stefanbuk-db commented on code in PR #47666:
URL: https://github.com/apache/spark/pull/47666#discussion_r1742050144
##########
connector/docker-integration-tests/src/test/scala/org/apache/spark/sql/jdbc/v2/PostgresIntegrationSuite.scala:
##########
@@ -123,4 +132,49 @@ class PostgresIntegrationSuite extends
DockerJDBCIntegrationV2Suite with V2JDBCT
)
}
}
+
+ test("SPARK-49162: Push down date_trunc function") {
+ def testDateTruncPushdown(format: String, expectedResult: Set[Row]): Unit
= {
+ val df = sql(
+ s"""
+ SELECT DATE_TRUNC('$format', time), COUNT(*)
+ | FROM $catalogName.datetime_table
+ | GROUP BY 1
Review Comment:
Thanks for adding new tests! Can we do tests where DATE_TRUNC is a part of
the predicate (where DATE_TRUNC = ....) to see if it works when we push down
predicates. I am not sure if we do pushdowns in projection.
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