julianhyde commented on a change in pull request #1449: [CALCITE-3302]
Implement CLASSIFIER and LAST function for MATCH_RECOG…
URL: https://github.com/apache/calcite/pull/1449#discussion_r323755129
##########
File path:
core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java
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@@ -916,6 +915,16 @@ public AggImplementor get(final SqlAggFunction
aggregation,
return aggSupplier.get();
}
+ public MatchImplementor get(final SqlMatchFunction function) {
+ final Supplier<? extends MatchImplementor> supplier = mrMap.get(function);
+ if (supplier != null) {
+ return supplier.get();
+ } else {
+ // TODO throw an exception here?
+ return null;
Review comment:
Or just throw. Someone will log a JIRA case if they hit it. It may be
impossible to hit.
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