javadocAggregate/org/apache/calcite/adapter/enumerable/RexImpTable.html - calcite-site - Git at Google

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 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.adapter.enumerable</a></div>
 <h1 title="Class RexImpTable" class="title">Class RexImpTable</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">org.apache.calcite.adapter.enumerable.RexImpTable</div>
 </div>
 <section class="class-description" id="class-description">
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">RexImpTable</span>
 <span class="extends-implements">extends <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></span></div>
 <div class="block">Contains implementations of Rex operators as Java code.

  <p>Immutable.</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&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="RexImpTable.LagImplementor.html" class="type-name-link" title="class in org.apache.calcite.adapter.enumerable">RexImpTable.LagImplementor</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">Implementor for the <code>LAG</code> windowed aggregate function.</div>
 </div>
 <div class="col-first odd-row-color"><code>static class&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="RexImpTable.LeadImplementor.html" class="type-name-link" title="class in org.apache.calcite.adapter.enumerable">RexImpTable.LeadImplementor</a></code></div>
 <div class="col-last odd-row-color">
 <div class="block">Implementor for the <code>LEAD</code> windowed aggregate function.</div>
 </div>
 <div class="col-first even-row-color"><code>static enum&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="RexImpTable.NullAs.html" class="type-name-link" title="enum in org.apache.calcite.adapter.enumerable">RexImpTable.NullAs</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">Strategy what an operator should return if one of its
  arguments is null.</div>
 </div>
 <div class="col-first odd-row-color"><code>static interface&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="RexImpTable.RexCallImplementor.html" class="type-name-link" title="interface in org.apache.calcite.adapter.enumerable">RexImpTable.RexCallImplementor</a></code></div>
 <div class="col-last odd-row-color">
 <div class="block">Null-safe implementor of <code>RexCall</code>s.</div>
 </div>
 <div class="col-first even-row-color"><code>static class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="RexImpTable.UserDefinedAggReflectiveImplementor.html" class="type-name-link" title="class in org.apache.calcite.adapter.enumerable">RexImpTable.UserDefinedAggReflectiveImplementor</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">Implementor for user-defined aggregate functions.</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>static final <a href="../../linq4j/tree/MemberExpression.html" title="class in org.apache.calcite.linq4j.tree">MemberExpression</a></code></div>
 <div class="col-second even-row-color"><code><a href="#BOXED_FALSE_EXPR" class="member-name-link">BOXED_FALSE_EXPR</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>static final <a href="../../linq4j/tree/MemberExpression.html" title="class in org.apache.calcite.linq4j.tree">MemberExpression</a></code></div>
 <div class="col-second odd-row-color"><code><a href="#BOXED_TRUE_EXPR" class="member-name-link">BOXED_TRUE_EXPR</a></code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code>static final <a href="../../linq4j/tree/ConstantExpression.html" title="class in org.apache.calcite.linq4j.tree">ConstantExpression</a></code></div>
 <div class="col-second even-row-color"><code><a href="#COMMA_EXPR" class="member-name-link">COMMA_EXPR</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>static final <a href="../../linq4j/tree/ConstantExpression.html" title="class in org.apache.calcite.linq4j.tree">ConstantExpression</a></code></div>
 <div class="col-second odd-row-color"><code><a href="#FALSE_EXPR" class="member-name-link">FALSE_EXPR</a></code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code>static final <a href="RexImpTable.html" title="class in org.apache.calcite.adapter.enumerable">RexImpTable</a></code></div>
 <div class="col-second even-row-color"><code><a href="#INSTANCE" class="member-name-link">INSTANCE</a></code></div>
 <div class="col-last even-row-color">
 <div class="block">The singleton instance.</div>
 </div>
 <div class="col-first odd-row-color"><code>static final <a href="../../linq4j/tree/ConstantExpression.html" title="class in org.apache.calcite.linq4j.tree">ConstantExpression</a></code></div>
 <div class="col-second odd-row-color"><code><a href="#NULL_EXPR" class="member-name-link">NULL_EXPR</a></code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 <div class="col-first even-row-color"><code>static final <a href="../../linq4j/tree/ConstantExpression.html" title="class in org.apache.calcite.linq4j.tree">ConstantExpression</a></code></div>
