diff options
Diffstat (limited to 'src/include/access/xlogrecord.h')
| -rw-r--r-- | src/include/access/xlogrecord.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/include/access/xlogrecord.h b/src/include/access/xlogrecord.h index 0162f93e823..eeb6a30c1c3 100644 --- a/src/include/access/xlogrecord.h +++ b/src/include/access/xlogrecord.h @@ -56,8 +56,8 @@ typedef struct XLogRecord /* * The high 4 bits in xl_info may be used freely by rmgr. The - * XLR_SPECIAL_REL_UPDATE bit can be passed by XLogInsert caller. The rest - * are set internally by XLogInsert. + * XLR_SPECIAL_REL_UPDATE and XLR_CHECK_CONSISTENCY bits can be passed by + * XLogInsert caller. The rest are set internally by XLogInsert. */ #define XLR_INFO_MASK 0x0F #define XLR_RMGR_INFO_MASK 0xF0 @@ -71,6 +71,15 @@ typedef struct XLogRecord #define XLR_SPECIAL_REL_UPDATE 0x01 /* + * Enforces consistency checks of replayed WAL at recovery. If enabled, + * each record will log a full-page write for each block modified by the + * record and will reuse it afterwards for consistency checks. The caller + * of XLogInsert can use this value if necessary, but if + * wal_consistency_checking is enabled for a rmgr this is set unconditionally. + */ +#define XLR_CHECK_CONSISTENCY 0x02 + +/* * Header info for block data appended to an XLOG record. * * 'data_length' is the length of the rmgr-specific payload data associated @@ -137,6 +146,7 @@ typedef struct XLogRecordBlockImageHeader /* Information stored in bimg_info */ #define BKPIMAGE_HAS_HOLE 0x01 /* page image has "hole" */ #define BKPIMAGE_IS_COMPRESSED 0x02 /* page image is compressed */ +#define BKPIMAGE_APPLY 0x04 /* page image should be restored during replay */ /* * Extra header information used when page image has "hole" and |