56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
/*-------------------------------------------------------------------------
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*
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* committsdesc.c
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* rmgr descriptor routines for access/transam/commit_ts.c
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*
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* Portions Copyright (c) 1996-2023, 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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*
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* IDENTIFICATION
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* src/backend/access/rmgrdesc/committsdesc.c
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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/commit_ts.h"
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#include "utils/timestamp.h"
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void
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commit_ts_desc(StringInfo buf, XLogReaderState *record)
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{
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char *rec = XLogRecGetData(record);
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uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
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if (info == COMMIT_TS_ZEROPAGE)
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{
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int64 pageno;
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memcpy(&pageno, rec, sizeof(pageno));
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appendStringInfo(buf, "%lld", (long long) pageno);
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}
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else if (info == COMMIT_TS_TRUNCATE)
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{
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xl_commit_ts_truncate *trunc = (xl_commit_ts_truncate *) rec;
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appendStringInfo(buf, "pageno %lld, oldestXid %u",
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(long long) trunc->pageno, trunc->oldestXid);
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}
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}
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const char *
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commit_ts_identify(uint8 info)
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{
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switch (info)
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{
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case COMMIT_TS_ZEROPAGE:
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return "ZEROPAGE";
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case COMMIT_TS_TRUNCATE:
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return "TRUNCATE";
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default:
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return NULL;
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}
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}
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