Basically, it says : "find all the surveys the user has the permission to access, joined with its default languages "in your case, this request fails.. Discovered that we need to delete this too strong condition from db_update also. otherwise we got no errors but no updating too. tested on self skin.. The primary key column is unique and it will not accept the duplicate entry. case 2: unique data field. you are trying to add a column to an existing table which contains data and set it as unique..
On duplicate key update is a mariadb/mysql extension to the insert statement that, if it finds a duplicate unique or primary key, will instead perform an update. the row/s affected value is reported as 1 if a row is inserted, and 2 if a row is updated, unless the api's client_found_rows flag is set.. The on duplicate key update clause can contain multiple column assignments, separated by commas. in assignment value expressions in the on duplicate key update clause, you can use the values(col_name) function to refer to column values from the insert portion of the insert on duplicate key update statement.. Click to share on twitter (opens in new window) click to share on facebook (opens in new window) click to share on google+ (opens in new window).
