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<div class="subTitle">org.apache.calcite.jdbc</div>
<h2 title="接口 CalciteConnection" class="title">接口 CalciteConnection</h2>
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<dt>所有超级接口:</dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="java.lang中的类或接口">AutoCloseable</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true" title="java.sql中的类或接口">Connection</a>, <a href="../../../../org/apache/calcite/linq4j/QueryProvider.html" title="org.apache.calcite.linq4j中的接口">QueryProvider</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Wrapper.html?is-external=true" title="java.sql中的类或接口">Wrapper</a></dd>
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<pre>public interface <span class="typeNameLabel">CalciteConnection</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true" title="java.sql中的类或接口">Connection</a>, <a href="../../../../org/apache/calcite/linq4j/QueryProvider.html" title="org.apache.calcite.linq4j中的接口">QueryProvider</a></pre>
<div class="block">Extension to Calcite's implementation of
<a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true" title="java.sql中的类或接口"><code>JDBC connection</code></a> allows schemas to be defined
dynamically.
<p>You can start off with an empty connection (no schemas), define one
or two schemas, and start querying them.</p>
<p>Since a <code>CalciteConnection</code> implements the linq4j
<a href="../../../../org/apache/calcite/linq4j/QueryProvider.html" title="org.apache.calcite.linq4j中的接口"><code>QueryProvider</code></a> interface, you can use a connection to execute
expression trees as queries.</p></div>
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<h3>字段概要</h3>
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<h3>从接口继承的字段&nbsp;java.sql.<a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true" title="java.sql中的类或接口">Connection</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#TRANSACTION_NONE" title="java.sql中的类或接口">TRANSACTION_NONE</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#TRANSACTION_READ_COMMITTED" title="java.sql中的类或接口">TRANSACTION_READ_COMMITTED</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#TRANSACTION_READ_UNCOMMITTED" title="java.sql中的类或接口">TRANSACTION_READ_UNCOMMITTED</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#TRANSACTION_REPEATABLE_READ" title="java.sql中的类或接口">TRANSACTION_REPEATABLE_READ</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#TRANSACTION_SERIALIZABLE" title="java.sql中的类或接口">TRANSACTION_SERIALIZABLE</a></code></li>
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<h3>方法概要</h3>
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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="t3" class="tableTab"><span><a href="javascript:show(4);">抽象方法</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/CalciteConnectionConfig.html" title="org.apache.calcite.config中的接口">CalciteConnectionConfig</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/jdbc/CalciteConnection.html#config--">config</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../org/apache/calcite/jdbc/CalcitePrepare.Context.html" title="org.apache.calcite.jdbc中的接口">CalcitePrepare.Context</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/jdbc/CalciteConnection.html#createPrepareContext--">createPrepareContext</a></span>()</code>
<div class="block">Creates a context for preparing a statement for execution.</div>
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<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Properties.html?is-external=true" title="java.util中的类或接口">Properties</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/jdbc/CalciteConnection.html#getProperties--">getProperties</a></span>()</code>
<div class="block">Returns an instance of the connection properties.</div>
</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/schema/SchemaPlus.html" title="org.apache.calcite.schema中的接口">SchemaPlus</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/jdbc/CalciteConnection.html#getRootSchema--">getRootSchema</a></span>()</code>
<div class="block">Returns the root schema.</div>
</td>
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<tr id="i4" class="altColor">
<td class="colFirst"><code><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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/jdbc/CalciteConnection.html#getSchema--">getSchema</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/adapter/java/JavaTypeFactory.html" title="org.apache.calcite.adapter.java中的接口">JavaTypeFactory</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/jdbc/CalciteConnection.html#getTypeFactory--">getTypeFactory</a></span>()</code>
<div class="block">Returns the type factory.</div>
</td>
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<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/jdbc/CalciteConnection.html#setSchema-java.lang.String-">setSchema</a></span>(<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>&nbsp;schema)</code>&nbsp;</td>
