soumyakanti3578 commented on code in PR #5494:
URL: https://github.com/apache/hive/pull/5494#discussion_r1805482875
##########
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/rules/jdbc/JDBCExpandExpressionsRule.java:
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@@ -178,6 +177,9 @@ protected static class RexTransformIntoOrAndClause extends
RexShuttle {
@Override
public RexNode visitCall(RexCall inputCall) {
RexNode node = super.visitCall(inputCall);
+ if (!RexUtil.isFlat(node)) {
+ node = RexUtil.flatten(rexBuilder, node);
+ }
Review Comment:
Although it is doing the same thing, this indeed looks safer, so I have
included it in the latest commit.
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