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Remove spclocation field from pg_tablespace

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Instead, add a function pg_tablespace_location(oid) used to return
the same information, and do this by reading the symbolic link.

Doing it this way makes it possible to relocate a tablespace when the
database is down by simply changing the symbolic link.
This commit is contained in:
Magnus Hagander
2011-12-07 10:35:00 +01:00
parent c6e3ac11b6
commit 16d8e594ac
13 changed files with 114 additions and 40 deletions
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src/backend/commands/tablespace.c
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@@ -314,8 +314,6 @@ CreateTableSpace(CreateTableSpaceStmt *stmt)
DirectFunctionCall1(namein, CStringGetDatum(stmt->tablespacename));
values[Anum_pg_tablespace_spcowner - 1] =
ObjectIdGetDatum(ownerId);
values[Anum_pg_tablespace_spclocation - 1] =
CStringGetTextDatum(location);
nulls[Anum_pg_tablespace_spcacl - 1] = true;
nulls[Anum_pg_tablespace_spcoptions - 1] = true;