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65
bool hash_delete(HASH *hash,uchar *record);
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bool hash_update(HASH *hash,uchar *record,uchar *old_key,size_t old_key_length);
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void hash_replace(HASH *hash, HASH_SEARCH_STATE *state, uchar *new_row);
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#define hash_clear(H) bzero((char*) (H),sizeof(*(H)))
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#define hash_inited(H) ((H)->array.buffer != 0)