W3C

OPTIONAL FILTER

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Abstract

OPTIONAL with inner and outer FILTERs

This page describes W3C SPARQL Working Group's SPARQL1.0 test suite.

Contributing Tests

The test manifests and entries are built automatically from manifest.ttl using a Rake task. Tests may be contributed via pull request to https://github.com/w3c/rdf-tests with suitable changes to the manifest.ttl and referenced files.

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Test Descriptions

http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/manifest#dawg-optional-filter-001: OPTIONAL-FILTER

FILTER inside an OPTIONAL does not block an entire solution

type
mf:QueryEvaluationTest
approval
dawgt:Approved
approvedBy
http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html
action
query
expr-1.rq
data
data-1.ttl
result
expr-1-result.ttl
http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/manifest#dawg-optional-filter-002: OPTIONAL - Outer FILTER

FILTER outside an OPTIONAL tests bound and unbound variables

type
mf:QueryEvaluationTest
approval
dawgt:Approved
approvedBy
http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html
action
query
expr-2.rq
data
data-1.ttl
result
expr-2-result.ttl
http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/manifest#dawg-optional-filter-003: OPTIONAL - Outer FILTER with BOUND

Use !bound to only run outer FILTERs against variables bound in an OPTIONAL

type
mf:QueryEvaluationTest
approval
dawgt:Approved
approvedBy
http://lists.w3.org/Archives/Public/public-rdf-dawg/2007AprJun/att-0082/2007-06-12-dawg-minutes.html
action
query
expr-3.rq
data
data-1.ttl
result
expr-3-result.ttl
http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/manifest#dawg-optional-filter-004: OPTIONAL - Inner FILTER with negative EBV for outer variables

FILTER inside an OPTIONAL does not corrupt the entire solution

type
mf:QueryEvaluationTest
approval
dawgt:Approved
approvedBy
http://lists.w3.org/Archives/Public/public-rdf-dawg/2007OctDec/att-0006/02-dawg-minutes.html
action
query
expr-4.rq
data
data-1.ttl
result
expr-4-result.ttl
http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/manifest#dawg-optional-filter-005-simplified: dawg-optional-filter-005-simplified

Double curly braces get simplified to single curly braces early on, before filters are scoped

type
mf:QueryEvaluationTest
approval
action
query
expr-5.rq
data
data-1.ttl
result
expr-5-result-simplified.ttl
http://www.w3.org/2001/sw/DataAccess/tests/data-r2/optional-filter/manifest#dawg-optional-filter-005-not-simplified: dawg-optional-filter-005-not-simplified

Double curly braces do NOT get simplified to single curly braces early on, before filters are scoped

type
mf:QueryEvaluationTest
approval
action
query
expr-5.rq
data
data-1.ttl
result
expr-5-result-not-simplified.ttl