hsyuan commented on a change in pull request #1602: [CALCITE-3531]
AggregateProjectPullUpConstantsRule should not remove …
URL: https://github.com/apache/calcite/pull/1602#discussion_r349766517
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File path: core/src/main/java/org/apache/calcite/rex/RexUtil.java
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@@ -514,9 +514,13 @@ public Boolean visitDynamicParam(RexDynamicParam
dynamicParam) {
}
public Boolean visitCall(RexCall call) {
- // Constant if operator is deterministic and all operands are
- // constant.
- return call.getOperator().isDeterministic()
Review comment:
And Vertica:
https://www.vertica.com/docs/9.2.x/HTML/Content/Authoring/SQLReferenceManual/Functions/Date-Time/CURRENT_TIMESTAMP.htm
DB2:
https://www.ibm.com/support/knowledgecenter/en/SSMKHH_10.0.0/com.ibm.etools.mft.doc/ak05450_.htm
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