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Further work on connecting the free space map (which is still just a
stub) into the rest of the system. Adopt a cleaner approach to preventing deadlock in concurrent heap_updates: allow RelationGetBufferForTuple to select any page of the rel, and put the onus on it to lock both buffers in a consistent order. Remove no-longer-needed isExtend hack from API of ReleaseAndReadBuffer.
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@ -6,7 +6,7 @@
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* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Header: /cvsroot/pgsql/src/backend/access/transam/xlogutils.c,v 1.15 2001/03/22 03:59:18 momjian Exp $
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* $Header: /cvsroot/pgsql/src/backend/access/transam/xlogutils.c,v 1.16 2001/06/29 21:08:24 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -171,6 +171,7 @@ XLogOpenLogRelation(void)
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sprintf(RelationGetPhysicalRelationName(logRelation), "pg_log");
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logRelation->rd_node.tblNode = InvalidOid;
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logRelation->rd_node.relNode = RelOid_pg_log;
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logRelation->rd_targblock = InvalidBlockNumber;
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logRelation->rd_fd = -1;
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logRelation->rd_fd = smgropen(DEFAULT_SMGR, logRelation, false);
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if (logRelation->rd_fd < 0)
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@ -384,6 +385,7 @@ XLogOpenRelation(bool redo, RmgrId rmid, RelFileNode rnode)
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hentry->rdesc = res;
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res->reldata.rd_targblock = InvalidBlockNumber;
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res->reldata.rd_fd = -1;
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res->reldata.rd_fd = smgropen(DEFAULT_SMGR, &(res->reldata),
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true /* allow failure */ );
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