Re: Identifying ALTER TABLE "sub-command" - Mailing list pgsql-hackers

Jeremy Finzel wrote:
> Hello -
> 
> I have found that in leveraging the parser code to decode DDL SQL, it is
> very easy to get which type of general command is being issued with
> CreateCommandTag(parsetree).  However, is there a way (or a starting point)
> to identify the sub-command as well i.e. ENABLE TRIGGER, ADD FOREIGN KEY,
> etc.?

Hi Jeremy,

See the test code in src/test/modules/test_ddl_deparse/test_ddl_deparse.c
It might give you some ideas.

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Álvaro Herrera                https://www.2ndQuadrant.com/
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