lsm/mdbtools
1
0
Fork 0
mirror of https://github.com/mdbtools/mdbtools.git synced 2025-09-18 09:50:07 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

fix index counting, from Nirgal Vourgère

Browse Source
This commit is contained in:
Brian Bruns
2011-02-07 21:57:13 -05:00
parent 82b28d6845
commit be2a287f5c
2 changed files with 67 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
HACKING
View File

@@ -316,7 +316,7 @@ next_pg field.
| ???? | 1 byte | col_name_len| len of the name of the column |
| ???? | n bytes | col_name | Name of the column |
+-------------------------------------------------------------------------+
| Iterate for the number of num_real_idx (30+9 = 39 bytes) |
| Iterate for indexes with index_type 0 or 1 (30+9 = 39 bytes) |
+-------------------------------------------------------------------------+
| Iterate 10 times for 10 possible columns (10*3 = 30 bytes) |
+-------------------------------------------------------------------------+
@@ -327,7 +327,7 @@ next_pg field.
| ???? | 4 bytes | first_dp | Data pointer of the index page |
| ???? | 1 byte | flags | See flags table for indexes |
+-------------------------------------------------------------------------+
| Iterate for the number of num_real_idx (20 bytes) |
| Iterate for the number of num_idx (20 bytes) |
+-------------------------------------------------------------------------+
| ???? | 4 bytes | index_num | Number of the index |
| | | |(warn: not always in the sequential order)|
@@ -338,7 +338,7 @@ next_pg field.
| 0x04 | 2 bytes | ??? | |
| ???? | 1 byte | primary_key | 0x01 if this index is primary |
+-------------------------------------------------------------------------+
| Iterate for the number of num_real_idx |
| Iterate for the number of num_idx |
+-------------------------------------------------------------------------+
| ???? | 1 byte | idx_name_len| len of the name of the index |
| ???? | n bytes | idx_name | Name of the index |
@@ -394,7 +394,7 @@ next_pg field.
| ???? | 2 bytes | col_name_len| len of the name of the column |
| ???? | n bytes | col_name | Name of the column (UCS-2 format) |
+-------------------------------------------------------------------------+
| Iterate for the number of num_real_idx (30+22 = 52 bytes) |
| Iterate for indexes with index_type 0 or 1 (30+22 = 52 bytes) |
+-------------------------------------------------------------------------+
| ???? | 4 bytes | ??? | |
+-------------------------------------------------------------------------+
@@ -408,7 +408,7 @@ next_pg field.
| ???? | 1 byte | flags | See flags table for indexes |
| ???? | 9 bytes | unknown | |
+-------------------------------------------------------------------------+
| Iterate for the number of num_real_idx (28 bytes) |
| Iterate for the number of num_idx (28 bytes) |
+-------------------------------------------------------------------------+
| ???? | 4 bytes | unknown | matches first unknown definition block |
| ???? | 4 bytes | index_num | Number of the index |
@@ -421,7 +421,7 @@ next_pg field.
| ???? | 1 byte | primary_key | 0x01 if this index is primary |
| ???? | 4 bytes | unknown | |
+-------------------------------------------------------------------------+
| Iterate for the number of num_real_idx |
| Iterate for the number of num_idx |
+-------------------------------------------------------------------------+
| ???? | 2 bytes | idx_name_len| len of the name of the index |
| ???? | n bytes | idx_name | Name of the index (UCS-2) |