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MySQL stored procedure is not working


MySQL stored procedure is not working

By : user2956200
Date : November 22 2020, 10:54 AM
will be helpful for those in need Rename your input parameter to make it clear to the DB engine when you mean the parameter and when the column name.
code :
where startdate = startdate and enddate = enddate and amount = amount 


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IN() not working in mysql stored procedure

IN() not working in mysql stored procedure


By : Richardo92
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , , After trying lot i find instead of IN(), FIND_IN_SET() works for me.
code :
DELIMITER $$

USE `employee`$$

DROP PROCEDURE IF EXISTS `selectemployeebyids`$$

CREATE DEFINER=`root`@`localhost` PROCEDURE `selectemployeebyids`(IN empid VARCHAR(100))
BEGIN
    SELECT empname,salary,department from emp where empid FIND_IN_SET(empid) ORDER BY empid;
    END$$

DELIMITER ;
Working with WHERE IN on Stored Procedure (MySQL)

Working with WHERE IN on Stored Procedure (MySQL)


By : jamesbuniak
Date : March 29 2020, 07:55 AM
Does that help The goal , You need to set up dynamic SQL
code :
DELIMITER $$
DROP PROCEDURE `getProductsPrices` $$
CREATE PROCEDURE `getProductsPrices`(IN `ids` VARCHAR(255))
BEGIN
    SET @sql = 'Select product.Name From app_products';
    SET @sql = CONCAT(@sql,' As product Where product.Id In (',`ids`,')');
    PREPARE s FROM @sql;
    EXECUTE s;
    DEALLOCATE PREPARE s;
END $$
DELIMITER ;
Stored Procedure in mysql Not working

Stored Procedure in mysql Not working


By : HitaishinDev
Date : March 29 2020, 07:55 AM
it helps some times Rename your input parameter to make it clear to the DB engine when you mean the parameter and when the column name.
code :
where IpAddress = IpAddress 
delimiter |
CREATE DEFINER=`root`@`localhost` PROCEDURE `InsertLocation`(in IpAddrParam varchar(45))
BEGIN     
  if ((SELECT count(*) FROM mbuzzz.location_byhits where IpAddress = IpAddrParam)>0)    
  then     
      UPDATE location_byhits SET Hits=Hits+1 where IpAddress=IpAddrParam;    
  else     
      insert into location_byhits(IpAddress,Date_current) 
      values (IpAddrParam, CURTIME());     
  End if ;    
end
|
delimiter ;
MySql Stored Procedure not working

MySql Stored Procedure not working


By : serna
Date : March 29 2020, 07:55 AM
it helps some times You are missing the CREATE from the start of your stored procedure, by adding this I was able to get your procedure working on SQL Fiddle (Note the 4th result set has one row of paid updated)
To test I created the following data:
code :
CREATE TABLE location_byhits (Paid INT, IpAddress INT);
CREATE TABLE Users (ID INT);
CREATE TABLE Subscription(ItemID INT, UsersID INT);
CREATE TABLE Item (ID INT, Item_TypeID INT);
//
INSERT location_byhits VALUES (0, '192.168.0.0'), (0, '192.168.0.1');
INSERT Users VALUES (1), (2);
INSERT Subscription (1, 1), (2, 2);
INSERT Item (1, 1), (2, 6);
CALL PaidUser ('192.168.0.2', 1);
CALL PaidUser ('192.168.0.0', 3);
CALL PaidUser ('192.168.0.1', 2);
CALL PaidUser ('192.168.0.1', 1);
CREATE PROCEDURE `PaidUser`(in IpId VARCHAR(45),in UId INT(20))
BEGIN

    UPDATE  location_byhits 
    SET     Paid = 1 
    WHERE   location_byhits.IpAddress = IpId
    AND     EXISTS
            (   SELECT  1
                FROM    Users u 
                        INNER JOIN Subscription s 
                            ON u.ID = s.usersID 
                        INNER JOIN Item i 
                            ON i.ID = s.ItemID  
                WHERE   i.Item_TypeID != 6 
                AND     u.ID = UId 
            );
END
How do I use a MySQL stored procedure from c# which sends a table as input to the store procedure? I have T-SQL working

How do I use a MySQL stored procedure from c# which sends a table as input to the store procedure? I have T-SQL working


By : Jupiter
Date : March 29 2020, 07:55 AM
hop of those help? Unfortunately MySql didn't implement table-valued parameters, but alternatives do exist:
Using a temporary table which drops immediately after the connection closes but is visible to all queries coming via this connection. The only con is having to execute an additional query (or more) before the intended query, just to insert data into the temp table. Using a delimited string ("str1,str2,str3") which significantly downgrades performance, especially when the string is very long.
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