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<h3>从接口继承的方法&nbsp;java.sql.<a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true" title="java.sql中的类或接口">Connection</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#abort-java.util.concurrent.Executor-" title="java.sql中的类或接口">abort</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#clearWarnings--" title="java.sql中的类或接口">clearWarnings</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#close--" title="java.sql中的类或接口">close</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#commit--" title="java.sql中的类或接口">commit</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#createArrayOf-java.lang.String-java.lang.Object:A-" title="java.sql中的类或接口">createArrayOf</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#createBlob--" title="java.sql中的类或接口">createBlob</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#createClob--" title="java.sql中的类或接口">createClob</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#createNClob--" title="java.sql中的类或接口">createNClob</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#createSQLXML--" title="java.sql中的类或接口">createSQLXML</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#createStatement--" title="java.sql中的类或接口">createStatement</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#createStatement-int-int-" title="java.sql中的类或接口">createStatement</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#createStatement-int-int-int-" title="java.sql中的类或接口">createStatement</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#createStruct-java.lang.String-java.lang.Object:A-" title="java.sql中的类或接口">createStruct</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#getAutoCommit--" title="java.sql中的类或接口">getAutoCommit</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#getCatalog--" title="java.sql中的类或接口">getCatalog</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#getClientInfo--" title="java.sql中的类或接口">getClientInfo</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#getClientInfo-java.lang.String-" title="java.sql中的类或接口">getClientInfo</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#getHoldability--" title="java.sql中的类或接口">getHoldability</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#getMetaData--" title="java.sql中的类或接口">getMetaData</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#getNetworkTimeout--" title="java.sql中的类或接口">getNetworkTimeout</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#getTransactionIsolation--" title="java.sql中的类或接口">getTransactionIsolation</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#getTypeMap--" title="java.sql中的类或接口">getTypeMap</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#getWarnings--" title="java.sql中的类或接口">getWarnings</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#isClosed--" title="java.sql中的类或接口">isClosed</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#isReadOnly--" title="java.sql中的类或接口">isReadOnly</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#isValid-int-" title="java.sql中的类或接口">isValid</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#nativeSQL-java.lang.String-" title="java.sql中的类或接口">nativeSQL</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#prepareCall-java.lang.String-" title="java.sql中的类或接口">prepareCall</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#prepareCall-java.lang.String-int-int-" title="java.sql中的类或接口">prepareCall</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#prepareCall-java.lang.String-int-int-int-" title="java.sql中的类或接口">prepareCall</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#prepareStatement-java.lang.String-" title="java.sql中的类或接口">prepareStatement</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#prepareStatement-java.lang.String-int-" title="java.sql中的类或接口">prepareStatement</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#prepareStatement-java.lang.String-int:A-" title="java.sql中的类或接口">prepareStatement</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#prepareStatement-java.lang.String-int-int-" title="java.sql中的类或接口">prepareStatement</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#prepareStatement-java.lang.String-int-int-int-" title="java.sql中的类或接口">prepareStatement</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#prepareStatement-java.lang.String-java.lang.String:A-" title="java.sql中的类或接口">prepareStatement</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#releaseSavepoint-java.sql.Savepoint-" title="java.sql中的类或接口">releaseSavepoint</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#rollback--" title="java.sql中的类或接口">rollback</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#rollback-java.sql.Savepoint-" title="java.sql中的类或接口">rollback</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#setAutoCommit-boolean-" title="java.sql中的类或接口">setAutoCommit</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#setCatalog-java.lang.String-" title="java.sql中的类或接口">setCatalog</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#setClientInfo-java.util.Properties-" title="java.sql中的类或接口">setClientInfo</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#setClientInfo-java.lang.String-java.lang.String-" title="java.sql中的类或接口">setClientInfo</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#setHoldability-int-" title="java.sql中的类或接口">setHoldability</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#setNetworkTimeout-java.util.concurrent.Executor-int-" title="java.sql中的类或接口">setNetworkTimeout</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#setReadOnly-boolean-" title="java.sql中的类或接口">setReadOnly</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#setSavepoint--" title="java.sql中的类或接口">setSavepoint</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#setSavepoint-java.lang.String-" title="java.sql中的类或接口">setSavepoint</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#setTransactionIsolation-int-" title="java.sql中的类或接口">setTransactionIsolation</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#setTypeMap-java.util.Map-" title="java.sql中的类或接口">setTypeMap</a></code></li>
