An error that is handled by aDECLARE HANDLERconstruct can be issued again using theRESIGNALstatement. Below is an example usingDECLARE HANDLER: CREATETABLEtest.t(s1INT,PRIMARYKEY(s1));DELIMITER//CREATEPROCEDUREhandlerdemo()BEGINDECLARECONTINUEHANDLERFORSQLSTATE'23000'SET@x2=1;SET@x=1;INSERTINTOtes...
CREATE PROCEDURE test_error(n INT) BEGIN DECLARE `too_big` CONDITION FOR SQLSTATE '45000'; IF n > 10 THEN SIGNAL `too_big`; END IF; END; In this example, we'll define a HANDLER for an error code. When the error occurs, we SIGNAL a more informative error which makes sense for ...
大家好,又见面了,我是你们的朋友全栈君。...error infomation: Illuminate\Database\QueryException : SQLSTATE[42000]: Syntax error or access violation...解决: 索引长度 & Mysql / MariaDB ...
1 variable datatype := value Variable declaration DECLARE variable datatype DEFAULT value 2 variable := value Assignment statement SET variable = value Executing stored procedures from a PL/SQL block: Oracle MariaDB 1 sp_name(param1, ...) Execute procedure CALL sp_name(param1, ...) ...
BEGIN -- dbname数据库名;tablename:表名;accdate:日期 DECLARE num INT; SET @if_sql = CONCAT("SELECT count(*) INTO @record FROM information_schema.partitions where table_schema='",dbname,"' and table_name='",tablename,"' AND PARTITION_NAME='p",accdate,"'"); SET @alter_sql = CONCAT...
DECLARE num INT; SET @if_sql = CONCAT("SELECT count(*) INTO @record FROM information_schema.partitions where table_schema='",dbname,"' and table_name='",tablename,"' AND PARTITION_NAME='p",accdate,"'"); SET @alter_sql = CONCAT("ALTER TABLE ",tablename," ADD PARTITION (PARTITION...
DECLARE PARTITION_NAME VARCHAR(16); DECLARE OLD_PARTITION_NAME VARCHAR(16); DECLARE LESS_THAN_TIMESTAMP INT; DECLARE CUR_TIME INT; CALL partition_verify(SCHEMA_NAME, TABLE_NAME, HOURLY_INTERVAL); SET CUR_TIME = UNIX_TIMESTAMP(DATE_FORMAT(NOW(), '%Y-%m-%d 00:00:00')); ...
Syntax The syntax to set up a handler for the NOT FOUND condition for a cursor in MariaDB is: DECLARE CONTINUE HANDLER FOR NOT FOUND [ set_condition ]; Parameters or Arguments set_condition The condition to set when the NOT FOUND condition is encountered by the cursor. ...
通过mariadb/mysql不断获得1064我没有看到分隔符有变化。否则，第4行的分号将终止语句，这将抛出一个...
DECLARE num INT; SET @if_sql = CONCAT("SELECT count(*) INTO @record FROM information_schema.partitions where table_schema='",dbname,"' and table_name='",tablename,"' AND PARTITION_NAME='p",accdate,"'"); SET @alter_sql = CONCAT("ALTER TABLE ",tablename," ADD PARTITION (PARTITION...