Amazonka.RedshiftData.Types.ColumnMetadata

Documentation

data ColumnMetadata

The properties (metadata) of a column.

See: newColumnMetadata smart constructor.

Constructors

ColumnMetadata'

Fields

• columnDefault :: Maybe Text

  The default value of the column.

• isCaseSensitive :: Maybe Bool

  A value that indicates whether the column is case-sensitive.

• isCurrency :: Maybe Bool

  A value that indicates whether the column contains currency values.

• isSigned :: Maybe Bool

  A value that indicates whether an integer column is signed.

• label :: Maybe Text

  The label for the column.

• length :: Maybe Int

  The length of the column.

• name :: Maybe Text

  The name of the column.

• nullable :: Maybe Int

  A value that indicates whether the column is nullable.

• precision :: Maybe Int

  The precision value of a decimal number column.

• scale :: Maybe Int

  The scale value of a decimal number column.

• schemaName :: Maybe Text

  The name of the schema that contains the table that includes the column.

• tableName :: Maybe Text

  The name of the table that includes the column.

• typeName :: Maybe Text

  The database-specific data type of the column.

Instances

FromJSON ColumnMetadata

Defined in Amazonka.RedshiftData.Types.ColumnMetadata

Methods

parseJSON :: Value -> Parser ColumnMetadata

parseJSONList :: Value -> Parser [ColumnMetadata]

Generic ColumnMetadata

Defined in Amazonka.RedshiftData.Types.ColumnMetadata

Associated Types

type Rep ColumnMetadata :: Type -> Type

Methods

from :: ColumnMetadata -> Rep ColumnMetadata x

to :: Rep ColumnMetadata x -> ColumnMetadata

Read ColumnMetadata

Defined in Amazonka.RedshiftData.Types.ColumnMetadata

Methods

readsPrec :: Int -> ReadS ColumnMetadata

readList :: ReadS [ColumnMetadata]

readPrec :: ReadPrec ColumnMetadata

readListPrec :: ReadPrec [ColumnMetadata]

Show ColumnMetadata

Defined in Amazonka.RedshiftData.Types.ColumnMetadata

Methods

showsPrec :: Int -> ColumnMetadata -> ShowS

show :: ColumnMetadata -> String

showList :: [ColumnMetadata] -> ShowS

NFData ColumnMetadata

Defined in Amazonka.RedshiftData.Types.ColumnMetadata

Methods

rnf :: ColumnMetadata -> ()

Eq ColumnMetadata

Defined in Amazonka.RedshiftData.Types.ColumnMetadata

Methods

(==) :: ColumnMetadata -> ColumnMetadata -> Bool

(/=) :: ColumnMetadata -> ColumnMetadata -> Bool

Hashable ColumnMetadata

Defined in Amazonka.RedshiftData.Types.ColumnMetadata

Methods

hashWithSalt :: Int -> ColumnMetadata -> Int

hash :: ColumnMetadata -> Int

type Rep ColumnMetadata

Defined in Amazonka.RedshiftData.Types.ColumnMetadata

type Rep ColumnMetadata = D1 ('MetaData "ColumnMetadata" "Amazonka.RedshiftData.Types.ColumnMetadata" "amazonka-redshift-data-2.0-Hy9KEgtH5Bc3altuyuPuYo" 'False) (C1 ('MetaCons "ColumnMetadata'" 'PrefixI 'True) (((S1 ('MetaSel ('Just "columnDefault") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 (Maybe Text)) :*: (S1 ('MetaSel ('Just "isCaseSensitive") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 (Maybe Bool)) :*: S1 ('MetaSel ('Just "isCurrency") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 (Maybe Bool)))) :*: (S1 ('MetaSel ('Just "isSigned") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 (Maybe Bool)) :*: (S1 ('MetaSel ('Just "label") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 (Maybe Text)) :*: S1 ('MetaSel ('Just "length") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 (Maybe Int))))) :*: ((S1 ('MetaSel ('Just "name") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 (Maybe Text)) :*: (S1 ('MetaSel ('Just "nullable") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 (Maybe Int)) :*: S1 ('MetaSel ('Just "precision") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 (Maybe Int)))) :*: ((S1 ('MetaSel ('Just "scale") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 (Maybe Int)) :*: S1 ('MetaSel ('Just "schemaName") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 (Maybe Text))) :*: (S1 ('MetaSel ('Just "tableName") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 (Maybe Text)) :*: S1 ('MetaSel ('Just "typeName") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 (Maybe Text)))))))

newColumnMetadata :: ColumnMetadata

Create a value of ColumnMetadata with all optional fields omitted.

Use generic-lens or optics to modify other optional fields.

The following record fields are available, with the corresponding lenses provided for backwards compatibility:

$sel:columnDefault:ColumnMetadata', columnMetadata_columnDefault - The default value of the column.

$sel:isCaseSensitive:ColumnMetadata', columnMetadata_isCaseSensitive - A value that indicates whether the column is case-sensitive.

$sel:isCurrency:ColumnMetadata', columnMetadata_isCurrency - A value that indicates whether the column contains currency values.

$sel:isSigned:ColumnMetadata', columnMetadata_isSigned - A value that indicates whether an integer column is signed.

$sel:label:ColumnMetadata', columnMetadata_label - The label for the column.

$sel:length:ColumnMetadata', columnMetadata_length - The length of the column.

$sel:name:ColumnMetadata', columnMetadata_name - The name of the column.

$sel:nullable:ColumnMetadata', columnMetadata_nullable - A value that indicates whether the column is nullable.

$sel:precision:ColumnMetadata', columnMetadata_precision - The precision value of a decimal number column.

$sel:scale:ColumnMetadata', columnMetadata_scale - The scale value of a decimal number column.

$sel:schemaName:ColumnMetadata', columnMetadata_schemaName - The name of the schema that contains the table that includes the column.

$sel:tableName:ColumnMetadata', columnMetadata_tableName - The name of the table that includes the column.

$sel:typeName:ColumnMetadata', columnMetadata_typeName - The database-specific data type of the column.

columnMetadata_columnDefault :: Lens' ColumnMetadata (Maybe Text)

The default value of the column.

columnMetadata_isCaseSensitive :: Lens' ColumnMetadata (Maybe Bool)

A value that indicates whether the column is case-sensitive.

columnMetadata_isCurrency :: Lens' ColumnMetadata (Maybe Bool)

A value that indicates whether the column contains currency values.

columnMetadata_isSigned :: Lens' ColumnMetadata (Maybe Bool)

A value that indicates whether an integer column is signed.

columnMetadata_label :: Lens' ColumnMetadata (Maybe Text)

The label for the column.

columnMetadata_length :: Lens' ColumnMetadata (Maybe Int)

The length of the column.

columnMetadata_name :: Lens' ColumnMetadata (Maybe Text)

The name of the column.

columnMetadata_nullable :: Lens' ColumnMetadata (Maybe Int)

A value that indicates whether the column is nullable.

columnMetadata_precision :: Lens' ColumnMetadata (Maybe Int)

The precision value of a decimal number column.

columnMetadata_scale :: Lens' ColumnMetadata (Maybe Int)

The scale value of a decimal number column.

columnMetadata_schemaName :: Lens' ColumnMetadata (Maybe Text)

The name of the schema that contains the table that includes the column.

columnMetadata_tableName :: Lens' ColumnMetadata (Maybe Text)

The name of the table that includes the column.

columnMetadata_typeName :: Lens' ColumnMetadata (Maybe Text)

The database-specific data type of the column.