Amazonka.DataPipeline.EvaluateExpression

Task runners call EvaluateExpression to evaluate a string in the context of the specified object. For example, a task runner can evaluate SQL queries stored in Amazon S3.

Creating a Request

data EvaluateExpression

Contains the parameters for EvaluateExpression.

See: newEvaluateExpression smart constructor.

Constructors

EvaluateExpression'

Fields

• pipelineId :: Text

  The ID of the pipeline.

• objectId :: Text

  The ID of the object.

• expression :: Text

  The expression to evaluate.

Instances

ToJSON EvaluateExpression

Defined in Amazonka.DataPipeline.EvaluateExpression

Methods

toJSON :: EvaluateExpression -> Value

toEncoding :: EvaluateExpression -> Encoding

toJSONList :: [EvaluateExpression] -> Value

toEncodingList :: [EvaluateExpression] -> Encoding

ToHeaders EvaluateExpression

Defined in Amazonka.DataPipeline.EvaluateExpression

Methods

toHeaders :: EvaluateExpression -> [Header]

ToPath EvaluateExpression

Defined in Amazonka.DataPipeline.EvaluateExpression

Methods

toPath :: EvaluateExpression -> ByteString

ToQuery EvaluateExpression

Defined in Amazonka.DataPipeline.EvaluateExpression

Methods

toQuery :: EvaluateExpression -> QueryString

AWSRequest EvaluateExpression

Defined in Amazonka.DataPipeline.EvaluateExpression

Associated Types

type AWSResponse EvaluateExpression

Methods

request :: (Service -> Service) -> EvaluateExpression -> Request EvaluateExpression

response :: MonadResource m => (ByteStringLazy -> IO ByteStringLazy) -> Service -> Proxy EvaluateExpression -> ClientResponse ClientBody -> m (Either Error (ClientResponse (AWSResponse EvaluateExpression)))

Generic EvaluateExpression

Defined in Amazonka.DataPipeline.EvaluateExpression

Associated Types

type Rep EvaluateExpression :: Type -> Type

Methods

from :: EvaluateExpression -> Rep EvaluateExpression x

to :: Rep EvaluateExpression x -> EvaluateExpression

Read EvaluateExpression

Defined in Amazonka.DataPipeline.EvaluateExpression

Methods

readsPrec :: Int -> ReadS EvaluateExpression

readList :: ReadS [EvaluateExpression]

readPrec :: ReadPrec EvaluateExpression

readListPrec :: ReadPrec [EvaluateExpression]

Show EvaluateExpression

Defined in Amazonka.DataPipeline.EvaluateExpression

Methods

showsPrec :: Int -> EvaluateExpression -> ShowS

show :: EvaluateExpression -> String

showList :: [EvaluateExpression] -> ShowS

NFData EvaluateExpression

Defined in Amazonka.DataPipeline.EvaluateExpression

Methods

rnf :: EvaluateExpression -> ()

Eq EvaluateExpression

Defined in Amazonka.DataPipeline.EvaluateExpression

Methods

(==) :: EvaluateExpression -> EvaluateExpression -> Bool

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

Hashable EvaluateExpression

Defined in Amazonka.DataPipeline.EvaluateExpression

Methods

hashWithSalt :: Int -> EvaluateExpression -> Int

hash :: EvaluateExpression -> Int

type AWSResponse EvaluateExpression

Defined in Amazonka.DataPipeline.EvaluateExpression

type AWSResponse EvaluateExpression = EvaluateExpressionResponse

type Rep EvaluateExpression

Defined in Amazonka.DataPipeline.EvaluateExpression

type Rep EvaluateExpression = D1 ('MetaData "EvaluateExpression" "Amazonka.DataPipeline.EvaluateExpression" "amazonka-datapipeline-2.0-1cySuAk2jmdDRpZSxMUuos" 'False) (C1 ('MetaCons "EvaluateExpression'" 'PrefixI 'True) (S1 ('MetaSel ('Just "pipelineId") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 Text) :*: (S1 ('MetaSel ('Just "objectId") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 Text) :*: S1 ('MetaSel ('Just "expression") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 Text))))

newEvaluateExpression

Arguments

:: Text

EvaluateExpression

-> Text

$sel:objectId:EvaluateExpression'

-> Text

$sel:expression:EvaluateExpression'

-> EvaluateExpression

Create a value of EvaluateExpression 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:

EvaluateExpression, evaluateExpression_pipelineId - The ID of the pipeline.

