mirror/postgresql
2
0
Fork 0
mirror of https://git.postgresql.org/git/postgresql.git synced 2025-01-06 15:24:56 +08:00
Code Issues Packages Projects Releases Wiki Activity

Make pg_tablespace_location(0) return the database's default tablespace.

Browse Source 
This definition is convenient when applying the function to the
reltablespace column of pg_class, since that's what zero means there;
and it doesn't interfere with any other plausible use of the function.
Per gripe from Bruce Momjian.
This commit is contained in:
Tom Lane 2012-04-10 21:42:46 -04:00
parent 38458e4573
commit 3769fa5fc6
1 changed files with 9 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/backend/utils/adt/misc.c
View File

@ -335,7 +335,15 @@ pg_tablespace_location(PG_FUNCTION_ARGS)
int rllen;
/*
* Return empty string for our default tablespaces
* It's useful to apply this function to pg_class.reltablespace, wherein
* zero means "the database's default tablespace". So, rather than
* throwing an error for zero, we choose to assume that's what is meant.
*/
if (tablespaceOid == InvalidOid)
tablespaceOid = MyDatabaseTableSpace;
/*
* Return empty string for the cluster's default tablespaces
*/
if (tablespaceOid == DEFAULTTABLESPACE_OID ||
tablespaceOid == GLOBALTABLESPACE_OID)