mysql 存储过程

mysql存储过程功能

1、使用临时表，动态游标只能用临时表

2、临时表有多个字段，游标同时有多个参数来接受

3、循环读写数据

4、 如果存在记录就更新记录，如果不存在记录，就插入记录

DELIMITER $$

USE `test_cases`$$

DROP PROCEDURE IF EXISTS `proc_write_report`$$

CREATE DEFINER=`root`@`localhost` PROCEDURE `proc_write_report`(IN p_table_name VARCHAR(80),IN p_class_name VARCHAR(80),IN p_method_name VARCHAR(80),IN p_execution_flag VARCHAR(80))
BEGIN
    
    DECLARE var_class_name VARCHAR(280) DEFAULT NULL;   -- 测试类名
    DECLARE var_method_name VARCHAR(180) DEFAULT NULL;  -- 测试方法名
    DECLARE var_module VARCHAR(180) DEFAULT NULL;  -- 测试模块 中文
    DECLARE var_case_name VARCHAR(180) DEFAULT NULL; -- 测试用例名称 中文
    DECLARE var_pass_amount INT DEFAULT 0;  --  通过用例数量
    DECLARE var_execution_amount INT DEFAULT 0;  --  通过用例数量
    DECLARE var_fail_amount INT DEFAULT 0;  --  失败用例数量
    DECLARE var_fail_reason VARCHAR(2000) DEFAULT NULL;  -- 失败原因
    DECLARE var_fail_type VARCHAR(2000) DEFAULT NULL;  -- 失败类型
    DECLARE var_comment VARCHAR(2000) DEFAULT NULL; -- 备注
    DECLARE var_sql_string VARCHAR(2000) DEFAULT NULL; -- sql 语句
    DECLARE var_sql_temp_table VARCHAR(2000) DEFAULT NULL; -- sql 语句   
    -- 遍历数据结束标志
    DECLARE done INT DEFAULT FALSE; 
    DECLARE cur CURSOR FOR SELECT * FROM tmp_table_result;
    -- 将结束标志绑定到游标
    DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE;    
    -- 游标
    -- DECLARE cur CURSOR FOR SELECT fail_type FROM execution_order_price  WHERE execution_flag = '201606091918' AND test_class = 'com.fc.htgl.testcases.TestOrderPrice' AND test_method = 'testYDOrderPrice' GROUP BY fail_type;
    
    SET @var_cass_name = p_class_name;
    SET @var_method_name = p_method_name;
    -- 删除临时表
    DROP TEMPORARY TABLE IF EXISTS tmp_table_result;    
    
    -- 预处理临时表用的sql语句
    SET @var_sql_temp_table = CONCAT('CREATE TEMPORARY TABLE tmp_table_result ',"select TEST_CLASS,TEST_METHOD,TEST_module_NAME,TEST_case_name,COUNT(*),fail_type,COMMENT from ",p_table_name,"  where execution_flag = '",p_execution_flag,"' and test_class = '",p_class_name,"' and test_method = '",p_method_name,"' group by fail_type");
    -- SET @var_sql_temp_table = CONCAT('CREATE TEMPORARY TABLE tmp_table_result ',"select count(*),fail_type from ",p_table_name,"  where execution_flag = '",p_execution_flag,"' and test_class = '",p_class_name,"' and test_method = '",p_method_name,"' group by fail_type");
    
    -- select @var_sql_temp_table;  
    
    -- 预处理要执行的动态SQL
    PREPARE stmt FROM @var_sql_temp_table;
    --  执行SQL语句
    EXECUTE stmt; 
    -- 释放掉预处理段     
    DEALLOCATE PREPARE stmt; 
    -- select * from tmp_table_result; -- 查询下临时表
    
    -- 打开游标
    OPEN cur;
  
    -- 开始循环
    read_loop: LOOP
        
        -- 提取游标里的数据；
        -- FETCH cur INTO var_execution_amount,var_fail_type;
        FETCH cur INTO var_class_name ,var_method_name,var_module,var_case_name,var_execution_amount,var_fail_type,var_comment;
        -- 声明结束的时候
        IF done THEN
            LEAVE read_loop;
        END IF;
        -- 循环更新插入
        -- select var_class_name ,var_method_name,var_module,var_case_name,var_execution_amount,var_fail_type,var_comment;
        
        -- 获取失败原因 
    
        
        SET @var_sql_string = CONCAT("select distinct actual_result from ",p_table_name," where test_method = '",p_method_name,"' and execution_flag = '",p_execution_flag,"' and test_class = '",p_class_name,"' and is_select = 1 and is_execution = 1 and fail_type = '",var_fail_type,"'");
        -- SELECT  @var_sql_string;
    
        CALL proc_get_table_column_content(@var_sql_string,@var_fail_reason); 
    
        -- 往report表中写结果
        
        IF (SELECT COUNT(*) FROM report  WHERE execution_flag = p_execution_flag
        AND class_name = p_class_name AND method_name = p_method_name  AND fail_type = var_fail_type ) THEN
            -- select '条件存在，update';
            UPDATE report SET class_name = p_class_name, method_name = p_method_name,
            module = var_module, case_name = var_case_name,            
            execution_amount = var_execution_amount, fail_reason = @var_fail_reason, `COMMENT` = var_comment,  `TIME` = NOW()    
            WHERE execution_flag = p_execution_flag  AND class_name = p_class_name  AND method_name = p_method_name  AND fail_type = var_fail_type;
           
        ELSE 
            -- SELECT '条件不存在，insert';
            INSERT  INTO report(execution_flag,class_name,method_name,module,case_name,execution_amount,fail_reason,fail_type,`time`,`comment`) 
            VALUES (p_execution_flag,p_class_name,p_method_name,var_module,var_case_name,var_execution_amount,@var_fail_reason,var_fail_type,NOW(),var_comment);   
        END IF;     
    END LOOP;
    -- 关闭游标
    CLOSE cur;
END$$

DELIMITER ;