fx19880617 commented on a change in pull request #5014: fixing converting
PinotQuery to BrokerRequest for group by clause with selections
URL: https://github.com/apache/incubator-pinot/pull/5014#discussion_r370819544
##########
File path:
pinot-common/src/test/java/org/apache/pinot/sql/parsers/CalciteSqlCompilerTest.java
##########
@@ -832,4 +849,17 @@ public void testSqlDistinctQueryCompilation() {
Assert.assertEquals(aggregationInfo.getAggregationParams().get(FunctionCallAstNode.COLUMN_KEY_IN_AGGREGATION_INFO),
"add(div(col1,col2),mul(col3,col4)):sub(col3,col4):col5:col6");
}
+
+ @Test
+ public void testQueryValidationFailure() {
+ String sql;
+ try {
+ sql = "select group_city,group_country, sum(rsvp_count), count(*) from
meetupRsvp group by group_country, sum(rsvp_count), count(*) limit 50";
Review comment:
GROUP BY clause shouldn't contain aggregate expression like sum(PostalCode),
however, you can still do dateConverter(secondsSinceEpoch) etc, which is
non-aggregate Transform function. Or expressions like ADD(a,b).
My validate assumes that group by clause is always non-aggregate expression,
so that we could extract all the identifier from them.
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