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<div class="subTitle">org.apache.calcite.config</div>
<h2 title="类 CalciteSystemProperty" class="title">类 CalciteSystemProperty&lt;T&gt;</h2>
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<li>org.apache.calcite.config.CalciteSystemProperty&lt;T&gt;</li>
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<dt><span class="paramLabel">类型参数:</span></dt>
<dd><code>T</code> - the type of the property value</dd>
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<pre>public final class <span class="typeNameLabel">CalciteSystemProperty&lt;T&gt;</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">Object</a></pre>
<div class="block">A Calcite specific system property that is used to configure various aspects of the framework.
<p>Calcite system properties must always be in the "calcite" root namespace.</p></div>
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<h3>字段概要</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="字段概要表, 列表字段和解释">
<caption><span>字段</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">限定符和类型</th>
<th class="colLast" scope="col">字段和说明</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#ALLOW_INFINITE_COST_CONVERTERS">ALLOW_INFINITE_COST_CONVERTERS</a></span></code>
<div class="block">Whether the optimizer will consider adding converters of infinite cost in
order to convert a relational expression from one calling convention to
another.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="java.lang中的类或接口">Integer</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#BINDABLE_CACHE_CONCURRENCY_LEVEL">BINDABLE_CACHE_CONCURRENCY_LEVEL</a></span></code>
<div class="block">The concurrency level of the cache used for storing Bindable objects, instantiated via
dynamically generated Java classes.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="java.lang中的类或接口">Integer</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#BINDABLE_CACHE_MAX_SIZE">BINDABLE_CACHE_MAX_SIZE</a></span></code>
<div class="block">The maximum size of the cache used for storing Bindable objects, instantiated via
dynamically generated Java classes.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#COMMUTE">COMMUTE</a></span></code>
<div class="block">Whether to exploit join commutative property.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#DEBUG">DEBUG</a></span></code>
<div class="block">Whether to run Calcite in debug mode.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#DEFAULT_CHARSET">DEFAULT_CHARSET</a></span></code>
<div class="block">The name of the default character set.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#DEFAULT_COLLATION">DEFAULT_COLLATION</a></span></code>
<div class="block">The name of the default collation.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#DEFAULT_COLLATION_STRENGTH">DEFAULT_COLLATION_STRENGTH</a></span></code>
<div class="block">The strength of the default collation.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#DEFAULT_NATIONAL_CHARSET">DEFAULT_NATIONAL_CHARSET</a></span></code>
<div class="block">The name of the default national character set.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#DUMP_GRAPHVIZ">DUMP_GRAPHVIZ</a></span></code>
<div class="block">Whether to include a GraphViz representation when dumping the state of the Volcano planner.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#DUMP_SETS">DUMP_SETS</a></span></code>
<div class="block">Whether to include <code>RelSet</code> information when dumping the state of the Volcano
planner.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#ENABLE_COLLATION_TRAIT">ENABLE_COLLATION_TRAIT</a></span></code>
<div class="block">Whether to enable the collation trait in the default planner configuration.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#ENABLE_ENUMERABLE">ENABLE_ENUMERABLE</a></span></code>
<div class="block">Whether the enumerable convention is enabled in the default planner configuration.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#ENABLE_REX_DIGEST_NORMALIZE">ENABLE_REX_DIGEST_NORMALIZE</a></span></code>
<div class="block">Whether RexNode digest should be normalized (e.g. call operands ordered).</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#ENABLE_STREAM">ENABLE_STREAM</a></span></code>
<div class="block">Whether streaming is enabled in the default planner configuration.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#ENUMERABLE_ENABLE_TABLESCAN_ARRAY">ENUMERABLE_ENABLE_TABLESCAN_ARRAY</a></span></code>
<div class="block">Whether the EnumerableTableScan should support ARRAY fields.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#ENUMERABLE_ENABLE_TABLESCAN_MAP">ENUMERABLE_ENABLE_TABLESCAN_MAP</a></span></code>
<div class="block">Whether the EnumerableTableScan should support MAP fields.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#ENUMERABLE_ENABLE_TABLESCAN_MULTISET">ENUMERABLE_ENABLE_TABLESCAN_MULTISET</a></span></code>
<div class="block">Whether the EnumerableTableScan should support MULTISET fields.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#INTEGRATION_TEST">INTEGRATION_TEST</a></span></code>
