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Diffstat (limited to '')
| -rw-r--r-- | src/include/replication/logicalrelation.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/include/replication/logicalrelation.h b/src/include/replication/logicalrelation.h new file mode 100644 index 0000000..78cd7e7 --- /dev/null +++ b/src/include/replication/logicalrelation.h @@ -0,0 +1,50 @@ +/*------------------------------------------------------------------------- + * + * logicalrelation.h + * Relation definitions for logical replication relation mapping. + * + * Portions Copyright (c) 2016-2022, 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 void logicalrep_partmap_reset_relmap(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); + +#endif /* LOGICALRELATION_H */ |