maropu commented on a change in pull request #23783: [SPARK-26854][SQL] Support
ANY/SOME subquery
URL: https://github.com/apache/spark/pull/23783#discussion_r256846338
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
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@@ -1148,6 +1165,12 @@ class AstBuilder(conf: SQLConf) extends
SqlBaseBaseVisitor[AnyRef] with Logging
EqualNullSafe(e, expression(ctx.right))
case SqlBaseParser.DISTINCT =>
Not(EqualNullSafe(e, expression(ctx.right)))
+ case SqlBaseParser.ANY | SqlBaseParser.SOME =>
+ invertIfNotDefined(AnySubquery(
+ getValueExpressions(e),
+ getComparisonOperator(
+
ctx.comparisonOperator.getChild(0).asInstanceOf[TerminalNode].getSymbol.getType),
+ ListQuery(plan(ctx.query))))
Review comment:
For now, IMO its ok to do so.
nit: `getComparisonExpression` -> `getPredicate`?
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