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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.sql.type</a></div>
<h2 title="Class ComparableOperandTypeChecker" class="title">Class ComparableOperandTypeChecker</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li><a href="SameOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">org.apache.calcite.sql.type.SameOperandTypeChecker</a></li>
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<li>org.apache.calcite.sql.type.ComparableOperandTypeChecker</li>
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<dt>All Implemented Interfaces:</dt>
<dd><code><a href="SqlOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeChecker</a></code>, <code><a href="SqlSingleOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlSingleOperandTypeChecker</a></code></dd>
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<hr>
<pre>public class <span class="typeNameLabel">ComparableOperandTypeChecker</span>
extends <a href="SameOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">SameOperandTypeChecker</a></pre>
<div class="block">Type checking strategy which verifies that types have the required attributes
to be used as arguments to comparison operators.</div>
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<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.calcite.sql.type.<a href="SqlOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeChecker</a></h3>
<code><a href="SqlOperandTypeChecker.Consistency.html" title="enum in org.apache.calcite.sql.type">SqlOperandTypeChecker.Consistency</a></code></li>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private <a href="SqlOperandTypeChecker.Consistency.html" title="enum in org.apache.calcite.sql.type">SqlOperandTypeChecker.Consistency</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#consistency">consistency</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../rel/type/RelDataTypeComparability.html" title="enum in org.apache.calcite.rel.type">RelDataTypeComparability</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#requiredComparability">requiredComparability</a></span></code></th>
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<h3>Fields inherited from class&nbsp;org.apache.calcite.sql.type.<a href="SameOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">SameOperandTypeChecker</a></h3>
<code><a href="SameOperandTypeChecker.html#nOperands">nOperands</a></code></li>
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<th class="colFirst" scope="col">Constructor</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(int,org.apache.calcite.rel.type.RelDataTypeComparability)">ComparableOperandTypeChecker</a></span>&#8203;(int&nbsp;nOperands,
<a href="../../rel/type/RelDataTypeComparability.html" title="enum in org.apache.calcite.rel.type">RelDataTypeComparability</a>&nbsp;requiredComparability)</code></th>
<td class="colLast">
<div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
</td>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(int,org.apache.calcite.rel.type.RelDataTypeComparability,org.apache.calcite.sql.type.SqlOperandTypeChecker.Consistency)">ComparableOperandTypeChecker</a></span>&#8203;(int&nbsp;nOperands,
<a href="../../rel/type/RelDataTypeComparability.html" title="enum in org.apache.calcite.rel.type">RelDataTypeComparability</a>&nbsp;requiredComparability,
<a href="SqlOperandTypeChecker.Consistency.html" title="enum in org.apache.calcite.sql.type">SqlOperandTypeChecker.Consistency</a>&nbsp;consistency)</code></th>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#checkOperandTypes(org.apache.calcite.sql.SqlCallBinding,boolean)">checkOperandTypes</a></span>&#8203;(<a href="../SqlCallBinding.html" title="class in org.apache.calcite.sql">SqlCallBinding</a>&nbsp;callBinding,
boolean&nbsp;throwOnFailure)</code></th>
<td class="colLast">
<div class="block">Checks the types of all operands to an operator call.</div>
</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#checkOperandTypes(org.apache.calcite.sql.SqlOperatorBinding,org.apache.calcite.sql.SqlCallBinding)">checkOperandTypes</a></span>&#8203;(<a href="../SqlOperatorBinding.html" title="class in org.apache.calcite.sql">SqlOperatorBinding</a>&nbsp;operatorBinding,
