mysql的SQL_CALC_FOUND_ROWS 使用

SQL_CALC_FOUND_ROWS是指在執行帶LIMIT的查詢時，附帶統計一下若是不加LIMIT的話將會輸出多少條結果。測試 eg: SELECT SQL_CALC_FOUND_ROWS * FROM `table_a` LEFT JOIN `table_b` on `table_a`.id = `table_b`.a_id GROUP BY `table_a`.id ORDER BY `ct

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