diff options
Diffstat (limited to 'storage')
| -rw-r--r-- | storage/innobase/include/univ.i | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/storage/innobase/include/univ.i b/storage/innobase/include/univ.i index 71c75469ee9..3394fc576cb 100644 --- a/storage/innobase/include/univ.i +++ b/storage/innobase/include/univ.i @@ -303,11 +303,17 @@ management to ensure correct alignment for doubles etc. */ /* Maximum number of parallel threads in a parallelized operation */ #define UNIV_MAX_PARALLELISM 32 -/* The maximum length of a table name. This is the MySQL limit and is -defined in mysql_com.h like NAME_CHAR_LEN*SYSTEM_CHARSET_MBMAXLEN, the -number does not include a terminating '\0'. InnoDB probably can handle -longer names internally */ -#define MAX_TABLE_NAME_LEN 192 +/** This is the "mbmaxlen" for my_charset_filename (defined in +strings/ctype-utf8.c), which is used to encode File and Database names. */ +#define FILENAME_CHARSET_MAXNAMLEN 5 + +/** The maximum length of an encode table name in bytes. The max +table and database names are NAME_CHAR_LEN (64) characters. After the +encoding, the max length would be NAME_CHAR_LEN (64) * +FILENAME_CHARSET_MAXNAMLEN (5) = 320 bytes. The number does not include a +terminating '\0'. InnoDB can handle longer names internally */ +#define MAX_TABLE_NAME_LEN 320 + /* The maximum length of a database name. Like MAX_TABLE_NAME_LEN this is the MySQL's NAME_LEN, see check_and_convert_db_name(). */ |