<a href="../SqlCallBinding.html" title="class in org.apache.calcite.sql">SqlCallBinding</a>&nbsp;callBinding)</code></th>
<td class="colLast">
<div class="block">Similar functionality to
<a href="#checkOperandTypes(org.apache.calcite.sql.SqlCallBinding,boolean)"><code>checkOperandTypes(SqlCallBinding, boolean)</code></a>, but not part of the
interface, and cannot throw an error.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>private boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#checkType(org.apache.calcite.sql.SqlCallBinding,boolean,org.apache.calcite.rel.type.RelDataType)">checkType</a></span>&#8203;(<a href="../SqlCallBinding.html" title="class in org.apache.calcite.sql">SqlCallBinding</a>&nbsp;callBinding,
boolean&nbsp;throwOnFailure,
<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="SqlOperandTypeChecker.Consistency.html" title="enum in org.apache.calcite.sql.type">SqlOperandTypeChecker.Consistency</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getConsistency()">getConsistency</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the strategy for making the arguments have consistency types.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>protected java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTypeName()">getTypeName</a></span>()</code></th>
<td class="colLast">
<div class="block">Override to change the behavior of
<a href="SameOperandTypeChecker.html#getAllowedSignatures(org.apache.calcite.sql.SqlOperator,java.lang.String)"><code>SameOperandTypeChecker.getAllowedSignatures(SqlOperator, String)</code></a>.</div>
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<h3>Methods inherited from class&nbsp;org.apache.calcite.sql.type.<a href="SameOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">SameOperandTypeChecker</a></h3>
<code><a href="SameOperandTypeChecker.html#checkOperandTypesImpl(org.apache.calcite.sql.SqlOperatorBinding,boolean,org.apache.calcite.sql.SqlCallBinding)">checkOperandTypesImpl</a>, <a href="SameOperandTypeChecker.html#checkSingleOperandType(org.apache.calcite.sql.SqlCallBinding,org.apache.calcite.sql.SqlNode,int,boolean)">checkSingleOperandType</a>, <a href="SameOperandTypeChecker.html#getAllowedSignatures(org.apache.calcite.sql.SqlOperator,java.lang.String)">getAllowedSignatures</a>, <a href="SameOperandTypeChecker.html#getOperandCountRange()">getOperandCountRange</a>, <a href="SameOperandTypeChecker.html#getOperandList(int)">getOperandList</a>, <a href="SameOperandTypeChecker.html#isOptional(int)">isOptional</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h3>Field Detail</h3>
<a id="requiredComparability">
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<h4>requiredComparability</h4>
<pre>private final&nbsp;<a href="../../rel/type/RelDataTypeComparability.html" title="enum in org.apache.calcite.rel.type">RelDataTypeComparability</a> requiredComparability</pre>
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<h4>consistency</h4>
<pre>private final&nbsp;<a href="SqlOperandTypeChecker.Consistency.html" title="enum in org.apache.calcite.sql.type">SqlOperandTypeChecker.Consistency</a> consistency</pre>
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<h4>ComparableOperandTypeChecker</h4>
<pre>@Deprecated
public&nbsp;ComparableOperandTypeChecker&#8203;(int&nbsp;nOperands,
<a href="../../rel/type/RelDataTypeComparability.html" title="enum in org.apache.calcite.rel.type">RelDataTypeComparability</a>&nbsp;requiredComparability)</pre>
<div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div>
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<h4>ComparableOperandTypeChecker</h4>
<pre>public&nbsp;ComparableOperandTypeChecker&#8203;(int&nbsp;nOperands,
<a href="../../rel/type/RelDataTypeComparability.html" title="enum in org.apache.calcite.rel.type">RelDataTypeComparability</a>&nbsp;requiredComparability,
<a href="SqlOperandTypeChecker.Consistency.html" title="enum in org.apache.calcite.sql.type">SqlOperandTypeChecker.Consistency</a>&nbsp;consistency)</pre>
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<h4>checkOperandTypes</h4>
<pre class="methodSignature">public&nbsp;boolean&nbsp;checkOperandTypes&#8203;(<a href="../SqlCallBinding.html" title="class in org.apache.calcite.sql">SqlCallBinding</a>&nbsp;callBinding,