<div class="block">Whether to run integration tests.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="java.lang中的类或接口">Integer</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#METADATA_HANDLER_CACHE_MAXIMUM_SIZE">METADATA_HANDLER_CACHE_MAXIMUM_SIZE</a></span></code>
<div class="block">The maximum size of the cache of metadata handlers.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#STRICT">STRICT</a></span></code>
<div class="block">Whether to follow the SQL standard strictly.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#TEST_CASSANDRA">TEST_CASSANDRA</a></span></code>
<div class="block">Whether to run Cassandra tests.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#TEST_DATASET_PATH">TEST_DATASET_PATH</a></span></code>
<div class="block">Path to the dataset file that should used for integration tests.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#TEST_DB">TEST_DB</a></span></code>
<div class="block">Which database to use for tests that require a JDBC data source.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#TEST_DRUID">TEST_DRUID</a></span></code>
<div class="block">Whether to run Druid tests.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#TEST_FOODMART_QUERY_IDS">TEST_FOODMART_QUERY_IDS</a></span></code>
<div class="block">A list of ids designating the queries
(from query.json in new.hydromatic:foodmart-queries:0.4.1)
that should be run as part of FoodmartTest.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#TEST_MONGODB">TEST_MONGODB</a></span></code>
<div class="block">Whether to run MongoDB tests.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#TEST_REDIS">TEST_REDIS</a></span></code>
<div class="block">Whether to run Redis tests.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#TEST_SPLUNK">TEST_SPLUNK</a></span></code>
<div class="block">Whether to run Splunk tests.</div>
</td>
</tr>
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<caption><span id="t0" class="activeTableTab"><span>所有方法</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">实例方法</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">具体方法</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">限定符和类型</th>
<th class="colLast" scope="col">方法和说明</th>
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<td class="colFirst"><code><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="CalciteSystemProperty中的类型参数">T</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#value--">value</a></span>()</code>
<div class="block">Returns the value of this property.</div>
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<h3>从类继承的方法&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="java.lang中的类或接口">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="java.lang中的类或接口">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="java.lang中的类或接口">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="java.lang中的类或接口">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="java.lang中的类或接口">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="java.lang中的类或接口">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="java.lang中的类或接口">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="java.lang中的类或接口">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="java.lang中的类或接口">wait</a></code></li>
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<h4>DEBUG</h4>
<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; DEBUG</pre>
<div class="block">Whether to run Calcite in debug mode.
<p>When debug mode is activated significantly more information is gathered and printed to
STDOUT. It is most commonly used to print and identify problems in generated java code. Debug
mode is also used to perform more verifications at runtime, which are not performed during
normal execution.</p></div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; COMMUTE</pre>
<div class="block">Whether to exploit join commutative property.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; ENABLE_COLLATION_TRAIT</pre>
<div class="block">Whether to enable the collation trait in the default planner configuration.
<p>Some extra optimizations are possible if enabled, but queries should
work either way. At some point this will become a preference, or we will
run multiple phases: first disabled, then enabled.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; ENABLE_ENUMERABLE</pre>
<div class="block">Whether the enumerable convention is enabled in the default planner configuration.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; ENUMERABLE_ENABLE_TABLESCAN_ARRAY</pre>
<div class="block">Whether the EnumerableTableScan should support ARRAY fields.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; ENUMERABLE_ENABLE_TABLESCAN_MAP</pre>
<div class="block">Whether the EnumerableTableScan should support MAP fields.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; ENUMERABLE_ENABLE_TABLESCAN_MULTISET</pre>
<div class="block">Whether the EnumerableTableScan should support MULTISET fields.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; ENABLE_STREAM</pre>
<div class="block">Whether streaming is enabled in the default planner configuration.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; ENABLE_REX_DIGEST_NORMALIZE</pre>
<div class="block">Whether RexNode digest should be normalized (e.g. call operands ordered).
