Github user hsuanyi commented on a diff in the pull request: https://github.com/apache/drill/pull/377#discussion_r53533236 --- Diff: exec/java-exec/src/main/codegen/templates/DateIntervalFunctionTemplates/Extract.java --- @@ -31,6 +31,48 @@ public class ${className} { +/* Dummy function template to allow Optiq to validate this function call. + * At DrillOptiq time we rewrite all date_part() functions to extract functions, + * since they are essentially the same + */ +@FunctionTemplate(name = "DATE_PART", scope = FunctionTemplate.FunctionScope.SIMPLE, nulls = FunctionTemplate.NullHandling.NULL_IF_NULL) --- End diff -- This is one of the dummy functions we were discussing above. I think this dummy might look less meaningful if it is checked-in alone.
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