Preql.Wire.TypeInfo.Types

Documentation

data TypeInfo

A structure representing some of the metadata regarding a PostgreSQL type, mostly taken from the pg_type table.

Constructors

Basic

Fields

• typoid :: !Oid
• typcategory :: !Char
• typdelim :: !Char
• typname :: !ByteString

Array

Fields

• typoid :: !Oid
• typcategory :: !Char
• typdelim :: !Char
• typname :: !ByteString
• typelem :: !TypeInfo

Range

Fields

• typoid :: !Oid
• typcategory :: !Char
• typdelim :: !Char
• typname :: !ByteString
• rngsubtype :: !TypeInfo

Composite

Fields

• typoid :: !Oid
• typcategory :: !Char
• typdelim :: !Char
• typname :: !ByteString
• typrelid :: !Oid
• attributes :: !(Vector Attribute)

Instances

Show TypeInfo

Defined in Preql.Wire.TypeInfo.Types

Methods

showsPrec :: Int -> TypeInfo -> ShowS

show :: TypeInfo -> String

showList :: [TypeInfo] -> ShowS

data Attribute

Constructors

Attribute

Fields

• attname :: !ByteString
• atttype :: !TypeInfo

Instances

Show Attribute

Defined in Preql.Wire.TypeInfo.Types

Methods

showsPrec :: Int -> Attribute -> ShowS

show :: Attribute -> String

showList :: [Attribute] -> ShowS