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apache / shardingsphere-doc / 151c08835ae7ea864d1f5130ed16e6ef8ec2acc9 / . / statistics / staging / xref / org / apache / shardingsphere / sqlfederation / executor / AdvancedSQLFederationExecutor.html
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<div id="overview"><a href="../../../../../../apidocs/org/apache/shardingsphere/sqlfederation/executor/AdvancedSQLFederationExecutor.html">View Javadoc</a></div><pre>
<a class="jxr_linenumber" name="L1" href="#L1">1</a> <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="L2" href="#L2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em>
<a class="jxr_linenumber" name="L3" href="#L3">3</a> <em class="jxr_comment"> * contributor license agreements. See the NOTICE file distributed with</em>
<a class="jxr_linenumber" name="L4" href="#L4">4</a> <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em>
<a class="jxr_linenumber" name="L5" href="#L5">5</a> <em class="jxr_comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em>
<a class="jxr_linenumber" name="L6" href="#L6">6</a> <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em>
<a class="jxr_linenumber" name="L7" href="#L7">7</a> <em class="jxr_comment"> * the License. You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="L8" href="#L8">8</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L9" href="#L9">9</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="L10" href="#L10">10</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L11" href="#L11">11</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="L12" href="#L12">12</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a class="jxr_linenumber" name="L13" href="#L13">13</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a class="jxr_linenumber" name="L14" href="#L14">14</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
<a class="jxr_linenumber" name="L15" href="#L15">15</a> <em class="jxr_comment"> * limitations under the License.</em>
<a class="jxr_linenumber" name="L16" href="#L16">16</a> <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="L17" href="#L17">17</a>
<a class="jxr_linenumber" name="L18" href="#L18">18</a> <strong class="jxr_keyword">package</strong> org.apache.shardingsphere.sqlfederation.executor;
<a class="jxr_linenumber" name="L19" href="#L19">19</a>
<a class="jxr_linenumber" name="L20" href="#L20">20</a> <strong class="jxr_keyword">import</strong> com.google.common.base.Preconditions;
<a class="jxr_linenumber" name="L21" href="#L21">21</a> <strong class="jxr_keyword">import</strong> org.apache.calcite.adapter.enumerable.EnumerableInterpretable;
<a class="jxr_linenumber" name="L22" href="#L22">22</a> <strong class="jxr_keyword">import</strong> org.apache.calcite.adapter.enumerable.EnumerableRel;
<a class="jxr_linenumber" name="L23" href="#L23">23</a> <strong class="jxr_keyword">import</strong> org.apache.calcite.adapter.java.JavaTypeFactory;
<a class="jxr_linenumber" name="L24" href="#L24">24</a> <strong class="jxr_keyword">import</strong> org.apache.calcite.config.CalciteConnectionConfig;
<a class="jxr_linenumber" name="L25" href="#L25">25</a> <strong class="jxr_keyword">import</strong> org.apache.calcite.config.CalciteConnectionConfigImpl;
<a class="jxr_linenumber" name="L26" href="#L26">26</a> <strong class="jxr_keyword">import</strong> org.apache.calcite.jdbc.JavaTypeFactoryImpl;
<a class="jxr_linenumber" name="L27" href="#L27">27</a> <strong class="jxr_keyword">import</strong> org.apache.calcite.linq4j.Enumerator;
<a class="jxr_linenumber" name="L28" href="#L28">28</a> <strong class="jxr_keyword">import</strong> org.apache.calcite.plan.RelOptPlanner;
<a class="jxr_linenumber" name="L29" href="#L29">29</a> <strong class="jxr_keyword">import</strong> org.apache.calcite.prepare.CalciteCatalogReader;
<a class="jxr_linenumber" name="L30" href="#L30">30</a> <strong class="jxr_keyword">import</strong> org.apache.calcite.runtime.Bindable;
