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| <title>StarTable (Apache Calcite API)</title> |
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| <script type="text/javascript">var evenRowColor = "even-row-color"; |
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| <li>Summary: </li> |
| <li><a href="#nested-class-summary">Nested</a> | </li> |
| <li><a href="#field-summary">Field</a> | </li> |
| <li>Constr | </li> |
| <li><a href="#method-summary">Method</a></li> |
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| <li>Detail: </li> |
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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.calcite.schema.impl</a></div> |
| <h1 title="Class StarTable" class="title">Class StarTable</h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a> |
| <div class="inheritance"><a href="AbstractTable.html" title="class in org.apache.calcite.schema.impl">org.apache.calcite.schema.impl.AbstractTable</a> |
| <div class="inheritance">org.apache.calcite.schema.impl.StarTable</div> |
| </div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a></code>, <code><a href="../TranslatableTable.html" title="interface in org.apache.calcite.schema">TranslatableTable</a></code>, <code><a href="../Wrapper.html" title="interface in org.apache.calcite.schema">Wrapper</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">StarTable</span> |
| <span class="extends-implements">extends <a href="AbstractTable.html" title="class in org.apache.calcite.schema.impl">AbstractTable</a> |
| implements <a href="../TranslatableTable.html" title="interface in org.apache.calcite.schema">TranslatableTable</a></span></div> |
| <div class="block">Virtual table that is composed of two or more tables joined together. |
| |
| <p>Star tables do not occur in end-user queries. They are introduced by the |
| optimizer to help matching queries to materializations, and used only |
| during the planning process.</p> |
| |
| <p>When a materialization is defined, if it involves a join, it is converted |
| to a query on top of a star table. Queries that are candidates to map onto |
| the materialization are mapped onto the same star table.</p></div> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ======== NESTED CLASS SUMMARY ======== --> |
| <li> |
| <section class="nested-class-summary" id="nested-class-summary"> |
| <h2>Nested Class Summary</h2> |
| <div class="caption"><span>Nested Classes</span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Class</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>static class </code></div> |
| <div class="col-second even-row-color"><code><a href="StarTable.StarTableScan.html" class="type-name-link" title="class in org.apache.calcite.schema.impl">StarTable.StarTableScan</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Relational expression that scans a <a href="StarTable.html" title="class in org.apache.calcite.schema.impl"><code>StarTable</code></a>.</div> |
| </div> |
| </div> |
| </section> |
| </li> |
| <!-- =========== FIELD SUMMARY =========== --> |
| <li> |
| <section class="field-summary" id="field-summary"> |
| <h2>Field Summary</h2> |
| <div class="caption"><span>Fields</span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Field</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code>@MonotonicNonNull <a href="../../util/ImmutableIntList.html" title="class in org.apache.calcite.util">ImmutableIntList</a></code></div> |
| <div class="col-second even-row-color"><code><a href="#fieldCounts" class="member-name-link">fieldCounts</a></code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Number of fields in each table's row type.</div> |
| </div> |
| <div class="col-first odd-row-color"><code>final <a href="../../materialize/Lattice.html" title="class in org.apache.calcite.materialize">Lattice</a></code></div> |
| <div class="col-second odd-row-color"><code><a href="#lattice" class="member-name-link">lattice</a></code></div> |
| <div class="col-last odd-row-color"> </div> |
| <div class="col-first even-row-color"><code>final com.google.common.collect.ImmutableList<<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a>></code></div> |
| <div class="col-second even-row-color"><code><a href="#tables" class="member-name-link">tables</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
| <div id="method-summary-table"> |
| <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div> |
| <div id="method-summary-table.tabpanel" role="tabpanel"> |
| <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="StarTable.html" title="class in org.apache.calcite.schema.impl">StarTable</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#add(org.apache.calcite.schema.Table)" class="member-name-link">add</a><wbr>(<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a> table)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>int</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#columnOffset(org.apache.calcite.schema.Table)" class="member-name-link">columnOffset</a><wbr>(<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a> table)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Returns the column offset of the first column of <code>table</code> in this |
