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| <h2 title="Interface SqlOperandTypeChecker" class="title">Interface SqlOperandTypeChecker</h2> |
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| <dd><a href="../../../../../org/apache/calcite/sql/type/AssignableOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">AssignableOperandTypeChecker</a>, <a href="../../../../../org/apache/calcite/sql/type/ComparableOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">ComparableOperandTypeChecker</a>, <a href="../../../../../org/apache/calcite/sql/type/CompositeOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">CompositeOperandTypeChecker</a>, <a href="../../../../../org/apache/calcite/sql/type/CompositeSingleOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">CompositeSingleOperandTypeChecker</a>, <a href="../../../../../org/apache/calcite/sql/type/ExplicitOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">ExplicitOperandTypeChecker</a>, <a href="../../../../../org/apache/calcite/sql/type/FamilyOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">FamilyOperandTypeChecker</a>, <a href="../../../../../org/apache/calcite/sql/type/LiteralOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">LiteralOperandTypeChecker</a>, <a href="../../../../../org/apache/calcite/sql/type/MultisetOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">MultisetOperandTypeChecker</a>, <a href="../../../../../org/apache/calcite/sql/type/SameOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">SameOperandTypeChecker</a>, <a href="../../../../../org/apache/calcite/sql/type/SameOperandTypeExceptLastOperandChecker.html" title="class in org.apache.calcite.sql.type">SameOperandTypeExceptLastOperandChecker</a>, <a href="../../../../../org/apache/calcite/sql/type/SetopOperandTypeChecker.html" title="class in org.apache.calcite.sql.type">SetopOperandTypeChecker</a></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="../../../../../org/apache/calcite/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> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/type/SqlOperandTypeChecker.Consistency.html" title="enum in org.apache.calcite.sql.type">SqlOperandTypeChecker.Consistency</a></span></code> |
| <div class="block">Strategy used to make arguments consistent.</div> |
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| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/type/SqlOperandTypeChecker.html#checkOperandTypes-org.apache.calcite.sql.SqlCallBinding-boolean-">checkOperandTypes</a></span>(<a href="../../../../../org/apache/calcite/sql/SqlCallBinding.html" title="class in org.apache.calcite.sql">SqlCallBinding</a> callBinding, |
| boolean throwOnFailure)</code> |
| <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><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/type/SqlOperandTypeChecker.html#getAllowedSignatures-org.apache.calcite.sql.SqlOperator-java.lang.String-">getAllowedSignatures</a></span>(<a href="../../../../../org/apache/calcite/sql/SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a> op, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> opName)</code> |
| <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="../../../../../org/apache/calcite/sql/type/SqlOperandTypeChecker.Consistency.html" title="enum in org.apache.calcite.sql.type">SqlOperandTypeChecker.Consistency</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/type/SqlOperandTypeChecker.html#getConsistency--">getConsistency</a></span>()</code> |
| <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="../../../../../org/apache/calcite/sql/SqlOperandCountRange.html" title="interface in org.apache.calcite.sql">SqlOperandCountRange</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/type/SqlOperandTypeChecker.html#getOperandCountRange--">getOperandCountRange</a></span>()</code> </td> |
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| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/type/SqlOperandTypeChecker.html#isOptional-int-">isOptional</a></span>(int i)</code> |
| <div class="block">Returns whether the <code>i</code>th operand is optional.</div> |
| </td> |
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| <h4>checkOperandTypes</h4> |
| <pre>boolean checkOperandTypes(<a href="../../../../../org/apache/calcite/sql/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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| </ul> |
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| <h4>getOperandCountRange</h4> |
| <pre><a href="../../../../../org/apache/calcite/sql/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> |
| </ul> |
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| <h4>getAllowedSignatures</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getAllowedSignatures(<a href="../../../../../org/apache/calcite/sql/SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a> op, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> 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> |
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| </ul> |
| <a name="getConsistency--"> |
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| <h4>getConsistency</h4> |
| <pre><a href="../../../../../org/apache/calcite/sql/type/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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| <pre>boolean isOptional(int i)</pre> |
| <div class="block">Returns whether the <code>i</code>th operand is optional.</div> |
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