<a class="jxr_linenumber" name="L31" href="#L31">31</a> <strong class="jxr_keyword">import</strong> org.apache.calcite.schema.impl.AbstractSchema;
<a class="jxr_linenumber" name="L32" href="#L32">32</a> <strong class="jxr_keyword">import</strong> org.apache.calcite.sql.validate.SqlValidator;
<a class="jxr_linenumber" name="L33" href="#L33">33</a> <strong class="jxr_keyword">import</strong> org.apache.calcite.sql2rel.SqlToRelConverter;
<a class="jxr_linenumber" name="L34" href="#L34">34</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.infra.binder.statement.SQLStatementContext;
<a class="jxr_linenumber" name="L35" href="#L35">35</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.infra.binder.statement.dml.SelectStatementContext;
<a class="jxr_linenumber" name="L36" href="#L36">36</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.infra.config.props.ConfigurationProperties;
<a class="jxr_linenumber" name="L37" href="#L37">37</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.infra.database.type.DatabaseType;
<a class="jxr_linenumber" name="L38" href="#L38">38</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutionUnit;
<a class="jxr_linenumber" name="L39" href="#L39">39</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutor;
<a class="jxr_linenumber" name="L40" href="#L40">40</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutorCallback;
<a class="jxr_linenumber" name="L41" href="#L41">41</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.infra.executor.sql.execute.result.ExecuteResult;
<a class="jxr_linenumber" name="L42" href="#L42">42</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.infra.executor.sql.prepare.driver.DriverExecutionPrepareEngine;
<a class="jxr_linenumber" name="L43" href="#L43">43</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.infra.metadata.ShardingSphereMetaData;
<a class="jxr_linenumber" name="L44" href="#L44">44</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.infra.metadata.data.ShardingSphereData;
<a class="jxr_linenumber" name="L45" href="#L45">45</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase;
<a class="jxr_linenumber" name="L46" href="#L46">46</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.infra.metadata.database.rule.ShardingSphereRuleMetaData;
<a class="jxr_linenumber" name="L47" href="#L47">47</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.infra.metadata.database.schema.model.ShardingSphereSchema;
<a class="jxr_linenumber" name="L48" href="#L48">48</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.sqlfederation.executor.resultset.SQLFederationResultSet;
<a class="jxr_linenumber" name="L49" href="#L49">49</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.sqlfederation.optimizer.SQLOptimizeContext;
<a class="jxr_linenumber" name="L50" href="#L50">50</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.sqlfederation.optimizer.SQLOptimizeEngine;
<a class="jxr_linenumber" name="L51" href="#L51">51</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.sqlfederation.optimizer.context.OptimizerContext;
<a class="jxr_linenumber" name="L52" href="#L52">52</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.sqlfederation.optimizer.context.OptimizerContextFactory;
<a class="jxr_linenumber" name="L53" href="#L53">53</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.sqlfederation.optimizer.context.parser.OptimizerParserContext;
<a class="jxr_linenumber" name="L54" href="#L54">54</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.sqlfederation.optimizer.executor.TableScanExecutor;
<a class="jxr_linenumber" name="L55" href="#L55">55</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.sqlfederation.optimizer.metadata.schema.SQLFederationSchema;
<a class="jxr_linenumber" name="L56" href="#L56">56</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.sqlfederation.optimizer.util.SQLFederationPlannerUtils;