| star table's output row type.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../Schema.TableType.html" title="enum in org.apache.calcite.schema">Schema.TableType</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getJdbcTableType()" class="member-name-link">getJdbcTableType</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Type of table.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getRowType(org.apache.calcite.rel.type.RelDataTypeFactory)" class="member-name-link">getRowType</a><wbr>(<a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Returns this table's row type.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="StarTable.html" title="class in org.apache.calcite.schema.impl">StarTable</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#of(org.apache.calcite.materialize.Lattice,java.util.List)" class="member-name-link">of</a><wbr>(<a href="../../materialize/Lattice.html" title="class in org.apache.calcite.materialize">Lattice</a> lattice, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a>> tables)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> |
| <div class="block">Creates a StarTable and registers it in a schema.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#toRel(org.apache.calcite.plan.RelOptTable.ToRelContext,org.apache.calcite.plan.RelOptTable)" class="member-name-link">toRel</a><wbr>(<a href="../../plan/RelOptTable.ToRelContext.html" title="interface in org.apache.calcite.plan">RelOptTable.ToRelContext</a> context, |
| <a href="../../plan/RelOptTable.html" title="interface in org.apache.calcite.plan">RelOptTable</a> table)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Converts this table into a <a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel"><code>relational expression</code></a>.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.calcite.schema.impl.AbstractTable">Methods inherited from class org.apache.calcite.schema.impl.<a href="AbstractTable.html" title="class in org.apache.calcite.schema.impl">AbstractTable</a></h3> |
| <code><a href="AbstractTable.html#getStatistic()">getStatistic</a>, <a href="AbstractTable.html#isRolledUp(java.lang.String)">isRolledUp</a>, <a href="AbstractTable.html#rolledUpColumnValidInsideAgg(java.lang.String,org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlNode,org.apache.calcite.config.CalciteConnectionConfig)">rolledUpColumnValidInsideAgg</a>, <a href="AbstractTable.html#unwrap(java.lang.Class)">unwrap</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.calcite.schema.Table">Methods inherited from interface org.apache.calcite.schema.<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a></h3> |
| <code><a href="../Table.html#getStatistic()">getStatistic</a>, <a href="../Table.html#isRolledUp(java.lang.String)">isRolledUp</a>, <a href="../Table.html#rolledUpColumnValidInsideAgg(java.lang.String,org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlNode,org.apache.calcite.config.CalciteConnectionConfig)">rolledUpColumnValidInsideAgg</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.calcite.schema.Wrapper">Methods inherited from interface org.apache.calcite.schema.<a href="../Wrapper.html" title="interface in org.apache.calcite.schema">Wrapper</a></h3> |
| <code><a href="../Wrapper.html#maybeUnwrap(java.lang.Class)">maybeUnwrap</a>, <a href="../Wrapper.html#unwrapOrThrow(java.lang.Class)">unwrapOrThrow</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <li> |
| <section class="field-details" id="field-detail"> |
| <h2>Field Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="lattice"> |
| <h3>lattice</h3> |
| <div class="member-signature"><span class="modifiers">public final</span> <span class="return-type"><a href="../../materialize/Lattice.html" title="class in org.apache.calcite.materialize">Lattice</a></span> <span class="element-name">lattice</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="tables"> |
| <h3>tables</h3> |
| <div class="member-signature"><span class="modifiers">public final</span> <span class="return-type">com.google.common.collect.ImmutableList<<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a>></span> <span class="element-name">tables</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="fieldCounts"> |
| <h3>fieldCounts</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">@MonotonicNonNull <a href="../../util/ImmutableIntList.html" title="class in org.apache.calcite.util">ImmutableIntList</a></span> <span class="element-name">fieldCounts</span></div> |
| <div class="block">Number of fields in each table's row type.</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="of(org.apache.calcite.materialize.Lattice,java.util.List)"> |
