Re: SQL-standard function body

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Cc: Julien Rouhaud <rjuju123@gmail.com>, Noah Misch <noah@leadboat.com>, Jaime Casanova <jcasanov@systemguards.com.ec>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2021-06-07T19:24:33Z
Lists: pgsql-hackers

Attachments

I wrote:
> ... I tend to agree with Julien's position here.  It seems really ugly
> to prohibit empty statements just for implementation convenience.
> However, the way I'd handle it is to have the grammar remove them,
> which is what it does in other contexts.

Concretely, I think the right fix is per attached.

Like Julien, I don't see any additional change in regression test outputs.
Maybe Peter thinks there should be some?  But I think the reverse-listing
we get for functest_S_3a is fine.

			regards, tom lane

Commits

  1. Don't crash on empty statements in SQL-standard function bodies.

  2. psql: Fix line continuation prompts for unbalanced parentheses

  3. Provide query source text when parsing a SQL-standard function body.

  4. Revert "Cope with NULL query string in ExecInitParallelPlan()."

  5. Undo decision to allow pg_proc.prosrc to be NULL.

  6. SQL-standard function body

  7. Move pg_stat_statements query jumbling to core.

  8. Extend SQL function tests lightly