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Adds session binders #1252

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merged 1 commit into from
Oct 25, 2023
Merged

Adds session binders #1252

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1 change: 1 addition & 0 deletions partiql-ast/src/main/kotlin/org/partiql/ast/helpers/ToBinder.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ public fun Expr.toBinder(index: Int): Identifier.Symbol = when (this) {
is Expr.Var -> this.identifier.toBinder()
is Expr.Path -> this.toBinder(index)
is Expr.Cast -> this.value.toBinder(index)
is Expr.SessionAttribute -> this.attribute.name.uppercase().toBinder()
else -> col(index).toBinder()
}

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30 changes: 30 additions & 0 deletions ...-lang/src/test/kotlin/org/partiql/lang/planner/transforms/PartiQLSchemaInferencerTests.kt
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Expand Up @@ -33,6 +33,7 @@ import org.partiql.types.IntType
import org.partiql.types.ListType
import org.partiql.types.SexpType
import org.partiql.types.StaticType
import org.partiql.types.StaticType.Companion.DATE
import org.partiql.types.StaticType.Companion.DECIMAL
import org.partiql.types.StaticType.Companion.INT
import org.partiql.types.StaticType.Companion.INT4
Expand Down Expand Up @@ -385,6 +386,35 @@ class PartiQLSchemaInferencerTests {
query = "SELECT VALUE a FROM [ 0 ] AS a WHERE CURRENT_USER = 5",
expected = BagType(INT),
),
SuccessTestCase(
name = "Testing CURRENT_USER and CURRENT_DATE Binders",
query = """
SELECT
CURRENT_USER,
CURRENT_DATE,
CURRENT_USER AS "curr_user",
CURRENT_DATE AS "curr_date",
CURRENT_USER || ' is my name.' AS name_desc
FROM << 0, 1 >>;
""".trimIndent(),
expected = BagType(
StructType(
fields = listOf(
StructType.Field("CURRENT_USER", STRING.asNullable()),
StructType.Field("CURRENT_DATE", DATE),
StructType.Field("curr_user", STRING.asNullable()),
StructType.Field("curr_date", DATE),
StructType.Field("name_desc", STRING.asNullable()),
),
contentClosed = true,
constraints = setOf(
TupleConstraint.Open(false),
TupleConstraint.UniqueAttrs(true),
TupleConstraint.Ordered
)
)
)
),
ErrorTestCase(
name = "Current User (String) PLUS String",
query = "CURRENT_USER + 'hello'",
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