greg/mentat
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Author SHA1 Message Date
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