使用准備好的語句的結果作為查詢中的臨時表

Question

如果我有准備好的語句的輸出； 如何使用它作為查詢的來源？

CALL `myProcedure`;

PREPARE stmnt FROM @allSQL;

EXECUTE stmnt;

DEALLOCATE PREPARE stmnt;

因此，我從EXECUTE stmnt;獲得了輸出EXECUTE stmnt; （我們稱它為tmp ），我想按照以下方式運行查詢：

SELECT * FROM (EXECUTE stmnt) AS tmp WHERE this = that;

Answer 1

您可以准備一個包含查詢結果的CREATE TEMPORARY TABLE語句：

SET @createSQL = CONCAT('CREATE TEMPORARY TABLE tmp AS ', @allSQL);
PREPARE stmt FROM @createSQL;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;

SELECT * FROM tmp WHERE this = that;