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Remove psql's ancient hack that suppressed functions taking or returning

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cstring from the output of \df.  Now that the default behavior is to
exclude all system functions, the de-cluttering rationale for this behavior
seems pretty weak; and it was always quite confusing/unhelpful if you were
actually looking for I/O functions.  (Not to mention if you were looking
for encoding converters or other cases that might take or return cstring.)
This commit is contained in:
Tom Lane
2009-04-08 22:29:30 +00:00
parent e0daf7fc3c
commit 4703250a76
2 changed files with 6 additions and 22 deletions
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18
src/bin/psql/describe.c
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@ -8,7 +8,7 @@
*
* Copyright (c) 2000-2009, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/bin/psql/describe.c,v 1.207 2009/04/04 00:44:30 tgl Exp $
* $PostgreSQL: pgsql/src/bin/psql/describe.c,v 1.208 2009/04/08 22:29:30 tgl Exp $
*/
#include "postgres_fe.h"
@ -274,13 +274,7 @@ describeFunctions(const char *pattern, bool verbose, bool showSystem)
appendPQExpBuffer(&buf,
" LEFT JOIN pg_catalog.pg_language l ON l.oid = p.prolang\n");
/*
* we skip in/out funcs by excluding functions that take or return cstring
*/
appendPQExpBuffer(&buf,
"WHERE p.prorettype <> 'pg_catalog.cstring'::pg_catalog.regtype\n"
" AND p.proargtypes[0] IS DISTINCT FROM 'pg_catalog.cstring'::pg_catalog.regtype\n"
" AND NOT p.proisagg\n");
appendPQExpBuffer(&buf, "WHERE NOT p.proisagg\n");
if (!showSystem && !pattern)
appendPQExpBuffer(&buf, " AND n.nspname <> 'pg_catalog'\n"
@ -643,7 +637,7 @@ objectDescription(const char *pattern, bool showSystem)
"n.nspname", "p.proname", NULL,
"pg_catalog.pg_function_is_visible(p.oid)");
/* Function descriptions (except in/outs for datatypes) */
/* Function descriptions */
appendPQExpBuffer(&buf,
"UNION ALL\n"
" SELECT p.oid as oid, p.tableoid as tableoid,\n"
@ -652,11 +646,7 @@ objectDescription(const char *pattern, bool showSystem)
" CAST('%s' AS pg_catalog.text) as object\n"
" FROM pg_catalog.pg_proc p\n"
" LEFT JOIN pg_catalog.pg_namespace n ON n.oid = p.pronamespace\n"
" WHERE p.prorettype <> 'pg_catalog.cstring'::pg_catalog.regtype\n"
" AND (p.proargtypes[0] IS NULL\n"
" OR p.proargtypes[0] <> 'pg_catalog.cstring'::pg_catalog.regtype)\n"
" AND NOT p.proisagg\n",
" WHERE NOT p.proisagg\n",
gettext_noop("function"));
if (!showSystem && !pattern)