HyukjinKwon 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_r244474776
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JdbcUtils.scala
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@@ -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:
Since `TINYINT` represents an 8-bit unsigned integer value between 0 and
255, wouldn't it be more correct to use `ShortType`?
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