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limit HEAP table size with max_heap_table_size, better estimation for mem_per_row

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heap/hp_create.c:
  limit HEAP table size with max_heap_table_size
heap/hp_write.c:
  limit HEAP table size with max_heap_table_size
include/heap.h:
  limit HEAP table size with max_heap_table_size
sql/ha_heap.cc:
  limit HEAP table size with max_heap_table_size
  better estimation for mem_per_row
This commit is contained in:
unknown
2005-01-14 19:49:45 +01:00
parent 9edcc56cc8
commit b7efd8174a
4 changed files with 28 additions and 13 deletions
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7
include/heap.h
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@ -125,8 +125,8 @@ typedef struct st_hp_keydef /* Key definition with open */
TREE rb_tree;
int (*write_key)(struct st_heap_info *info, struct st_hp_keydef *keyinfo,
const byte *record, byte *recpos);
int (*delete_key)(struct st_heap_info *info, struct st_hp_keydef *keyinfo,
const byte *record, byte *recpos, int flag);
int (*delete_key)(struct st_heap_info *info, struct st_hp_keydef *keyinfo,
const byte *record, byte *recpos, int flag);
uint (*get_key_length)(struct st_hp_keydef *keydef, const byte *key);
} HP_KEYDEF;
@ -135,7 +135,7 @@ typedef struct st_heap_share
HP_BLOCK block;
HP_KEYDEF *keydef;
ulong min_records,max_records; /* Params to open */
ulong data_length,index_length;
ulong data_length,index_length,max_table_size;
uint records; /* records */
uint blength; /* records rounded up to 2^n */
uint deleted; /* Deleted records in database */
@ -185,6 +185,7 @@ typedef struct st_heap_create_info
{
uint auto_key;
uint auto_key_type;
ulong max_table_size;
ulonglong auto_increment;
} HP_CREATE_INFO;