Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/18724#discussion_r132600534
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/jdbc/JDBCSuite.scala
---
@@ -1007,4 +1007,23 @@ class JDBCSuite extends SparkFunSuite
assert(sql("select * from people_view").count() == 3)
}
}
+
+ test("SPARK-21519: option sessionInitStatement, run SQL to initialize
the database session.") {
+ val initSQL1 = "SET @MYTESTVAR 21519"
+ val df1 = spark.read.format("jdbc")
+ .option("url", urlWithUserAndPass)
+ .option("dbtable", "(SELECT NVL(@MYTESTVAR, -1))")
+ .option("sessionInitStatement", initSQL1)
+ .load()
+ assert(df1.collect() === Array(Row(21519)))
+
+ val initSQL2 = "SET SCHEMA DUMMY"
--- End diff --
Sorry, I might not explain it clearly. Is that possible we can have a test
case to send more than one statements in a single session initialization? Now
these two examples have only one statement.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
