mentat

Author	SHA1	Message	Date
Richard Newman	a5023c70cb	Use Rc for TypedValue, Variable, and query Ident keywords. (#395 ) r=nalexander Part 1, core: use Rc for String and Keyword. Part 2, query: use Rc for Variable. Part 3, sql: use Rc for args in SQLiteQueryBuilder. Part 4, query-algebrizer: use Rc. Part 5, db: use Rc. Part 6, query-parser: use Rc. Part 7, query-projector: use Rc. Part 8, query-translator: use Rc. Part 9, top level: use Rc. Part 10: intern Ident and IdentOrKeyword.	2017-04-02 21:38:36 -07:00
Richard Newman	88df7b3b33	Correctly generate DISTINCT and LIMIT. (#386 ) r=nalexander	2017-03-22 14:02:00 -07:00
Richard Newman	7024978517	Track ever-shrinking sets of types for variables, not a single type. (#381 ) r=nalexander	2017-03-22 11:30:16 -07:00
Richard Newman	97749833d0	Algebrize and translate numeric constraints. (#306 ) r=nalexander	2017-03-22 10:19:47 -07:00
Richard Newman	bf38105fef	(#362 ) Part 4: handle unknown attributes by expanding type codes. r=nalexander Also, don't run any SQL at all if an algebrized query is known to return no results.	2017-03-08 17:44:27 -08:00
Richard Newman	e898df8842	Implement basic query limits. (#361 ) r=nalexander	2017-03-08 17:41:42 -08:00
Richard Newman	85f3b79f75	Support a limited set of '.'-prefixed non-keyword symbols. (#352 ) r=nalexander This commit allows `.` and `...` to parse correctly as `PlainSymbol`. Tests in edn, query-translator, and the top level have been added.	2017-03-06 15:01:19 -08:00
Richard Newman	70b112801c	Implement projection and querying. (#353 ) r=nalexander * Add a failing test for EDN parsing '…'. * Expose a SQLValueType trait to get value_type_tag values out of a ValueType. * Add accessors to FindSpec. * Implement querying. * Implement rudimentary projection. * Export mentat_db::new_connection. * Export symbols from mentat. * Add rudimentary end-to-end query tests.	2017-03-06 14:40:10 -08:00
Richard Newman	5e3cdd1fc2	Implement query-translator. (#301 ) r=nalexander	2017-02-23 18:39:49 -08:00

9 commits