62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
/*-------------------------------------------------------------------------
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*
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* smgrdesc.c
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* rmgr descriptor routines for catalog/storage.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/smgrdesc.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 "catalog/storage_xlog.h"
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void
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smgr_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 == XLOG_SMGR_CREATE)
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{
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xl_smgr_create *xlrec = (xl_smgr_create *) rec;
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char *path = relpathperm(xlrec->rlocator, xlrec->forkNum);
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appendStringInfoString(buf, path);
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pfree(path);
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}
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else if (info == XLOG_SMGR_TRUNCATE)
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{
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xl_smgr_truncate *xlrec = (xl_smgr_truncate *) rec;
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char *path = relpathperm(xlrec->rlocator, MAIN_FORKNUM);
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appendStringInfo(buf, "%s to %u blocks flags %d", path,
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xlrec->blkno, xlrec->flags);
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pfree(path);
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}
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}
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const char *
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smgr_identify(uint8 info)
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{
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const char *id = NULL;
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switch (info & ~XLR_INFO_MASK)
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{
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case XLOG_SMGR_CREATE:
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id = "CREATE";
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break;
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case XLOG_SMGR_TRUNCATE:
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id = "TRUNCATE";
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break;
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}
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return id;
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}
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