Abhishek Rawat has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/20731 )

Change subject: IMPALA-12502: Support Impala to Impala federation
......................................................................


Patch Set 9:

(2 comments)

http://gerrit.cloudera.org:8080/#/c/20731/9/java/ext-data-source/jdbc/src/main/java/org/apache/impala/extdatasource/jdbc/conf/JdbcStorageConfig.java
File 
java/ext-data-source/jdbc/src/main/java/org/apache/impala/extdatasource/jdbc/conf/JdbcStorageConfig.java:

http://gerrit.cloudera.org:8080/#/c/20731/9/java/ext-data-source/jdbc/src/main/java/org/apache/impala/extdatasource/jdbc/conf/JdbcStorageConfig.java@21
PS9, Line 21: public enum JdbcStorageConfig {
Would be good to also support setting query options for Impala in the 
JdbcStorageConfig as that's pretty common usecase and something we support 
setting from jdbc client. Could be a follow on task.


http://gerrit.cloudera.org:8080/#/c/20731/9/testdata/workloads/functional-query/queries/QueryTest/impala-ext-jdbc-tables.test
File 
testdata/workloads/functional-query/queries/QueryTest/impala-ext-jdbc-tables.test:

http://gerrit.cloudera.org:8080/#/c/20731/9/testdata/workloads/functional-query/queries/QueryTest/impala-ext-jdbc-tables.test@80
PS9, Line 80: where float_col = 0 and string_col is not NULL
These predicates seem to be evaluated locally and not in the remote Impala? 
Either way would be good to also validate in the profile where predicate is 
applied. Same comment for other such queries.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I79ad3273932b658cb85c9c17cc834fa1b5fbd64f
Gerrit-Change-Number: 20731
Gerrit-PatchSet: 9
Gerrit-Owner: Wenzhe Zhou <wz...@cloudera.com>
Gerrit-Reviewer: Abhishek Rawat <ara...@cloudera.com>
Gerrit-Reviewer: Anonymous Coward <gsi...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>
Gerrit-Reviewer: Wenzhe Zhou <wz...@cloudera.com>
Gerrit-Comment-Date: Thu, 14 Dec 2023 23:28:07 +0000
Gerrit-HasComments: Yes

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