How to allow empty string for integer in MySQL?

Question

I have integer fields in a table. The POSTs are send by a complicated JavaScript. They send empty string like \"\" but as you guess MySQL doesn\'t allow emty strings in inte

Answer 1

Assuming that the column allows for NULL values, you must explicitly tell MySQL to use a value of NULL, rather than passing an empty string (which is cast to 0):

INSERT INTO table (column_name) VALUES (NULL);