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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.adapter.clone</a></div> |
| <h2 title="Class ColumnLoader" class="title">Class ColumnLoader<T></h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.calcite.adapter.clone.ColumnLoader<T></li> |
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| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>T</code> - Element type of source table</dd> |
| </dl> |
| <hr> |
| <pre>class <span class="typeNameLabel">ColumnLoader<T></span> |
| extends java.lang.Object</pre> |
| <div class="block">Column loader.</div> |
| </li> |
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| <table class="memberSummary"> |
| <caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="ColumnLoader.Kev.html" title="class in org.apache.calcite.adapter.clone">ColumnLoader.Kev</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Key-value pair.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="ColumnLoader.ValueSet.html" title="class in org.apache.calcite.adapter.clone">ColumnLoader.ValueSet</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Set of values of a column, created during the load process, and converted |
| to a serializable (and more compact) form before load completes.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
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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>(package private) static int[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#INT_B">INT_B</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) static int[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#INT_S">INT_S</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>java.util.List<<a href="ColumnLoader.html" title="type parameter in ColumnLoader">T</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#list">list</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) static long[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#LONG_B">LONG_B</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) static int[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#LONG_S">LONG_S</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>java.util.List<<a href="ArrayTable.Column.html" title="class in org.apache.calcite.adapter.clone">ArrayTable.Column</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#representationValues">representationValues</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#sortField">sortField</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="../java/JavaTypeFactory.html" title="interface in org.apache.calcite.adapter.java">JavaTypeFactory</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#typeFactory">typeFactory</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| </a> |
| <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(org.apache.calcite.adapter.java.JavaTypeFactory,org.apache.calcite.linq4j.Enumerable,org.apache.calcite.rel.type.RelProtoDataType,java.util.List)">ColumnLoader</a></span>​(<a href="../java/JavaTypeFactory.html" title="interface in org.apache.calcite.adapter.java">JavaTypeFactory</a> typeFactory, |
| <a href="../../linq4j/Enumerable.html" title="interface in org.apache.calcite.linq4j">Enumerable</a><<a href="ColumnLoader.html" title="type parameter in ColumnLoader">T</a>> sourceTable, |
| <a href="../../rel/type/RelProtoDataType.html" title="interface in org.apache.calcite.rel.type">RelProtoDataType</a> protoRowType, |
| java.util.List<org.apache.calcite.avatica.ColumnMetaData.Rep> repList)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a column loader, and performs the load.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></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>(package private) static int[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#invert(int%5B%5D)">invert</a></span>​(int[] targets)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>(package private) static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isIdentity(int%5B%5D)">isIdentity</a></span>​(int[] sources)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>private void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#load(org.apache.calcite.rel.type.RelDataType,java.util.List,int%5B%5D)">load</a></span>​(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> elementType, |
| java.util.List<org.apache.calcite.avatica.ColumnMetaData.Rep> repList, |
| int[] sort)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>(package private) static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#log2(int)">log2</a></span>​(int v)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>(package private) static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#log2(long)">log2</a></span>​(long v)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>(package private) static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#nextPowerOf2(int)">nextPowerOf2</a></span>​(int v)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>(package private) static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#nextPowerOf2(long)">nextPowerOf2</a></span>​(long v)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#size()">size</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>private static java.util.List</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#wrap(org.apache.calcite.avatica.ColumnMetaData.Rep,java.util.List,org.apache.calcite.rel.type.RelDataType)">wrap</a></span>​(org.apache.calcite.avatica.ColumnMetaData.Rep rep, |
| java.util.List list, |
| <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type)</code></th> |
| <td class="colLast"> |
| <div class="block">Adapt for some types that we represent differently internally than their |
