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

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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");