mihaibudiu commented on code in PR #4214:
URL: https://github.com/apache/calcite/pull/4214#discussion_r2025961346
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core/src/main/java/org/apache/calcite/rel/rel2sql/SqlImplementor.java:
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@@ -855,6 +855,76 @@ private SqlNode callToSql(@Nullable RexProgram program,
RexCall call0,
final RexCall call = (RexCall) stripCastFromString(call1, dialect);
SqlOperator op = call.getOperator();
switch (op.getKind()) {
+ case IS_FALSE:
Review Comment:
I am thinking of a function in Dialect like this: `RexCall
prepareUnparse(RexCall arg)` which can rewrite a RexCall before it is unparsed;
the default implementation returns arg. The argument could be RexNode too.
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