Initial queryparser

[ISOsipov]

Filter

Version number 1

This is the first version of our filter. Now it can allow us to find rows using:

• Comparators: <, >, =, >=, <=, != ;
• Logical operators: or, and .

For example, we can input the next string for filter:

variable1 >= number and variable2 != 'string' or variable3 = variable4

[CimimUxMaio]

I've uploaded some tests for this functionality.

To run them you have to use the command:

python -m unittest

Currently they are all failing due to the same error:

Can you investigate? You may want to look into the tests code, maybe I am using this function wrong.