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Added support of null keys in HEAP tables

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Added ORDER BY optimization
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monty@tik.mysql.fi
2002-01-12 15:42:54 +02:00
parent 47408baac6
commit 7dd4eb71fe
31 changed files with 547 additions and 148 deletions
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heap/heapdef.h
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@ -70,6 +70,7 @@ extern int _hp_rec_key_cmp(HP_KEYDEF *keydef,const byte *rec1,
extern int _hp_key_cmp(HP_KEYDEF *keydef,const byte *rec,
const byte *key);
extern void _hp_make_key(HP_KEYDEF *keydef,byte *key,const byte *rec);
extern my_bool hp_if_null_in_key(HP_KEYDEF *keyinfo, const byte *record);
extern int _hp_close(register HP_INFO *info);
extern void _hp_clear(HP_SHARE *info);