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| <li>Summary: </li> |
| <li><a href="#nested-class-summary">Nested</a> | </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.sql.type</a></div> |
| <h1 title="Class SameOperandTypeChecker" class="title">Class SameOperandTypeChecker</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.sql.type.SameOperandTypeChecker</div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <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> |
| </dl> |
| <dl class="notes"> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><code><a href="ComparableOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">ComparableOperandTypeChecker</a></code>, <code><a href="SameOperandTypeExceptLastOperandChecker.html" title="class in org.apache.calcite.sql.type">SameOperandTypeExceptLastOperandChecker</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">SameOperandTypeChecker</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> |
| implements <a href="SqlSingleOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlSingleOperandTypeChecker</a></span></div> |
| <div class="block">Parameter type-checking strategy where all operand types must be the same.</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="inherited-list"> |
| <h2 id="nested-classes-inherited-from-class-org.apache.calcite.sql.type.SqlOperandTypeChecker">Nested classes/interfaces inherited from interface org.apache.calcite.sql.type.<a href="SqlOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeChecker</a></h2> |
| <code><a href="SqlOperandTypeChecker.Consistency.html" title="enum in org.apache.calcite.sql.type">SqlOperandTypeChecker.Consistency</a></code></div> |
| </section> |
| </li> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| <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>protected final int</code></div> |
| <div class="col-second even-row-color"><code><a href="#nOperands" class="member-name-link">nOperands</a></code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <li> |
| <section class="constructor-summary" id="constructor-summary"> |
| <h2>Constructor Summary</h2> |
| <div class="caption"><span>Constructors</span></div> |
| <div class="summary-table two-column-summary"> |
| <div class="table-header col-first">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(int)" class="member-name-link">SameOperandTypeChecker</a><wbr>(int nOperands)</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-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>boolean</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#checkOperandTypes(org.apache.calcite.sql.SqlCallBinding,boolean)" class="member-name-link">checkOperandTypes</a><wbr>(<a href="../SqlCallBinding.html" title="class in org.apache.calcite.sql">SqlCallBinding</a> callBinding, |
| boolean throwOnFailure)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Checks the types of all operands to an operator call.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#checkOperandTypes(org.apache.calcite.sql.SqlOperatorBinding,org.apache.calcite.sql.SqlCallBinding)" class="member-name-link">checkOperandTypes</a><wbr>(<a href="../SqlOperatorBinding.html" title="class in org.apache.calcite.sql">SqlOperatorBinding</a> operatorBinding, |
| <a href="../SqlCallBinding.html" title="class in org.apache.calcite.sql">SqlCallBinding</a> callBinding)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <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> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected boolean</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#checkOperandTypesImpl(org.apache.calcite.sql.SqlOperatorBinding,boolean,org.apache.calcite.sql.SqlCallBinding)" class="member-name-link">checkOperandTypesImpl</a><wbr>(<a href="../SqlOperatorBinding.html" title="class in org.apache.calcite.sql">SqlOperatorBinding</a> operatorBinding, |
| boolean throwOnFailure, |
| @Nullable <a href="../SqlCallBinding.html" title="class in org.apache.calcite.sql">SqlCallBinding</a> callBinding)</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>boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#checkSingleOperandType(org.apache.calcite.sql.SqlCallBinding,org.apache.calcite.sql.SqlNode,int,boolean)" class="member-name-link">checkSingleOperandType</a><wbr>(<a href="../SqlCallBinding.html" title="class in org.apache.calcite.sql">SqlCallBinding</a> callBinding, |
| <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> operand, |
| int iFormalOperand, |
| boolean throwOnFailure)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Checks the type of a single operand against a particular ordinal position |
| within a formal operator signature.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getAllowedSignatures(org.apache.calcite.sql.SqlOperator,java.lang.String)" class="member-name-link">getAllowedSignatures</a><wbr>(<a href="../SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a> op, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> opName)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Returns a string describing the allowed formal signatures of a call, e.g.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="../SqlOperandCountRange.html" title="interface in org.apache.calcite.sql">SqlOperandCountRange</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getOperandCountRange()" class="member-name-link">getOperandCountRange</a>()</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 range of operand counts allowed in a call.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>protected <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="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Integer.html" title="class or interface in java.lang" class="external-link">Integer</a>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getOperandList(int)" class="member-name-link">getOperandList</a><wbr>(int operandCount)</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>protected <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getTypeName()" class="member-name-link">getTypeName</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Override to change the behavior of |
