logicalmsgdesc.c

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/*-------------------------------------------------------------------------
 *
 * logicalmsgdesc.c
 *    rmgr descriptor routines for replication/logical/message.c
 *
 * Portions Copyright (c) 2015-2017, PostgreSQL Global Development Group
 *
 *
 * IDENTIFICATION
 *    src/backend/access/rmgrdesc/logicalmsgdesc.c
 *
 *-------------------------------------------------------------------------
 */
#include "postgres.h"

#include "replication/message.h"

void
logicalmsg_desc(StringInfo buf, XLogReaderState *record)
{
    char       *rec = XLogRecGetData(record);
    uint8       info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;

    if (info == XLOG_LOGICAL_MESSAGE)
    {
        xl_logical_message *xlrec = (xl_logical_message *) rec;

        appendStringInfo(buf, "%s message size %zu bytes",
                         xlrec->transactional ? "transactional" : "nontransactional",
                         xlrec->message_size);
    }
}

const char *
logicalmsg_identify(uint8 info)
{
    if ((info & ~XLR_INFO_MASK) == XLOG_LOGICAL_MESSAGE)
        return "MESSAGE";

    return NULL;
}