diff options
Diffstat (limited to 'include/myisam.h')
| -rw-r--r-- | include/myisam.h | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/include/myisam.h b/include/myisam.h index 6a76a298dee..e49446769dc 100644 --- a/include/myisam.h +++ b/include/myisam.h @@ -34,22 +34,16 @@ extern "C" { #include <mysql/plugin.h> /* - There is a hard limit for the maximum number of keys as there are only - 8 bits in the index file header for the number of keys in a table. - This means that 0..255 keys can exist for a table. The idea of - MI_MAX_POSSIBLE_KEY is to ensure that one can use myisamchk & tools on - a MyISAM table for which one has more keys than MyISAM is normally - compiled for. If you don't have this, you will get a core dump when - running myisamchk compiled for 128 keys on a table with 255 keys. + Limit max keys according to HA_MAX_POSSIBLE_KEY */ -#define MI_MAX_POSSIBLE_KEY 255 /* For myisam_chk */ -#if MAX_INDEXES > MI_MAX_POSSIBLE_KEY -#define MI_MAX_KEY MI_MAX_POSSIBLE_KEY /* Max allowed keys */ + +#if MAX_INDEXES > HA_MAX_POSSIBLE_KEY +#define MI_MAX_KEY HA_MAX_POSSIBLE_KEY /* Max allowed keys */ #else #define MI_MAX_KEY MAX_INDEXES /* Max allowed keys */ #endif -#define MI_MAX_POSSIBLE_KEY_BUFF (1024+6+6) /* For myisam_chk */ +#define MI_MAX_POSSIBLE_KEY_BUFF HA_MAX_POSSIBLE_KEY_BUFF /* The following defines can be increased if necessary. But beware the dependency of MI_MAX_POSSIBLE_KEY_BUFF and MI_MAX_KEY_LENGTH. @@ -69,8 +63,6 @@ extern "C" { #define MI_MIN_KEY_BLOCK_LENGTH 1024 /* Min key block length */ #define MI_MAX_KEY_BLOCK_LENGTH 16384 -#define mi_portable_sizeof_char_ptr 8 - /* In the following macros '_keyno_' is 0 .. keys-1. If there can be more keys than bits in the key_map, the highest bit @@ -256,8 +248,6 @@ typedef struct st_columndef /* column information */ #endif } MI_COLUMNDEF; -/* invalidator function reference for Query Cache */ -typedef void (* invalidator_by_filename)(const char * filename); extern char * myisam_log_filename; /* Name of logfile */ extern ulong myisam_block_size; @@ -310,7 +300,7 @@ extern int mi_delete_all_rows(struct st_myisam_info *info); extern ulong _mi_calc_blob_length(uint length , const uchar *pos); extern uint mi_get_pointer_length(ulonglong file_length, uint def); -/* this is used to pass to mysql_myisamchk_table -- by Sasha Pachev */ +/* this is used to pass to mysql_myisamchk_table */ #define MYISAMCHK_REPAIR 1 /* equivalent to myisamchk -r */ #define MYISAMCHK_VERIFY 2 /* Verify, run repair if failure */ @@ -431,8 +421,8 @@ typedef struct st_mi_check_param ulonglong unique_count[MI_MAX_KEY_SEG+1]; ulonglong notnull_count[MI_MAX_KEY_SEG+1]; - ha_checksum key_crc[MI_MAX_POSSIBLE_KEY]; - ulong rec_per_key_part[MI_MAX_KEY_SEG*MI_MAX_POSSIBLE_KEY]; + ha_checksum key_crc[HA_MAX_POSSIBLE_KEY]; + ulong rec_per_key_part[MI_MAX_KEY_SEG*HA_MAX_POSSIBLE_KEY]; void *thd; const char *db_name, *table_name; const char *op_name; |