dengziming opened a new pull request, #51686: URL: https://github.com/apache/spark/pull/51686
### What changes were proposed in this pull request? When pushing down join SQL, we generated aliases for duplicated names, but the aliases are too long to read. ``` SELECT "ID_bf822dc6_e06d_492c_a489_1e92a6fe84a0","AMOUNT_c9f3fc67_62f8_4ec6_9c3f_b7ee7bafcb5a","ADDRESS_d937a313_3e09_4b97_b91f_b2a47ef5e31d","ID","AMOUNT","ADDRESS" FROM xxxx RelationV2[ID_bf822dc6_e06d_492c_a489_1e92a6fe84a0#18, AMOUNT_c9f3fc67_62f8_4ec6_9c3f_b7ee7bafcb5a#19, ADDRESS_d937a313_3e09_4b97_b91f_b2a47ef5e31d#20, ID#21, AMOUNT#22, ADDRESS#23] join_pushdown_catalog.JOIN_SCHEMA.JOIN_TABLE_1 ``` ``` SELECT "ID_0","AMOUNT_1","ADDRESS_2","ID","AMOUNT","ADDRESS" FROM xxx RelationV2[ID_0#18, AMOUNT_1#19, ADDRESS_2#20, ID#21, AMOUNT#22, ADDRESS#23] join_pushdown_catalog.JOIN_SCHEMA.JOIN_TABLE_1 ``` ### Why are the changes needed? Make code-generated JDBC SQL clearer ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? Existing tests can ensure no side effects are introduced. ### Was this patch authored or co-authored using generative AI tooling? Generated-by: Trae. -- 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