boolean&nbsp;throwOnFailure)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlOperandTypeChecker.html#checkOperandTypes(org.apache.calcite.sql.SqlCallBinding,boolean)">SqlOperandTypeChecker</a></code></span></div>
<div class="block">Checks the types of all operands to an operator call.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="SqlOperandTypeChecker.html#checkOperandTypes(org.apache.calcite.sql.SqlCallBinding,boolean)">checkOperandTypes</a></code>&nbsp;in interface&nbsp;<code><a href="SqlOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeChecker</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="SameOperandTypeChecker.html#checkOperandTypes(org.apache.calcite.sql.SqlCallBinding,boolean)">checkOperandTypes</a></code>&nbsp;in class&nbsp;<code><a href="SameOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">SameOperandTypeChecker</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>callBinding</code> - description of the call to be checked</dd>
<dd><code>throwOnFailure</code> - whether to throw an exception if check fails
(otherwise returns false in that case)</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether check succeeded</dd>
</dl>
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<h4>checkType</h4>
<pre class="methodSignature">private&nbsp;boolean&nbsp;checkType&#8203;(<a href="../SqlCallBinding.html" title="class in org.apache.calcite.sql">SqlCallBinding</a>&nbsp;callBinding,
boolean&nbsp;throwOnFailure,
<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type)</pre>
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<h4>checkOperandTypes</h4>
<pre class="methodSignature">public&nbsp;boolean&nbsp;checkOperandTypes&#8203;(<a href="../SqlOperatorBinding.html" title="class in org.apache.calcite.sql">SqlOperatorBinding</a>&nbsp;operatorBinding,
<a href="../SqlCallBinding.html" title="class in org.apache.calcite.sql">SqlCallBinding</a>&nbsp;callBinding)</pre>
<div class="block">Similar functionality to
<a href="#checkOperandTypes(org.apache.calcite.sql.SqlCallBinding,boolean)"><code>checkOperandTypes(SqlCallBinding, boolean)</code></a>, but not part of the
interface, and cannot throw an error.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="SameOperandTypeChecker.html#checkOperandTypes(org.apache.calcite.sql.SqlOperatorBinding,org.apache.calcite.sql.SqlCallBinding)">checkOperandTypes</a></code>&nbsp;in class&nbsp;<code><a href="SameOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">SameOperandTypeChecker</a></code></dd>
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<h4>getTypeName</h4>
<pre class="methodSignature">protected&nbsp;java.lang.String&nbsp;getTypeName()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="SameOperandTypeChecker.html#getTypeName()">SameOperandTypeChecker</a></code></span></div>
<div class="block">Override to change the behavior of
<a href="SameOperandTypeChecker.html#getAllowedSignatures(org.apache.calcite.sql.SqlOperator,java.lang.String)"><code>SameOperandTypeChecker.getAllowedSignatures(SqlOperator, String)</code></a>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="SameOperandTypeChecker.html#getTypeName()">getTypeName</a></code>&nbsp;in class&nbsp;<code><a href="SameOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">SameOperandTypeChecker</a></code></dd>
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<h4>getConsistency</h4>
<pre class="methodSignature">public&nbsp;<a href="SqlOperandTypeChecker.Consistency.html" title="enum in org.apache.calcite.sql.type">SqlOperandTypeChecker.Consistency</a>&nbsp;getConsistency()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlOperandTypeChecker.html#getConsistency()">SqlOperandTypeChecker</a></code></span></div>
<div class="block">Returns the strategy for making the arguments have consistency types.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="SqlOperandTypeChecker.html#getConsistency()">getConsistency</a></code>&nbsp;in interface&nbsp;<code><a href="SqlOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeChecker</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="SameOperandTypeChecker.html#getConsistency()">getConsistency</a></code>&nbsp;in class&nbsp;<code><a href="SameOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">SameOperandTypeChecker</a></code></dd>
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