 <div class="col-second even-row-color"><code><a href="#TRUE_EXPR" class="member-name-link">TRUE_EXPR</a></code></div>
 <div class="col-last even-row-color">&nbsp;</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-tab1 method-summary-table-tab4"><code>static <a href="CallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">CallImplementor</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#createImplementor(org.apache.calcite.adapter.enumerable.NotNullImplementor,org.apache.calcite.adapter.enumerable.NullPolicy,boolean)" class="member-name-link">createImplementor</a><wbr>(<a href="NotNullImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">NotNullImplementor</a>&nbsp;implementor,
  <a href="NullPolicy.html" title="enum in org.apache.calcite.adapter.enumerable">NullPolicy</a>&nbsp;nullPolicy,
  boolean&nbsp;harmonize)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>@Nullable <a href="AggImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">AggImplementor</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#get(org.apache.calcite.sql.SqlAggFunction,boolean)" class="member-name-link">get</a><wbr>(<a href="../../sql/SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a>&nbsp;aggregation,
  boolean&nbsp;forWindowAggregate)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="MatchImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">MatchImplementor</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#get(org.apache.calcite.sql.SqlMatchFunction)" class="member-name-link">get</a><wbr>(<a href="../../sql/SqlMatchFunction.html" title="class in org.apache.calcite.sql">SqlMatchFunction</a>&nbsp;function)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>@Nullable <a href="RexImpTable.RexCallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">RexImpTable.RexCallImplementor</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#get(org.apache.calcite.sql.SqlOperator)" class="member-name-link">get</a><wbr>(<a href="../../sql/SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a>&nbsp;operator)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="TableFunctionCallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">TableFunctionCallImplementor</a></code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#get(org.apache.calcite.sql.SqlWindowTableFunction)" class="member-name-link">get</a><wbr>(<a href="../../sql/SqlWindowTableFunction.html" title="class in org.apache.calcite.sql">SqlWindowTableFunction</a>&nbsp;operator)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#multiplyDivide(org.apache.calcite.linq4j.tree.Expression,java.math.BigDecimal,java.math.BigDecimal)" class="member-name-link">multiplyDivide</a><wbr>(<a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>&nbsp;e,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/math/BigDecimal.html" title="class or interface in java.math" class="external-link">BigDecimal</a>&nbsp;multiplier,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/math/BigDecimal.html" title="class or interface in java.math" class="external-link">BigDecimal</a>&nbsp;divider)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
 <div class="block">Multiplies an expression by a constant and divides by another constant,
  optimizing appropriately.</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;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>
 </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="INSTANCE">
 <h3>INSTANCE</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="RexImpTable.html" title="class in org.apache.calcite.adapter.enumerable">RexImpTable</a></span>&nbsp;<span class="element-name">INSTANCE</span></div>
 <div class="block">The singleton instance.</div>
 </section>
 </li>
 <li>
 <section class="detail" id="NULL_EXPR">
 <h3>NULL_EXPR</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="../../linq4j/tree/ConstantExpression.html" title="class in org.apache.calcite.linq4j.tree">ConstantExpression</a></span>&nbsp;<span class="element-name">NULL_EXPR</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="FALSE_EXPR">
 <h3>FALSE_EXPR</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="../../linq4j/tree/ConstantExpression.html" title="class in org.apache.calcite.linq4j.tree">ConstantExpression</a></span>&nbsp;<span class="element-name">FALSE_EXPR</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="TRUE_EXPR">
 <h3>TRUE_EXPR</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="../../linq4j/tree/ConstantExpression.html" title="class in org.apache.calcite.linq4j.tree">ConstantExpression</a></span>&nbsp;<span class="element-name">TRUE_EXPR</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="COMMA_EXPR">
