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I was tinkering with creating rules on views (so, for instance, one could

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insert on a view), and noticed that psql wouldn't show the list of rules
set up on a view, like it does for tables.

The fix was extremely simple, so I figured I'd share it.  Not sure what
the standard is for communicating these things, so I've attached the diff
file for /src/bin/psql/describe.c.

Paul (?)
This commit is contained in:
Bruce Momjian 2002-04-05 11:52:38 +00:00
parent 9f20765919
commit aab0b8f5eb
1 changed files with 44 additions and 5 deletions
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49
src/bin/psql/describe.c
View File

@ -3,7 +3,7 @@
*
* Copyright 2000 by PostgreSQL Global Development Group
*
* $Header: /cvsroot/pgsql/src/bin/psql/describe.c,v 1.47 2002/03/20 19:44:45 tgl Exp $
* $Header: /cvsroot/pgsql/src/bin/psql/describe.c,v 1.48 2002/04/05 11:52:38 momjian Exp $
*/
#include "postgres_fe.h"
#include "describe.h"
@ -692,12 +692,51 @@ describeTableDetails(const char *name, bool desc)
}
else if (view_def)
{
PGresult *result = NULL;
int rule_count = 0;
int count_footers = 0;
/* count rules */
if (!error && tableinfo.hasrules)
{
sprintf(buf,
"SELECT r.rulename\n"
"FROM pg_rewrite r, pg_class c\n"
"WHERE c.relname='%s' AND c.oid = r.ev_class\n"
"AND r.rulename NOT LIKE '_RET%%'",
name);
result = PSQLexec(buf);
if (!result)
error = true;
else
rule_count = PQntuples(result);
}
/* Footer information about a view */
footers = xmalloc(2 * sizeof(*footers));
footers[0] = xmalloc(64 + strlen(view_def));
snprintf(footers[0], 64 + strlen(view_def),
footers = xmalloc((rule_count + 2) * sizeof(*footers));
footers[count_footers] = xmalloc(64 + strlen(view_def));
snprintf(footers[count_footers], 64 + strlen(view_def),
_("View definition: %s"), view_def);
footers[1] = NULL;
count_footers++;
/* print rules */
for (i = 0; i < rule_count; i++)
{
char *s = _("Rules");
if (i == 0)
snprintf(buf, sizeof(buf), "%s: %s", s, PQgetvalue(result, i, 0));
else
snprintf(buf, sizeof(buf), "%*s %s", (int) strlen(s), "", PQgetvalue(result, i, 0));
if (i < rule_count - 1)
strcat(buf, ",");
footers[count_footers++] = xstrdup(buf);
}
PQclear(result);
footers[count_footers] = NULL;
}
else if (tableinfo.relkind == 'r')
{