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

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(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"));