2012-11-28 16:35:01 +01:00
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/*-------------------------------------------------------------------------
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*
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* clogdesc.c
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2013-05-29 22:58:43 +02:00
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* rmgr descriptor routines for access/transam/clog.c
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2012-11-28 16:35:01 +01:00
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*
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2013-01-01 23:15:01 +01:00
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* Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group
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2012-11-28 16:35:01 +01:00
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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*
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* IDENTIFICATION
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2013-05-29 22:58:43 +02:00
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* src/backend/access/rmgrdesc/clogdesc.c
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2012-11-28 16:35:01 +01:00
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*
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*-------------------------------------------------------------------------
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*/
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#include "postgres.h"
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#include "access/clog.h"
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void
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clog_desc(StringInfo buf, uint8 xl_info, char *rec)
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{
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uint8 info = xl_info & ~XLR_INFO_MASK;
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if (info == CLOG_ZEROPAGE)
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{
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int pageno;
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memcpy(&pageno, rec, sizeof(int));
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appendStringInfo(buf, "zeropage: %d", pageno);
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}
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else if (info == CLOG_TRUNCATE)
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{
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int pageno;
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memcpy(&pageno, rec, sizeof(int));
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appendStringInfo(buf, "truncate before: %d", pageno);
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}
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else
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appendStringInfo(buf, "UNKNOWN");
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}
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