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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.sql.validate</a></div> |
| <h2 title="Class JoinScope" class="title">Class JoinScope</h2> |
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| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="DelegatingScope.html" title="class in org.apache.calcite.sql.validate">org.apache.calcite.sql.validate.DelegatingScope</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="ListScope.html" title="class in org.apache.calcite.sql.validate">org.apache.calcite.sql.validate.ListScope</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.calcite.sql.validate.JoinScope</li> |
| </ul> |
| </li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public class <span class="typeNameLabel">JoinScope</span> |
| extends <a href="ListScope.html" title="class in org.apache.calcite.sql.validate">ListScope</a></pre> |
| <div class="block">The name-resolution context for expression inside a JOIN clause. The objects |
| visible are the joined table expressions, and those inherited from the parent |
| scope. |
| |
| <p>Consider "SELECT * FROM (A JOIN B ON {exp1}) JOIN C ON {exp2}". {exp1} is |
| resolved in the join scope for "A JOIN B", which contains A and B but not |
| C.</p></div> |
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| <h3>Nested classes/interfaces inherited from interface org.apache.calcite.sql.validate.<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></h3> |
| <code><a href="SqlValidatorScope.EmptyPath.html" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.EmptyPath</a>, <a href="SqlValidatorScope.Path.html" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.Path</a>, <a href="SqlValidatorScope.Resolve.html" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.Resolve</a>, <a href="SqlValidatorScope.Resolved.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope.Resolved</a>, <a href="SqlValidatorScope.ResolvedImpl.html" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.ResolvedImpl</a>, <a href="SqlValidatorScope.Step.html" title="class in org.apache.calcite.sql.validate">SqlValidatorScope.Step</a></code></li> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Field</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="../SqlJoin.html" title="class in org.apache.calcite.sql">SqlJoin</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#join">join</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#usingScope">usingScope</a></span></code></th> |
| <td class="colLast"> </td> |
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| </a> |
| <h3>Fields inherited from class org.apache.calcite.sql.validate.<a href="ListScope.html" title="class in org.apache.calcite.sql.validate">ListScope</a></h3> |
| <code><a href="ListScope.html#children">children</a></code></li> |
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| </a> |
| <h3>Fields inherited from class org.apache.calcite.sql.validate.<a href="DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></h3> |
| <code><a href="DelegatingScope.html#parent">parent</a>, <a href="DelegatingScope.html#validator">validator</a></code></li> |
| </ul> |
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| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlJoin)">JoinScope</a></span>​(<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a> parent, |
| <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a> usingScope, |
| <a href="../SqlJoin.html" title="class in org.apache.calcite.sql">SqlJoin</a> join)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a <code>JoinScope</code>.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addChild(org.apache.calcite.sql.validate.SqlValidatorNamespace,java.lang.String,boolean)">addChild</a></span>​(<a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a> ns, |
| java.lang.String alias, |
| boolean nullable)</code></th> |
| <td class="colLast"> |
| <div class="block">Registers a relation in this scope.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNode()">getNode</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the root node of this scope.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getUsingScope()">getUsingScope</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the scope which is used for resolving USING clause.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isWithin(org.apache.calcite.sql.validate.SqlValidatorScope)">isWithin</a></span>​(<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a> scope2)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether this scope is enclosed within <code>scope2</code> in such |
| a way that it can see the contents of <code>scope2</code>.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../SqlWindow.html" title="class in org.apache.calcite.sql">SqlWindow</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#lookupWindow(java.lang.String)">lookupWindow</a></span>​(java.lang.String name)</code></th> |
| <td class="colLast"> |
| <div class="block">Finds a window with a given name.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.org.apache.calcite.sql.validate.ListScope"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class org.apache.calcite.sql.validate.<a href="ListScope.html" title="class in org.apache.calcite.sql.validate">ListScope</a></h3> |
| <code><a href="ListScope.html#findAliases(java.util.Collection)">findAliases</a>, <a href="ListScope.html#findAllColumnNames(java.util.List)">findAllColumnNames</a>, <a href="ListScope.html#findQualifyingTableName(java.lang.String,org.apache.calcite.sql.SqlNode)">findQualifyingTableName</a>, <a href="ListScope.html#findQualifyingTableNames(java.lang.String,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.validate.SqlNameMatcher)">findQualifyingTableNames</a>, <a href="ListScope.html#getChildNames()">getChildNames</a>, <a href="ListScope.html#getChildren()">getChildren</a>, <a href="ListScope.html#resolve(java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,boolean,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)">resolve</a>, <a href="ListScope.html#resolveColumn(java.lang.String,org.apache.calcite.sql.SqlNode)">resolveColumn</a></code></li> |
| </ul> |
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| <h3>Methods inherited from class org.apache.calcite.sql.validate.<a href="DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></h3> |