<p>Normalization helps to treat $0=$1 and $1=$0 expressions equal, thus it saves efforts
on planning.</p></div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; STRICT</pre>
<div class="block">Whether to follow the SQL standard strictly.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; DUMP_GRAPHVIZ</pre>
<div class="block">Whether to include a GraphViz representation when dumping the state of the Volcano planner.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; DUMP_SETS</pre>
<div class="block">Whether to include <code>RelSet</code> information when dumping the state of the Volcano
planner.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; INTEGRATION_TEST</pre>
<div class="block">Whether to run integration tests.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt; TEST_DB</pre>
<div class="block">Which database to use for tests that require a JDBC data source.
<p>The property can take one of the following values:
<ul>
<li>HSQLDB (default)</li>
<li>H2</li>
<li>MYSQL</li>
<li>ORACLE</li>
<li>POSTGRESQL</li>
</ul>
<p>If the specified value is not included in the previous list, the default
is used.
<p>We recommend that casual users use hsqldb, and frequent Calcite
developers use MySQL. The test suite runs faster against the MySQL database
(mainly because of the 0.1 second versus 6 seconds startup time). You have
to populate MySQL manually with the foodmart data set, otherwise there will
be test failures.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt; TEST_DATASET_PATH</pre>
<div class="block">Path to the dataset file that should used for integration tests.
<p>If a path is not set, then one of the following values will be used:
<ul>
<li>../calcite-test-dataset</li>
<li>../../calcite-test-dataset</li>
<li>.</li>
</ul>
The first valid path that exists in the filesystem will be chosen.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; TEST_MONGODB</pre>
<div class="block">Whether to run MongoDB tests.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; TEST_SPLUNK</pre>
<div class="block">Whether to run Splunk tests.
<p>Disabled by default, because we do not expect Splunk to be installed
and populated with the data set necessary for testing.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; TEST_DRUID</pre>
<div class="block">Whether to run Druid tests.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; TEST_CASSANDRA</pre>
<div class="block">Whether to run Cassandra tests.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; TEST_REDIS</pre>
<div class="block">Whether to run Redis tests.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt; TEST_FOODMART_QUERY_IDS</pre>
<div class="block">A list of ids designating the queries
(from query.json in new.hydromatic:foodmart-queries:0.4.1)
that should be run as part of FoodmartTest.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="java.lang中的类或接口">Boolean</a>&gt; ALLOW_INFINITE_COST_CONVERTERS</pre>
<div class="block">Whether the optimizer will consider adding converters of infinite cost in
order to convert a relational expression from one calling convention to
another.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt; DEFAULT_CHARSET</pre>
<div class="block">The name of the default character set.
<p>It is used by <a href="../../../../org/apache/calcite/sql/validate/SqlValidator.html" title="org.apache.calcite.sql.validate中的接口"><code>SqlValidator</code></a>.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt; DEFAULT_NATIONAL_CHARSET</pre>
<div class="block">The name of the default national character set.
<p>It is used with the N'string' construct in
<a href="../../../../org/apache/calcite/sql/SqlLiteral.html#SqlLiteral-java.lang.Object-org.apache.calcite.sql.type.SqlTypeName-org.apache.calcite.sql.parser.SqlParserPos-"><code>SqlLiteral.SqlLiteral(java.lang.Object, org.apache.calcite.sql.type.SqlTypeName, org.apache.calcite.sql.parser.SqlParserPos)</code></a>
and may be different from the <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#DEFAULT_CHARSET"><code>DEFAULT_CHARSET</code></a>.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt; DEFAULT_COLLATION</pre>
<div class="block">The name of the default collation.
