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<div class="subTitle">org.apache.calcite.sql</div>
<h2 title="类 SqlUnresolvedFunction" class="title">类 SqlUnresolvedFunction</h2>
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<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">java.lang.Object</a></li>
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<ul class="inheritance">
<li><a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">org.apache.calcite.sql.SqlOperator</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../org/apache/calcite/sql/SqlFunction.html" title="org.apache.calcite.sql中的类">org.apache.calcite.sql.SqlFunction</a></li>
<li>
<ul class="inheritance">
<li>org.apache.calcite.sql.SqlUnresolvedFunction</li>
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<pre>public class <span class="typeNameLabel">SqlUnresolvedFunction</span>
extends <a href="../../../../org/apache/calcite/sql/SqlFunction.html" title="org.apache.calcite.sql中的类">SqlFunction</a></pre>
<div class="block">Placeholder for an unresolved function.
<p>Created by the parser, then it is rewritten to proper SqlFunction by
the validator to a function defined in a Calcite schema.</p></div>
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<h3>字段概要</h3>
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<h3>从类继承的字段&nbsp;org.apache.calcite.sql.<a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a></h3>
<code><a href="../../../../org/apache/calcite/sql/SqlOperator.html#kind">kind</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#MDX_PRECEDENCE">MDX_PRECEDENCE</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#NL">NL</a></code></li>
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<h3>构造器概要</h3>
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<caption><span>构造器</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">构造器和说明</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlUnresolvedFunction.html#SqlUnresolvedFunction-org.apache.calcite.sql.SqlIdentifier-org.apache.calcite.sql.type.SqlReturnTypeInference-org.apache.calcite.sql.type.SqlOperandTypeInference-org.apache.calcite.sql.type.SqlOperandTypeChecker-java.util.List-org.apache.calcite.sql.SqlFunctionCategory-">SqlUnresolvedFunction</a></span>(<a href="../../../../org/apache/calcite/sql/SqlIdentifier.html" title="org.apache.calcite.sql中的类">SqlIdentifier</a>&nbsp;sqlIdentifier,
<a href="../../../../org/apache/calcite/sql/type/SqlReturnTypeInference.html" title="org.apache.calcite.sql.type中的接口">SqlReturnTypeInference</a>&nbsp;returnTypeInference,
<a href="../../../../org/apache/calcite/sql/type/SqlOperandTypeInference.html" title="org.apache.calcite.sql.type中的接口">SqlOperandTypeInference</a>&nbsp;operandTypeInference,
<a href="../../../../org/apache/calcite/sql/type/SqlOperandTypeChecker.html" title="org.apache.calcite.sql.type中的接口">SqlOperandTypeChecker</a>&nbsp;operandTypeChecker,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a>&gt;&nbsp;paramTypes,
<a href="../../../../org/apache/calcite/sql/SqlFunctionCategory.html" title="org.apache.calcite.sql中的枚举">SqlFunctionCategory</a>&nbsp;funcType)</code>
<div class="block">Creates a placeholder SqlUnresolvedFunction for an invocation of a function
with a possibly qualified name.</div>
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<h3>方法概要</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="方法概要表, 列表方法和解释">
<caption><span id="t0" class="activeTableTab"><span>所有方法</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">实例方法</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">具体方法</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">限定符和类型</th>
<th class="colLast" scope="col">方法和说明</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlUnresolvedFunction.html#inferReturnType-org.apache.calcite.sql.SqlOperatorBinding-">inferReturnType</a></span>(<a href="../../../../org/apache/calcite/sql/SqlOperatorBinding.html" title="org.apache.calcite.sql中的类">SqlOperatorBinding</a>&nbsp;opBinding)</code>
<div class="block">Infers the return type of an invocation of this operator; only called
after the number and types of operands have already been validated.</div>
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<h3>从类继承的方法&nbsp;org.apache.calcite.sql.<a href="../../../../org/apache/calcite/sql/SqlFunction.html" title="org.apache.calcite.sql中的类">SqlFunction</a></h3>
