diff options
Diffstat (limited to 'sql/ha_innobase.h')
| -rw-r--r-- | sql/ha_innobase.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sql/ha_innobase.h b/sql/ha_innobase.h index bcd11b8a96e..3c3025c39c1 100644 --- a/sql/ha_innobase.h +++ b/sql/ha_innobase.h @@ -101,8 +101,11 @@ class ha_innobase: public handler a secondary key record must also contain the primary key value: max key length is therefore set to slightly - less than 1 / 4 of page size which is 16 kB */ - uint max_key_length() const { return 3500; } + less than 1 / 4 of page size which is 16 kB; + but currently MySQL does not work with keys + whose size is > MAX_KEY_LENGTH */ + uint max_key_length() const { return((MAX_KEY_LENGTH <= 3500) ? + MAX_KEY_LENGTH : 3500);} bool fast_key_read() { return 1;} key_map keys_to_use_for_scanning() { return ~(key_map) 0; } bool has_transactions() { return 1;} |