Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/6479#discussion_r31692338
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala
---
@@ -313,295 +318,309 @@ abstract class CodeGenerator[InType <: AnyRef,
OutType <: AnyRef] extends Loggin
}
val $nullTerm = false
val $primitiveTerm = $funcName
- """.children
+ """
*/
case GreaterThan(e1 @ NumericType(), e2 @ NumericType()) =>
- (e1, e2).evaluateAs (BooleanType) { case (eval1, eval2) =>
q"$eval1 > $eval2" }
+ (e1, e2).evaluateAs (BooleanType) { case (eval1, eval2) =>
s"$eval1 > $eval2" }
case GreaterThanOrEqual(e1 @ NumericType(), e2 @ NumericType()) =>
- (e1, e2).evaluateAs (BooleanType) { case (eval1, eval2) =>
q"$eval1 >= $eval2" }
+ (e1, e2).evaluateAs (BooleanType) { case (eval1, eval2) =>
s"$eval1 >= $eval2" }
case LessThan(e1 @ NumericType(), e2 @ NumericType()) =>
- (e1, e2).evaluateAs (BooleanType) { case (eval1, eval2) =>
q"$eval1 < $eval2" }
+ (e1, e2).evaluateAs (BooleanType) { case (eval1, eval2) =>
s"$eval1 < $eval2" }
case LessThanOrEqual(e1 @ NumericType(), e2 @ NumericType()) =>
- (e1, e2).evaluateAs (BooleanType) { case (eval1, eval2) =>
q"$eval1 <= $eval2" }
+ (e1, e2).evaluateAs (BooleanType) { case (eval1, eval2) =>
s"$eval1 <= $eval2" }
case And(e1, e2) =>
- val eval1 = expressionEvaluator(e1)
- val eval2 = expressionEvaluator(e2)
-
- q"""
- ..${eval1.code}
- var $nullTerm = false
- var $primitiveTerm: ${termForType(BooleanType)} = false
-
- if (!${eval1.nullTerm} && ${eval1.primitiveTerm} == false) {
+ val eval1 = expressionEvaluator(e1, ctx)
+ val eval2 = expressionEvaluator(e2, ctx)
+ // TODO(davies): This is different than And.eval()
+ s"""
+ ${eval1.code}
+ boolean $nullTerm = false;
+ boolean $primitiveTerm = false;
+
+ if (!${eval1.nullTerm} && !${eval1.primitiveTerm}) {
} else {
- ..${eval2.code}
- if (!${eval2.nullTerm} && ${eval2.primitiveTerm} == false) {
+ ${eval2.code}
+ if (!${eval2.nullTerm} && !${eval2.primitiveTerm}) {
} else if (!${eval1.nullTerm} && !${eval2.nullTerm}) {
- $primitiveTerm = true
+ $primitiveTerm = true;
} else {
- $nullTerm = true
+ $nullTerm = true;
}
}
- """.children
+ """
case Or(e1, e2) =>
- val eval1 = expressionEvaluator(e1)
- val eval2 = expressionEvaluator(e2)
+ val eval1 = expressionEvaluator(e1, ctx)
+ val eval2 = expressionEvaluator(e2, ctx)
- q"""
- ..${eval1.code}
- var $nullTerm = false
- var $primitiveTerm: ${termForType(BooleanType)} = false
+ s"""
+ ${eval1.code}
+ boolean $nullTerm = false;
+ boolean $primitiveTerm = false;
if (!${eval1.nullTerm} && ${eval1.primitiveTerm}) {
- $primitiveTerm = true
+ $primitiveTerm = true;
} else {
- ..${eval2.code}
+ ${eval2.code}
if (!${eval2.nullTerm} && ${eval2.primitiveTerm}) {
- $primitiveTerm = true
+ $primitiveTerm = true;
} else if (!${eval1.nullTerm} && !${eval2.nullTerm}) {
- $primitiveTerm = false
+ $primitiveTerm = false;
} else {
- $nullTerm = true
+ $nullTerm = true;
}
}
- """.children
+ """
case Not(child) =>
// Uh, bad function name...
- child.castOrNull(c => q"!$c", BooleanType)
-
- case Add(e1, e2) => (e1, e2) evaluate { case (eval1, eval2) =>
q"$eval1 + $eval2" }
- case Subtract(e1, e2) => (e1, e2) evaluate { case (eval1, eval2) =>
q"$eval1 - $eval2" }
- case Multiply(e1, e2) => (e1, e2) evaluate { case (eval1, eval2) =>
q"$eval1 * $eval2" }
+ child.castOrNull(c => s"!$c", BooleanType)
+
+ case Add(e1 @ DecimalType(), e2 @ DecimalType()) =>
--- End diff --
DecimalType.unapply() will catch all the DecimalType objects.
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