diff options
Diffstat (limited to 'src/include/access/xlog_internal.h')
| -rw-r--r-- | src/include/access/xlog_internal.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/include/access/xlog_internal.h b/src/include/access/xlog_internal.h index 954114f0d54..a1452b82b8e 100644 --- a/src/include/access/xlog_internal.h +++ b/src/include/access/xlog_internal.h @@ -239,6 +239,14 @@ struct XLogRecord; * This struct must be kept in sync with the PG_RMGR definition in * rmgr.c. * + * rm_identify must return a name for the record based on xl_info (without + * reference to the rmid). For example, XLOG_BTREE_VACUUM would be named + * "VACUUM". rm_desc can then be called to obtain additional detail for the + * record, if available (e.g. the last block). + * + * The return value from rm_identify is a pointer to a statically allocated + * buffer, and only valid until the next invocation of the callback. + * * RmgrTable[] is indexed by RmgrId values (see rmgrlist.h). */ typedef struct RmgrData @@ -246,6 +254,7 @@ typedef struct RmgrData const char *rm_name; void (*rm_redo) (XLogRecPtr lsn, struct XLogRecord *rptr); void (*rm_desc) (StringInfo buf, struct XLogRecord *rptr); + const char *(*rm_identify) (uint8 info); void (*rm_startup) (void); void (*rm_cleanup) (void); } RmgrData; |