MYSQL全库查找指定字符串
DELIMITER // DROP PROCEDURE IF EXISTS `proc_FindStrInAllDataBase`; # CALL `proc_FindStrInAllDataBase` (testdb,中); CREATE PROCEDURE `proc_FindStrInAllDataBase` ( IN para_databasename VARCHAR(128), IN para_finstr VARCHAR(128) ) BEGIN -- 需要定义接收游标数据的变量 DECLARE tmp_dbname VARCHAR(128); DECLARE tmp_tbname VARCHAR(128); DECLARE tmp_colname VARCHAR(128); -- 遍历数据结束标志 DECLARE done INT DEFAULT FALSE; -- 游标 DECLARE cur_db_tb CURSOR FOR SELECT #*, c.table_schema,c.table_name,c.COLUMN_NAME FROM information_schema.`COLUMNS` C INNER JOIN information_schema.`TABLES` t ON c.`TABLE_NAME`=t.`TABLE_NAME` WHERE T.`TABLE_TYPE`=BASE TABLE AND (c.data_type LIKE %char% OR c.data_type LIKE %text%) AND (C.TABLE_SCHEMA=para_databasename OR IFNULL(para_databasename,) =) AND IFNULL(para_finstr,)<>; -- 将结束标志绑定到游标 DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE; CREATE TEMPORARY TABLE IF NOT EXISTS rstb(dbname VARCHAR(128),tbname VARCHAR(128),colname VARCHAR(128),cnt INT); -- 打开游标 OPEN cur_db_tb; -- 开始循环 read_loop: LOOP -- 提取游标里的数据,这里只有一个,多个的话也一样; FETCH cur_db_tb INTO tmp_dbname,tmp_tbname,tmp_colname; -- 声明结束的时候 IF done THEN LEAVE read_loop; END IF; -- 这里做你想做的循环的事件 SET @sqlstr=CONCAT(select count(1) into @rn from ,tmp_dbname,.,tmp_tbname, where ,tmp_colname, like %,para_finstr,%); PREPARE str FROM @sqlstr; EXECUTE str; DEALLOCATE PREPARE str; IF IFNULL(@rn,0)>0 THEN INSERT INTO rstb VALUES(tmp_dbname,tmp_tbname,tmp_colname,@rn); END IF; END LOOP; -- 关闭游标 CLOSE cur_db_tb; SELECT * FROM rstb; DROP TABLE rstb; END // DELIMITER ;DELIMITER // DROP PROCEDURE IF EXISTS `proc_FindStrInAllDataBase`; # CALL `proc_FindStrInAllDataBase` (testdb,中); CREATE PROCEDURE `proc_FindStrInAllDataBase` ( IN para_databasename VARCHAR(128), IN para_finstr VARCHAR(128) ) BEGIN -- 需要定义接收游标数据的变量 DECLARE tmp_dbname VARCHAR(128); DECLARE tmp_tbname VARCHAR(128); DECLARE tmp_colname VARCHAR(128); -- 遍历数据结束标志 DECLARE done INT DEFAULT FALSE; -- 游标 DECLARE cur_db_tb CURSOR FOR SELECT #*, c.table_schema,c.table_name,c.COLUMN_NAME FROM information_schema.`COLUMNS` C INNER JOIN information_schema.`TABLES` t ON c.`TABLE_NAME`=t.`TABLE_NAME` WHERE T.`TABLE_TYPE`=BASE TABLE AND (c.data_type LIKE %char% OR c.data_type LIKE %text%) AND (C.TABLE_SCHEMA=para_databasename OR IFNULL(para_databasename,) =) AND IFNULL(para_finstr,)<>; -- 将结束标志绑定到游标 DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE; CREATE TEMPORARY TABLE IF NOT EXISTS rstb(dbname VARCHAR(128),tbname VARCHAR(128),colname VARCHAR(128),cnt INT); -- 打开游标 OPEN cur_db_tb; -- 开始循环 read_loop: LOOP -- 提取游标里的数据,这里只有一个,多个的话也一样; FETCH cur_db_tb INTO tmp_dbname,tmp_tbname,tmp_colname; -- 声明结束的时候 IF done THEN LEAVE read_loop; END IF; -- 这里做你想做的循环的事件 SET @sqlstr=CONCAT(select count(1) into @rn from ,tmp_dbname,.,tmp_tbname, where ,tmp_colname, like %,para_finstr,%); PREPARE str FROM @sqlstr; EXECUTE str; DEALLOCATE PREPARE str; IF IFNULL(@rn,0)>0 THEN INSERT INTO rstb VALUES(tmp_dbname,tmp_tbname,tmp_colname,@rn); END IF; END LOOP; -- 关闭游标 CLOSE cur_db_tb; SELECT * FROM rstb; DROP TABLE rstb; END // DELIMITER ;
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