dusantism-db commented on code in PR #47672:
URL: https://github.com/apache/spark/pull/47672#discussion_r1719514444
##########
sql/core/src/test/scala/org/apache/spark/sql/scripting/SqlScriptingInterpreterSuite.scala:
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@@ -368,6 +368,238 @@ class SqlScriptingInterpreterSuite extends QueryTest with
SharedSparkSession {
}
}
+ test("searched case") {
+ val commands =
+ """
+ |BEGIN
+ | CASE
+ | WHEN 1 = 1 THEN
+ | SELECT 42;
+ | END CASE;
+ |END
+ |""".stripMargin
+ val expected = Seq(Seq(Row(42)))
+ verifySqlScriptResult(commands, expected)
+ }
+
+ test("searched case nested") {
+ val commands =
+ """
+ |BEGIN
+ | CASE
+ | WHEN 1=1 THEN
+ | CASE
+ | WHEN 2=1 THEN
+ | SELECT 41;
+ | ELSE
+ | SELECT 42;
+ | END CASE;
+ | END CASE;
+ |END
+ |""".stripMargin
+ val expected = Seq(Seq(Row(42)))
+ verifySqlScriptResult(commands, expected)
+ }
+
+ test("searched case second case") {
+ val commands =
+ """
+ |BEGIN
+ | CASE
+ | WHEN 1 = (SELECT 2) THEN
+ | SELECT 1;
+ | WHEN 2 = 2 THEN
+ | SELECT 42;
+ | WHEN (SELECT * FROM t) THEN
Review Comment:
If you look at other sql scripting structures, like `while` and `if else`,
they work the same way. This is because in the current architecture, the
interpreting phase happens before the analyzer phase.
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