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Posted to commits@trafodion.apache.org by sa...@apache.org on 2017/03/03 08:44:39 UTC
[19/49] incubator-trafodion-site git commit: Updates for python
installer documentation in provisioning guide.
http://git-wip-us.apache.org/repos/asf/incubator-trafodion-site/blob/be8dfc15/apidocs/2.1.0/tmudr_javadoc/apidocs/org/trafodion/sql/udr/TableInfo.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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+<html lang="en">
+<head>
+<!-- Generated by javadoc (version 1.7.0_99) on Fri Mar 03 08:42:48 UTC 2017 -->
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<title>TableInfo (trafodion-sql 2.1.0 API)</title>
+<meta name="date" content="2017-03-03">
+<link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<script type="text/javascript"><!--
+ if (location.href.indexOf('is-external=true') == -1) {
+ parent.document.title="TableInfo (trafodion-sql 2.1.0 API)";
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+<!-- ========= START OF TOP NAVBAR ======= -->
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+<li><a href="package-summary.html">Package</a></li>
+<li class="navBarCell1Rev">Class</li>
+<li><a href="class-use/TableInfo.html">Use</a></li>
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+<div class="subNav">
+<ul class="navList">
+<li><a href="../../../../org/trafodion/sql/udr/ProvenanceInfo.html" title="class in org.trafodion.sql.udr"><span class="strong">Prev Class</span></a></li>
+<li><a href="../../../../org/trafodion/sql/udr/TMUDRSerializableObject.html" title="class in org.trafodion.sql.udr"><span class="strong">Next Class</span></a></li>
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+<ul class="subNavList">
+<li>Summary: </li>
+<li>Nested | </li>
+<li>Field | </li>
+<li><a href="#constructor_summary">Constr</a> | </li>
+<li><a href="#method_summary">Method</a></li>
+</ul>
+<ul class="subNavList">
+<li>Detail: </li>
+<li>Field | </li>
+<li><a href="#constructor_detail">Constr</a> | </li>
+<li><a href="#method_detail">Method</a></li>
+</ul>
+</div>
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+<!-- -->
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+<!-- ========= END OF TOP NAVBAR ========= -->
+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">org.trafodion.sql.udr</div>
+<h2 title="Class TableInfo" class="title">Class TableInfo</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
+<li>
+<ul class="inheritance">
+<li><a href="../../../../org/trafodion/sql/udr/TMUDRSerializableObject.html" title="class in org.trafodion.sql.udr">org.trafodion.sql.udr.TMUDRSerializableObject</a></li>
+<li>
+<ul class="inheritance">
+<li><a href="../../../../org/trafodion/sql/udr/TupleInfo.html" title="class in org.trafodion.sql.udr">org.trafodion.sql.udr.TupleInfo</a></li>
+<li>
+<ul class="inheritance">
+<li>org.trafodion.sql.udr.TableInfo</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</li>
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+<pre>public class <span class="strong">TableInfo</span>
+extends <a href="../../../../org/trafodion/sql/udr/TupleInfo.html" title="class in org.trafodion.sql.udr">TupleInfo</a></pre>
+<div class="block">Describes a table-valued input or a table-valued output</div>
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+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
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+<td class="colOne"><code><strong><a href="../../../../org/trafodion/sql/udr/TableInfo.html#TableInfo()">TableInfo</a></strong>()</code> </td>
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+<caption><span>Methods</span><span class="tabEnd"> </span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
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+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../org/trafodion/sql/udr/TableInfo.html#addCardinalityConstraint(org.trafodion.sql.udr.CardinalityConstraintInfo)">addCardinalityConstraint</a></strong>(<a href="../../../../org/trafodion/sql/udr/CardinalityConstraintInfo.html" title="class in org.trafodion.sql.udr">CardinalityConstraintInfo</a> constraint)</code>
+<div class="block">Add a cardinality constraint to the UDF table-valued output.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../org/trafodion/sql/udr/TableInfo.html#addUniquenessConstraint(org.trafodion.sql.udr.UniqueConstraintInfo)">addUniquenessConstraint</a></strong>(<a href="../../../../org/trafodion/sql/udr/UniqueConstraintInfo.html" title="class in org.trafodion.sql.udr">UniqueConstraintInfo</a> constraint)</code>
+<div class="block">Add a uniqueness constraint to the UDF table-valued output.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="../../../../org/trafodion/sql/udr/ConstraintInfo.html" title="class in org.trafodion.sql.udr">ConstraintInfo</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../org/trafodion/sql/udr/TableInfo.html#getConstraint(int)">getConstraint</a></strong>(int i)</code>
+<div class="block">Get a constraint by index/ordinal number.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><strong><a href="../../../../org/trafodion/sql/udr/TableInfo.html#getEstimatedNumPartitions()">getEstimatedNumPartitions</a></strong>()</code>
+<div class="block">Get the estimated number of rows of this table.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>long</code></td>
+<td class="colLast"><code><strong><a href="../../../../org/trafodion/sql/udr/TableInfo.html#getEstimatedNumRows()">getEstimatedNumRows</a></strong>()</code>
+<div class="block">Get the estimated number of rows of this table.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>int</code></td>
+<td class="colLast"><code><strong><a href="../../../../org/trafodion/sql/udr/TableInfo.html#getNumConstraints()">getNumConstraints</a></strong>()</code>
