rdblue commented on a change in pull request #25115: [SPARK-28351][SQL] Support
DELETE in DataSource V2
URL: https://github.com/apache/spark/pull/25115#discussion_r313502253
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/sources/v2/DataSourceV2SQLSuite.scala
##########
@@ -1862,6 +1862,42 @@ class DataSourceV2SQLSuite extends QueryTest with
SharedSQLContext with BeforeAn
}
}
+ test("DeleteFrom: basic") {
+ val t = "testcat.ns1.ns2.tbl"
+ withTable(t) {
+ sql(s"CREATE TABLE $t (id bigint, data string, p int) USING foo
PARTITIONED BY (id, p)")
+ sql(s"INSERT INTO $t VALUES (2L, 'a', 2), (2L, 'b', 3), (3L, 'c', 3)")
+ sql(s"DELETE FROM $t WHERE id = 2")
+ checkAnswer(spark.table(t), Seq(
+ Row(3, "c", 3)))
+ }
+ }
+
+ test("DeleteFrom: alias") {
+ val t = "testcat.ns1.ns2.tbl"
+ withTable(t) {
+ sql(s"CREATE TABLE $t (id bigint, data string, p int) USING foo
PARTITIONED BY (id, p)")
+ sql(s"INSERT INTO $t VALUES (2L, 'a', 2), (2L, 'b', 3), (3L, 'c', 3)")
+ sql(s"DELETE FROM $t tbl WHERE tbl.id = 2")
+ checkAnswer(spark.table(t), Seq(
+ Row(3, "c", 3)))
+ }
+ }
+
+ test("DeleteFrom: fail if has subquery") {
+ val t = "testcat.ns1.ns2.tbl"
+ withTable(t) {
+ sql(s"CREATE TABLE $t (id bigint, data string, p int) USING foo
PARTITIONED BY (id, p)")
+ sql(s"INSERT INTO $t VALUES (2L, 'a', 2), (2L, 'b', 3), (3L, 'c', 3)")
+ val exc = intercept[AnalysisException] {
+ sql(s"DELETE FROM $t WHERE id IN (SELECT id FROM $t)")
Review comment:
This sounds reasonable to me.
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