<a class="jxr_linenumber" name="L57" href="#L57">57</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.sqlfederation.spi.SQLFederationExecutor;
<a class="jxr_linenumber" name="L58" href="#L58">58</a> <strong class="jxr_keyword">import</strong> org.apache.shardingsphere.sqlfederation.spi.SQLFederationExecutorContext;
<a class="jxr_linenumber" name="L59" href="#L59">59</a>
<a class="jxr_linenumber" name="L60" href="#L60">60</a> <strong class="jxr_keyword">import</strong> java.sql.Connection;
<a class="jxr_linenumber" name="L61" href="#L61">61</a> <strong class="jxr_keyword">import</strong> java.sql.ResultSet;
<a class="jxr_linenumber" name="L62" href="#L62">62</a> <strong class="jxr_keyword">import</strong> java.sql.SQLException;
<a class="jxr_linenumber" name="L63" href="#L63">63</a> <strong class="jxr_keyword">import</strong> java.util.Collections;
<a class="jxr_linenumber" name="L64" href="#L64">64</a> <strong class="jxr_keyword">import</strong> java.util.HashMap;
<a class="jxr_linenumber" name="L65" href="#L65">65</a> <strong class="jxr_keyword">import</strong> java.util.List;
<a class="jxr_linenumber" name="L66" href="#L66">66</a> <strong class="jxr_keyword">import</strong> java.util.Map;
<a class="jxr_linenumber" name="L67" href="#L67">67</a>
<a class="jxr_linenumber" name="L68" href="#L68">68</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L69" href="#L69">69</a> <em class="jxr_javadoccomment"> * Advanced SQL federation executor.</em>
<a class="jxr_linenumber" name="L70" href="#L70">70</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L71" href="#L71">71</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a name="AdvancedSQLFederationExecutor" href="../../../../../org/apache/shardingsphere/sqlfederation/executor/AdvancedSQLFederationExecutor.html#AdvancedSQLFederationExecutor">AdvancedSQLFederationExecutor</a> <strong class="jxr_keyword">implements</strong> <a name="SQLFederationExecutor" href="../../../../../org/apache/shardingsphere/sqlfederation/spi/SQLFederationExecutor.html#SQLFederationExecutor">SQLFederationExecutor</a> {
<a class="jxr_linenumber" name="L72" href="#L72">72</a>
<a class="jxr_linenumber" name="L73" href="#L73">73</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> JavaTypeFactory JAVA_TYPE_FACTORY = <strong class="jxr_keyword">new</strong> JavaTypeFactoryImpl();
<a class="jxr_linenumber" name="L74" href="#L74">74</a>
<a class="jxr_linenumber" name="L75" href="#L75">75</a> <strong class="jxr_keyword">private</strong> String databaseName;
<a class="jxr_linenumber" name="L76" href="#L76">76</a>
<a class="jxr_linenumber" name="L77" href="#L77">77</a> <strong class="jxr_keyword">private</strong> String schemaName;
<a class="jxr_linenumber" name="L78" href="#L78">78</a>
<a class="jxr_linenumber" name="L79" href="#L79">79</a> <strong class="jxr_keyword">private</strong> <a name="OptimizerContext" href="../../../../../org/apache/shardingsphere/sqlfederation/optimizer/context/OptimizerContext.html#OptimizerContext">OptimizerContext</a> optimizerContext;
<a class="jxr_linenumber" name="L80" href="#L80">80</a>
<a class="jxr_linenumber" name="L81" href="#L81">81</a> <strong class="jxr_keyword">private</strong> <a name="ShardingSphereRuleMetaData" href="../../../../../org/apache/shardingsphere/infra/metadata/database/rule/ShardingSphereRuleMetaData.html#ShardingSphereRuleMetaData">ShardingSphereRuleMetaData</a> globalRuleMetaData;
<a class="jxr_linenumber" name="L82" href="#L82">82</a>
<a class="jxr_linenumber" name="L83" href="#L83">83</a> <strong class="jxr_keyword">private</strong> <a name="ConfigurationProperties" href="../../../../../org/apache/shardingsphere/infra/config/props/ConfigurationProperties.html#ConfigurationProperties">ConfigurationProperties</a> props;
<a class="jxr_linenumber" name="L84" href="#L84">84</a>
