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Get rid of pg_class.reltoastidxid.

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Treat TOAST index just the same as normal one and get the OID
of TOAST index from pg_index but not pg_class.reltoastidxid.
This change allows us to handle multiple TOAST indexes, and
which is required infrastructure for upcoming
REINDEX CONCURRENTLY feature.

Patch by Michael Paquier, reviewed by Andres Freund and me.
This commit is contained in:
Fujii Masao
2013-07-04 03:24:09 +09:00
parent f71939cd1a
commit 2ef085d0e6
21 changed files with 333 additions and 163 deletions
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5
src/backend/rewrite/rewriteDefine.c
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@ -579,8 +579,8 @@ DefineQueryRewrite(char *rulename,
/*
* Fix pg_class entry to look like a normal view's, including setting
* the correct relkind and removal of reltoastrelid/reltoastidxid of
* the toast table we potentially removed above.
* the correct relkind and removal of reltoastrelid of the toast table
* we potentially removed above.
*/
classTup = SearchSysCacheCopy1(RELOID, ObjectIdGetDatum(event_relid));
if (!HeapTupleIsValid(classTup))
@ -592,7 +592,6 @@ DefineQueryRewrite(char *rulename,
classForm->reltuples = 0;
classForm->relallvisible = 0;
classForm->reltoastrelid = InvalidOid;
classForm->reltoastidxid = InvalidOid;
classForm->relhasindex = false;
classForm->relkind = RELKIND_VIEW;
classForm->relhasoids = false;