diff options
Diffstat (limited to 'innobase/ibuf/ibuf0ibuf.c')
| -rw-r--r-- | innobase/ibuf/ibuf0ibuf.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/innobase/ibuf/ibuf0ibuf.c b/innobase/ibuf/ibuf0ibuf.c index b4a28d5fcd8..805f08af361 100644 --- a/innobase/ibuf/ibuf0ibuf.c +++ b/innobase/ibuf/ibuf0ibuf.c @@ -48,9 +48,12 @@ insert buffer tree, and that is in the system tablespace of InnoDB. 1. The first field is the space id. 2. The second field is a one-byte marker which differentiates records from the < 4.1.x storage format. -3. The third field contains the type info, where we have also added 2 bytes to - store the charset. -4. The rest of the fields contain the fields of the actual index record. +3. The third field is the page number. +4. The fourth field contains the type info, where we have also added 2 bytes to + store the charset. In the compressed table format of 5.0.x we must add more + information here so that we can build a dummy 'index' struct which 5.0.x + can use in the binary search on the index page in the ibuf merge phase. +5. The rest of the fields contain the fields of the actual index record. */ |