelectItem{
+							Path: []string{"c", "tags"},
+						},
+					},
+				},
+			},
+		)
+	})
+
+	t.Run("Should parse JOIN VALUE", func(t *testing.T) {
+		testQueryParse(
+			t,
+			`SELECT VALUE cc FROM c JOIN cc IN c["tags"]`,
+			parsers.SelectStmt{
+				SelectItems: []parsers.SelectItem{
+					{Path: []string{"cc"}, IsTopLevel: true},
+				},
+				Table: parsers.Table{Value: "c"},
+				JoinItems: []parsers.JoinItem{
+					{
+						Table: parsers.Table{
+							Value: "cc",
+						},
+						SelectItem: parsers.SelectItem{
+							Path: []string{"c", "tags"},
+						},
+					},
+				},
+			},
+		)
+	})
+}