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| <h2 title="接口 SqlOperatorTable" class="title">接口 SqlOperatorTable</h2> |
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| <dt>所有已知子接口:</dt> |
| <dd><a href="../../../../org/apache/calcite/prepare/Prepare.CatalogReader.html" title="org.apache.calcite.prepare中的接口">Prepare.CatalogReader</a></dd> |
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| <dd><a href="../../../../org/apache/calcite/prepare/CalciteCatalogReader.html" title="org.apache.calcite.prepare中的类">CalciteCatalogReader</a>, <a href="../../../../org/apache/calcite/sql/util/ChainedSqlOperatorTable.html" title="org.apache.calcite.sql.util中的类">ChainedSqlOperatorTable</a>, <a href="../../../../org/apache/calcite/sql/util/ListSqlOperatorTable.html" title="org.apache.calcite.sql.util中的类">ListSqlOperatorTable</a>, <a href="../../../../org/apache/calcite/sql/fun/OracleSqlOperatorTable.html" title="org.apache.calcite.sql.fun中的类">OracleSqlOperatorTable</a>, <a href="../../../../org/apache/calcite/sql/util/ReflectiveSqlOperatorTable.html" title="org.apache.calcite.sql.util中的类">ReflectiveSqlOperatorTable</a>, <a href="../../../../org/apache/calcite/sql/fun/SqlStdOperatorTable.html" title="org.apache.calcite.sql.fun中的类">SqlStdOperatorTable</a></dd> |
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| <pre>public interface <span class="typeNameLabel">SqlOperatorTable</span></pre> |
| <div class="block">SqlOperatorTable defines a directory interface for enumerating and looking up |
| SQL operators and functions.</div> |
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| <caption><span id="t0" class="activeTableTab"><span>所有方法</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">实例方法</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">抽象方法</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <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="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><<a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlOperatorTable.html#getOperatorList--">getOperatorList</a></span>()</code> |
| <div class="block">Retrieves a list of all functions and operators in this table.</div> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlOperatorTable.html#lookupOperatorOverloads-org.apache.calcite.sql.SqlIdentifier-org.apache.calcite.sql.SqlFunctionCategory-org.apache.calcite.sql.SqlSyntax-java.util.List-org.apache.calcite.sql.validate.SqlNameMatcher-">lookupOperatorOverloads</a></span>(<a href="../../../../org/apache/calcite/sql/SqlIdentifier.html" title="org.apache.calcite.sql中的类">SqlIdentifier</a> opName, |
| <a href="../../../../org/apache/calcite/sql/SqlFunctionCategory.html" title="org.apache.calcite.sql中的枚举">SqlFunctionCategory</a> category, |
| <a href="../../../../org/apache/calcite/sql/SqlSyntax.html" title="org.apache.calcite.sql中的枚举">SqlSyntax</a> syntax, |
| <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><<a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a>> operatorList, |
| <a href="../../../../org/apache/calcite/sql/validate/SqlNameMatcher.html" title="org.apache.calcite.sql.validate中的接口">SqlNameMatcher</a> nameMatcher)</code> |
| <div class="block">Retrieves a list of operators with a given name and syntax.</div> |
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| <h3>方法详细资料</h3> |
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| <h4>lookupOperatorOverloads</h4> |
| <pre>void lookupOperatorOverloads(<a href="../../../../org/apache/calcite/sql/SqlIdentifier.html" title="org.apache.calcite.sql中的类">SqlIdentifier</a> opName, |
| <a href="../../../../org/apache/calcite/sql/SqlFunctionCategory.html" title="org.apache.calcite.sql中的枚举">SqlFunctionCategory</a> category, |
| <a href="../../../../org/apache/calcite/sql/SqlSyntax.html" title="org.apache.calcite.sql中的枚举">SqlSyntax</a> syntax, |
| <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><<a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a>> operatorList, |
| <a href="../../../../org/apache/calcite/sql/validate/SqlNameMatcher.html" title="org.apache.calcite.sql.validate中的接口">SqlNameMatcher</a> nameMatcher)</pre> |
| <div class="block">Retrieves a list of operators with a given name and syntax. For example, |
| by passing SqlSyntax.Function, the returned list is narrowed to only |
| matching SqlFunction objects.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>opName</code> - name of operator</dd> |
| <dd><code>category</code> - function category to look up, or null for any matching |
| operator</dd> |
| <dd><code>syntax</code> - syntax type of operator</dd> |
| <dd><code>operatorList</code> - mutable list to which to append matches</dd> |
| <dd><code>nameMatcher</code> - Name matcher</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getOperatorList--"> |
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| <h4>getOperatorList</h4> |
| <pre><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><<a href="../../../../org/apache/calcite/sql/SqlOperator.html" title="org.apache.calcite.sql中的类">SqlOperator</a>> getOperatorList()</pre> |
| <div class="block">Retrieves a list of all functions and operators in this table. Used for |
| automated testing.</div> |
| <dl> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>list of SqlOperator objects</dd> |
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