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<div class="sub-title"><span class="module-label-in-package">Module</span>&nbsp;<a href="../../../../../../module-summary.html">org.apache.jena.arq</a></div>
<h1 title="Package org.apache.jena.sparql.algebra.op" class="title">Package org.apache.jena.sparql.algebra.op</h1>
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<div class="package-signature">package <span class="element-name">org.apache.jena.sparql.algebra.op</span></div>
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<div class="caption"><span>Related Packages</span></div>
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<div class="table-header col-first">Package</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><a href="../package-summary.html">org.apache.jena.sparql.algebra</a></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><a href="../optimize/package-summary.html">org.apache.jena.sparql.algebra.optimize</a></div>
<div class="col-last odd-row-color">&nbsp;</div>
<div class="col-first even-row-color"><a href="../table/package-summary.html">org.apache.jena.sparql.algebra.table</a></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><a href="../walker/package-summary.html">org.apache.jena.sparql.algebra.walker</a></div>
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<div id="class-summary">
<div class="caption"><span>Classes</span></div>
<div class="summary-table two-column-summary">
<div class="table-header col-first">Class</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="Op0.html" title="class in org.apache.jena.sparql.algebra.op">Op0</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">Super class for operators that do not combine other operators</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="Op1.html" title="class in org.apache.jena.sparql.algebra.op">Op1</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">
<div class="block">Super class for operators that operate on a single sub-operation (i.e.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="Op2.html" title="class in org.apache.jena.sparql.algebra.op">Op2</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">Super class for operators that combine two sub-operators</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpAssign.html" title="class in org.apache.jena.sparql.algebra.op">OpAssign</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpBase.html" title="class in org.apache.jena.sparql.algebra.op">OpBase</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpBGP.html" title="class in org.apache.jena.sparql.algebra.op">OpBGP</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpConditional.html" title="class in org.apache.jena.sparql.algebra.op">OpConditional</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">Conditional execution - works with streamed execution and is known to safe to
evaluate that way (no issues from nested optionals).</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpDatasetNames.html" title="class in org.apache.jena.sparql.algebra.op">OpDatasetNames</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpDiff.html" title="class in org.apache.jena.sparql.algebra.op">OpDiff</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpDisjunction.html" title="class in org.apache.jena.sparql.algebra.op">OpDisjunction</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">
<div class="block">N-way disjunction.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpDistinct.html" title="class in org.apache.jena.sparql.algebra.op">OpDistinct</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpDistinctReduced.html" title="class in org.apache.jena.sparql.algebra.op">OpDistinctReduced</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpExt.html" title="class in org.apache.jena.sparql.algebra.op">OpExt</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">Marker for extension points
Execution will be per-engine specific</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpExtend.html" title="class in org.apache.jena.sparql.algebra.op">OpExtend</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">
<div class="block">This is the operation in standard SPARQL 1.1 OpAssign is specifically in
support of LET.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpExtendAssign.html" title="class in org.apache.jena.sparql.algebra.op">OpExtendAssign</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpFilter.html" title="class in org.apache.jena.sparql.algebra.op">OpFilter</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpGraph.html" title="class in org.apache.jena.sparql.algebra.op">OpGraph</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpGroup.html" title="class in org.apache.jena.sparql.algebra.op">OpGroup</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpJoin.html" title="class in org.apache.jena.sparql.algebra.op">OpJoin</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpLabel.html" title="class in org.apache.jena.sparql.algebra.op">OpLabel</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">
<div class="block">Do-nothing class that means that tags/labels/comments can be left in the algebra tree.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpLateral.html" title="class in org.apache.jena.sparql.algebra.op">OpLateral</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpLeftJoin.html" title="class in org.apache.jena.sparql.algebra.op">OpLeftJoin</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpList.html" title="class in org.apache.jena.sparql.algebra.op">OpList</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpMinus.html" title="class in org.apache.jena.sparql.algebra.op">OpMinus</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpModifier.html" title="class in org.apache.jena.sparql.algebra.op">OpModifier</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">Mark solution modifiers</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpN.html" title="class in org.apache.jena.sparql.algebra.op">OpN</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpNull.html" title="class in org.apache.jena.sparql.algebra.op">OpNull</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpOrder.html" title="class in org.apache.jena.sparql.algebra.op">OpOrder</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpPath.html" title="class in org.apache.jena.sparql.algebra.op">OpPath</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpProcedure.html" title="class in org.apache.jena.sparql.algebra.op">OpProcedure</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">
<div class="block">General procedure in algebra evaluation (a stored procedure facility)
Syntax (ARQ extension): <code>CALL &lt;iri&gt;(?x, ?y+3)</code>.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpProject.html" title="class in org.apache.jena.sparql.algebra.op">OpProject</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpPropFunc.html" title="class in org.apache.jena.sparql.algebra.op">OpPropFunc</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">
<div class="block">Property functions (or any OpBGP replacement)
Execution will be per-engine specific</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpQuad.html" title="class in org.apache.jena.sparql.algebra.op">OpQuad</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">Algebra operation for a single quad.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpQuadBlock.html" title="class in org.apache.jena.sparql.algebra.op">OpQuadBlock</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">
<div class="block">A list of quads.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpQuadPattern.html" title="class in org.apache.jena.sparql.algebra.op">OpQuadPattern</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">The main Op used in converting SPARQL algebra to quad form.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpReduced.html" title="class in org.apache.jena.sparql.algebra.op">OpReduced</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpSequence.html" title="class in org.apache.jena.sparql.algebra.op">OpSequence</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">A "sequence" is a join-like operation where it is known that
the output of one step can be fed into the input of the next
(that is, no scoping issues arise).</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpService.html" title="class in org.apache.jena.sparql.algebra.op">OpService</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpSlice.html" title="class in org.apache.jena.sparql.algebra.op">OpSlice</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpTable.html" title="class in org.apache.jena.sparql.algebra.op">OpTable</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpTopN.html" title="class in org.apache.jena.sparql.algebra.op">OpTopN</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">Top N from a stream of items - for small N, better than ORDER BY + LIMIT N</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="OpTriple.html" title="class in org.apache.jena.sparql.algebra.op">OpTriple</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">
<div class="block">Algebra operation for a single triple.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="OpUnion.html" title="class in org.apache.jena.sparql.algebra.op">OpUnion</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">&nbsp;</div>
</div>
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