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| <h2 title="Interface SqlOperandTypeChecker" class="title">Interface SqlOperandTypeChecker</h2> |
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| <dd><code><a href="AssignableOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">AssignableOperandTypeChecker</a></code>, <code><a href="ComparableOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">ComparableOperandTypeChecker</a></code>, <code><a href="CompositeOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">CompositeOperandTypeChecker</a></code>, <code><a href="CompositeSingleOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">CompositeSingleOperandTypeChecker</a></code>, <code><a href="FamilyOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">FamilyOperandTypeChecker</a></code>, <code><a href="LiteralOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">LiteralOperandTypeChecker</a></code>, <code><a href="MultisetOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">MultisetOperandTypeChecker</a></code>, <code><a href="OperandTypes.PeriodOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">OperandTypes.PeriodOperandTypeChecker</a></code>, <code><a href="SameOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">SameOperandTypeChecker</a></code>, <code><a href="SameOperandTypeExceptLastOperandChecker.html" title="class in org.apache.calcite.sql.type">SameOperandTypeExceptLastOperandChecker</a></code>, <code><a href="SetopOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">SetopOperandTypeChecker</a></code></dd> |
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| <pre>public interface <span class="typeNameLabel">SqlOperandTypeChecker</span></pre> |
| <div class="block">Strategy interface to check for allowed operand types of an operator call. |
| |
| <p>This interface is an example of the |
| <a href="../../util/Glossary.html#STRATEGY_PATTERN"><code>strategy pattern</code></a>.</div> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <td class="colFirst"><code>static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="SqlOperandTypeChecker.Consistency.html" title="enum in org.apache.calcite.sql.type">SqlOperandTypeChecker.Consistency</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Strategy used to make arguments consistent.</div> |
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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>​(<a href="../SqlCallBinding.html" title="class in org.apache.calcite.sql">SqlCallBinding</a> callBinding, |
| boolean throwOnFailure)</code></th> |
| <td class="colLast"> |
| <div class="block">Checks the types of all operands to an operator call.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAllowedSignatures(org.apache.calcite.sql.SqlOperator,java.lang.String)">getAllowedSignatures</a></span>​(<a href="../SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a> op, |
| java.lang.String opName)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns a string describing the allowed formal signatures of a call, e.g.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <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="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../SqlOperandCountRange.html" title="interface in org.apache.calcite.sql">SqlOperandCountRange</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOperandCountRange()">getOperandCountRange</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isOptional(int)">isOptional</a></span>​(int i)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether the <code>i</code>th operand is optional.</div> |
| </td> |
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| <a id="checkOperandTypes(org.apache.calcite.sql.SqlCallBinding,boolean)"> |
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| <h4>checkOperandTypes</h4> |
| <pre class="methodSignature">boolean checkOperandTypes​(<a href="../SqlCallBinding.html" title="class in org.apache.calcite.sql">SqlCallBinding</a> callBinding, |
| boolean throwOnFailure)</pre> |
| <div class="block">Checks the types of all operands to an operator call.</div> |
| <dl> |
| <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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| <a id="getOperandCountRange()"> |
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| <h4>getOperandCountRange</h4> |
| <pre class="methodSignature"><a href="../SqlOperandCountRange.html" title="interface in org.apache.calcite.sql">SqlOperandCountRange</a> getOperandCountRange()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>range of operand counts allowed in a call</dd> |
| </dl> |
| </li> |
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| <h4>getAllowedSignatures</h4> |
| <pre class="methodSignature">java.lang.String getAllowedSignatures​(<a href="../SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a> op, |
| java.lang.String opName)</pre> |
| <div class="block">Returns a string describing the allowed formal signatures of a call, e.g. |
| "SUBSTR(VARCHAR, INTEGER, INTEGER)".</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></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><span class="returnLabel">Returns:</span></dt> |
| <dd>generated string</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getConsistency()"> |
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| <h4>getConsistency</h4> |
| <pre class="methodSignature"><a href="SqlOperandTypeChecker.Consistency.html" title="enum in org.apache.calcite.sql.type">SqlOperandTypeChecker.Consistency</a> getConsistency()</pre> |
| <div class="block">Returns the strategy for making the arguments have consistency types.</div> |
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| <h4>isOptional</h4> |
| <pre class="methodSignature">boolean isOptional​(int i)</pre> |
| <div class="block">Returns whether the <code>i</code>th operand is optional.</div> |
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