ApplyMapping Class - AWS Glue

ApplyMapping Class

Applies a mapping in a DynamicFrame.


__call__(frame, mappings, transformation_ctx = "", info = "", stageThreshold = 0, totalThreshold = 0)

Applies a declarative mapping to a specified DynamicFrame.

  • frame – The DynamicFrame in which to apply the mapping (required).

  • mappings – A list of mapping tuples, each consisting of: (source column, source type, target column, target type). Required.

    If the source column has dots in it, the mapping will not work unless you place back-ticks around it (``). For example, to map (string) to thisNewName (string), you would use the following tuple:

    ("``", "string", "thisNewName", "string")
  • transformation_ctx – A unique string that is used to identify state information (optional).

  • info – A string associated with errors in the transformation (optional).

  • stageThreshold – The maximum number of errors that can occur in the transformation before it errors out (optional; the default is zero).

  • totalThreshold – The maximum number of errors that can occur overall before processing errors out (optional; the default is zero).

Returns only the fields of the DynamicFrame specified in the "mapping" tuples.

apply(cls, *args, **kwargs)

Inherited from GlueTransform apply.


Inherited from GlueTransform name.


Inherited from GlueTransform describeArgs.


Inherited from GlueTransform describeReturn.


Inherited from GlueTransform describeTransform.


Inherited from GlueTransform describeErrors.


Inherited from GlueTransform describe.