greenplumn seqdesc 源码
greenplumn seqdesc 代码
文件路径：/src/backend/access/rmgrdesc/seqdesc.c
/*-------------------------------------------------------------------------
*
* seqdesc.c
* rmgr descriptor routines for commands/sequence.c
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* src/backend/access/rmgrdesc/seqdesc.c
*
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#include "commands/sequence.h"
void
seq_desc(StringInfo buf, XLogReaderState *record)
{
char *rec = XLogRecGetData(record);
uint8 info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
xl_seq_rec *xlrec = (xl_seq_rec *) rec;
if (info == XLOG_SEQ_LOG)
appendStringInfo(buf, "rel %u/%u/%u",
xlrec->node.spcNode, xlrec->node.dbNode,
xlrec->node.relNode);
}
const char *
seq_identify(uint8 info)
{
const char *id = NULL;
switch (info & ~XLR_INFO_MASK)
{
case XLOG_SEQ_LOG:
id = "LOG";
break;
}
return id;
}
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