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  • php批量生成mysql触发器定义语句

    简介:这是php批量生成mysql触发器定义语句的详细页面,介绍了和php,有关的知识、技巧、经验,和一些php源码等。

    class='pingjiaF' frameborder='0' src='http://biancheng.dnbcw.info/pingjia.php?id=333669' scrolling='no'>
    <?php
    define('TRIGGER_AFTER_INSERT_SQL',"DELIMITER |
    DROP TRIGGER IF EXISTS %s;
    CREATE TRIGGER %s
    AFTER INSERT ON %s
    FOR EACH ROW BEGIN
        SET @result_set = (select clear_cache());
    END |
    DELIMITER ;\r\n\r\n");
    
    define('TRIGGER_AFTER_UPDATE_SQL',"DELIMITER |
    DROP TRIGGER IF EXISTS %s;
    CREATE TRIGGER %s
    AFTER UPDATE ON %s
    FOR EACH ROW BEGIN
        SET @result_set = (select clear_cache());
    END |
    DELIMITER ;\r\n\r\n");
    
    define('TRIGGER_AFTER_DELETE_SQL',"DELIMITER |
    DROP TRIGGER IF EXISTS %s;
    CREATE TRIGGER %s
    AFTER DELETE ON %s
    FOR EACH ROW BEGIN
        SET @result_set = (select clear_cache());
    END |
    DELIMITER ;\r\n\r\n");
    
    mysql_connect('127.0.0.1:3307','root','') or die(mysql_error());
    mysql_select_db('db');
    mysql_query('SET NAMES UTF8');
    
    $triggerDDL = '';
    
    $rs = mysql_query('SHOW TABLES');
    while($row = mysql_fetch_array($rs))
    {
    	$tblName = $row['Tables_in_db'];
    
    	
    	$triggerDDL .= "\r\n--\r\n-- 表的触发器 `".$tblName."`\r\n--\r\n";
    	
    	$triggerName = $tblName.'_insert';
    	$triggerDDL .= sprintf(TRIGGER_AFTER_INSERT_SQL,$triggerName,$triggerName,$tblName);
    
    	$triggerName = $tblName.'_update';
    	$triggerDDL .= sprintf(TRIGGER_AFTER_UPDATE_SQL,$triggerName,$triggerName,$tblName);
    
    	$triggerName = $tblName.'_delete';
    	$triggerDDL .= sprintf(TRIGGER_AFTER_DELETE_SQL,$triggerName,$triggerName,$tblName);
    }
    
    file_put_contents('db_trigger.sql',$triggerDDL);
    ?>
    

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  • 原文地址:https://www.cnblogs.com/ooooo/p/2249294.html
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