beliefer commented on a change in pull request #25074: [SPARK-27924][SQL]
Support ANSI SQL Boolean-Predicate syntax
URL: https://github.com/apache/spark/pull/25074#discussion_r305786347
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
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@@ -1243,6 +1244,12 @@ class AstBuilder(conf: SQLConf) extends
SqlBaseBaseVisitor[AnyRef] with Logging
IsNotNull(e)
case SqlBaseParser.NULL =>
IsNull(e)
+ case SqlBaseParser.TRUE =>
+ invertIfNotDefined(BooleanTest(e, Some(true)))
+ case SqlBaseParser.FALSE =>
+ invertIfNotDefined(BooleanTest(e, Some(false)))
+ case SqlBaseParser.UNKNOWN =>
+ invertIfNotDefined(BooleanTest(e, None))
Review comment:
Thanks for your reminder. But I don't known the reason that must use
`IsNull` or `IsNotNull`. I think boolean predicate and null predicate is two
different syntax.
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