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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:15:05 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:15:05 +0000 |
commit | 46651ce6fe013220ed397add242004d764fc0153 (patch) | |
tree | 6e5299f990f88e60174a1d3ae6e48eedd2688b2b /src/include/replication/message.h | |
parent | Initial commit. (diff) | |
download | postgresql-14-46651ce6fe013220ed397add242004d764fc0153.tar.xz postgresql-14-46651ce6fe013220ed397add242004d764fc0153.zip |
Adding upstream version 14.5.upstream/14.5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/include/replication/message.h')
-rw-r--r-- | src/include/replication/message.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/include/replication/message.h b/src/include/replication/message.h new file mode 100644 index 0000000..d3fb324 --- /dev/null +++ b/src/include/replication/message.h @@ -0,0 +1,41 @@ +/*------------------------------------------------------------------------- + * message.h + * Exports from replication/logical/message.c + * + * Copyright (c) 2013-2021, PostgreSQL Global Development Group + * + * src/include/replication/message.h + *------------------------------------------------------------------------- + */ +#ifndef PG_LOGICAL_MESSAGE_H +#define PG_LOGICAL_MESSAGE_H + +#include "access/xlog.h" +#include "access/xlogdefs.h" +#include "access/xlogreader.h" + +/* + * Generic logical decoding message wal record. + */ +typedef struct xl_logical_message +{ + Oid dbId; /* database Oid emitted from */ + bool transactional; /* is message transactional? */ + Size prefix_size; /* length of prefix */ + Size message_size; /* size of the message */ + /* payload, including null-terminated prefix of length prefix_size */ + char message[FLEXIBLE_ARRAY_MEMBER]; +} xl_logical_message; + +#define SizeOfLogicalMessage (offsetof(xl_logical_message, message)) + +extern XLogRecPtr LogLogicalMessage(const char *prefix, const char *message, + size_t size, bool transactional); + +/* RMGR API*/ +#define XLOG_LOGICAL_MESSAGE 0x00 +void logicalmsg_redo(XLogReaderState *record); +void logicalmsg_desc(StringInfo buf, XLogReaderState *record); +const char *logicalmsg_identify(uint8 info); + +#endif /* PG_LOGICAL_MESSAGE_H */ |