gengliangwang commented on code in PR #50571:
URL: https://github.com/apache/spark/pull/50571#discussion_r2040358977
##########
sql/core/src/test/scala/org/apache/spark/sql/execution/command/DDLSuite.scala:
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@@ -1405,6 +1405,31 @@ abstract class DDLSuite extends QueryTest with
DDLSuiteBase {
}
}
+ test("SPARK-51747: When legacy conf enabled data source read ignores option
change") {
+ withSQLConf(SQLConf.READ_DATA_SOURCE_CACHE_IGNORE_OPTIONS.key -> "true") {
+ withTable("t") {
+ spark.sql("CREATE TABLE t(a string, b string) USING CSV".stripMargin)
+ spark.sql("INSERT INTO TABLE t VALUES ('a;b', 'c')")
+ spark.sql("INSERT INTO TABLE t VALUES ('hello; world', 'test')")
+
+ // check initial contents of table
+ checkAnswer(spark.table("t"), Row("a;b", "c") :: Row("hello; world",
"test") :: Nil)
Review Comment:
It would be great to check the cached plan after this first read as well. We
should ensure plan are cached
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