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<div class="subTitle">org.apache.calcite.sql</div>
<h2 title="Class SqlUnresolvedFunction" class="title">Class SqlUnresolvedFunction</h2>
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<li><a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="class in org.apache.calcite.sql">org.apache.calcite.sql.SqlOperator</a></li>
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<li><a href="../../../../org/apache/calcite/sql/SqlFunction.html" title="class in org.apache.calcite.sql">org.apache.calcite.sql.SqlFunction</a></li>
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<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="class in org.apache.calcite.sql">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>Fields inherited from class&nbsp;org.apache.calcite.sql.<a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="class in org.apache.calcite.sql">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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<th class="colOne" scope="col">Constructor and Description</th>
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<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="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;sqlIdentifier,
<a href="../../../../org/apache/calcite/sql/type/SqlReturnTypeInference.html" title="interface in org.apache.calcite.sql.type">SqlReturnTypeInference</a>&nbsp;returnTypeInference,
<a href="../../../../org/apache/calcite/sql/type/SqlOperandTypeInference.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeInference</a>&nbsp;operandTypeInference,
<a href="../../../../org/apache/calcite/sql/type/SqlOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeChecker</a>&nbsp;operandTypeChecker,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;&nbsp;paramTypes,
<a href="../../../../org/apache/calcite/sql/SqlFunctionCategory.html" title="enum in org.apache.calcite.sql">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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<td class="colFirst"><code><a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">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="class in org.apache.calcite.sql">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>Methods inherited from class&nbsp;org.apache.calcite.sql.<a href="../../../../org/apache/calcite/sql/SqlFunction.html" title="class in org.apache.calcite.sql">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>Methods inherited from class&nbsp;org.apache.calcite.sql.<a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="class in org.apache.calcite.sql">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 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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<li class="blockList"><a name="constructor.detail">
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<h3>Constructor Detail</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="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;sqlIdentifier,
<a href="../../../../org/apache/calcite/sql/type/SqlReturnTypeInference.html" title="interface in org.apache.calcite.sql.type">SqlReturnTypeInference</a>&nbsp;returnTypeInference,
<a href="../../../../org/apache/calcite/sql/type/SqlOperandTypeInference.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeInference</a>&nbsp;operandTypeInference,
<a href="../../../../org/apache/calcite/sql/type/SqlOperandTypeChecker.html" title="interface in org.apache.calcite.sql.type">SqlOperandTypeChecker</a>&nbsp;operandTypeChecker,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&gt;&nbsp;paramTypes,
<a href="../../../../org/apache/calcite/sql/SqlFunctionCategory.html" title="enum in org.apache.calcite.sql">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">Parameters:</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>
</li>
</ul>
</li>
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<h3>Method Detail</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="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;inferReturnType(<a href="../../../../org/apache/calcite/sql/SqlOperatorBinding.html" title="class in org.apache.calcite.sql">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="interface in org.apache.calcite.sql.type"><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">Overrides:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/sql/SqlOperator.html#inferReturnType-org.apache.calcite.sql.SqlOperatorBinding-">inferReturnType</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="class in org.apache.calcite.sql">SqlOperator</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>opBinding</code> - description of invocation (not necessarily a
<a href="../../../../org/apache/calcite/sql/SqlCall.html" title="class in org.apache.calcite.sql"><code>SqlCall</code></a>)</dd>
<dt><span class="returnLabel">Returns:</span></dt>
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