"MauMau" <maumau307(at)gmail(dot)com> writes:
> I'm thinking of making PostgreSQL a multi-model database by supporting
> data models other than the current relational model. A data model
> consists of a query language (e.g. SQL for relational model, Cypher
> for graph model), a parser and analyzer to transform a query into a
> query tree, a planner to transform the query tree into an execution
> plan, an executor, and a storage engine.
It sounds like what you want is to replace all of Postgres except
the name. I'm not clear on the point.
regards, tom lane