[GitHub] wangyum commented on a change in pull request #23400: [SPARK-26499] [SQL] JdbcUtils.getCatalystType maps TINYINT to IntegerType instead of Byte…

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wangyum commented on a change in pull request #23400: [SPARK-26499] [SQL] JdbcUtils.getCatalystType maps TINYINT to IntegerType instead of Byte…
URL: https://github.com/apache/spark/pull/23400#discussion_r244524099
 
 

 ##########
 File path: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JdbcUtils.scala
 ##########
 @@ -239,7 +239,7 @@ object JdbcUtils extends Logging {
       case java.sql.Types.TIMESTAMP     => TimestampType
       case java.sql.Types.TIMESTAMP_WITH_TIMEZONE
                                         => null
-      case java.sql.Types.TINYINT       => IntegerType
+      case java.sql.Types.TINYINT       => ByteType
 
 Review comment:
   @twdsilva Could you run [docker-integration-tests](
   https://github.com/apache/spark/tree/master/external/docker-integration-tests) manually.

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