| JDBC types.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </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"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
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| <ul class="blockList"> |
| <li class="blockList"><a id="field.detail"> |
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| </a> |
| <h3>Field Detail</h3> |
| <a id="INT_B"> |
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| </a> |
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| <h4>INT_B</h4> |
| <pre>static final int[] INT_B</pre> |
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| </a> |
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| <h4>INT_S</h4> |
| <pre>static final int[] INT_S</pre> |
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| </a> |
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| <h4>LONG_B</h4> |
| <pre>static final long[] LONG_B</pre> |
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| </a> |
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| <h4>LONG_S</h4> |
| <pre>static final int[] LONG_S</pre> |
| </li> |
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| <a id="list"> |
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| </a> |
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| <h4>list</h4> |
| <pre>public final java.util.List<<a href="ColumnLoader.html" title="type parameter in ColumnLoader">T</a>> list</pre> |
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| </ul> |
| <a id="representationValues"> |
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| </a> |
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| <h4>representationValues</h4> |
| <pre>public final java.util.List<<a href="ArrayTable.Column.html" title="class in org.apache.calcite.adapter.clone">ArrayTable.Column</a>> representationValues</pre> |
| </li> |
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| <a id="typeFactory"> |
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| </a> |
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| <h4>typeFactory</h4> |
| <pre>private final <a href="../java/JavaTypeFactory.html" title="interface in org.apache.calcite.adapter.java">JavaTypeFactory</a> typeFactory</pre> |
| </li> |
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| <a id="sortField"> |
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| </a> |
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| <h4>sortField</h4> |
| <pre>public final int sortField</pre> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <section role="region"> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a id="<init>(org.apache.calcite.adapter.java.JavaTypeFactory,org.apache.calcite.linq4j.Enumerable,org.apache.calcite.rel.type.RelProtoDataType,java.util.List)"> |
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| <h4>ColumnLoader</h4> |
| <pre>ColumnLoader​(<a href="../java/JavaTypeFactory.html" title="interface in org.apache.calcite.adapter.java">JavaTypeFactory</a> typeFactory, |
| <a href="../../linq4j/Enumerable.html" title="interface in org.apache.calcite.linq4j">Enumerable</a><<a href="ColumnLoader.html" title="type parameter in ColumnLoader">T</a>> sourceTable, |
| <a href="../../rel/type/RelProtoDataType.html" title="interface in org.apache.calcite.rel.type">RelProtoDataType</a> protoRowType, |
| java.util.List<org.apache.calcite.avatica.ColumnMetaData.Rep> repList)</pre> |
| <div class="block">Creates a column loader, and performs the load.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>typeFactory</code> - Type factory</dd> |
| <dd><code>sourceTable</code> - Source data</dd> |
| <dd><code>protoRowType</code> - Logical row type</dd> |
| <dd><code>repList</code> - Physical row types, or null if not known</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
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| <h4>nextPowerOf2</h4> |
| <pre class="methodSignature">static int nextPowerOf2​(int v)</pre> |
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| <h4>nextPowerOf2</h4> |
| <pre class="methodSignature">static long nextPowerOf2​(long v)</pre> |
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| <pre class="methodSignature">static int log2​(int v)</pre> |
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| <pre class="methodSignature">static int log2​(long v)</pre> |
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| <h4>invert</h4> |
| <pre class="methodSignature">static int[] invert​(int[] targets)</pre> |
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| <h4>size</h4> |
| <pre class="methodSignature">public int size()</pre> |
| </li> |
| </ul> |
| <a id="load(org.apache.calcite.rel.type.RelDataType,java.util.List,int[])"> |
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| <h4>load</h4> |
| <pre class="methodSignature">private void load​(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> elementType, |
| java.util.List<org.apache.calcite.avatica.ColumnMetaData.Rep> repList, |
| int[] sort)</pre> |
| </li> |
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| <h4>wrap</h4> |
| <pre class="methodSignature">private static java.util.List wrap​(org.apache.calcite.avatica.ColumnMetaData.Rep rep, |
| java.util.List list, |
| <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type)</pre> |
| <div class="block">Adapt for some types that we represent differently internally than their |
| JDBC types. <code>Timestamp</code> values that are not null are |
| converted to <code>long</code>, but nullable timestamps are acquired using |
| <code>ResultSet.getObject(int)</code> and therefore the Timestamp |
| value needs to be converted to a <code>Long</code>. Similarly |
| <code>Date</code> and <code>Time</code> values to |
| <code>Integer</code>.</div> |
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