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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2021/11/11 14:02:45 UTC
[GitHub] [druid] LakshSingla commented on pull request #11908: Improve the output of SQL explain message
LakshSingla commented on pull request #11908:
URL: https://github.com/apache/druid/pull/11908#issuecomment-966326496
We can support both the formats simultaneously in Calcite's syntax using `SqlExplainLevel` and `SqlExplain.Depth`. I have added.
```
explain:
EXPLAIN PLAN
[ WITH TYPE | WITH IMPLEMENTATION | WITHOUT IMPLEMENTATION ]
[ EXCLUDING ATTRIBUTES | INCLUDING [ ALL ] ATTRIBUTES ]
[ AS JSON | AS XML | AS DOT ]
FOR { query | insert | update | merge | delete }
```
So potentially,
`EXPLAIN PLAN FOR {query}` can give older output and say `EXPLAIN PLAN EXCLUDING ATTRIBUTES {query}` can give the newer one. (Whichever makes mores sense semantically)
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