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tableam: relation creation, VACUUM FULL/CLUSTER, SET TABLESPACE.

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This moves the responsibility for:
- creating the storage necessary for a relation, including creating a
  new relfilenode for a relation with existing storage
- non-transactional truncation of a relation
- VACUUM FULL / CLUSTER's rewrite of a table
below tableam.

This is fairly straight forward, with a bit of complexity smattered in
to move the computation of xid / multixid horizons below the AM, as
they don't make sense for every table AM.

Author: Andres Freund
Discussion: https://postgr.es/m/20180703070645.wchpu5muyto5n647@alap3.anarazel.de
This commit is contained in:
Andres Freund
2019-03-28 20:01:14 -07:00
parent 7e69323bf7
commit d25f519107
13 changed files with 856 additions and 579 deletions
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3
src/include/utils/relcache.h
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@@ -110,8 +110,7 @@ extern Relation RelationBuildLocalRelation(const char *relname,
/*
* Routine to manage assignment of new relfilenode to a relation
*/
extern void RelationSetNewRelfilenode(Relation relation, char persistence,
TransactionId freezeXid, MultiXactId minmulti);
extern void RelationSetNewRelfilenode(Relation relation, char persistence);
/*
* Routines for flushing/rebuilding relcache entries in various scenarios