Module interface

Provides interface types and trait to develop Postgres foreign data wrapper

Structs

Column

A column definition in a table

Limit

Query limit, a.k.a LIMIT count OFFSET offset clause

Param

Query parameter

Qual

Query restrictions, a.k.a conditions in WHERE clause

Row

A data row in a table

Sort

Query sort, a.k.a ORDER BY clause

Enums

Cell

A data cell in a data row

Value

A restiction value used in Qual, either a Cell or an array of Cell

Constants

FOREIGN_DATA_WRAPPER_RELATION_ID

Constant can be used in validator

FOREIGN_SERVER_RELATION_ID

Constant can be used in validator

FOREIGN_TABLE_RELATION_ID

Constant can be used in validator

Traits

CellFormatter

ForeignDataWrapper

The Foreign Data Wrapper trait