| <a href="#getAllowedSignatures(org.apache.calcite.sql.SqlOperator,java.lang.String)"><code>getAllowedSignatures(SqlOperator, String)</code></a>.</div> |
| </div> |
| </div> |
| </div> |
| </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.sql.type.SqlOperandTypeChecker">Methods inherited from interface org.apache.calcite.sql.type.<a href="SqlOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeChecker</a></h3> |
| <code><a href="SqlOperandTypeChecker.html#and(org.apache.calcite.sql.type.SqlOperandTypeChecker)">and</a>, <a href="SqlOperandTypeChecker.html#getConsistency()">getConsistency</a>, <a href="SqlOperandTypeChecker.html#isFixedParameters()">isFixedParameters</a>, <a href="SqlOperandTypeChecker.html#isOptional(int)">isOptional</a>, <a href="SqlOperandTypeChecker.html#or(org.apache.calcite.sql.type.SqlOperandTypeChecker)">or</a>, <a href="SqlOperandTypeChecker.html#typeInference()">typeInference</a>, <a href="SqlOperandTypeChecker.html#withGenerator(java.util.function.BiFunction)">withGenerator</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.calcite.sql.type.SqlSingleOperandTypeChecker">Methods inherited from interface org.apache.calcite.sql.type.<a href="SqlSingleOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlSingleOperandTypeChecker</a></h3> |
| <code><a href="SqlSingleOperandTypeChecker.html#and(org.apache.calcite.sql.type.SqlSingleOperandTypeChecker)">and</a>, <a href="SqlSingleOperandTypeChecker.html#or(org.apache.calcite.sql.type.SqlSingleOperandTypeChecker)">or</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="nOperands"> |
| <h3>nOperands</h3> |
| <div class="member-signature"><span class="modifiers">protected final</span> <span class="return-type">int</span> <span class="element-name">nOperands</span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor-detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>(int)"> |
| <h3>SameOperandTypeChecker</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">SameOperandTypeChecker</span><wbr><span class="parameters">(int nOperands)</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="checkOperandTypes(org.apache.calcite.sql.SqlCallBinding,boolean)"> |
| <h3>checkOperandTypes</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">checkOperandTypes</span><wbr><span class="parameters">(<a href="../SqlCallBinding.html" title="class in org.apache.calcite.sql">SqlCallBinding</a> callBinding, |
| boolean throwOnFailure)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <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 class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="SqlOperandTypeChecker.html#checkOperandTypes(org.apache.calcite.sql.SqlCallBinding,boolean)">checkOperandTypes</a></code> in interface <code><a href="SqlOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeChecker</a></code></dd> |
| <dt>Specified by:</dt> |
| <dd><code><a href="SqlSingleOperandTypeChecker.html#checkOperandTypes(org.apache.calcite.sql.SqlCallBinding,boolean)">checkOperandTypes</a></code> in interface <code><a href="SqlSingleOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlSingleOperandTypeChecker</a></code></dd> |
| <dt>Parameters:</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>Returns:</dt> |
| <dd>whether check succeeded</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getOperandList(int)"> |
| <h3>getOperandList</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><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="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Integer.html" title="class or interface in java.lang" class="external-link">Integer</a>></span> <span class="element-name">getOperandList</span><wbr><span class="parameters">(int operandCount)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="checkOperandTypesImpl(org.apache.calcite.sql.SqlOperatorBinding,boolean,org.apache.calcite.sql.SqlCallBinding)"> |
| <h3>checkOperandTypesImpl</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type">boolean</span> <span class="element-name">checkOperandTypesImpl</span><wbr><span class="parameters">(<a href="../SqlOperatorBinding.html" title="class in org.apache.calcite.sql">SqlOperatorBinding</a> operatorBinding, |
| boolean throwOnFailure, |
| @Nullable <a href="../SqlCallBinding.html" title="class in org.apache.calcite.sql">SqlCallBinding</a> callBinding)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="checkOperandTypes(org.apache.calcite.sql.SqlOperatorBinding,org.apache.calcite.sql.SqlCallBinding)"> |
| <h3>checkOperandTypes</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">checkOperandTypes</span><wbr><span class="parameters">(<a href="../SqlOperatorBinding.html" title="class in org.apache.calcite.sql">SqlOperatorBinding</a> operatorBinding, |
| <a href="../SqlCallBinding.html" title="class in org.apache.calcite.sql">SqlCallBinding</a> callBinding)</span></div> |
| <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> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getOperandCountRange()"> |
| <h3>getOperandCountRange</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="../SqlOperandCountRange.html" title="interface in org.apache.calcite.sql">SqlOperandCountRange</a></span> <span class="element-name">getOperandCountRange</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="SqlOperandTypeChecker.html#getOperandCountRange()">SqlOperandTypeChecker</a></code></span></div> |