<a class="jxr_linenumber" name="L85" href="#L85">85</a> <strong class="jxr_keyword">private</strong> <a name="ShardingSphereData" href="../../../../../org/apache/shardingsphere/infra/metadata/data/ShardingSphereData.html#ShardingSphereData">ShardingSphereData</a> data;
<a class="jxr_linenumber" name="L86" href="#L86">86</a>
<a class="jxr_linenumber" name="L87" href="#L87">87</a> <strong class="jxr_keyword">private</strong> <a name="JDBCExecutor" href="../../../../../org/apache/shardingsphere/infra/executor/sql/execute/engine/driver/jdbc/JDBCExecutor.html#JDBCExecutor">JDBCExecutor</a> jdbcExecutor;
<a class="jxr_linenumber" name="L88" href="#L88">88</a>
<a class="jxr_linenumber" name="L89" href="#L89">89</a> <strong class="jxr_keyword">private</strong> ResultSet resultSet;
<a class="jxr_linenumber" name="L90" href="#L90">90</a>
<a class="jxr_linenumber" name="L91" href="#L91">91</a> @Override
<a class="jxr_linenumber" name="L92" href="#L92">92</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> init(<strong class="jxr_keyword">final</strong> String databaseName, <strong class="jxr_keyword">final</strong> String schemaName, <strong class="jxr_keyword">final</strong> <a name="ShardingSphereMetaData" href="../../../../../org/apache/shardingsphere/infra/metadata/ShardingSphereMetaData.html#ShardingSphereMetaData">ShardingSphereMetaData</a> metaData, <strong class="jxr_keyword">final</strong> <a name="ShardingSphereData" href="../../../../../org/apache/shardingsphere/infra/metadata/data/ShardingSphereData.html#ShardingSphereData">ShardingSphereData</a> data, <strong class="jxr_keyword">final</strong> <a name="JDBCExecutor" href="../../../../../org/apache/shardingsphere/infra/executor/sql/execute/engine/driver/jdbc/JDBCExecutor.html#JDBCExecutor">JDBCExecutor</a> jdbcExecutor) {
<a class="jxr_linenumber" name="L93" href="#L93">93</a> <strong class="jxr_keyword">this</strong>.databaseName = databaseName;
<a class="jxr_linenumber" name="L94" href="#L94">94</a> <strong class="jxr_keyword">this</strong>.schemaName = schemaName;
<a class="jxr_linenumber" name="L95" href="#L95">95</a> <strong class="jxr_keyword">this</strong>.optimizerContext = OptimizerContextFactory.create(metaData.getDatabases(), metaData.getGlobalRuleMetaData());
<a class="jxr_linenumber" name="L96" href="#L96">96</a> <strong class="jxr_keyword">this</strong>.globalRuleMetaData = metaData.getGlobalRuleMetaData();
<a class="jxr_linenumber" name="L97" href="#L97">97</a> <strong class="jxr_keyword">this</strong>.props = metaData.getProps();
<a class="jxr_linenumber" name="L98" href="#L98">98</a> <strong class="jxr_keyword">this</strong>.data = data;
<a class="jxr_linenumber" name="L99" href="#L99">99</a> <strong class="jxr_keyword">this</strong>.jdbcExecutor = jdbcExecutor;
<a class="jxr_linenumber" name="L100" href="#L100">100</a> }
<a class="jxr_linenumber" name="L101" href="#L101">101</a>
<a class="jxr_linenumber" name="L102" href="#L102">102</a> @Override
<a class="jxr_linenumber" name="L103" href="#L103">103</a> <strong class="jxr_keyword">public</strong> ResultSet executeQuery(<strong class="jxr_keyword">final</strong> DriverExecutionPrepareEngine&lt;JDBCExecutionUnit, Connection&gt; prepareEngine,
<a class="jxr_linenumber" name="L104" href="#L104">104</a> <strong class="jxr_keyword">final</strong> JDBCExecutorCallback&lt;? <strong class="jxr_keyword">extends</strong> ExecuteResult&gt; callback, <strong class="jxr_keyword">final</strong> <a name="SQLFederationExecutorContext" href="../../../../../org/apache/shardingsphere/sqlfederation/spi/SQLFederationExecutorContext.html#SQLFederationExecutorContext">SQLFederationExecutorContext</a> federationContext) {
<a class="jxr_linenumber" name="L105" href="#L105">105</a> <a name="SQLStatementContext" href="../../../../../org/apache/shardingsphere/infra/binder/statement/SQLStatementContext.html#SQLStatementContext">SQLStatementContext</a> sqlStatementContext = federationContext.getQueryContext().getSqlStatementContext();
