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Improve psql's \df slash command to include the argument names and modes 

(OUT or INOUT) of the function. Patch from David Fetter, editorialization
by Neil Conway.
This commit is contained in:
Neil Conway 2006-07-17 00:21:23 +00:00
parent c1e59cc5d9
commit d77f73eb2a
1 changed files with 30 additions and 3 deletions
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33
src/bin/psql/describe.c
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@ -3,7 +3,7 @@
*
* Copyright (c) 2000-2006, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/bin/psql/describe.c,v 1.140 2006/06/14 16:49:02 tgl Exp $
* $PostgreSQL: pgsql/src/bin/psql/describe.c,v 1.141 2006/07/17 00:21:23 neilc Exp $
*/
#include "postgres_fe.h"
#include "describe.h"
@ -170,8 +170,35 @@ describeFunctions(const char *pattern, bool verbose)
"SELECT n.nspname as \"%s\",\n"
" p.proname as \"%s\",\n"
" CASE WHEN p.proretset THEN 'setof ' ELSE '' END ||\n"
" pg_catalog.format_type(p.prorettype, NULL) as \"%s\",\n"
" pg_catalog.oidvectortypes(p.proargtypes) as \"%s\"",
" pg_catalog.format_type(p.prorettype, NULL) as \"%s\",\n"
" CASE WHEN proallargtypes IS NOT NULL THEN\n"
" pg_catalog.array_to_string(ARRAY(\n"
" SELECT\n"
" CASE\n"
" WHEN p.proargmodes[s.i] = 'i' THEN ''\n"
" WHEN p.proargmodes[s.i] = 'o' THEN 'OUT '\n"
" WHEN p.proargmodes[s.i] = 'b' THEN 'INOUT '\n"
" END ||\n"
" CASE\n"
" WHEN COALESCE(p.proargnames[s.i], '') = '' THEN ''\n"
" ELSE p.proargnames[s.i] || ' ' \n"
" END ||\n"
" pg_catalog.format_type(p.proallargtypes[s.i], NULL)\n"
" FROM\n"
" pg_catalog.generate_series(1, pg_catalog.array_upper(p.proallargtypes, 1)) AS s(i)\n"
" ), ', ')\n"
" ELSE\n"
" pg_catalog.array_to_string(ARRAY(\n"
" SELECT\n"
" CASE\n"
" WHEN COALESCE(p.proargnames[s.i+1], '') = '' THEN ''\n"
" ELSE p.proargnames[s.i+1] || ' '\n"
" END ||\n"
" pg_catalog.format_type(p.proargtypes[s.i], NULL)\n"
" FROM\n"
" pg_catalog.generate_series(0, pg_catalog.array_upper(p.proargtypes, 1)) AS s(i)\n"
" ), ', ')\n"
" END AS \"%s\"",
_("Schema"), _("Name"), _("Result data type"),
_("Argument data types"));