<code><a href="../../../../org/apache/calcite/sql/SqlFunction.html#deriveType-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.validate.SqlValidatorScope-org.apache.calcite.sql.SqlCall-">deriveType</a>, <a href="../../../../org/apache/calcite/sql/SqlFunction.html#getFunctionType--">getFunctionType</a>, <a href="../../../../org/apache/calcite/sql/SqlFunction.html#getNameAsId--">getNameAsId</a>, <a href="../../../../org/apache/calcite/sql/SqlFunction.html#getParamNames--">getParamNames</a>, <a href="../../../../org/apache/calcite/sql/SqlFunction.html#getParamTypes--">getParamTypes</a>, <a href="../../../../org/apache/calcite/sql/SqlFunction.html#getSqlIdentifier--">getSqlIdentifier</a>, <a href="../../../../org/apache/calcite/sql/SqlFunction.html#getSyntax--">getSyntax</a>, <a href="../../../../org/apache/calcite/sql/SqlFunction.html#isQuantifierAllowed--">isQuantifierAllowed</a>, <a href="../../../../org/apache/calcite/sql/SqlFunction.html#unparse-org.apache.calcite.sql.SqlWriter-org.apache.calcite.sql.SqlCall-int-int-">unparse</a>, <a href="../../../../org/apache/calcite/sql/SqlFunction.html#validateCall-org.apache.calcite.sql.SqlCall-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.validate.SqlValidatorScope-org.apache.calcite.sql.validate.SqlValidatorScope-">validateCall</a>, <a href="../../../../org/apache/calcite/sql/SqlFunction.html#validateQuantifier-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.SqlCall-">validateQuantifier</a></code></li>
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<h3>从类继承的方法&nbsp;org.apache.calcite.sql.<a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a></h3>
<code><a href="../../../../org/apache/calcite/sql/SqlOperator.html#acceptCall-org.apache.calcite.sql.util.SqlVisitor-org.apache.calcite.sql.SqlCall-">acceptCall</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#acceptCall-org.apache.calcite.sql.util.SqlVisitor-org.apache.calcite.sql.SqlCall-boolean-org.apache.calcite.sql.util.SqlBasicVisitor.ArgHandler-">acceptCall</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#adjustType-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.SqlCall-org.apache.calcite.rel.type.RelDataType-">adjustType</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#allowsFraming--">allowsFraming</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#argumentMustBeScalar-int-">argumentMustBeScalar</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#checkOperandCount-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.type.SqlOperandTypeChecker-org.apache.calcite.sql.SqlCall-">checkOperandCount</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#checkOperandTypes-org.apache.calcite.sql.SqlCallBinding-boolean-">checkOperandTypes</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#constructArgNameList-org.apache.calcite.sql.SqlCall-">constructArgNameList</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#constructArgTypeList-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.validate.SqlValidatorScope-org.apache.calcite.sql.SqlCall-java.util.List-boolean-">constructArgTypeList</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#constructOperandList-org.apache.calcite.sql.validate.SqlValidator-org.apache.calcite.sql.SqlCall-java.util.List-">constructOperandList</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#createCall-org.apache.calcite.sql.SqlLiteral-org.apache.calcite.sql.parser.SqlParserPos-org.apache.calcite.sql.SqlNode...-">createCall</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#createCall-org.apache.calcite.sql.SqlNodeList-">createCall</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#createCall-org.apache.calcite.sql.parser.SqlParserPos-java.util.List-">createCall</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#createCall-org.apache.calcite.sql.parser.SqlParserPos-org.apache.calcite.sql.SqlNode...-">createCall</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#equals-java.lang.Object-">equals</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#getAllowedSignatures--">getAllowedSignatures</a>, <a href="../../../../org/apache/calcite/sql/SqlOperator.html#getAllowedSignatures-java.lang.String-">getAllowedSignatures</a>, <a 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<h3>从类继承的方法&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="java.lang中的类或接口">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="java.lang中的类或接口">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="java.lang中的类或接口">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="java.lang中的类或接口">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="java.lang中的类或接口">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="java.lang中的类或接口">wait</a></code></li>
