diff options
Diffstat (limited to 'src/include/storage/lock.h')
| -rw-r--r-- | src/include/storage/lock.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/include/storage/lock.h b/src/include/storage/lock.h index 986bb6433a0..5dc7f873680 100644 --- a/src/include/storage/lock.h +++ b/src/include/storage/lock.h @@ -139,6 +139,7 @@ typedef enum LockTagType { LOCKTAG_RELATION, /* whole relation */ LOCKTAG_RELATION_EXTEND, /* the right to extend a relation */ + LOCKTAG_DATABASE_FROZEN_IDS, /* pg_database.datfrozenxid */ LOCKTAG_PAGE, /* one page of a relation */ LOCKTAG_TUPLE, /* one physical tuple */ LOCKTAG_TRANSACTION, /* transaction (for waiting for xact done) */ @@ -195,6 +196,15 @@ typedef struct LOCKTAG (locktag).locktag_type = LOCKTAG_RELATION_EXTEND, \ (locktag).locktag_lockmethodid = DEFAULT_LOCKMETHOD) +/* ID info for frozen IDs is DB OID */ +#define SET_LOCKTAG_DATABASE_FROZEN_IDS(locktag,dboid) \ + ((locktag).locktag_field1 = (dboid), \ + (locktag).locktag_field2 = 0, \ + (locktag).locktag_field3 = 0, \ + (locktag).locktag_field4 = 0, \ + (locktag).locktag_type = LOCKTAG_DATABASE_FROZEN_IDS, \ + (locktag).locktag_lockmethodid = DEFAULT_LOCKMETHOD) + /* ID info for a page is RELATION info + BlockNumber */ #define SET_LOCKTAG_PAGE(locktag,dboid,reloid,blocknum) \ ((locktag).locktag_field1 = (dboid), \ |