liuyongvs commented on code in PR #3238:
URL: https://github.com/apache/calcite/pull/3238#discussion_r1220558806
##########
core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java:
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@@ -3119,6 +3125,37 @@ private static class ArrayConcatImplementor extends
AbstractRexCallImplementor {
}
}
+ /** Implementor for str_to_map. */
+ private static class StringToMapImplementor extends
AbstractRexCallImplementor {
+ StringToMapImplementor() {
+ super("str_to_map", NullPolicy.STRICT, false);
+ }
+
+ @Override Expression implementSafe(RexToLixTranslator translator,
+ RexCall call, List<Expression> argValueList) {
+ switch (call.getOperands().size()) {
+ case 1:
+ return Expressions.call(
Review Comment:
However, personally, I think the difference is not significant, and many do
the same
for example ItemImplementor/LogImplementor/DatetimeArithmeticImplementor/...
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