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ha_rows get_quick_record_count(Session *session, SQL_SELECT *select, Table *table, const key_map *keys,ha_rows limit);
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void optimize_keyuse(JOIN *join, DYNAMIC_ARRAY *keyuse_array);
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void add_group_and_distinct_keys(JOIN *join, JoinTable *join_tab);
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void read_cached_record(JoinTable *tab);
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// Create list for using with tempory table
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void init_tmptable_sum_functions(Item_sum **func);