dbasedesc.c File Reference

#include "postgres.h"
#include "commands/dbcommands_xlog.h"
#include "lib/stringinfo.h"

Include dependency graph for dbasedesc.c:

Go to the source code of this file.

Functions
void	dbase_desc (StringInfo buf, XLogReaderState *record)
const char *	dbase_identify (uint8 info)

Function Documentation

dbase_desc()

void dbase_desc	(	StringInfo	buf,
		XLogReaderState *	record
	)

Definition at line 22 of file dbasedesc.c.

{
    char       *rec = XLogRecGetData(record);
    uint8       info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;
 
    if (info == XLOG_DBASE_CREATE_FILE_COPY)
    {
        xl_dbase_create_file_copy_rec *xlrec =
            (xl_dbase_create_file_copy_rec *) rec;
 
        appendStringInfo(buf, "copy dir %u/%u to %u/%u",
                         xlrec->src_tablespace_id, xlrec->src_db_id,
                         xlrec->tablespace_id, xlrec->db_id);
    }
    else if (info == XLOG_DBASE_CREATE_WAL_LOG)
    {
        xl_dbase_create_wal_log_rec *xlrec =
            (xl_dbase_create_wal_log_rec *) rec;
 
        appendStringInfo(buf, "create dir %u/%u",
                         xlrec->tablespace_id, xlrec->db_id);
    }
    else if (info == XLOG_DBASE_DROP)
    {
        xl_dbase_drop_rec *xlrec = (xl_dbase_drop_rec *) rec;
        int         i;
 
        appendStringInfoString(buf, "dir");
        for (i = 0; i < xlrec->ntablespaces; i++)
            appendStringInfo(buf, " %u/%u",
                             xlrec->tablespace_ids[i], xlrec->db_id);
    }
}

References appendStringInfo(), appendStringInfoString(), buf, xl_dbase_create_file_copy_rec::db_id, xl_dbase_create_wal_log_rec::db_id, xl_dbase_drop_rec::db_id, i, xl_dbase_drop_rec::ntablespaces, xl_dbase_create_file_copy_rec::src_db_id, xl_dbase_create_file_copy_rec::src_tablespace_id, xl_dbase_create_file_copy_rec::tablespace_id, xl_dbase_create_wal_log_rec::tablespace_id, xl_dbase_drop_rec::tablespace_ids, XLOG_DBASE_CREATE_FILE_COPY, XLOG_DBASE_CREATE_WAL_LOG, XLOG_DBASE_DROP, XLogRecGetData, XLogRecGetInfo, and XLR_INFO_MASK.

dbase_identify()

const char* dbase_identify

(

uint8

info

)

Definition at line 57 of file dbasedesc.c.

{
    const char *id = NULL;
 
    switch (info & ~XLR_INFO_MASK)
    {
        case XLOG_DBASE_CREATE_FILE_COPY:
            id = "CREATE_FILE_COPY";
            break;
        case XLOG_DBASE_CREATE_WAL_LOG:
            id = "CREATE_WAL_LOG";
            break;
        case XLOG_DBASE_DROP:
            id = "DROP";
            break;
    }
 
    return id;
}

References XLOG_DBASE_CREATE_FILE_COPY, XLOG_DBASE_CREATE_WAL_LOG, XLOG_DBASE_DROP, and XLR_INFO_MASK.