PL/pgSQL 提供了三种形式的 IF 语句 • IF … THEN … END IF • IF … THEN … ELSE … END IF • IF … THEN … ELSIF … THEN … ELSE … END IF 示例代码: DO $$ DECLARE i INTEGER := 3; j INTEGER := 3; BEGIN IF i > j THEN RAISE NOTICE'i 大于 j'; ELSIF i < j TH...
否则为第二个 IF CALCULATED = 0 THEN --判断是否为最大值,最大值时为第一个条件,无需加AND IF SIGNS = SI_MAX THEN CONDITIONS := CONDITIONS || F_ALI || L_ID || '.' || CURRENT_VALUE; ELSE CONDITIONS := CONDITIONS || 'AND ' || F_ALI || L_ID || '.' || CURRENT_VALUE;...
存储过程体包含了在过程调用时必须执行的语句,例如:dml、ddl语句,if-then-else和while-do语句、声明变量的declare语句等 过程体格式:以begin开始,以end结束(可嵌套) BEGIN BEGINBEGINstatements;END END END 1. 2. 3. 4. 5. 6. 7. 4、实操 4.1、关于参数 Create Procedure 存储过程名([[IN|OUT|INOUT]参...
DELIMITER // CREATE PROCEDURE ProcessData(IN input INT) BEGIN IF input > 10 THEN SELECT 'Input is greater than 10'; ELSEIF input = 10 THEN SELECT 'Input is equal to 10'; ELSE SELECT 'Input is less than 10'; END IF; END // DELIMITER ; ...
IF x > 0 THEN RETURN; @@ -130,7 +134,7 @@ public function getCreateStoredProcedureQuery(Plugins_DeliveryLog $component) -- we could get a unique-key failure BEGIN INSERT INTO ' . $tableName . ' VALUES ('. $this->_getSPValuesList($component) . ', cnt);...
CREATE PROCEDURE getUser(IN _name VARCHAR(50), IN _age INT, IN _gender VARCHAR(10)) BEGIN IF _name IS NOT NULL THEN SELECT * FROM users WHERE name = _name; ELSEIF _age IS NOT NULL THEN SELECT * FROM users WHERE age = _age; ...
CREATEPROCEDURE[fooBar]@inputParamINTASBEGINIF@inputParam=1BEGIN...ENDELSEIF@inputParam=3BEGIN...ENDELSEIF@inputParam=3BEGIN...ENDEND Is there any other ways? For example, inC#I shoud useswitch-caseblock. SELECT CASEStatement. You can then later create simple if then's that...
In my stored procedure I am searching for a value in the table. If the value already exists then I should not insert value. so I have written IF EXISTS (SELECT TOP 1 * FROM Tag WHERE TagName=@tag) BEGIN print 1; END print 2; /* INSERT INTO Tag SELECT @tag FROM #temptag SELECT...
CREATE PROCEDURE order_products(IN in_user_id INT, IN in_order_prefix VARCHAR(100), IN in_user_region VARCHAR(100), IN in_order_id INT) BEGIN -- Copy current shopping cart values of the user to table 'customer_orders' IF in_user_region = 'Europe' THEN INSERT INTO customer_ord...
(StatusId in (Select * From fun_GetStatusId(@StatusList))) but what i am trying to do is i want to check **if@ProductList='' and@statusList='' then ** begin ** Condition 1** end **else if@ProductList!='' and@statusList='' then ** ...