<p>It is used in <a href="../../../../org/apache/calcite/sql/SqlCollation.html" title="org.apache.calcite.sql中的类"><code>SqlCollation</code></a> and
<a href="../../../../org/apache/calcite/sql/SqlLiteral.html#SqlLiteral-java.lang.Object-org.apache.calcite.sql.type.SqlTypeName-org.apache.calcite.sql.parser.SqlParserPos-"><code>SqlLiteral.SqlLiteral(java.lang.Object, org.apache.calcite.sql.type.SqlTypeName, org.apache.calcite.sql.parser.SqlParserPos)</code></a>.</div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt; DEFAULT_COLLATION_STRENGTH</pre>
<div class="block">The strength of the default collation.
<p>It is used in <a href="../../../../org/apache/calcite/sql/SqlCollation.html" title="org.apache.calcite.sql中的类"><code>SqlCollation</code></a> and
<a href="../../../../org/apache/calcite/sql/SqlLiteral.html#SqlLiteral-java.lang.Object-org.apache.calcite.sql.type.SqlTypeName-org.apache.calcite.sql.parser.SqlParserPos-"><code>SqlLiteral.SqlLiteral(java.lang.Object, org.apache.calcite.sql.type.SqlTypeName, org.apache.calcite.sql.parser.SqlParserPos)</code></a>.</p></div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="java.lang中的类或接口">Integer</a>&gt; METADATA_HANDLER_CACHE_MAXIMUM_SIZE</pre>
<div class="block">The maximum size of the cache of metadata handlers.
<p>A typical value is the number of queries being concurrently prepared multiplied by the
number of types of metadata.</p>
<p>If the value is less than 0, there is no limit.</p></div>
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<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="java.lang中的类或接口">Integer</a>&gt; BINDABLE_CACHE_MAX_SIZE</pre>
<div class="block">The maximum size of the cache used for storing Bindable objects, instantiated via
dynamically generated Java classes.
<p>The default value is 0.</p>
<p>The property can take any value between [0, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true#MAX_VALUE" title="java.lang中的类或接口"><code>Integer.MAX_VALUE</code></a>] inclusive. If the
value is not valid (or not specified) then the default value is used.</p>
<p>The cached objects may be quite big so it is suggested to use a rather small cache size
(e.g., 1000). For the most common use cases a number close to 1000 should be enough to
alleviate the performance penalty of compiling and loading classes.</p>
<p>Setting this property to 0 disables the cache.</p></div>
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<h4>BINDABLE_CACHE_CONCURRENCY_LEVEL</h4>
<pre>public static final&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="org.apache.calcite.config中的类">CalciteSystemProperty</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="java.lang中的类或接口">Integer</a>&gt; BINDABLE_CACHE_CONCURRENCY_LEVEL</pre>
<div class="block">The concurrency level of the cache used for storing Bindable objects, instantiated via
dynamically generated Java classes.
<p>The default value is 1.</p>
<p>The property can take any value between [1, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true#MAX_VALUE" title="java.lang中的类或接口"><code>Integer.MAX_VALUE</code></a>] inclusive. If the
value is not valid (or not specified) then the default value is used.</p>
<p>This property has no effect if the cache is disabled (i.e., <a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html#BINDABLE_CACHE_MAX_SIZE"><code>BINDABLE_CACHE_MAX_SIZE</code></a>
set to 0.</p></div>
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<h4>value</h4>
<pre>public&nbsp;<a href="../../../../org/apache/calcite/config/CalciteSystemProperty.html" title="CalciteSystemProperty中的类型参数">T</a>&nbsp;value()</pre>
<div class="block">Returns the value of this property.</div>
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<dt><span class="returnLabel">返回:</span></dt>
<dd>the value of this property or <code>null</code> if a default value has not been
defined for this property.</dd>
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