Re: Re: pgindent timing (was Re: [COMMITTERS] pgsql: Refactor NUM_cache_remove calls in error report path to a PG_TRY) - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: Re: pgindent timing (was Re: [COMMITTERS] pgsql: Refactor NUM_cache_remove calls in error report path to a PG_TRY)
Date
Msg-id 200908112314.n7BNEjR16126@momjian.us
Whole thread Raw
In response to Re: Re: pgindent timing (was Re: [COMMITTERS] pgsql: Refactor NUM_cache_remove calls in error report path to a PG_TRY)  (Alvaro Herrera <alvherre@commandprompt.com>)
List pgsql-hackers
Alvaro Herrera wrote:
> Andrew Dunstan escribi?:
> > 
> > 
> > Tom Lane wrote:
> > >Andrew Dunstan <andrew@dunslane.net> writes:
> > >>Robert Haas wrote:
> > >>>Where it really bit me as when it reindented the DATA() statements
> > >>>that were touched by ALTER TABLE ... SET STATISTICS DISTINCT.  It's
> > >>>not so hard to compare code, but comparing DATA() lines is the pits.
> > >
> > >>Oh? Maybe that's a problem we need to address more directly. I
> > >>just looked at what it did to the DATA lines - it seems to have
> > >>changed 501 of them, and all the changes seem to be to do with
> > >>tabbing.
> > >
> > >That's interesting --- the whitespace in those macros has always been
> > >wildly inconsistent, so I assumed pgindent wasn't touching them at all.
> > >I wonder what it thinks it's doing...
> > 
> > Here's the extract attached.  I replace tabs with a literal '\t' so
> > I could see what it was doing. I can't make much head or tail of it
> > either.
> 
> pgindent uses entab/detab, which counts spaces and replaces them with
> tabs.  It is wildly undocumented.  See src/tools/entab

I am not sure what documentation you want for it that isn't already
there.  There is an entab.man, and it is mentioned in the developer's
FAQ, and it understands 'entab -h' for help.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + If your life is a hard drive, Christ can be your backup. +


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