TableFunctionsFactory_transformers.SupportedAnnotationsTransformer Class Reference

Inheritance diagram for TableFunctionsFactory_transformers.SupportedAnnotationsTransformer:

Collaboration diagram for TableFunctionsFactory_transformers.SupportedAnnotationsTransformer:

Public Member Functions
def	visit_udtf_node
Public Member Functions inherited from TableFunctionsFactory_transformers.AstTransformer
def	visit_udtf_node
def	visit_composed_node
def	visit_arg_node
def	visit_primitive_node
def	visit_template_node
def	visit_annotation_node
Public Member Functions inherited from TableFunctionsFactory_transformers.AstVisitor
def	visit_udtf_node
def	visit_composed_node
def	visit_arg_node
def	visit_primitive_node
def	visit_annotation_node
def	visit_template_node

Detailed Description

* Checks for supported annotations in a UDTF

Definition at line 339 of file TableFunctionsFactory_transformers.py.

Member Function Documentation

def TableFunctionsFactory_transformers.SupportedAnnotationsTransformer.visit_udtf_node	(		self,
			udtf_node
	)

Definition at line 343 of file TableFunctionsFactory_transformers.py.

    def visit_udtf_node(self, udtf_node):
        for t in udtf_node.inputs:
            for a in t.annotations:
                if a.key not in util.SupportedAnnotations:
                    raise TransformerException('unknown input annotation: `%s`' % (a.key))
        for t in udtf_node.outputs:
            for a in t.annotations:
                if a.key not in util.SupportedAnnotations:
                    raise TransformerException('unknown output annotation: `%s`' % (a.key))
        for annot in udtf_node.annotations:
            if annot.key not in util.SupportedFunctionAnnotations:
                raise TransformerException('unknown function annotation: `%s`' % (annot.key))
            if annot.value.lower() in ['enable', 'on', '1', 'true']:
                annot.value = '1'
            elif annot.value.lower() in ['disable', 'off', '0', 'false']:
                annot.value = '0'
        return udtf_node