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| <h2 title="Class SqlImplementor.Result" class="title">Class SqlImplementor.Result</h2> |
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| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.calcite.rel.rel2sql.SqlImplementor.Result</li> |
| </ul> |
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| </ul> |
| <div class="description"> |
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| <dl> |
| <dt>Enclosing class:</dt> |
| <dd><a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.html" title="class in org.apache.calcite.rel.rel2sql">SqlImplementor</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public class <span class="typeNameLabel">SqlImplementor.Result</span> |
| extends <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></pre> |
| <div class="block">Result of implementing a node.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
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| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <h3>Constructor Summary</h3> |
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| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Result.html#Result-org.apache.calcite.sql.SqlNode-java.util.Collection-java.lang.String-org.apache.calcite.rel.type.RelDataType-java.util.Map-">Result</a></span>(<a href="../../../../../org/apache/calcite/sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> node, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Clause.html" title="enum in org.apache.calcite.rel.rel2sql">SqlImplementor.Clause</a>> clauses, |
| <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> neededAlias, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> neededType, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<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>,<a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>> aliases)</code> </td> |
| </tr> |
| </table> |
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| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <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="colLast" scope="col">Method and Description</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/calcite/sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Result.html#asFrom--">asFrom</a></span>()</code> |
| <div class="block">Returns a node that can be included in the FROM clause or a JOIN.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/calcite/sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Result.html#asQueryOrValues--">asQueryOrValues</a></span>()</code> |
| <div class="block">Converts a non-query node into a SELECT node.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/calcite/sql/SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Result.html#asSelect--">asSelect</a></span>()</code> |
| <div class="block">Converts a non-query node into a SELECT node.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/calcite/sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Result.html#asStatement--">asStatement</a></span>()</code> |
| <div class="block">Converts a non-query node into a SELECT node.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Builder.html" title="class in org.apache.calcite.rel.rel2sql">SqlImplementor.Builder</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Result.html#builder-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.rel2sql.SqlImplementor.Clause...-">builder</a></span>(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Clause.html" title="enum in org.apache.calcite.rel.rel2sql">SqlImplementor.Clause</a>... clauses)</code> |
| <div class="block">Once you have a Result of implementing a child relational expression, |
| call this method to create a Builder to implement the current relational |
| expression by adding additional clauses to the SQL query.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Clause.html" title="enum in org.apache.calcite.rel.rel2sql">SqlImplementor.Clause</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Result.html#maxClause--">maxClause</a></span>()</code> |
| <div class="block">Returns the highest clause that is in use.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Context.html" title="class in org.apache.calcite.rel.rel2sql">SqlImplementor.Context</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Result.html#qualifiedContext--">qualifiedContext</a></span>()</code> |
| <div class="block">Returns a context that always qualifies identifiers.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Result.html" title="class in org.apache.calcite.rel.rel2sql">SqlImplementor.Result</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Result.html#resetAlias--">resetAlias</a></span>()</code> |
| <div class="block">In join, when the left and right nodes have been generated, |
| update their alias with 'neededAlias' if not null.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Result.html" title="class in org.apache.calcite.rel.rel2sql">SqlImplementor.Result</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Result.html#resetAlias-java.lang.String-org.apache.calcite.rel.type.RelDataType-">resetAlias</a></span>(<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> alias, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type)</code> |
| <div class="block">Sets the alias of the join or correlate just created.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Result.html#stripTrivialAliases-org.apache.calcite.sql.SqlNode-">stripTrivialAliases</a></span>(<a href="../../../../../org/apache/calcite/sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> node)</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/calcite/sql/SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Result.html#subSelect--">subSelect</a></span>()</code> </td> |
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| <h3>Methods inherited from class 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#equals-java.lang.Object-" title="class or interface in java.lang">equals</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#hashCode--" title="class or interface in java.lang">hashCode</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#toString--" title="class or interface in java.lang">toString</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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| <h3>Constructor Detail</h3> |
| <a name="Result-org.apache.calcite.sql.SqlNode-java.util.Collection-java.lang.String-org.apache.calcite.rel.type.RelDataType-java.util.Map-"> |
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| <h4>Result</h4> |
| <pre>public Result(<a href="../../../../../org/apache/calcite/sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> node, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Clause.html" title="enum in org.apache.calcite.rel.rel2sql">SqlImplementor.Clause</a>> clauses, |
