RDF::Query::Expression - Class for Expr expressions


RDF-Query documentation  | view source Contained in the RDF-Query distribution.

Index


NAME

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RDF::Query::Expression - Class for Expr expressions

VERSION

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This document describes RDF::Query::Expression version 2.907.

METHODS

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new ( $op, @operands )

Returns a new Expr structure.

construct_args

Returns a list of arguments that, passed to this class' constructor, will produce a clone of this algebra pattern.

op

Returns the operator of the expression.

operands

Returns a list of the operands of the expression.

sse

Returns the SSE string for this algebra expression.

explain

Returns a string serialization of the expression appropriate for display on the command line. This method is primarily used by the explain method of the subclasses of RDF::Query::Plan.

type

Returns the type of this algebra expression.

referenced_variables

Returns a list of the variable names used in this algebra expression.

AUTHOR

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 Gregory Todd Williams <gwilliams@cpan.org>


RDF-Query documentation  | view source Contained in the RDF-Query distribution.