| <div class="block">Returns the range of operand counts allowed in a call.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="SqlOperandTypeChecker.html#getOperandCountRange()">getOperandCountRange</a></code> in interface <code><a href="SqlOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeChecker</a></code></dd> |
| <dt>Specified by:</dt> |
| <dd><code><a href="SqlSingleOperandTypeChecker.html#getOperandCountRange()">getOperandCountRange</a></code> in interface <code><a href="SqlSingleOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlSingleOperandTypeChecker</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getAllowedSignatures(org.apache.calcite.sql.SqlOperator,java.lang.String)"> |
| <h3>getAllowedSignatures</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span> <span class="element-name">getAllowedSignatures</span><wbr><span class="parameters">(<a href="../SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a> op, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> opName)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="SqlOperandTypeChecker.html#getAllowedSignatures(org.apache.calcite.sql.SqlOperator,java.lang.String)">SqlOperandTypeChecker</a></code></span></div> |
| <div class="block">Returns a string describing the allowed formal signatures of a call, e.g. |
| "SUBSTR(VARCHAR, INTEGER, INTEGER)".</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="SqlOperandTypeChecker.html#getAllowedSignatures(org.apache.calcite.sql.SqlOperator,java.lang.String)">getAllowedSignatures</a></code> in interface <code><a href="SqlOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeChecker</a></code></dd> |
| <dt>Parameters:</dt> |
| <dd><code>op</code> - the operator being checked</dd> |
| <dd><code>opName</code> - name to use for the operator in case of aliasing</dd> |
| <dt>Returns:</dt> |
| <dd>generated string</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getTypeName()"> |
| <h3>getTypeName</h3> |
| <div class="member-signature"><span class="modifiers">protected</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span> <span class="element-name">getTypeName</span>()</div> |
| <div class="block">Override to change the behavior of |
| <a href="#getAllowedSignatures(org.apache.calcite.sql.SqlOperator,java.lang.String)"><code>getAllowedSignatures(SqlOperator, String)</code></a>.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="checkSingleOperandType(org.apache.calcite.sql.SqlCallBinding,org.apache.calcite.sql.SqlNode,int,boolean)"> |
| <h3>checkSingleOperandType</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">checkSingleOperandType</span><wbr><span class="parameters">(<a href="../SqlCallBinding.html" title="class in org.apache.calcite.sql">SqlCallBinding</a> callBinding, |
| <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> operand, |
| int iFormalOperand, |
| boolean throwOnFailure)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="SqlSingleOperandTypeChecker.html#checkSingleOperandType(org.apache.calcite.sql.SqlCallBinding,org.apache.calcite.sql.SqlNode,int,boolean)">SqlSingleOperandTypeChecker</a></code></span></div> |
| <div class="block">Checks the type of a single operand against a particular ordinal position |
| within a formal operator signature. Note that the actual ordinal position |
| of the operand being checked may be <em>different</em> from the position |
| of the formal operand. |
| |
| <p>For example, when validating the actual call |
| |
| <blockquote> |
| <pre>C(X, Y, Z)</pre> |
| </blockquote> |
| |
| <p>the strategy for validating the operand Z might involve checking its |
| type against the formal signature OP(W). In this case, |
| <code>iFormalOperand</code> would be zero, even though the position of Z |
| within call C is two. |
| |
| <p>Caution that we could not(shouldn't) implement implicit type coercion for this checker, |
| implicit type coercion has side effect(modify the AST), if this single operand checker is |
| subsumed in a composite rule(OR or AND), we can not make any side effect if we |
| can not make sure that all the single operands type check are passed(with type coercion). |
| But there is an exception: only if the call has just one operand, for this case, |
| use <a href="SqlOperandTypeChecker.html#checkOperandTypes(org.apache.calcite.sql.SqlCallBinding,boolean)"><code>SqlOperandTypeChecker.checkOperandTypes(org.apache.calcite.sql.SqlCallBinding, boolean)</code></a> instead.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="SqlSingleOperandTypeChecker.html#checkSingleOperandType(org.apache.calcite.sql.SqlCallBinding,org.apache.calcite.sql.SqlNode,int,boolean)">checkSingleOperandType</a></code> in interface <code><a href="SqlSingleOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlSingleOperandTypeChecker</a></code></dd> |
| <dt>Parameters:</dt> |
| <dd><code>callBinding</code> - description of the call being checked; this is only |
| provided for context when throwing an exception; the |
| implementation should <em>NOT</em> examine the |
| operands of the call as part of the check</dd> |
| <dd><code>operand</code> - the actual operand to be checked</dd> |
| <dd><code>iFormalOperand</code> - the 0-based formal operand ordinal</dd> |
| <dd><code>throwOnFailure</code> - whether to throw an exception if check fails |
| (otherwise returns false in that case)</dd> |
| <dt>Returns:</dt> |
| <dd>whether check succeeded</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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