Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > How about?
>
> > EXPLAIN select * from pg_class;
> > EXPLAIN VERBOSE select * from pg_class;
> > EXPLAIN VERBOSE 1 select * from pg_class;
> > EXPLAIN VERBOSE 5 select * from pg_class;
>
> Seems kinda ugly. But maybe same idea with repeated VERBOSE,
> a la some Unix commands ("more -v's get you more detail"):
>
> EXPLAIN [ANALYZE] [VERBOSE] [ VERBOSE ... ] statement;
>
> I'd sugggest
>
> EXPLAIN select * from pg_class;
>
> Default output: same as now
>
> EXPLAIN VERBOSE select * from pg_class;
>
> Add prettyprinted qual clauses
>
> EXPLAIN VERBOSE VERBOSE select * from pg_class;
>
> Add full plan-tree dump
>
> and there's room for expansion if we need it.
I was never a fan of the -v -v more-verbose options, and I don't see any
case where we use such behavior in our code. We do use detail levels
for debug, and that is fairly common.
How about:
> > EXPLAIN select * from pg_class;
> > EXPLAIN VERBOSE select * from pg_class;
> > EXPLAIN LEVEL 1 select * from pg_class;
> > EXPLAIN LEVEL 5 select * from pg_class;
Here I use LEVEL to tell how much detail you want.
-- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610)
853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill,
Pennsylvania19026
