yashmayya commented on code in PR #16966:
URL: https://github.com/apache/pinot/pull/16966#discussion_r2411016446
##########
pinot-integration-tests/src/test/java/org/apache/pinot/integration/tests/NullHandlingIntegrationTest.java:
##########
@@ -459,4 +459,29 @@ public Object[][] nullLiteralQueries() {
{String.format("SELECT tan(null) FROM %s", getTableName()), "null"}
};
}
+
+ /// This test ensures IS_TRUE can be trimmed off on leaf stage
+ @Test(dataProvider = "useBothQueryEngines")
+ public void testFilteredAggregationNoScanInFilter(boolean
useMultiStageQueryEngine)
+ throws Exception {
+ setUseMultiStageQueryEngine(useMultiStageQueryEngine);
+
+ String query = "SELECT city, COUNT(*), COUNT(*) FILTER(WHERE description =
'unknown') FROM mytable GROUP BY city";
+
+ // MSE will insert IS_TRUE to the aggregate filter
+ if (useMultiStageQueryEngine) {
+ explainLogical(query,
+ "Execution Plan\n"
+ + "PinotLogicalAggregate(group=[{0}], agg#0=[COUNT($1)],
agg#1=[COUNT($2)], aggType=[FINAL])\n"
+ + " PinotLogicalExchange(distribution=[hash[0]])\n"
+ + " PinotLogicalAggregate(group=[{0}], agg#0=[COUNT()],
agg#1=[COUNT() FILTER $1], aggType=[LEAF])\n"
+ + " LogicalProject(city=[$5], $f1=[IS TRUE(=($7,
_UTF-8'unknown'))])\n"
Review Comment:
Yep, I'm asking about the EQUALS implementation, not IS_TRUE 😄
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