Github user liancheng commented on a diff in the pull request: https://github.com/apache/spark/pull/10757#discussion_r53006549 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Expression.scala --- @@ -499,6 +489,8 @@ abstract class BinaryOperator extends BinaryExpression with ExpectsInputTypes { def symbol: String + def sqlOperator: String = symbol --- End diff -- For example, `And.symbol` is `&&`, while `And.sqlOperator` is `AND`. The former is used in Hive shims for converting Hive filters. The latter is used to generate SQL string.
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