<a class="jxr_linenumber" name="L106" href="#L106">106</a> Preconditions.checkArgument(sqlStatementContext instanceof SelectStatementContext, <span class="jxr_string">"SQL statement context must be select statement context."</span>);
<a class="jxr_linenumber" name="L107" href="#L107">107</a> <a name="ShardingSphereDatabase" href="../../../../../org/apache/shardingsphere/infra/metadata/database/ShardingSphereDatabase.html#ShardingSphereDatabase">ShardingSphereDatabase</a> database = federationContext.getMetaData().getDatabase(databaseName);
<a class="jxr_linenumber" name="L108" href="#L108">108</a> <a name="ShardingSphereSchema" href="../../../../../org/apache/shardingsphere/infra/metadata/database/schema/model/ShardingSphereSchema.html#ShardingSphereSchema">ShardingSphereSchema</a> schema = database.getSchema(schemaName);
<a class="jxr_linenumber" name="L109" href="#L109">109</a> AbstractSchema sqlFederationSchema = createSQLFederationSchema(prepareEngine, database.getProtocolType(), schema, callback, federationContext);
<a class="jxr_linenumber" name="L110" href="#L110">110</a> Map&lt;String, Object&gt; params = createParameters(federationContext.getQueryContext().getParameters());
<a class="jxr_linenumber" name="L111" href="#L111">111</a> resultSet = execute((<a name="SelectStatementContext" href="../../../../../org/apache/shardingsphere/infra/binder/statement/dml/SelectStatementContext.html#SelectStatementContext">SelectStatementContext</a>) sqlStatementContext, schema, sqlFederationSchema, params);
<a class="jxr_linenumber" name="L112" href="#L112">112</a> <strong class="jxr_keyword">return</strong> resultSet;
<a class="jxr_linenumber" name="L113" href="#L113">113</a> }
<a class="jxr_linenumber" name="L114" href="#L114">114</a>
<a class="jxr_linenumber" name="L115" href="#L115">115</a> <strong class="jxr_keyword">private</strong> Map&lt;String, Object&gt; createParameters(<strong class="jxr_keyword">final</strong> List&lt;Object&gt; params) {
<a class="jxr_linenumber" name="L116" href="#L116">116</a> Map&lt;String, Object&gt; result = <strong class="jxr_keyword">new</strong> HashMap&lt;&gt;(params.size(), 1F);
<a class="jxr_linenumber" name="L117" href="#L117">117</a> <strong class="jxr_keyword">int</strong> index = 0;
<a class="jxr_linenumber" name="L118" href="#L118">118</a> <strong class="jxr_keyword">for</strong> (Object each : params) {
<a class="jxr_linenumber" name="L119" href="#L119">119</a> result.put(<span class="jxr_string">"?"</span> + index++, each);
<a class="jxr_linenumber" name="L120" href="#L120">120</a> }
<a class="jxr_linenumber" name="L121" href="#L121">121</a> <strong class="jxr_keyword">return</strong> result;
<a class="jxr_linenumber" name="L122" href="#L122">122</a> }
<a class="jxr_linenumber" name="L123" href="#L123">123</a>
<a class="jxr_linenumber" name="L124" href="#L124">124</a> <strong class="jxr_keyword">private</strong> AbstractSchema createSQLFederationSchema(<strong class="jxr_keyword">final</strong> DriverExecutionPrepareEngine&lt;JDBCExecutionUnit, Connection&gt; prepareEngine, <strong class="jxr_keyword">final</strong> <a name="DatabaseType" href="../../../../../org/apache/shardingsphere/infra/database/type/DatabaseType.html#DatabaseType">DatabaseType</a> protocolType,
<a class="jxr_linenumber" name="L125" href="#L125">125</a> <strong class="jxr_keyword">final</strong> <a name="ShardingSphereSchema" href="../../../../../org/apache/shardingsphere/infra/metadata/database/schema/model/ShardingSphereSchema.html#ShardingSphereSchema">ShardingSphereSchema</a> schema,
<a class="jxr_linenumber" name="L126" href="#L126">126</a> <strong class="jxr_keyword">final</strong> JDBCExecutorCallback&lt;? <strong class="jxr_keyword">extends</strong> ExecuteResult&gt; callback, <strong class="jxr_keyword">final</strong> <a name="SQLFederationExecutorContext" href="../../../../../org/apache/shardingsphere/sqlfederation/spi/SQLFederationExecutorContext.html#SQLFederationExecutorContext">SQLFederationExecutorContext</a> federationContext) {
