User friendly wrapper for summarise_by
A bit more user friendly ness
Implement grammar ops
Note on joins
Move partial eval to own file
Update collates
Add remote and local to partial_eval
Fix var name
Start building in basic methods
Failed attempt at prepared queries
Basic implementation of subset
Option to show sql
Only return first 50k rows by default
Remove redundant function
Evaluate subset expr in correct env
Improvements to sql helpers.
Get head and tail working again
as.data.frame method
Start porting summarise_by to new sql code
Move more smarts into select_sql
Better dots function