yaooqinn commented on PR #41531:
URL: https://github.com/apache/spark/pull/41531#issuecomment-1586512593
Can you ensure MySQL or Snowflake's behaviors are client-side or server-side?
The hive string method here is used by `spark-sql`(client-server embedded)
and
`thrift server` (client-server separated). The former simply uses it for
printing,
but the latter is much more complicated. Spark only has inlined the source
code
for the server, but for the clients, including thrift client, Hive Beeline,
and Hive JDBC, we respect upstream fully.
The binary string shall be compatible with all client APIs. Changes here do
break
for the JDBC ResultSet.getObject function, which coverts this binary string
to byte
array again.
FYI,
https://github.com/apache/hive/blob/431e7d9e5431a808106d8db81e11aea74f040da5/jdbc/src/java/org/apache/hive/jdbc/HiveBaseResultSet.java#L541
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