mysql - Encoding data to blob file -


i'm working blob files in mysql database, , there new data i'd encode these blob files. problem is, new data, has put in @ specific places in blob file. structure of blob files are:

old blob : 4 byte id 2 byte ref , 4 byte id 2 byte ref , 4 byte id 2 byte ref , ...

now have new integer number i'd encode file called link, 2 byte long. want new blob file like:

new blob : 4 byte id 2 byte ref 2 byte link , 4 byt id 2 byte ref 2 byte link , ...

how can done?

i'm working pymysql in python correspond mysql database, i'm open fix this.


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