mirrors/postgres
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Make psql \d on a sequence show the table/column owning it

Browse Source
This commit is contained in:
Magnus Hagander 2011-11-05 12:54:58 +01:00
parent 039680affb
commit 6f81a1f668
1 changed files with 37 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
src/bin/psql/describe.c
View File

@ -1609,6 +1609,43 @@ describeOneTableDetails(const char *schemaname,
PQclear(result);
}
}
else if (tableinfo.relkind == 'S')
{
/* Footer information about a sequence */
PGresult *result = NULL;
/* Get the column that owns this sequence */
printfPQExpBuffer(&buf, "SELECT pg_catalog.quote_ident(nspname) || '.' ||"
"\n pg_catalog.quote_ident(relname) || '.' ||"
"\n pg_catalog.quote_ident(attname)"
"\nFROM pg_catalog.pg_class c"
"\nINNER JOIN pg_catalog.pg_depend d ON c.oid=d.refobjid"
"\nINNER JOIN pg_catalog.pg_namespace n ON n.oid=c.relnamespace"
"\nINNER JOIN pg_catalog.pg_attribute a ON ("
"\n a.attrelid=c.oid AND"
"\n a.attnum=d.refobjsubid)"
"\nWHERE d.classid='pg_catalog.pg_class'::pg_catalog.regclass"
"\n AND d.refclassid='pg_catalog.pg_class'::pg_catalog.regclass"
"\n AND d.objid=%s"
"\n AND d.deptype='a'",
oid);
result = PSQLexec(buf.data, false);
if (!result)
goto error_return;
else if (PQntuples(result) == 1)
{
printfPQExpBuffer(&buf, _("Owned by: %s"),
PQgetvalue(result, 0, 0));
printTableAddFooter(&cont, buf.data);
}
/*
* If we get no rows back, don't show anything (obviously).
* We should never get more than one row back, but if we do,
* just ignore it and don't print anything.
*/
PQclear(result);
}
else if (tableinfo.relkind == 'r' || tableinfo.relkind == 'f')
{
/* Footer information about a table */