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<h3>从接口继承的方法&nbsp;java.sql.<a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Wrapper.html?is-external=true" title="java.sql中的类或接口">Wrapper</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Wrapper.html?is-external=true#isWrapperFor-java.lang.Class-" title="java.sql中的类或接口">isWrapperFor</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Wrapper.html?is-external=true#unwrap-java.lang.Class-" title="java.sql中的类或接口">unwrap</a></code></li>
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<h3>从接口继承的方法&nbsp;org.apache.calcite.linq4j.<a href="../../../../org/apache/calcite/linq4j/QueryProvider.html" title="org.apache.calcite.linq4j中的接口">QueryProvider</a></h3>
<code><a href="../../../../org/apache/calcite/linq4j/QueryProvider.html#createQuery-org.apache.calcite.linq4j.tree.Expression-java.lang.Class-">createQuery</a>, <a href="../../../../org/apache/calcite/linq4j/QueryProvider.html#createQuery-org.apache.calcite.linq4j.tree.Expression-java.lang.reflect.Type-">createQuery</a>, <a href="../../../../org/apache/calcite/linq4j/QueryProvider.html#execute-org.apache.calcite.linq4j.tree.Expression-java.lang.Class-">execute</a>, <a href="../../../../org/apache/calcite/linq4j/QueryProvider.html#execute-org.apache.calcite.linq4j.tree.Expression-java.lang.reflect.Type-">execute</a>, <a href="../../../../org/apache/calcite/linq4j/QueryProvider.html#executeQuery-org.apache.calcite.linq4j.Queryable-">executeQuery</a></code></li>
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<h4>getRootSchema</h4>
<pre><a href="../../../../org/apache/calcite/schema/SchemaPlus.html" title="org.apache.calcite.schema中的接口">SchemaPlus</a>&nbsp;getRootSchema()</pre>
<div class="block">Returns the root schema.
<p>You can define objects (such as relations) in this schema, and
also nested schemas.</p></div>
<dl>
<dt><span class="returnLabel">返回:</span></dt>
<dd>Root schema</dd>
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<h4>getTypeFactory</h4>
<pre><a href="../../../../org/apache/calcite/adapter/java/JavaTypeFactory.html" title="org.apache.calcite.adapter.java中的接口">JavaTypeFactory</a>&nbsp;getTypeFactory()</pre>
<div class="block">Returns the type factory.</div>
<dl>
<dt><span class="returnLabel">返回:</span></dt>
<dd>Type factory</dd>
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<h4>getProperties</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Properties.html?is-external=true" title="java.util中的类或接口">Properties</a>&nbsp;getProperties()</pre>
<div class="block">Returns an instance of the connection properties.
<p>NOTE: The resulting collection of properties is same collection used
by the connection, and is writable, but behavior if you modify the
collection is undefined. Some implementations might, for example, see
a modified property, but only if you set it before you create a
statement. We will remove this method when there are better
implementations of stateful connections and configuration.</p></div>
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<dt><span class="returnLabel">返回:</span></dt>
<dd>properties</dd>
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<h4>setSchema</h4>
<pre>void&nbsp;setSchema(<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>&nbsp;schema)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="java.sql中的类或接口">SQLException</a></pre>
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<dt><span class="overrideSpecifyLabel">指定者:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#setSchema-java.lang.String-" title="java.sql中的类或接口">setSchema</a></code>&nbsp;在接口中&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true" title="java.sql中的类或接口">Connection</a></code></dd>
<dt><span class="throwsLabel">抛出:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="java.sql中的类或接口">SQLException</a></code></dd>
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<h4>getSchema</h4>
<pre><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>&nbsp;getSchema()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="java.sql中的类或接口">SQLException</a></pre>
<dl>
<dt><span class="overrideSpecifyLabel">指定者:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true#getSchema--" title="java.sql中的类或接口">getSchema</a></code>&nbsp;在接口中&nbsp;<code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html?is-external=true" title="java.sql中的类或接口">Connection</a></code></dd>
<dt><span class="throwsLabel">抛出:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/sql/SQLException.html?is-external=true" title="java.sql中的类或接口">SQLException</a></code></dd>
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<h4>config</h4>
<pre><a href="../../../../org/apache/calcite/config/CalciteConnectionConfig.html" title="org.apache.calcite.config中的接口">CalciteConnectionConfig</a>&nbsp;config()</pre>
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<h4>createPrepareContext</h4>
<pre><a href="../../../../org/apache/calcite/jdbc/CalcitePrepare.Context.html" title="org.apache.calcite.jdbc中的接口">CalcitePrepare.Context</a>&nbsp;createPrepareContext()</pre>
<div class="block">Creates a context for preparing a statement for execution.</div>
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