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af5ced9cfd
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.
25 lines
702 B
C
25 lines
702 B
C
/*-------------------------------------------------------------------------
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*
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* hio.h
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* POSTGRES heap access method input/output definitions.
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*
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*
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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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* $Id: hio.h,v 1.19 2001/06/29 21:08:25 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef HIO_H
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#define HIO_H
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#include "access/htup.h"
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extern void RelationPutHeapTuple(Relation relation, Buffer buffer,
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HeapTuple tuple);
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extern Buffer RelationGetBufferForTuple(Relation relation, Size len,
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Buffer otherBuffer);
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#endif /* HIO_H */
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