danny0405 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_r323083973
##########
File path:
core/src/main/java/org/apache/calcite/adapter/enumerable/RexImpTable.java
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@@ -2925,6 +2934,83 @@ private Expression normalize(SqlTypeName typeName,
Expression e) {
}
}
}
+
+ /** Implements CLASSIFIER MR Function */
+ private static class ClassifierImplementor implements MatchImplementor {
+ @Override public Expression implement(RexToLixTranslator translator,
RexCall call,
+ ParameterExpression row,
ParameterExpression rows,
Review comment:
Fix the indent.
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