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<h3>构造器详细资料</h3>
<a name="SqlUnresolvedFunction-org.apache.calcite.sql.SqlIdentifier-org.apache.calcite.sql.type.SqlReturnTypeInference-org.apache.calcite.sql.type.SqlOperandTypeInference-org.apache.calcite.sql.type.SqlOperandTypeChecker-java.util.List-org.apache.calcite.sql.SqlFunctionCategory-">
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<h4>SqlUnresolvedFunction</h4>
<pre>public&nbsp;SqlUnresolvedFunction(<a href="../../../../org/apache/calcite/sql/SqlIdentifier.html" title="org.apache.calcite.sql中的类">SqlIdentifier</a>&nbsp;sqlIdentifier,
<a href="../../../../org/apache/calcite/sql/type/SqlReturnTypeInference.html" title="org.apache.calcite.sql.type中的接口">SqlReturnTypeInference</a>&nbsp;returnTypeInference,
<a href="../../../../org/apache/calcite/sql/type/SqlOperandTypeInference.html" title="org.apache.calcite.sql.type中的接口">SqlOperandTypeInference</a>&nbsp;operandTypeInference,
<a href="../../../../org/apache/calcite/sql/type/SqlOperandTypeChecker.html" title="org.apache.calcite.sql.type中的接口">SqlOperandTypeChecker</a>&nbsp;operandTypeChecker,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a>&gt;&nbsp;paramTypes,
<a href="../../../../org/apache/calcite/sql/SqlFunctionCategory.html" title="org.apache.calcite.sql中的枚举">SqlFunctionCategory</a>&nbsp;funcType)</pre>
<div class="block">Creates a placeholder SqlUnresolvedFunction for an invocation of a function
with a possibly qualified name. This name must be resolved into either
a builtin function or a user-defined function.</div>
<dl>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>sqlIdentifier</code> - possibly qualified identifier for function</dd>
<dd><code>returnTypeInference</code> - strategy to use for return type inference</dd>
<dd><code>operandTypeInference</code> - strategy to use for parameter type inference</dd>
<dd><code>operandTypeChecker</code> - strategy to use for parameter type checking</dd>
<dd><code>paramTypes</code> - array of parameter types</dd>
<dd><code>funcType</code> - function category</dd>
</dl>
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<h3>方法详细资料</h3>
<a name="inferReturnType-org.apache.calcite.sql.SqlOperatorBinding-">
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<h4>inferReturnType</h4>
<pre>public&nbsp;<a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a>&nbsp;inferReturnType(<a href="../../../../org/apache/calcite/sql/SqlOperatorBinding.html" title="org.apache.calcite.sql中的类">SqlOperatorBinding</a>&nbsp;opBinding)</pre>
<div class="block">Infers the return type of an invocation of this operator; only called
after the number and types of operands have already been validated.
Subclasses must either override this method or supply an instance of
<a href="../../../../org/apache/calcite/sql/type/SqlReturnTypeInference.html" title="org.apache.calcite.sql.type中的接口"><code>SqlReturnTypeInference</code></a> to the constructor.T
<p>The operator class for this function isn't resolved to the
correct class. This happens in the case of user defined
functions. Return the return type to be 'ANY', so we don't
fail.</div>
<dl>
<dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/sql/SqlOperator.html#inferReturnType-org.apache.calcite.sql.SqlOperatorBinding-">inferReturnType</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a></code></dd>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>opBinding</code> - description of invocation (not necessarily a
<a href="../../../../org/apache/calcite/sql/SqlCall.html" title="org.apache.calcite.sql中的类"><code>SqlCall</code></a>)</dd>
<dt><span class="returnLabel">返回:</span></dt>
<dd>inferred return type</dd>
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