CREATE PROCEDURE droptable () BEGIN DECLARE table1 CHAR(50); SET table1 = 'xx'; DROP TABLE table1; END; But Mysql interprets table1 as the tablename, not as a variable naming a table. Is there any way to drop a table named by a variable in a stored procedure ?Navigate...
Bug #110072The name of an item in a variable in a stored procedure is incorrectly modified Submitted:15 Feb 2023 8:06Modified:15 Feb 2023 13:14 Reporter:sir chenEmail Updates: Status:Not a BugImpact on me: None Category:MySQL ServerSeverity:S3 (Non-critical) ...
Bug #2329 Crash if insert with variable name in stored procedure Submitted: 8 Jan 2004 17:16Modified: 14 Jan 2004 3:55 Reporter: Peter Gulutzan Email Updates: Status: Closed Impact on me: None Category: MySQL ServerSeverity: S3 (Non-critical) Version: 5.0.0-alpha-debugOS: Linux (...
SET can also be used to persist certain system variables to the mysqld-auto.cnf file in the data directory, to affect server operation for subsequent startups. If a SET statement is issued for a sensitive system variable, the query is rewritten to replace the value with “<redacted>” ...
To set a global system variable value to the compiled-in MySQL default value or a session system variable to the current corresponding global value, set the variable to the value DEFAULT. For example, the following two statements are identical in setting the session value of max_join_size to...
You can initialize this variable with a SET statement or inside in a query: SET @var = 1 SELECT @var2 := 2 When you develop a stored procedure in MySQL, you can pass the input parameters and declare the local variables: DELIMITER // CREATE PROCEDURE prc_test (var INT) BEGIN DECLARE ...
Could not find stored procedure 'sp_start_job' Could not generate configuration file error Could not get provider invariant name from the connection type qualifier "MySql.Data.MySqlClient.MySqlConnection" Could not load file or assembly 'Microsoft.Datawarehouse.AS' or one of its dependencies Could...
ODBC Driver Error: [MySQL][ODBC 8.0(a) Driver][mysqld-5.7.25-0ubuntu0.18.04.2]You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '&' at line 1 ...
问prepare语句并发问题中的MySQL @variableENsql中declare是声明的意思32313133353236313431303231363533e58685e5...
For example, my stored procedure is as follows create procedure get_data(IN id int) begin declare filename varchar(10) default concat(id, ".txt"); select name, address from table where id_in_table = id INTO outfile @filename; end; This code (or any of the other variants th...