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.
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
Data in Trouble? Get it in Treble! http://BlueTreble.com
855-TREBLE2 (855-873-2532)

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