<a class="jxr_linenumber" name="L127" href="#L127">127</a> <a name="TableScanExecutorContext" href="../../../../../org/apache/shardingsphere/sqlfederation/executor/TableScanExecutorContext.html#TableScanExecutorContext">TableScanExecutorContext</a> executorContext = <strong class="jxr_keyword">new</strong> <a name="TableScanExecutorContext" href="../../../../../org/apache/shardingsphere/sqlfederation/executor/TableScanExecutorContext.html#TableScanExecutorContext">TableScanExecutorContext</a>(databaseName, schemaName, props, federationContext);
<a class="jxr_linenumber" name="L128" href="#L128">128</a> <a name="TableScanExecutor" href="../../../../../org/apache/shardingsphere/sqlfederation/optimizer/executor/TableScanExecutor.html#TableScanExecutor">TableScanExecutor</a> executor = <strong class="jxr_keyword">new</strong> <a name="TranslatableTableScanExecutor" href="../../../../../org/apache/shardingsphere/sqlfederation/executor/TranslatableTableScanExecutor.html#TranslatableTableScanExecutor">TranslatableTableScanExecutor</a>(prepareEngine, jdbcExecutor, callback, optimizerContext, globalRuleMetaData, executorContext, data);
<a class="jxr_linenumber" name="L129" href="#L129">129</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a name="SQLFederationSchema" href="../../../../../org/apache/shardingsphere/sqlfederation/optimizer/metadata/schema/SQLFederationSchema.html#SQLFederationSchema">SQLFederationSchema</a>(schemaName, schema, protocolType, JAVA_TYPE_FACTORY, executor);
<a class="jxr_linenumber" name="L130" href="#L130">130</a> }
<a class="jxr_linenumber" name="L131" href="#L131">131</a>
<a class="jxr_linenumber" name="L132" href="#L132">132</a> @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
<a class="jxr_linenumber" name="L133" href="#L133">133</a> <strong class="jxr_keyword">private</strong> ResultSet execute(<strong class="jxr_keyword">final</strong> <a name="SelectStatementContext" href="../../../../../org/apache/shardingsphere/infra/binder/statement/dml/SelectStatementContext.html#SelectStatementContext">SelectStatementContext</a> selectStatementContext, <strong class="jxr_keyword">final</strong> <a name="ShardingSphereSchema" href="../../../../../org/apache/shardingsphere/infra/metadata/database/schema/model/ShardingSphereSchema.html#ShardingSphereSchema">ShardingSphereSchema</a> schema, <strong class="jxr_keyword">final</strong> AbstractSchema sqlFederationSchema, <strong class="jxr_keyword">final</strong> Map&lt;String, Object&gt; params) {
<a class="jxr_linenumber" name="L134" href="#L134">134</a> <a name="OptimizerParserContext" href="../../../../../org/apache/shardingsphere/sqlfederation/optimizer/context/parser/OptimizerParserContext.html#OptimizerParserContext">OptimizerParserContext</a> parserContext = optimizerContext.getParserContext(databaseName);
<a class="jxr_linenumber" name="L135" href="#L135">135</a> CalciteConnectionConfig connectionConfig = <strong class="jxr_keyword">new</strong> CalciteConnectionConfigImpl(parserContext.getDialectProps());
<a class="jxr_linenumber" name="L136" href="#L136">136</a> CalciteCatalogReader catalogReader = SQLFederationPlannerUtils.createCatalogReader(schemaName, sqlFederationSchema, JAVA_TYPE_FACTORY, connectionConfig);
<a class="jxr_linenumber" name="L137" href="#L137">137</a> SqlValidator validator = SQLFederationPlannerUtils.createSqlValidator(catalogReader, JAVA_TYPE_FACTORY, parserContext.getDatabaseType(), connectionConfig);
<a class="jxr_linenumber" name="L138" href="#L138">138</a> SqlToRelConverter converter = SQLFederationPlannerUtils.createSqlToRelConverter(catalogReader, validator,
