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Have \d show child tables that inherit from the specified parent 

As per discussion, \d shows only the number of child tables, because that
could be hundreds, when used for partitioning.  \d+ shows the actual list.

Author: Damien Clochard <damien@dalibo.info>
This commit is contained in:
Peter Eisentraut 2009-07-03 18:56:50 +00:00
parent 53fa850c80
commit e2b42aef53
1 changed files with 39 additions and 1 deletions
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40
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 1.218 2009/06/13 13:43:34 petere Exp $
* $PostgreSQL: pgsql/src/bin/psql/describe.c,v 1.219 2009/07/03 18:56:50 petere Exp $
*/
#include "postgres_fe.h"
@ -1814,6 +1814,44 @@ describeOneTableDetails(const char *schemaname,
}
PQclear(result);
/* print child tables */
printfPQExpBuffer(&buf, "SELECT c.oid::pg_catalog.regclass FROM pg_catalog.pg_class c, pg_catalog.pg_inherits i WHERE c.oid=i.inhrelid AND i.inhparent = '%s' ORDER BY c.oid::pg_catalog.regclass;", oid);
result = PSQLexec(buf.data, false);
if (!result)
goto error_return;
else
tuples = PQntuples(result);
if (!verbose)
{
/* print the number of child tables, if any */
if (tuples > 0)
{
printfPQExpBuffer(&buf, _("Number of child tables: %d (Use \\d+ to list them.)"), tuples);
printTableAddFooter(&cont, buf.data);
}
}
else
{
/* display the list of child tables*/
for (i = 0; i < tuples; i++)
{
const char *ct = _("Child tables");
if (i == 0)
printfPQExpBuffer(&buf, "%s: %s", ct, PQgetvalue(result, i, 0));
else
printfPQExpBuffer(&buf, "%*s %s", (int) strlen(ct), "", PQgetvalue(result, i, 0));
if (i < tuples - 1)
appendPQExpBuffer(&buf, ",");
printTableAddFooter(&cont, buf.data);
}
}
PQclear(result);
/* OIDs and options */
if (verbose)
{
const char *s = _("Has OIDs");