+<div class="block">Get the number of constraints defined on this table.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="../../../../org/trafodion/sql/udr/OrderInfo.html" title="class in org.trafodion.sql.udr">OrderInfo</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../org/trafodion/sql/udr/TableInfo.html#getQueryOrdering()">getQueryOrdering</a></strong>()</code>
+<div class="block">Get the ORDER BY clause for this input table.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../../org/trafodion/sql/udr/PartitionInfo.html" title="class in org.trafodion.sql.udr">PartitionInfo</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../org/trafodion/sql/udr/TableInfo.html#getQueryPartitioning()">getQueryPartitioning</a></strong>()</code>
+<div class="block">Get the PARTITION BY clause for this input table.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>boolean</code></td>
+<td class="colLast"><code><strong><a href="../../../../org/trafodion/sql/udr/TableInfo.html#isStream()">isStream</a></strong>()</code>
+<div class="block">Returns whether the UDF result is treated as a continuous stream.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../org/trafodion/sql/udr/TableInfo.html#print()">print</a></strong>()</code>
+<div class="block">Print the object, for use in debugging.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../org/trafodion/sql/udr/TableInfo.html#setEstimatedNumRows(long)">setEstimatedNumRows</a></strong>(long rows)</code>
+<div class="block">Set the estimated number of rows for a UDF table-valued result.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../org/trafodion/sql/udr/TableInfo.html#setIsStream(boolean)">setIsStream</a></strong>(boolean stream)</code>
+<div class="block">Set whether a table should be treated as a stream.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
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+<pre>public long getEstimatedNumRows()</pre>
+<div class="block">Get the estimated number of rows of this table.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>Estimated number of rows.</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../org/trafodion/sql/udr/TableInfo.html#setEstimatedNumRows(long)"><code>setEstimatedNumRows(long)</code></a>,
+<a href="../../../../org/trafodion/sql/udr/TableInfo.html#getEstimatedNumPartitions()"><code>getEstimatedNumPartitions()</code></a></dd></dl>
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+<pre>public long getEstimatedNumPartitions()</pre>
+<div class="block">Get the estimated number of rows of this table.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>Estimated number of partitions, if the table
+ has a PARTITION BY clause, -1 otherwise.</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../org/trafodion/sql/udr/TableInfo.html#getEstimatedNumRows()"><code>getEstimatedNumRows()</code></a></dd></dl>
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+<pre>public <a href="../../../../org/trafodion/sql/udr/PartitionInfo.html" title="class in org.trafodion.sql.udr">PartitionInfo</a> getQueryPartitioning()</pre>
+<div class="block">Get the PARTITION BY clause for this input table.
+
+ <p> This returns either the PARTITION BY clause specified in the
+ SQL query, or the updated partitioning information, set by
+ UDRInvocationInfo#setChildPartitioning(), called during
+ UDR#describeParamsAndColumns().</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>Partitioning clause for this input table.</dd></dl>
+</li>
+</ul>
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+<div class="block">Get the ORDER BY clause for this input table.
+
+ <p> This returns either the ORDER BY clause specified in the
+ SQL query, or the updated ordering information, set by
+ UDRInvocationInfo#setChildOrdering(), called during
+ UDR#describeParamsAndColumns().</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>Ordering clause for this input table.</dd></dl>
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+<h4>isStream</h4>
+<pre>public boolean isStream()</pre>
+<div class="block">Returns whether the UDF result is treated as a continuous stream.
+
+ <p> Note: This is currently not supported. The method always returns false
+ for now.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>true if the UDF result is a stream, false otherwise.</dd></dl>
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+<h4>getNumConstraints</h4>
+<pre>public int getNumConstraints()</pre>
+<div class="block">Get the number of constraints defined on this table.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>Number of constraints defined on this table.</dd></dl>
+</li>
+</ul>
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+<h4>getConstraint</h4>
+<pre>public <a href="../../../../org/trafodion/sql/udr/ConstraintInfo.html" title="class in org.trafodion.sql.udr">ConstraintInfo</a> getConstraint(int i)
+ throws <a href="../../../../org/trafodion/sql/udr/UDRException.html" title="class in org.trafodion.sql.udr">UDRException</a></pre>
+<div class="block">Get a constraint by index/ordinal number.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>i</code> - index/ordinal (0-based) of the constraint.</dd>
+<dt><span class="strong">Returns:</span></dt><dd>Constraint for a given index/ordinal.</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="../../../../org/trafodion/sql/udr/UDRException.html" title="class in org.trafodion.sql.udr">UDRException</a></code></dd></dl>
+</li>
+</ul>
+<a name="setEstimatedNumRows(long)">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>setEstimatedNumRows</h4>
+<pre>public void setEstimatedNumRows(long rows)</pre>
+<div class="block">Set the estimated number of rows for a UDF table-valued result.
