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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.calcite.profile.ProfilerImpl.Run</li> |
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| <hr> |
| <pre>class <span class="typeNameLabel">ProfilerImpl.Run</span> |
| extends java.lang.Object</pre> |
| <div class="block">A run of the profiler.</div> |
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| <h3>Field Summary</h3> |
| <table class="memberSummary"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Field</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private java.util.List<<a href="Profiler.Column.html" title="class in org.apache.calcite.profile">Profiler.Column</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#columns">columns</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) java.util.Map<<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>,​<a href="Profiler.Distribution.html" title="class in org.apache.calcite.profile">Profiler.Distribution</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#distributions">distributions</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) java.util.Queue<<a href="ProfilerImpl.Space.html" title="class in org.apache.calcite.profile">ProfilerImpl.Space</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#doneQueue">doneQueue</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Combinations of columns that we have computed but whose successors have |
| not yet been computed.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) java.util.List<<a href="Profiler.FunctionalDependency.html" title="class in org.apache.calcite.profile">Profiler.FunctionalDependency</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#functionalDependencies">functionalDependencies</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private java.util.List<<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#keyOrdinalLists">keyOrdinalLists</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) <a href="../util/PartiallyOrderedSet.html" title="class in org.apache.calcite.util">PartiallyOrderedSet</a><<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#keyPoset">keyPoset</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) <a href="../util/PartiallyOrderedSet.html" title="class in org.apache.calcite.util">PartiallyOrderedSet</a><<a href="ProfilerImpl.Space.html" title="class in org.apache.calcite.profile">ProfilerImpl.Space</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#results">results</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) java.util.Set<<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#resultSet">resultSet</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Column ordinals that have ever been placed on <a href="#spaceQueue"><code>spaceQueue</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rowCount">rowCount</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) java.util.List<<a href="ProfilerImpl.Space.html" title="class in org.apache.calcite.profile">ProfilerImpl.Space</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#singletonSpaces">singletonSpaces</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">List of spaces that have one column.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) java.util.Deque<<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#spaceQueue">spaceQueue</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Combinations of columns that we will compute next pass.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) <a href="ProfilerImpl.SurpriseQueue.html" title="class in org.apache.calcite.profile">ProfilerImpl.SurpriseQueue</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#surprises">surprises</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) java.util.List<<a href="Profiler.Unique.html" title="class in org.apache.calcite.profile">Profiler.Unique</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#uniques">uniques</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <h3>Constructor Summary</h3> |
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| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.util.List,java.util.Collection)">Run</a></span>​(java.util.List<<a href="Profiler.Column.html" title="class in org.apache.calcite.profile">Profiler.Column</a>> columns, |
| java.util.Collection<<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>> initialGroups)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a Run.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
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| <h3>Method Summary</h3> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>private double</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#cardinality(double,org.apache.calcite.util.ImmutableBitSet)">cardinality</a></span>​(double rowCount, |
| <a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns)</code></th> |
| <td class="colLast"> |
| <div class="block">Estimates the cardinality of a collection of columns represented by |
| <code>columnOrdinals</code>, drawing on existing distributions.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#containsKey(org.apache.calcite.util.ImmutableBitSet)">containsKey</a></span>​(<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> ordinals)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>private double</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#expectedCardinality(double,org.apache.calcite.util.ImmutableBitSet)">expectedCardinality</a></span>​(double rowCount, |
| <a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns)</code></th> |
| <td class="colLast"> |
| <div class="block">Estimates the cardinality of a collection of columns represented by |
| <code>columnOrdinals</code>, drawing on existing distributions.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>(package private) java.util.List<<a href="ProfilerImpl.Space.html" title="class in org.apache.calcite.profile">ProfilerImpl.Space</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#nextBatch(int)">nextBatch</a></span>​(int pass)</code></th> |
| <td class="colLast"> |
| <div class="block">Populates <code>spaces</code> with the next batch.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>(package private) void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#pass(int,java.util.List,java.lang.Iterable)">pass</a></span>​(int pass, |
| java.util.List<<a href="ProfilerImpl.Space.html" title="class in org.apache.calcite.profile">ProfilerImpl.Space</a>> spaces, |
| java.lang.Iterable<java.util.List<java.lang.Comparable>> rows)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>(package private) <a href="Profiler.Profile.html" title="class in org.apache.calcite.profile">Profiler.Profile</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#profile(java.lang.Iterable)">profile</a></span>​(java.lang.Iterable<java.util.List<java.lang.Comparable>> rows)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>private com.google.common.collect.ImmutableSortedSet<<a href="Profiler.Column.html" title="class in org.apache.calcite.profile">Profiler.Column</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toColumns(java.lang.Iterable)">toColumns</a></span>​(java.lang.Iterable<java.lang.Integer> ordinals)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