$sel:objectId:EvaluateExpression', evaluateExpression_objectId - The ID of the object.

$sel:expression:EvaluateExpression', evaluateExpression_expression - The expression to evaluate.

Request Lenses

evaluateExpression_pipelineId :: Lens' EvaluateExpression Text

The ID of the pipeline.

evaluateExpression_objectId :: Lens' EvaluateExpression Text

The ID of the object.

evaluateExpression_expression :: Lens' EvaluateExpression Text

The expression to evaluate.

Destructuring the Response

data EvaluateExpressionResponse

Contains the output of EvaluateExpression.

See: newEvaluateExpressionResponse smart constructor.

Constructors

EvaluateExpressionResponse'

Fields

• httpStatus :: Int

  The response's http status code.

• evaluatedExpression :: Text

  The evaluated expression.

Instances

Generic EvaluateExpressionResponse

Defined in Amazonka.DataPipeline.EvaluateExpression

Associated Types

type Rep EvaluateExpressionResponse :: Type -> Type

Methods

from :: EvaluateExpressionResponse -> Rep EvaluateExpressionResponse x

to :: Rep EvaluateExpressionResponse x -> EvaluateExpressionResponse

Read EvaluateExpressionResponse

Defined in Amazonka.DataPipeline.EvaluateExpression

Methods

readsPrec :: Int -> ReadS EvaluateExpressionResponse

readList :: ReadS [EvaluateExpressionResponse]

readPrec :: ReadPrec EvaluateExpressionResponse

readListPrec :: ReadPrec [EvaluateExpressionResponse]

Show EvaluateExpressionResponse

Defined in Amazonka.DataPipeline.EvaluateExpression

Methods

showsPrec :: Int -> EvaluateExpressionResponse -> ShowS

show :: EvaluateExpressionResponse -> String

showList :: [EvaluateExpressionResponse] -> ShowS

NFData EvaluateExpressionResponse

Defined in Amazonka.DataPipeline.EvaluateExpression

Methods

rnf :: EvaluateExpressionResponse -> ()

Eq EvaluateExpressionResponse

Defined in Amazonka.DataPipeline.EvaluateExpression

Methods

(==) :: EvaluateExpressionResponse -> EvaluateExpressionResponse -> Bool

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

type Rep EvaluateExpressionResponse

Defined in Amazonka.DataPipeline.EvaluateExpression

type Rep EvaluateExpressionResponse = D1 ('MetaData "EvaluateExpressionResponse" "Amazonka.DataPipeline.EvaluateExpression" "amazonka-datapipeline-2.0-1cySuAk2jmdDRpZSxMUuos" 'False) (C1 ('MetaCons "EvaluateExpressionResponse'" 'PrefixI 'True) (S1 ('MetaSel ('Just "httpStatus") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 Int) :*: S1 ('MetaSel ('Just "evaluatedExpression") 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedStrict) (Rec0 Text)))

newEvaluateExpressionResponse

Arguments

:: Int

$sel:httpStatus:EvaluateExpressionResponse'

-> Text

$sel:evaluatedExpression:EvaluateExpressionResponse'

-> EvaluateExpressionResponse

Create a value of EvaluateExpressionResponse 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:httpStatus:EvaluateExpressionResponse', evaluateExpressionResponse_httpStatus - The response's http status code.

$sel:evaluatedExpression:EvaluateExpressionResponse', evaluateExpressionResponse_evaluatedExpression - The evaluated expression.

Response Lenses

evaluateExpressionResponse_httpStatus :: Lens' EvaluateExpressionResponse Int

The response's http status code.

evaluateExpressionResponse_evaluatedExpression :: Lens' EvaluateExpressionResponse Text

The evaluated expression.