+
+ <p> Setting this value can help the Trafodion optimizer generate a better
+ plan for queries containing table-valued UDFs. Note that this is only
+ an estimate, a strict correspondence to the actual number of rows
+ returned at runtime is not required.
+
+ <p> Only use this method from within the following methods:
+ <ul>
+ <li> UDR#describeParamsAndColumns()
+ <li> UDR#describeDataflowAndPredicates()
+ <li> UDR#describeConstraints()
+ <li> UDR#describeStatistics()
+ </ul></div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>rows</code> - Estimated number of rows for this table.</dd></dl>
+</li>
+</ul>
+<a name="addCardinalityConstraint(org.trafodion.sql.udr.CardinalityConstraintInfo)">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>addCardinalityConstraint</h4>
+<pre>public void addCardinalityConstraint(<a href="../../../../org/trafodion/sql/udr/CardinalityConstraintInfo.html" title="class in org.trafodion.sql.udr">CardinalityConstraintInfo</a> constraint)</pre>
+<div class="block">Add a cardinality constraint to the UDF table-valued output.
+
+ <p> Only use this method from within the following methods:
+ <ul>
+ <li> UDR#describeParamsAndColumns()
+ <li> UDR#describeDataflowAndPredicates()
+ <li> UDR#describeConstraints()
+ </ul></div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>constraint</code> - New constraint to add.</dd></dl>
+</li>
+</ul>
+<a name="addUniquenessConstraint(org.trafodion.sql.udr.UniqueConstraintInfo)">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>addUniquenessConstraint</h4>
+<pre>public void addUniquenessConstraint(<a href="../../../../org/trafodion/sql/udr/UniqueConstraintInfo.html" title="class in org.trafodion.sql.udr">UniqueConstraintInfo</a> constraint)
+ throws <a href="../../../../org/trafodion/sql/udr/UDRException.html" title="class in org.trafodion.sql.udr">UDRException</a></pre>
+<div class="block">Add a uniqueness constraint to the UDF table-valued output.
+
+ <p> Only use this method from within the following methods:
+ <ul>
+ <li> UDR#describeParamsAndColumns()
+ <li> UDR#describeDataflowAndPredicates()
+ <li> UDR#describeConstraints()
+ </ul></div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>constraint</code> - New uniqueness constraint to add.</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="../../../../org/trafodion/sql/udr/UDRException.html" title="class in org.trafodion.sql.udr">UDRException</a></code></dd></dl>
+</li>
+</ul>
+<a name="setIsStream(boolean)">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>setIsStream</h4>
+<pre>public void setIsStream(boolean stream)
+ throws <a href="../../../../org/trafodion/sql/udr/UDRException.html" title="class in org.trafodion.sql.udr">UDRException</a></pre>
+<div class="block">Set whether a table should be treated as a stream.
+
+ <p> This method is not yet supported.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>stream</code> - true if the table is a stream, false otherwise.</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="../../../../org/trafodion/sql/udr/UDRException.html" title="class in org.trafodion.sql.udr">UDRException</a></code></dd></dl>
+</li>
+</ul>
+<a name="print()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>print</h4>
+<pre>public void print()
+ throws <a href="../../../../org/trafodion/sql/udr/UDRException.html" title="class in org.trafodion.sql.udr">UDRException</a></pre>
+<div class="block">Print the object, for use in debugging.</div>
+<dl>
+<dt><strong>Overrides:</strong></dt>
+<dd><code><a href="../../../../org/trafodion/sql/udr/TupleInfo.html#print()">print</a></code> in class <code><a href="../../../../org/trafodion/sql/udr/TupleInfo.html" title="class in org.trafodion.sql.udr">TupleInfo</a></code></dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="../../../../org/trafodion/sql/udr/UDRException.html" title="class in org.trafodion.sql.udr">UDRException</a></code></dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../org/trafodion/sql/udr/UDR.html#debugLoop()"><code>UDR.debugLoop()</code></a>,
+<a href="../../../../org/trafodion/sql/udr/UDRInvocationInfo.DebugFlags.html#PRINT_INVOCATION_INFO_AT_RUN_TIME"><code>UDRInvocationInfo.DebugFlags.PRINT_INVOCATION_INFO_AT_RUN_TIME</code></a></dd></dl>
+</li>
+</ul>
+<a name="toString(boolean)">
+<!-- -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>toString</h4>
+<pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> toString(boolean longForm)</pre>
+</li>
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