| <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> neededAlias, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> neededType, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<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>,<a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>> aliases)</pre> |
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| <h3>Method Detail</h3> |
| <a name="builder-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.rel2sql.SqlImplementor.Clause...-"> |
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| <h4>builder</h4> |
| <pre>public <a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Builder.html" title="class in org.apache.calcite.rel.rel2sql">SqlImplementor.Builder</a> builder(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a> rel, |
| <a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Clause.html" title="enum in org.apache.calcite.rel.rel2sql">SqlImplementor.Clause</a>... clauses)</pre> |
| <div class="block">Once you have a Result of implementing a child relational expression, |
| call this method to create a Builder to implement the current relational |
| expression by adding additional clauses to the SQL query. |
| |
| <p>You need to declare which clauses you intend to add. If the clauses |
| are "later", you can add to the same query. For example, "GROUP BY" comes |
| after "WHERE". But if they are the same or earlier, this method will |
| start a new SELECT that wraps the previous result. |
| |
| <p>When you have called |
| <a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Builder.html#setSelect-org.apache.calcite.sql.SqlNodeList-"><code>SqlImplementor.Builder.setSelect(SqlNodeList)</code></a>, |
| <a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Builder.html#setWhere-org.apache.calcite.sql.SqlNode-"><code>SqlImplementor.Builder.setWhere(SqlNode)</code></a> etc. call |
| <a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.html#result-org.apache.calcite.sql.SqlNode-java.util.Collection-org.apache.calcite.rel.RelNode-java.util.Map-"><code>SqlImplementor.result(SqlNode, Collection, RelNode, Map)</code></a> |
| to fix the new query.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rel</code> - Relational expression being implemented</dd> |
| <dd><code>clauses</code> - Clauses that will be generated to implement current |
| relational expression</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A builder</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="maxClause--"> |
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| <h4>maxClause</h4> |
| <pre>public <a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Clause.html" title="enum in org.apache.calcite.rel.rel2sql">SqlImplementor.Clause</a> maxClause()</pre> |
| <div class="block">Returns the highest clause that is in use.</div> |
| </li> |
| </ul> |
| <a name="asFrom--"> |
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| </a> |
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| <h4>asFrom</h4> |
| <pre>public <a href="../../../../../org/apache/calcite/sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> asFrom()</pre> |
| <div class="block">Returns a node that can be included in the FROM clause or a JOIN. It has |
| an alias that is unique within the query. The alias is implicit if it |
| can be derived using the usual rules (For example, "SELECT * FROM emp" is |
| equivalent to "SELECT * FROM emp AS emp".)</div> |
| </li> |
| </ul> |
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| <h4>subSelect</h4> |
| <pre>public <a href="../../../../../org/apache/calcite/sql/SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a> subSelect()</pre> |
| </li> |
| </ul> |
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| <h4>asSelect</h4> |
| <pre>public <a href="../../../../../org/apache/calcite/sql/SqlSelect.html" title="class in org.apache.calcite.sql">SqlSelect</a> asSelect()</pre> |
| <div class="block">Converts a non-query node into a SELECT node. Set operators (UNION, |
| INTERSECT, EXCEPT) remain as is.</div> |
| </li> |
| </ul> |
| <a name="stripTrivialAliases-org.apache.calcite.sql.SqlNode-"> |
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| <h4>stripTrivialAliases</h4> |
| <pre>public void stripTrivialAliases(<a href="../../../../../org/apache/calcite/sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> node)</pre> |
| </li> |
| </ul> |
| <a name="asStatement--"> |
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| <h4>asStatement</h4> |
| <pre>public <a href="../../../../../org/apache/calcite/sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> asStatement()</pre> |
| <div class="block">Converts a non-query node into a SELECT node. Set operators (UNION, |
| INTERSECT, EXCEPT) and DML operators (INSERT, UPDATE, DELETE, MERGE) |
| remain as is.</div> |
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| <h4>asQueryOrValues</h4> |
| <pre>public <a href="../../../../../org/apache/calcite/sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> asQueryOrValues()</pre> |
| <div class="block">Converts a non-query node into a SELECT node. Set operators (UNION, |
| INTERSECT, EXCEPT) and VALUES remain as is.</div> |
| </li> |
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| <h4>qualifiedContext</h4> |
| <pre>public <a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Context.html" title="class in org.apache.calcite.rel.rel2sql">SqlImplementor.Context</a> qualifiedContext()</pre> |
| <div class="block">Returns a context that always qualifies identifiers. Useful if the |
| Context deals with just one arm of a join, yet we wish to generate |
| a join condition that qualifies column names to disambiguate them.</div> |
| </li> |
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| <a name="resetAlias--"> |
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| <h4>resetAlias</h4> |
| <pre>public <a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Result.html" title="class in org.apache.calcite.rel.rel2sql">SqlImplementor.Result</a> resetAlias()</pre> |
| <div class="block">In join, when the left and right nodes have been generated, |
| update their alias with 'neededAlias' if not null.</div> |
| </li> |
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| <h4>resetAlias</h4> |
| <pre>public <a href="../../../../../org/apache/calcite/rel/rel2sql/SqlImplementor.Result.html" title="class in org.apache.calcite.rel.rel2sql">SqlImplementor.Result</a> resetAlias(<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> alias, |
| <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type)</pre> |
| <div class="block">Sets the alias of the join or correlate just created.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>alias</code> - New alias</dd> |
| <dd><code>type</code> - type of the node associated with the alias</dd> |
| </dl> |
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