| <code><a href="DelegatingScope.html#addColumnNames(org.apache.calcite.sql.validate.SqlValidatorNamespace,java.util.List)">addColumnNames</a>, <a href="DelegatingScope.html#fullyQualify(org.apache.calcite.sql.SqlIdentifier)">fullyQualify</a>, <a href="DelegatingScope.html#getMonotonicity(org.apache.calcite.sql.SqlNode)">getMonotonicity</a>, <a href="DelegatingScope.html#getOperandScope(org.apache.calcite.sql.SqlCall)">getOperandScope</a>, <a href="DelegatingScope.html#getOrderList()">getOrderList</a>, <a href="DelegatingScope.html#getParent()">getParent</a>, <a href="DelegatingScope.html#getTableNamespace(java.util.List)">getTableNamespace</a>, <a href="DelegatingScope.html#getValidator()">getValidator</a>, <a href="DelegatingScope.html#nullifyType(org.apache.calcite.sql.SqlNode,org.apache.calcite.rel.type.RelDataType)">nullifyType</a>, <a href="DelegatingScope.html#resolveInNamespace(org.apache.calcite.sql.validate.SqlValidatorNamespace,boolean,java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,org.apache.calcite.sql.validate.SqlValidatorScope.Path,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)">resolveInNamespace</a>, <a href="DelegatingScope.html#resolveTable(java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,org.apache.calcite.sql.validate.SqlValidatorScope.Path,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)">resolveTable</a>, <a href="DelegatingScope.html#validateExpr(org.apache.calcite.sql.SqlNode)">validateExpr</a></code></li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
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| <ul class="blockList"> |
| <li class="blockList"><a id="field.detail"> |
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| </a> |
| <h3>Field Detail</h3> |
| <a id="usingScope"> |
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| </a> |
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| <h4>usingScope</h4> |
| <pre>private final <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a> usingScope</pre> |
| </li> |
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| <a id="join"> |
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| <h4>join</h4> |
| <pre>private final <a href="../SqlJoin.html" title="class in org.apache.calcite.sql">SqlJoin</a> join</pre> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a id="<init>(org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.SqlJoin)"> |
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| <h4>JoinScope</h4> |
| <pre>JoinScope​(<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a> parent, |
| <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a> usingScope, |
| <a href="../SqlJoin.html" title="class in org.apache.calcite.sql">SqlJoin</a> join)</pre> |
| <div class="block">Creates a <code>JoinScope</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>parent</code> - Parent scope</dd> |
| <dd><code>usingScope</code> - Scope for resolving USING clause</dd> |
| <dd><code>join</code> - Call to JOIN operator</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ============ METHOD DETAIL ========== --> |
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| <h3>Method Detail</h3> |
| <a id="getNode()"> |
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| <h4>getNode</h4> |
| <pre class="methodSignature">public <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> getNode()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorScope.html#getNode()">SqlValidatorScope</a></code></span></div> |
| <div class="block">Returns the root node of this scope. Never null.</div> |
| </li> |
| </ul> |
| <a id="addChild(org.apache.calcite.sql.validate.SqlValidatorNamespace,java.lang.String,boolean)"> |
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| </a> |
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| <h4>addChild</h4> |
| <pre class="methodSignature">public void addChild​(<a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a> ns, |
| java.lang.String alias, |
| boolean nullable)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorScope.html#addChild(org.apache.calcite.sql.validate.SqlValidatorNamespace,java.lang.String,boolean)">SqlValidatorScope</a></code></span></div> |
| <div class="block">Registers a relation in this scope.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlValidatorScope.html#addChild(org.apache.calcite.sql.validate.SqlValidatorNamespace,java.lang.String,boolean)">addChild</a></code> in interface <code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="ListScope.html#addChild(org.apache.calcite.sql.validate.SqlValidatorNamespace,java.lang.String,boolean)">addChild</a></code> in class <code><a href="ListScope.html" title="class in org.apache.calcite.sql.validate">ListScope</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ns</code> - Namespace representing the result-columns of the relation</dd> |
| <dd><code>alias</code> - Alias with which to reference the relation, must not be null</dd> |
| <dd><code>nullable</code> - Whether this is a null-generating side of a join</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="lookupWindow(java.lang.String)"> |
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| </a> |
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| <h4>lookupWindow</h4> |
| <pre class="methodSignature">public <a href="../SqlWindow.html" title="class in org.apache.calcite.sql">SqlWindow</a> lookupWindow​(java.lang.String name)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorScope.html#lookupWindow(java.lang.String)">SqlValidatorScope</a></code></span></div> |
| <div class="block">Finds a window with a given name. Returns null if not found.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlValidatorScope.html#lookupWindow(java.lang.String)">lookupWindow</a></code> in interface <code><a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="DelegatingScope.html#lookupWindow(java.lang.String)">lookupWindow</a></code> in class <code><a href="DelegatingScope.html" title="class in org.apache.calcite.sql.validate">DelegatingScope</a></code></dd> |
| </dl> |
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| <a id="getUsingScope()"> |
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| <h4>getUsingScope</h4> |
| <pre class="methodSignature">public <a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a> getUsingScope()</pre> |
| <div class="block">Returns the scope which is used for resolving USING clause.</div> |
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| <h4>isWithin</h4> |
| <pre class="methodSignature">public boolean isWithin​(<a href="SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a> scope2)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorScope.html#isWithin(org.apache.calcite.sql.validate.SqlValidatorScope)">SqlValidatorScope</a></code></span></div> |
| <div class="block">Returns whether this scope is enclosed within <code>scope2</code> in such |
| a way that it can see the contents of <code>scope2</code>.</div> |
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