sunxiaoguang commented on code in PR #49453:
URL: https://github.com/apache/spark/pull/49453#discussion_r1912879188


##########
sql/core/src/main/scala/org/apache/spark/sql/jdbc/MySQLDialect.scala:
##########
@@ -259,6 +272,8 @@ private case class MySQLDialect() extends JdbcDialect with 
SQLConfHelper with No
     case StringType => Option(JdbcType("LONGTEXT", java.sql.Types.LONGVARCHAR))
     case ByteType => Option(JdbcType("TINYINT", java.sql.Types.TINYINT))
     case ShortType => Option(JdbcType("SMALLINT", java.sql.Types.SMALLINT))
+    // We override getJDBCType so that DoubleType is mapped to DOUBLE instead.
+    case DoubleType => Option(JdbcType("DOUBLE", java.sql.Types.DOUBLE))

Review Comment:
   I also added comment to this line, so we can understand why this change is 
necessary.



-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org

For queries about this service, please contact Infrastructure at:
us...@infra.apache.org


---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org

Reply via email to