using group_concat in PHPMYADMIN will show the result as [BLOB - 3B]

Question

I have a query which uses the GROUP_CONCAT of mysql on an integer field.
I am using PHPMYADMIN to develop this query. My problem that instead of showing 1,2 which is the

Answer 1

You can do this:

set session group_concat_max_len = 512;

If group_concat_max_len is more than 512 the query will return byte[]. But you can pass to a string.

System.Text.Encoding.Default.GetString((byte[])DataTable.Rows[0][0]);