 <h3>COMMA_EXPR</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="../../linq4j/tree/ConstantExpression.html" title="class in org.apache.calcite.linq4j.tree">ConstantExpression</a></span>&nbsp;<span class="element-name">COMMA_EXPR</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="BOXED_FALSE_EXPR">
 <h3>BOXED_FALSE_EXPR</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="../../linq4j/tree/MemberExpression.html" title="class in org.apache.calcite.linq4j.tree">MemberExpression</a></span>&nbsp;<span class="element-name">BOXED_FALSE_EXPR</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="BOXED_TRUE_EXPR">
 <h3>BOXED_TRUE_EXPR</h3>
 <div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="../../linq4j/tree/MemberExpression.html" title="class in org.apache.calcite.linq4j.tree">MemberExpression</a></span>&nbsp;<span class="element-name">BOXED_TRUE_EXPR</span></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="createImplementor(org.apache.calcite.adapter.enumerable.NotNullImplementor,org.apache.calcite.adapter.enumerable.NullPolicy,boolean)">
 <h3>createImplementor</h3>
 <div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="CallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">CallImplementor</a></span>&nbsp;<span class="element-name">createImplementor</span><wbr><span class="parameters">(<a href="NotNullImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">NotNullImplementor</a>&nbsp;implementor,
  <a href="NullPolicy.html" title="enum in org.apache.calcite.adapter.enumerable">NullPolicy</a>&nbsp;nullPolicy,
  boolean&nbsp;harmonize)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="get(org.apache.calcite.sql.SqlOperator)">
 <h3>get</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">@Nullable <a href="RexImpTable.RexCallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">RexImpTable.RexCallImplementor</a></span>&nbsp;<span class="element-name">get</span><wbr><span class="parameters">(<a href="../../sql/SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a>&nbsp;operator)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="get(org.apache.calcite.sql.SqlAggFunction,boolean)">
 <h3>get</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">@Nullable <a href="AggImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">AggImplementor</a></span>&nbsp;<span class="element-name">get</span><wbr><span class="parameters">(<a href="../../sql/SqlAggFunction.html" title="class in org.apache.calcite.sql">SqlAggFunction</a>&nbsp;aggregation,
  boolean&nbsp;forWindowAggregate)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="get(org.apache.calcite.sql.SqlMatchFunction)">
 <h3>get</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="MatchImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">MatchImplementor</a></span>&nbsp;<span class="element-name">get</span><wbr><span class="parameters">(<a href="../../sql/SqlMatchFunction.html" title="class in org.apache.calcite.sql">SqlMatchFunction</a>&nbsp;function)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="get(org.apache.calcite.sql.SqlWindowTableFunction)">
 <h3>get</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="TableFunctionCallImplementor.html" title="interface in org.apache.calcite.adapter.enumerable">TableFunctionCallImplementor</a></span>&nbsp;<span class="element-name">get</span><wbr><span class="parameters">(<a href="../../sql/SqlWindowTableFunction.html" title="class in org.apache.calcite.sql">SqlWindowTableFunction</a>&nbsp;operator)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="multiplyDivide(org.apache.calcite.linq4j.tree.Expression,java.math.BigDecimal,java.math.BigDecimal)">
 <h3>multiplyDivide</h3>
 <div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type"><a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a></span>&nbsp;<span class="element-name">multiplyDivide</span><wbr><span class="parameters">(<a href="../../linq4j/tree/Expression.html" title="class in org.apache.calcite.linq4j.tree">Expression</a>&nbsp;e,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/math/BigDecimal.html" title="class or interface in java.math" class="external-link">BigDecimal</a>&nbsp;multiplier,
  <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/math/BigDecimal.html" title="class or interface in java.math" class="external-link">BigDecimal</a>&nbsp;divider)</span></div>
 <div class="block">Multiplies an expression by a constant and divides by another constant,
  optimizing appropriately.

  <p>For example, <code>multiplyDivide(e, 10, 1000)</code> returns
  <code>e / 100</code>.</div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
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