zabetak commented on a change in pull request #1164: [CALCITE-2998] RexCopier
should support all rex types (Chunwei Lei)
URL: https://github.com/apache/calcite/pull/1164#discussion_r277595197
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File path: core/src/main/java/org/apache/calcite/rex/RexCopier.java
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@@ -52,11 +53,30 @@ private RelDataType copy(RelDataType type) {
}
public RexNode visitOver(RexOver over) {
- throw new UnsupportedOperationException();
+ final boolean[] update = null;
+ return new RexOver(copy(over.getType()), over.getAggOperator(),
+ visitList(over.getOperands(), update), visitWindow(over.getWindow()),
+ over.isDistinct(), over.ignoreNulls());
}
public RexWindow visitWindow(RexWindow window) {
Review comment:
I would assume that if every other visit method creates a new instance of a
RexNode then RexShuttle would take care of it. Sorry for insisting on this but
I would prefer if don't we duplicate pieces of code (especially between
parent-child classes). I will give it some thought ;)
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