On 2/17/17 10:19 PM, Alvaro Herrera wrote:
(FWIW, I'm wondering because I was just looking to see why there's no
details for things like altering a column in a table.)
Do you mean you want to have access to the details of the alter table
operations being executed?  There's no structured data for that; you
need to write a C function to examine the pg_ddl_command opaque column.


Yeah. It doesn't seem unreasonable for a user to want to get at that info.

Could the opaque column be mapped to a composite? I guess that'd be a bit of a pain due to the union. :/ And I have a suspicion that alterTable.subcmds is a list of CollectedCommand, making things more fun.
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Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
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