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| <h1 title="Uses of Class org.apache.jena.sparql.algebra.TransformCopy" class="title">Uses of Class<br>org.apache.jena.sparql.algebra.TransformCopy</h1> |
| </div> |
| <div class="caption"><span>Packages that use <a href="../TransformCopy.html" title="class in org.apache.jena.sparql.algebra">TransformCopy</a></span></div> |
| <div class="summary-table two-column-summary"> |
| <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="#org.apache.jena.sparql.algebra">org.apache.jena.sparql.algebra</a></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><a href="#org.apache.jena.sparql.algebra.optimize">org.apache.jena.sparql.algebra.optimize</a></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><a href="#org.apache.jena.sparql.engine.iterator">org.apache.jena.sparql.engine.iterator</a></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| <section class="class-uses"> |
| <ul class="block-list"> |
| <li> |
| <section class="detail" id="org.apache.jena.sparql.algebra"> |
| <h2>Uses of <a href="../TransformCopy.html" title="class in org.apache.jena.sparql.algebra">TransformCopy</a> in <a href="../package-summary.html">org.apache.jena.sparql.algebra</a></h2> |
| <div class="caption"><span>Subclasses of <a href="../TransformCopy.html" title="class in org.apache.jena.sparql.algebra">TransformCopy</a> in <a href="../package-summary.html">org.apache.jena.sparql.algebra</a></span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Class</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>class </code></div> |
| <div class="col-second even-row-color"><code><a href="../TransformGraphRename.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra">TransformGraphRename</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Rename quad form alegbra</div> |
| </div> |
| <div class="col-first odd-row-color"><code>class </code></div> |
| <div class="col-second odd-row-color"><code><a href="../TransformQuadBlockGraph.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra">TransformQuadBlockGraph</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Transform that rewrites an algebra into quadblock form</div> |
| </div> |
| <div class="col-first even-row-color"><code>class </code></div> |
| <div class="col-second even-row-color"><code><a href="../TransformQuadGraph.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra">TransformQuadGraph</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Transform that rewrites an algebra into quad form</div> |
| </div> |
| <div class="col-first odd-row-color"><code>class </code></div> |
| <div class="col-second odd-row-color"><code><a href="../TransformUnionQuery.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra">TransformUnionQuery</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Convert query in algebra form so that the default graph of the query is the union of named graphs</div> |
| </div> |
| </div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="org.apache.jena.sparql.algebra.optimize"> |
| <h2>Uses of <a href="../TransformCopy.html" title="class in org.apache.jena.sparql.algebra">TransformCopy</a> in <a href="../optimize/package-summary.html">org.apache.jena.sparql.algebra.optimize</a></h2> |
| <div class="caption"><span>Subclasses of <a href="../TransformCopy.html" title="class in org.apache.jena.sparql.algebra">TransformCopy</a> in <a href="../optimize/package-summary.html">org.apache.jena.sparql.algebra.optimize</a></span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Class</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>class </code></div> |
| <div class="col-second even-row-color"><code><a href="../optimize/TransformDistinctToReduced.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformDistinctToReduced</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block"> |
| Transforms generic <code>DISTINCT</code> plus <code>ORDER BY</code> combinations to |
| <code>REDUCED</code> plus <code>ORDER BY</code> which typically gives better |
| performance and memory consumption because engines have to keep less data |
| in-memory to evaluate it.</div> |
| </div> |
| <div class="col-first odd-row-color"><code>class </code></div> |
| <div class="col-second odd-row-color"><code><a href="../optimize/TransformEliminateAssignments.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformEliminateAssignments</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">A transform that tries to in-line/eliminate assignments</div> |
| </div> |
| <div class="col-first even-row-color"><code>class </code></div> |
| <div class="col-second even-row-color"><code><a href="../optimize/TransformExpandOneOf.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformExpandOneOf</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| <div class="col-first odd-row-color"><code>class </code></div> |
| <div class="col-second odd-row-color"><code><a href="../optimize/TransformExtendCombine.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformExtendCombine</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">An optimizer that aims to combine multiple extend clauses together.</div> |
| </div> |
| <div class="col-first even-row-color"><code>class </code></div> |
| <div class="col-second even-row-color"><code><a href="../optimize/TransformFilterConjunction.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformFilterConjunction</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Redo FILTER (A&&B) as FILTER(A) FILTER(B) (as an expr list).</div> |
| </div> |
| <div class="col-first odd-row-color"><code>class </code></div> |
| <div class="col-second odd-row-color"><code><a href="../optimize/TransformFilterDisjunction.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformFilterDisjunction</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Filter disjunction.</div> |
| </div> |
| <div class="col-first even-row-color"><code>class </code></div> |
| <div class="col-second even-row-color"><code><a href="../optimize/TransformFilterEquality.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformFilterEquality</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">A transform that aims to optimize queries where there is an equality |
| constraint on a variable to speed up evaluation e.g</div> |
| </div> |
| <div class="col-first odd-row-color"><code>class </code></div> |
| <div class="col-second odd-row-color"><code><a href="../optimize/TransformFilterImplicitJoin.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformFilterImplicitJoin</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block"> |
| Optimizer for transforming implicit joins.</div> |
| </div> |
| <div class="col-first even-row-color"><code>class </code></div> |
| <div class="col-second even-row-color"><code><a href="../optimize/TransformFilterInequality.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformFilterInequality</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">A transform that aims to optimize queries where there is an inequality |
| constraint on a variable in an attempt to speed up evaluation e.g</div> |
| </div> |
| <div class="col-first odd-row-color"><code>class </code></div> |
