EXECUTE¶

概要¶

EXECUTE statement_name [ USING parameter1 [ , parameter2, ... ] ]

執行名為 statement_name 的預備陳述式。參數值在 USING 子句中定義。

準備和執行不帶參數的查詢

PREPARE my_select1 FROM
SELECT name FROM nation;

EXECUTE my_select1;

準備和執行帶兩個參數的查詢

PREPARE my_select2 FROM
SELECT name FROM nation WHERE regionkey = ? and nationkey < ?;

EXECUTE my_select2 USING 1, 3;

這等同於

SELECT name FROM nation WHERE regionkey = 1 AND nationkey < 3;