bogdan/datagrid — pull request #49 by mipearson (2012-11-26 21:50:24+00:00)
Title: Explicitly specify table name when using >= and <= and AR.

Avoid instance where another table with the same columns is included in
a join and the RDBMS gets confused as to which table you mean.

Very common in rails if you put a filter on a :created_at field.