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key_cmp -> key_cmp_if_same

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New records_in_range() interface (similar to read_range())
Macros for faster bitmap handling
Simplify read_range() code (#WL1786)
New general key_cmp() function to compare keys
This commit is contained in:
monty@mishka.local 2004-05-16 14:48:32 +03:00
commit 314a8bf114
37 changed files with 408 additions and 463 deletions
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11
myisammrg/myrg_range.c
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@ -16,20 +16,15 @@
#include "myrg_def.h"
ha_rows myrg_records_in_range(MYRG_INFO *info, int inx, const byte *start_key,
uint start_key_len,
enum ha_rkey_function start_search_flag,
const byte *end_key, uint end_key_len,
enum ha_rkey_function end_search_flag)
ha_rows myrg_records_in_range(MYRG_INFO *info, int inx,
key_range *min_key, key_range *max_key)
{
ha_rows records=0, res;
MYRG_TABLE *table;
for (table=info->open_tables ; table != info->end_table ; table++)
{
res=mi_records_in_range(table->table, inx,
start_key, start_key_len, start_search_flag,
end_key, end_key_len, end_search_flag);
res= mi_records_in_range(table->table, inx, min_key, max_key);
if (res == HA_POS_ERROR)
return HA_POS_ERROR;
if (records > HA_POS_ERROR - res)