Trying to use it as a concatenation operator may produce unexpected results if you don’t enable it as a pipe concatenation operator first. By default, || is a synonym for the OR logical operator (although this is deprecated). Note that the pipe concatenation operator first needs to be enabled before you can use it in this manner. In this case, I appended a space to the first argument. This example uses the concatenation operator ( ||): SELECT 'Player ' || 456 For example: mysql> SELECT tech on the net. +-+-+ The Pipe Concatenation Operator ( ||) You can also concatenate expressions together in MySQL by placing the strings next to each other. We can include a space, either by adding a space to the existing string, or by concatenating including a third argument that consists solely of a space: SELECTĬONCAT('Player', ' ', 456) AS "Option 2" Any numeric value is converted to its equivalent nonbinary string form. Although this is a string function, it can handle numeric (and binary string) arguments. ) In the above function, you need to specify the strings to be concatenated, in a comma-separated manner first string as first argument, second string as second argument, and so on. Here is the syntax for concat () concat (string1, string2.
The CONCAT() function concatenates its arguments. Concat () is the most common function to concatenate strings in MySQL. We can use the pipe concatenation operator ( ||), which concatenates its operands.īelow are examples of each.We can use the CONCAT() function, which concatenates its arguments.Please help me what i am do for correct results.There are a couple of approaches we can use to concatenate strings and numbers in MySQL. I think am am not know much about mysql and my concatenation is wrong. SET ItemDesc= CONCAT(ItemDesc,'/',_pTitle ,' ',_Packing,_Qty) If the argument contains any binary string, the result is a binary string. If all arguments are nonbinary strings, the result is a nonbinary string. If any parameter is NULL, the return value is NULL. I have many record in my tables and my procedures cursor fetch all records but when i try to concatenation record it give me null valueīut when am try to add other line in string ) function in MySQL returns a string resulting from the connection parameters, possibly with one or more parameters. SET ItemDesc= CONCAT('/',_pTitle ,' ',_Packing,_Qty) It returns NULL if there are no non-NULL values. From the link above, GROUPCONCAT: This function returns a string result with the concatenated non-NULL values from a group. Select tblsaledetails.CustomerID, tblsalepurchasetran.eDate, tblproducts.pTitle, tblproducts.Packing,tblproducts.SAmountType, tblsaledetails.Qty, tblsaledetails.Rate, tblsaledetails.CommAmount, tblsaledetails.TotlaAmount, ifnull(tblsaledetails.RecivedAmount,0) as RecivedAmount ,tblsaledetails.tKey From tblsalepurchasetran Inner Join tblsaledetails On tblsaledetails.sKey = tblsalepurchasetran.ID Inner Join tblproducts On tblsalepurchasetran.iID = tblproducts.ID Where(tblsaledetails.CustomerID =_cID and tblsalepurchasetran.eDate=curdate()) Order By tblsaledetails.ID įETCH cCustomerSaleDetails INTO _CustomerID,_eDate,_pTitle,_Packing,_SAmountType,_Qty,_Rate,_CommAmount,_TotalAmount,_RecivedAmount,_tKey SELECT id, GROUPCONCAT ( string SEPARATOR ' ') FROM table GROUP BY id. my stored procedures started -ĬREATE PROCEDURE dbshop.`proDailySaleDetails`(IN _cID VARCHAR(5), OUT ItemDesc varchar(200) charset utf8)ĭECLARE lSaleDesc varchar(200) charset utf8 ĭECLARE _CustomerID,_eDate,_pTitle,_Packing,_SAmountType,_Qty,_Rate,_CommAmount,_TotalAmount,_RecivedAmount,_tKey varchar(100) charset utf8 i want daily sale items in one string my procedure is
i am wring a stored procedure in mysql for my customer sale information.
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