Joe McDonnell has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/21194 )

Change subject: IMPALA-12934: Added Calcite parsing files to Impala
......................................................................


Patch Set 8: Code-Review+1

(1 comment)

This change looks good to me. I'm going to kick off tests.

http://gerrit.cloudera.org:8080/#/c/21194/8//COMMIT_MSG
Commit Message:

http://gerrit.cloudera.org:8080/#/c/21194/8//COMMIT_MSG@18
PS8, Line 18: The config.fmpp file was grabbed from Calcite 1.36 
default_config.fmpp.  It does
            : have two very small modifications from the original Calcite fmpp 
file in order
            : to fix compilation issues within Impala
            :
            : 1) the entire json is wrapped with a "data {}" tag
            : 2) the class used is ImpalaSqlParserImpl as opposed to the 
Calcite SqlParserImpl
            :    class to prevent naming collisions with Calcite.
Let me check my understanding:
 - The config.fmpp has a particular structure that we need to follow. We're 
constructing a config.fmpp following the same structure as 
https://github.com/apache/calcite/blob/main/core/src/main/codegen/config.fmpp.
 - The default values for the "parser" section come from default_config.fmpp. 
We could have a minimal config.fmpp with just the parser class name if we 
wanted to.
 - To make it easier to understand future Impala modifications we make, we are 
pulling in all of the settings from default_config.fmpp to this config.fmpp's 
parser section.

If that description is correct, then I think we could edit this section and say 
that we're constructing a config.fmpp in its usual format with our custom class 
name but including all the content from default_config.fmpp to make it easier 
to understand future changes.



--
To view, visit http://gerrit.cloudera.org:8080/21194
To unsubscribe, visit http://gerrit.cloudera.org:8080/settings

Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: If756b5ea8beb85661a30fb5d029e74ebb6719767
Gerrit-Change-Number: 21194
Gerrit-PatchSet: 8
Gerrit-Owner: Steve Carlin <[email protected]>
Gerrit-Reviewer: Aman Sinha <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Joe McDonnell <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Reviewer: Steve Carlin <[email protected]>
Gerrit-Comment-Date: Wed, 01 May 2024 00:00:01 +0000
Gerrit-HasComments: Yes

Reply via email to