diff options
| author | Tom Lane | 2004-06-21 04:06:07 +0000 |
|---|---|---|
| committer | Tom Lane | 2004-06-21 04:06:07 +0000 |
| commit | f5f448fb3e6896584a240ca8e5c2fd616212fbf6 (patch) | |
| tree | 6ac568df532f483d2f6777b7bd981f5c28f59c8d /src/backend/commands/tablespace.c | |
| parent | 483b7f8249f14133899057c7f6e6378b497c064e (diff) | |
Rename the built-in tablespaces to pg_default and pg_global, and prohibit
creation of user-defined tablespaces with names starting with 'pg_', as
per suggestion of Chris K-L. Also install admin-guide tablespace
documentation from Gavin.
Diffstat (limited to 'src/backend/commands/tablespace.c')
| -rw-r--r-- | src/backend/commands/tablespace.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/src/backend/commands/tablespace.c b/src/backend/commands/tablespace.c index d00c01ce17a..61e36d5b5c2 100644 --- a/src/backend/commands/tablespace.c +++ b/src/backend/commands/tablespace.c @@ -19,8 +19,8 @@ * Thus the full path to an arbitrary file is * $PGDATA/pg_tblspc/spcoid/dboid/relfilenode * - * There are two tablespaces created at initdb time: global (for shared - * tables) and default (for everything else). For backwards compatibility + * There are two tablespaces created at initdb time: pg_global (for shared + * tables) and pg_default (for everything else). For backwards compatibility * and to remain functional on platforms without symlinks, these tablespaces * are accessed specially: they are respectively * $PGDATA/global/relfilenode @@ -45,7 +45,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/commands/tablespace.c,v 1.2 2004/06/21 01:04:42 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/commands/tablespace.c,v 1.3 2004/06/21 04:06:06 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -234,6 +234,17 @@ CreateTableSpace(CreateTableSpaceStmt *stmt) location))); /* + * Disallow creation of tablespaces named "pg_xxx"; we reserve this + * namespace for system purposes. + */ + if (!allowSystemTableMods && IsReservedName(stmt->tablespacename)) + ereport(ERROR, + (errcode(ERRCODE_RESERVED_NAME), + errmsg("unacceptable tablespace name \"%s\"", + stmt->tablespacename), + errdetail("The prefix \"pg_\" is reserved for system tablespaces."))); + + /* * Check that there is no other tablespace by this name. (The * unique index would catch this anyway, but might as well give * a friendlier message.) |