fluidb/README.md

## TODO

* [x] predicates
* [x] negation
* [x] disjunction
* [ ] stratum
* [ ] magic sets
* [ ] aggregation
* [ ] function symbol
* [ ] arithmetic
* [ ] range scan
* [ ] public API
* [ ] sorting
* [ ] limit, offset

comparators can have problems when sorting mixed integers and floats
readme 2 years ago			`## TODO`

done filtering 2 years ago			`* [x] predicates`
negation reordering 2 years ago			`* [x] negation`
disjunction 2 years ago			`* [x] disjunction`
expressions 2 years ago			`* [ ] stratum`
			`* [ ] magic sets`
disjunction 2 years ago			`* [ ] aggregation`
expressions 2 years ago			`* [ ] function symbol`
			`* [ ] arithmetic`
			`* [ ] range scan`
filter respects eager binding elimination 2 years ago			`* [ ] public API`
			`* [ ] sorting`
neg join for triples 2 years ago			`* [ ] limit, offset`

			`comparators can have problems when sorting mixed integers and floats`