Jim Nasby wrote:
> I'm confused by this:
> "pg_event_trigger_ddl_commands returns one row for each base command
> executed; some commands that are a single SQL sentence may return more than
> one row."
> What is a "SQL sentence"?

I meant "a single SQL command".  The word "sentence" probably just
slipped through.  Will fix.

> (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.

Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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