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mentat/query-projector
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Conrad Dean 95780c0ab5 type signature on rusqlite::Row changed, only need one lifetime annotation
2019-07-22 07:41:53 -04:00
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src type signature on rusqlite::Row changed, only need one lifetime annotation 2019-07-22 07:41:53 -04:00
tests Pre: Move core/Attribute* to core-traits 2018-08-09 13:16:05 -07:00
Cargo.toml try fixing build by upgrading rusqlite to 0.19 2019-07-17 10:59:38 -04:00
README.md Implement projection and querying. (#353) r=nalexander 2017-03-06 14:40:10 -08:00

README.md

This module handles the derivation from an algebrized query of two things:

  • A SQL projection: a mapping from columns mentioned in the body of the query to columns in the output.
  • A Datalog projection: a function that consumes rows of the appropriate shape (as defined by the SQL projection) to yield one of the four kinds of Datalog query result.

These two must naturally coordinate, and so they are both produced here.