| <div class="col-second odd-row-color"><code><a href="../optimize/TransformFilterPlacement.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformFilterPlacement</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Rewrite an algebra expression to put filters as close to their bound |
| variables.</div> |
| </div> |
| <div class="col-first even-row-color"><code>class </code></div> |
| <div class="col-second even-row-color"><code><a href="../optimize/TransformFilterPlacementConservative.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformFilterPlacementConservative</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Rewrite an algebra expression to put filters as close to their bound |
| variables in a BGP.</div> |
| </div> |
| <div class="col-first odd-row-color"><code>class </code></div> |
| <div class="col-second odd-row-color"><code><a href="../optimize/TransformImplicitLeftJoin.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformImplicitLeftJoin</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block"> |
| Optimizer for transforming implicit joins.</div> |
| </div> |
| <div class="col-first even-row-color"><code>class </code></div> |
| <div class="col-second even-row-color"><code><a href="../optimize/TransformJoinStrategy.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformJoinStrategy</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Choose join strategy</div> |
| </div> |
| <div class="col-first odd-row-color"><code>class </code></div> |
| <div class="col-second odd-row-color"><code><a href="../optimize/TransformMergeBGPs.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformMergeBGPs</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Merge BGPs, additionally merges the special <a href="../op/OpTriple.html" title="class in org.apache.jena.sparql.algebra.op"><code>OpTriple</code></a> operator which is a BGP of a single triple pattern that |
| may be introduced by other transforms |
| |
| |
| (join BGP1 BGP2) => BGP |
| (sequence ...BGP1 BGP2 ...) => (sequence ...BGP ...) |
| </div> |
| </div> |
| <div class="col-first even-row-color"><code>class </code></div> |
| <div class="col-second even-row-color"><code><a href="../optimize/TransformOrderByDistinctApplication.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformOrderByDistinctApplication</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block"> |
| Improved optimization for <code>ORDER BY</code> plus <code>DISTINCT</code> or |
| <code>REDUCED</code> combinations, see JENA-441 for original proposal and |
| discussion.</div> |
| </div> |
| <div class="col-first odd-row-color"><code>class </code></div> |
| <div class="col-second odd-row-color"><code><a href="../optimize/TransformPathFlatten.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformPathFlatten</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Perform the equivalent of the transactions in the SPARQL 1.1 spec.</div> |
| </div> |
| <div class="col-first even-row-color"><code>class </code></div> |
| <div class="col-second even-row-color"><code><a href="../optimize/TransformPathFlattenAlgebra.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformPathFlattenAlgebra</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">The path transformation step mostly per the SPARQL 1.1 spec with some enhancement e.g.</div> |
| </div> |
| <div class="col-first odd-row-color"><code>class </code></div> |
| <div class="col-second odd-row-color"><code><a href="../optimize/TransformPattern2Join.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformPattern2Join</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Expand basic graph patterns and quad patterns to |
| joins of <code>(triple)</code> and <code>(quad)</code>.</div> |
| </div> |
| <div class="col-first even-row-color"><code>class </code></div> |
| <div class="col-second even-row-color"><code><a href="../optimize/TransformPromoteTableEmpty.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformPromoteTableEmpty</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Optimizer that ensures that <strong>table empty</strong> is promoted as high |
| up a query as is possible</div> |
| </div> |
| <div class="col-first odd-row-color"><code>class </code></div> |
| <div class="col-second odd-row-color"><code><a href="../optimize/TransformPropertyFunction.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformPropertyFunction</a></code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Rewrite to replace a property function property with the call to the property function implementation</div> |
| </div> |
| <div class="col-first even-row-color"><code>class </code></div> |
| <div class="col-second even-row-color"><code><a href="../optimize/TransformRemoveAssignment.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformRemoveAssignment</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">A transform capable of removing assignments from the algebra tree</div> |
| </div> |
| <div class="col-first odd-row-color"><code>class </code></div> |
| <div class="col-second odd-row-color"><code><a href="../optimize/TransformRemoveLabels.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformRemoveLabels</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>class </code></div> |
| <div class="col-second even-row-color"><code><a href="../optimize/TransformReorder.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformReorder</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">A Transformer that applies a reordering to all BGPs and Quad Patterns present in the algebra</div> |
| </div> |
| <div class="col-first odd-row-color"><code>class </code></div> |
| <div class="col-second odd-row-color"><code><a href="../optimize/TransformSimplify.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformSimplify</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>class </code></div> |
| <div class="col-second even-row-color"><code><a href="../optimize/TransformTopN.html" class="type-name-link" title="class in org.apache.jena.sparql.algebra.optimize">TransformTopN</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Optimization that changes queries that uses <code>OFFSET/LIMIT</code> and <code>ORDER BY</code> |
| to execute using <code>Top N</code>: i.e.</div> |
| </div> |
| </div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="org.apache.jena.sparql.engine.iterator"> |
| <h2>Uses of <a href="../TransformCopy.html" title="class in org.apache.jena.sparql.algebra">TransformCopy</a> in <a href="../../engine/iterator/package-summary.html">org.apache.jena.sparql.engine.iterator</a></h2> |
| <div class="caption"><span>Subclasses of <a href="../TransformCopy.html" title="class in org.apache.jena.sparql.algebra">TransformCopy</a> in <a href="../../engine/iterator/package-summary.html">org.apache.jena.sparql.engine.iterator</a></span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Class</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>static class </code></div> |
| <div class="col-second even-row-color"><code><a href="../../engine/iterator/QueryIterLateral.TransformInject.html" class="type-name-link" title="class in org.apache.jena.sparql.engine.iterator">QueryIterLateral.TransformInject</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| </ul> |
| </section> |
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