akashrn5 commented on a change in pull request #3541:
[CARBONDATA-3636]Timeseries query is not hitting datamap if granularity in
query is given case insensitive
URL: https://github.com/apache/carbondata/pull/3541#discussion_r373319016
##########
File path:
datamap/mv/core/src/main/scala/org/apache/carbondata/mv/rewrite/Utils.scala
##########
@@ -519,4 +521,73 @@ object Utils extends PredicateHelper {
}
}
+ /**
+ * Check's if timeseries udf function exists. If exists, compare literal
with case insensitive
+ * value
+ */
+ def isExpressionMatchesUDF(exp: Expression, exprList: Seq[Expression]):
Boolean = {
+ exp match {
+ case Alias(s: ScalaUDF, _) if
s.function.isInstanceOf[TimeSeriesFunction] =>
+ val children = s.children
+ val finalExpr = exprList.filter(a1 =>
+ a1.isInstanceOf[Alias] &&
a1.asInstanceOf[Alias].child.isInstanceOf[ScalaUDF] &&
+ a1.asInstanceOf[Alias].child.asInstanceOf[ScalaUDF].function.
+ isInstanceOf[TimeSeriesFunction])
+ finalExpr.exists(f => {
+ val finalExp =
f.asInstanceOf[Alias].child.asInstanceOf[ScalaUDF].children
Review comment:
rename it, i think `childExprsOfTimeSeriesUDF` sounds better
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