cloud-fan commented on a change in pull request #24685: [SPARK-27814][SQL] The
cast operation for partition key may push down uncorrect filter, which is
fatal.
URL: https://github.com/apache/spark/pull/24685#discussion_r287676514
##########
File path:
sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/SQLQuerySuite.scala
##########
@@ -2384,4 +2384,12 @@ class SQLQuerySuite extends QueryTest with SQLTestUtils
with TestHiveSingleton {
}
}
}
+
+ test("SPARK-27814: test cast operation for partition key") {
+ withTable("t1") {
+ spark.sql("CREATE TABLE t1(c1 Int, c2 String) PARTITIONED BY (c3 Int)")
+ spark.sql("SELECT * FROM t1 WHERE CAST(c3 as String) = '0'").show()
Review comment:
let's not use `show` in test cases, use `checkAnswer`
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