mirror of
https://github.com/postgres/postgres.git
synced 2026-03-02 13:24:01 -05:00
52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
/*-------------------------------------------------------------------------
|
|
*
|
|
* logicalrelation.h
|
|
* Relation definitions for logical replication relation mapping.
|
|
*
|
|
* Portions Copyright (c) 2016-2021, PostgreSQL Global Development Group
|
|
*
|
|
* src/include/replication/logicalrelation.h
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
#ifndef LOGICALRELATION_H
|
|
#define LOGICALRELATION_H
|
|
|
|
#include "access/attmap.h"
|
|
#include "replication/logicalproto.h"
|
|
|
|
typedef struct LogicalRepRelMapEntry
|
|
{
|
|
LogicalRepRelation remoterel; /* key is remoterel.remoteid */
|
|
|
|
/*
|
|
* Validity flag -- when false, revalidate all derived info at next
|
|
* logicalrep_rel_open. (While the localrel is open, we assume our lock
|
|
* on that rel ensures the info remains good.)
|
|
*/
|
|
bool localrelvalid;
|
|
|
|
/* Mapping to local relation. */
|
|
Oid localreloid; /* local relation id */
|
|
Relation localrel; /* relcache entry (NULL when closed) */
|
|
AttrMap *attrmap; /* map of local attributes to remote ones */
|
|
bool updatable; /* Can apply updates/deletes? */
|
|
|
|
/* Sync state. */
|
|
char state;
|
|
XLogRecPtr statelsn;
|
|
} LogicalRepRelMapEntry;
|
|
|
|
extern void logicalrep_relmap_update(LogicalRepRelation *remoterel);
|
|
|
|
extern LogicalRepRelMapEntry *logicalrep_rel_open(LogicalRepRelId remoteid,
|
|
LOCKMODE lockmode);
|
|
extern LogicalRepRelMapEntry *logicalrep_partition_open(LogicalRepRelMapEntry *root,
|
|
Relation partrel, AttrMap *map);
|
|
extern void logicalrep_rel_close(LogicalRepRelMapEntry *rel,
|
|
LOCKMODE lockmode);
|
|
|
|
extern void logicalrep_typmap_update(LogicalRepTyp *remotetyp);
|
|
extern char *logicalrep_typmap_gettypname(Oid remoteid);
|
|
|
|
#endif /* LOGICALRELATION_H */
|