<a class="jxr_linenumber" name="L139" href="#L139">139</a> SQLFederationPlannerUtils.createRelOptCluster(JAVA_TYPE_FACTORY), optimizerContext.getSqlParserRule(), parserContext.getDatabaseType(), <strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="L140" href="#L140">140</a> RelOptPlanner hepPlanner = optimizerContext.getPlannerContext(databaseName).getHepPlanner();
<a class="jxr_linenumber" name="L141" href="#L141">141</a> <a name="SQLOptimizeContext" href="../../../../../org/apache/shardingsphere/sqlfederation/optimizer/SQLOptimizeContext.html#SQLOptimizeContext">SQLOptimizeContext</a> optimizeContext = <strong class="jxr_keyword">new</strong> <a name="SQLOptimizeEngine" href="../../../../../org/apache/shardingsphere/sqlfederation/optimizer/SQLOptimizeEngine.html#SQLOptimizeEngine">SQLOptimizeEngine</a>(converter, hepPlanner).optimize(selectStatementContext.getSqlStatement());
<a class="jxr_linenumber" name="L142" href="#L142">142</a> Bindable&lt;Object&gt; executablePlan = EnumerableInterpretable.toBindable(Collections.emptyMap(), <strong class="jxr_keyword">null</strong>, (EnumerableRel) optimizeContext.getBestPlan(), EnumerableRel.Prefer.ARRAY);
<a class="jxr_linenumber" name="L143" href="#L143">143</a> Enumerator&lt;Object&gt; enumerator = executablePlan.bind(<strong class="jxr_keyword">new</strong> <a name="SQLFederationDataContext" href="../../../../../org/apache/shardingsphere/sqlfederation/executor/SQLFederationDataContext.html#SQLFederationDataContext">SQLFederationDataContext</a>(validator, converter, params)).enumerator();
<a class="jxr_linenumber" name="L144" href="#L144">144</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a name="SQLFederationResultSet" href="../../../../../org/apache/shardingsphere/sqlfederation/executor/resultset/SQLFederationResultSet.html#SQLFederationResultSet">SQLFederationResultSet</a>(enumerator, schema, sqlFederationSchema, selectStatementContext, optimizeContext.getValidatedNodeType());
<a class="jxr_linenumber" name="L145" href="#L145">145</a> }
<a class="jxr_linenumber" name="L146" href="#L146">146</a>
<a class="jxr_linenumber" name="L147" href="#L147">147</a> @Override
<a class="jxr_linenumber" name="L148" href="#L148">148</a> <strong class="jxr_keyword">public</strong> ResultSet getResultSet() {
<a class="jxr_linenumber" name="L149" href="#L149">149</a> <strong class="jxr_keyword">return</strong> resultSet;
<a class="jxr_linenumber" name="L150" href="#L150">150</a> }
<a class="jxr_linenumber" name="L151" href="#L151">151</a>
<a class="jxr_linenumber" name="L152" href="#L152">152</a> @Override
<a class="jxr_linenumber" name="L153" href="#L153">153</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> close() <strong class="jxr_keyword">throws</strong> SQLException {
<a class="jxr_linenumber" name="L154" href="#L154">154</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">null</strong> != resultSet) {
<a class="jxr_linenumber" name="L155" href="#L155">155</a> resultSet.close();
<a class="jxr_linenumber" name="L156" href="#L156">156</a> }
<a class="jxr_linenumber" name="L157" href="#L157">157</a> }
<a class="jxr_linenumber" name="L158" href="#L158">158</a>
<a class="jxr_linenumber" name="L159" href="#L159">159</a> @Override
<a class="jxr_linenumber" name="L160" href="#L160">160</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isDefault() {
<a class="jxr_linenumber" name="L161" href="#L161">161</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="L162" href="#L162">162</a> }
<a class="jxr_linenumber" name="L163" href="#L163">163</a>
<a class="jxr_linenumber" name="L164" href="#L164">164</a> @Override
<a class="jxr_linenumber" name="L165" href="#L165">165</a> <strong class="jxr_keyword">public</strong> String getType() {
<a class="jxr_linenumber" name="L166" href="#L166">166</a> <strong class="jxr_keyword">return</strong> <span class="jxr_string">"ADVANCED"</span>;
<a class="jxr_linenumber" name="L167" href="#L167">167</a> }
<a class="jxr_linenumber" name="L168" href="#L168">168</a> }
</pre>
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