sunxiaoguang commented on code in PR #49453:
URL: https://github.com/apache/spark/pull/49453#discussion_r1912728676
##########
connector/docker-integration-tests/src/test/scala/org/apache/spark/sql/jdbc/v2/MySQLIntegrationSuite.scala:
##########
@@ -241,6 +241,37 @@ class MySQLIntegrationSuite extends
DockerJDBCIntegrationV2Suite with V2JDBCTest
assert(rows10(0).getString(0) === "amy")
assert(rows10(1).getString(0) === "alex")
}
+
+ test("SPARK-50793: MySQL JDBC Connector failed to cast some types") {
+ val tableName = catalogName + ".test_cast_function"
+ withTable(tableName) {
+ // CREATE table to use types defined in Spark SQL
+ sql(s"""CREATE TABLE $tableName (
+ string_col STRING,
+ short_col SHORT,
+ integer_col INTEGER,
+ long_col LONG,
+ binary_col BINARY,
+ double_col DOUBLE
+ )""")
+ sql(s"INSERT INTO $tableName VALUES('0', 0, 0, 0, x'30', 0.0)")
+
+ def testCast(castType: String, sourceCol: String, targetCol: String):
Unit = {
+ val sql = s"SELECT * FROM $tableName WHERE CAST($sourceCol AS
$castType) = $targetCol"
+ assert(spark.sql(sql).collect().length === 1)
Review Comment:
Sure, let me add that.
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