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| </a> |
| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <!-- ============ FIELD DETAIL =========== --> |
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| </a> |
| <h3>Field Detail</h3> |
| <a id="columns"> |
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| </a> |
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| <h4>columns</h4> |
| <pre>private final java.util.List<<a href="Profiler.Column.html" title="class in org.apache.calcite.profile">Profiler.Column</a>> columns</pre> |
| </li> |
| </ul> |
| <a id="keyPoset"> |
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| <h4>keyPoset</h4> |
| <pre>final <a href="../util/PartiallyOrderedSet.html" title="class in org.apache.calcite.util">PartiallyOrderedSet</a><<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>> keyPoset</pre> |
| </li> |
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| <a id="distributions"> |
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| <h4>distributions</h4> |
| <pre>final java.util.Map<<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>,​<a href="Profiler.Distribution.html" title="class in org.apache.calcite.profile">Profiler.Distribution</a>> distributions</pre> |
| </li> |
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| <h4>singletonSpaces</h4> |
| <pre>final java.util.List<<a href="ProfilerImpl.Space.html" title="class in org.apache.calcite.profile">ProfilerImpl.Space</a>> singletonSpaces</pre> |
| <div class="block">List of spaces that have one column.</div> |
| </li> |
| </ul> |
| <a id="doneQueue"> |
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| </a> |
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| <h4>doneQueue</h4> |
| <pre>final java.util.Queue<<a href="ProfilerImpl.Space.html" title="class in org.apache.calcite.profile">ProfilerImpl.Space</a>> doneQueue</pre> |
| <div class="block">Combinations of columns that we have computed but whose successors have |
| not yet been computed. We may add some of those successors to |
| <a href="#spaceQueue"><code>spaceQueue</code></a>.</div> |
| </li> |
| </ul> |
| <a id="surprises"> |
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| <h4>surprises</h4> |
| <pre>final <a href="ProfilerImpl.SurpriseQueue.html" title="class in org.apache.calcite.profile">ProfilerImpl.SurpriseQueue</a> surprises</pre> |
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| <h4>spaceQueue</h4> |
| <pre>final java.util.Deque<<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>> spaceQueue</pre> |
| <div class="block">Combinations of columns that we will compute next pass.</div> |
| </li> |
| </ul> |
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| <h4>uniques</h4> |
| <pre>final java.util.List<<a href="Profiler.Unique.html" title="class in org.apache.calcite.profile">Profiler.Unique</a>> uniques</pre> |
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| <h4>functionalDependencies</h4> |
| <pre>final java.util.List<<a href="Profiler.FunctionalDependency.html" title="class in org.apache.calcite.profile">Profiler.FunctionalDependency</a>> functionalDependencies</pre> |
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| <h4>resultSet</h4> |
| <pre>final java.util.Set<<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>> resultSet</pre> |
| <div class="block">Column ordinals that have ever been placed on <a href="#spaceQueue"><code>spaceQueue</code></a>. |
| Ensures that we do not calculate the same combination more than once, |
| even though we generate a column set from multiple parents.</div> |
| </li> |
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| <h4>results</h4> |
| <pre>final <a href="../util/PartiallyOrderedSet.html" title="class in org.apache.calcite.util">PartiallyOrderedSet</a><<a href="ProfilerImpl.Space.html" title="class in org.apache.calcite.profile">ProfilerImpl.Space</a>> results</pre> |
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| <h4>keyOrdinalLists</h4> |
| <pre>private final java.util.List<<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>> keyOrdinalLists</pre> |
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| <h4>rowCount</h4> |
| <pre>private int rowCount</pre> |
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| <h4>Run</h4> |
| <pre>Run​(java.util.List<<a href="Profiler.Column.html" title="class in org.apache.calcite.profile">Profiler.Column</a>> columns, |
| java.util.Collection<<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a>> initialGroups)</pre> |
| <div class="block">Creates a Run.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>columns</code> - List of columns</dd> |
| <dd><code>initialGroups</code> - List of combinations of columns that should be |
| profiled early, because they may be interesting</dd> |
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| <pre class="methodSignature"><a href="Profiler.Profile.html" title="class in org.apache.calcite.profile">Profiler.Profile</a> profile​(java.lang.Iterable<java.util.List<java.lang.Comparable>> rows)</pre> |
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| <pre class="methodSignature">java.util.List<<a href="ProfilerImpl.Space.html" title="class in org.apache.calcite.profile">ProfilerImpl.Space</a>> nextBatch​(int pass)</pre> |
| <div class="block">Populates <code>spaces</code> with the next batch. |
| Returns an empty list if done.</div> |
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| <pre class="methodSignature">private boolean containsKey​(<a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> ordinals)</pre> |
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| <h4>pass</h4> |
| <pre class="methodSignature">void pass​(int pass, |
| java.util.List<<a href="ProfilerImpl.Space.html" title="class in org.apache.calcite.profile">ProfilerImpl.Space</a>> spaces, |
| java.lang.Iterable<java.util.List<java.lang.Comparable>> rows)</pre> |
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| <h4>cardinality</h4> |
| <pre class="methodSignature">private double cardinality​(double rowCount, |
| <a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns)</pre> |
| <div class="block">Estimates the cardinality of a collection of columns represented by |
| <code>columnOrdinals</code>, drawing on existing distributions.</div> |
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| <pre class="methodSignature">private double expectedCardinality​(double rowCount, |
| <a href="../util/ImmutableBitSet.html" title="class in org.apache.calcite.util">ImmutableBitSet</a> columns)</pre> |
| <div class="block">Estimates the cardinality of a collection of columns represented by |
| <code>columnOrdinals</code>, drawing on existing distributions. Does not |
| look in the distribution map for this column set.</div> |
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| <h4>toColumns</h4> |
| <pre class="methodSignature">private com.google.common.collect.ImmutableSortedSet<<a href="Profiler.Column.html" title="class in org.apache.calcite.profile">Profiler.Column</a>> toColumns​(java.lang.Iterable<java.lang.Integer> ordinals)</pre> |
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