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PredicateSpecificityOnlyBackend :: String -> PredicateSpecificitybeam-migrate Database.Beam.Migrate.Types No documentation available.
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Postgres is a popular, open-source RDBMS. It is fairly standards compliant and supports many advanced features and data types. The beam-postgres module is built atop of postgresql-simple, which is used for connection management, transaction support, serialization, and deserialization. beam-postgres supports most beam features as well as many postgres-specific features. For example, beam-postgres provides support for full-text search, DISTINCT ON, JSON handling, postgres ARRAYs, RANGEs, and the MONEY type. The documentation for beam-postgres functionality below indicates which postgres function each function or type wraps. Postgres maintains its own in-depth documentation. Please refer to that for more detailed information on behavior. For examples on how to use beam-postgres usage, see its manual.
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beam-postgres Database.Beam.Postgres MonadBeam in which we can run Postgres commands. See the documentation for MonadBeam on examples of how to use. beam-postgres also provides functions that let you run queries without MonadBeam. These functions may be more efficient and offer a conduit API. See Database.Beam.Postgres.Conduit for more information. You can execute Pg actions using runBeamPostgres or runBeamPostgresDebug.
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beam-postgres Database.Beam.Postgres An expression context that determines which types of expressions can be put inside an array element. Any scalar, aggregate, or window expression can be placed within an array.
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beam-postgres Database.Beam.Postgres Represents the types of bounds a range can have. A range can and often does have mis-matched bound types.
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beam-postgres Database.Beam.Postgres No documentation available.
PgBox :: PgPoint -> PgPoint -> PgBoxbeam-postgres Database.Beam.Postgres No documentation available.
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beam-postgres Database.Beam.Postgres No documentation available.
PgCircle :: PgPoint -> Double -> PgCirclebeam-postgres Database.Beam.Postgres No documentation available.
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beam-postgres Database.Beam.Postgres Representation of an arbitrary Postgres command. This is the combination of the command syntax (repesented by PgSyntax), as well as the type of command (represented by PgCommandType). The command type is necessary for us to know how to retrieve results from the database.