| <h3>of</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="StarTable.html" title="class in org.apache.calcite.schema.impl">StarTable</a></span> <span class="element-name">of</span><wbr><span class="parameters">(<a href="../../materialize/Lattice.html" title="class in org.apache.calcite.materialize">Lattice</a> lattice, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a>> tables)</span></div> |
| <div class="block">Creates a StarTable and registers it in a schema.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getJdbcTableType()"> |
| <h3>getJdbcTableType</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../Schema.TableType.html" title="enum in org.apache.calcite.schema">Schema.TableType</a></span> <span class="element-name">getJdbcTableType</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../Table.html#getJdbcTableType()">Table</a></code></span></div> |
| <div class="block">Type of table.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../Table.html#getJdbcTableType()">getJdbcTableType</a></code> in interface <code><a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a></code></dd> |
| <dt>Overrides:</dt> |
| <dd><code><a href="AbstractTable.html#getJdbcTableType()">getJdbcTableType</a></code> in class <code><a href="AbstractTable.html" title="class in org.apache.calcite.schema.impl">AbstractTable</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getRowType(org.apache.calcite.rel.type.RelDataTypeFactory)"> |
| <h3>getRowType</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></span> <span class="element-name">getRowType</span><wbr><span class="parameters">(<a href="../../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../Table.html#getRowType(org.apache.calcite.rel.type.RelDataTypeFactory)">Table</a></code></span></div> |
| <div class="block">Returns this table's row type. |
| |
| <p>This is a struct type whose |
| fields describe the names and types of the columns in this table.</p> |
| |
| <p>The implementer must use the type factory provided. This ensures that |
| the type is converted into a canonical form; other equal types in the same |
| query will use the same object.</p></div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../Table.html#getRowType(org.apache.calcite.rel.type.RelDataTypeFactory)">getRowType</a></code> in interface <code><a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a></code></dd> |
| <dt>Parameters:</dt> |
| <dd><code>typeFactory</code> - Type factory with which to create the type</dd> |
| <dt>Returns:</dt> |
| <dd>Row type</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="toRel(org.apache.calcite.plan.RelOptTable.ToRelContext,org.apache.calcite.plan.RelOptTable)"> |
| <h3>toRel</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a></span> <span class="element-name">toRel</span><wbr><span class="parameters">(<a href="../../plan/RelOptTable.ToRelContext.html" title="interface in org.apache.calcite.plan">RelOptTable.ToRelContext</a> context, |
| <a href="../../plan/RelOptTable.html" title="interface in org.apache.calcite.plan">RelOptTable</a> table)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../TranslatableTable.html#toRel(org.apache.calcite.plan.RelOptTable.ToRelContext,org.apache.calcite.plan.RelOptTable)">TranslatableTable</a></code></span></div> |
| <div class="block">Converts this table into a <a href="../../rel/RelNode.html" title="interface in org.apache.calcite.rel"><code>relational expression</code></a>.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../TranslatableTable.html#toRel(org.apache.calcite.plan.RelOptTable.ToRelContext,org.apache.calcite.plan.RelOptTable)">toRel</a></code> in interface <code><a href="../TranslatableTable.html" title="interface in org.apache.calcite.schema">TranslatableTable</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="add(org.apache.calcite.schema.Table)"> |
| <h3>add</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="StarTable.html" title="class in org.apache.calcite.schema.impl">StarTable</a></span> <span class="element-name">add</span><wbr><span class="parameters">(<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a> table)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="columnOffset(org.apache.calcite.schema.Table)"> |
| <h3>columnOffset</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">int</span> <span class="element-name">columnOffset</span><wbr><span class="parameters">(<a href="../Table.html" title="interface in org.apache.calcite.schema">Table</a> table)</span></div> |
| <div class="block">Returns the column offset of the first column of <code>table</code> in this |
| star table's output row type.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>table</code> - Table</dd> |
| <dt>Returns:</dt> |
| <dd>Column offset</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalArgumentException</a></code> - if table is not in this star</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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