Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/6326#discussion_r30962856
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/SqlParser.scala ---
@@ -228,7 +228,12 @@ class SqlParser extends AbstractSparkSQLParser with
DataTypeParser {
andExpression * (OR ^^^ { (e1: Expression, e2: Expression) => Or(e1,
e2) })
protected lazy val andExpression: Parser[Expression] =
- comparisonExpression * (AND ^^^ { (e1: Expression, e2: Expression) =>
And(e1, e2) })
+ booleanFactor * (AND ^^^ { (e1: Expression, e2: Expression) => And(e1,
e2) })
--- End diff --
Instead of bind the rule `booleanFactor` with `andExpression`, a better
place probably be `expression` rule.
(https://github.com/smola/spark/blob/feature/operator-precedence/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/SqlParser.scala#L225)
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