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| <div class="subTitle">org.apache.calcite.piglet</div> |
| <h2 title="Class PigConverter" class="title">Class PigConverter</h2> |
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| <li> |
| <ul class="inheritance"> |
| <li>org.apache.pig.PigServer</li> |
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| <li>org.apache.calcite.piglet.PigConverter</li> |
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| <pre>public class <span class="typeNameLabel">PigConverter</span> |
| extends org.apache.pig.PigServer</pre> |
| <div class="block">Extension from PigServer to convert Pig scripts into logical relational |
| algebra plans and SQL statements.</div> |
| </li> |
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| <code>org.apache.pig.PigServer.Graph</code></li> |
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| <h3>Fields inherited from class org.apache.pig.PigServer</h3> |
| <code>graphs, log, pigContext, PRETTY_PRINT_SCHEMA_PROPERTY, scope</code></li> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></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> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/calcite/piglet/PigConverter.html" title="class in org.apache.calcite.piglet">PigConverter</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/piglet/PigConverter.html#create-org.apache.calcite.tools.FrameworkConfig-">create</a></span>(<a href="../../../../org/apache/calcite/tools/FrameworkConfig.html" title="interface in org.apache.calcite.tools">FrameworkConfig</a> config)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/calcite/piglet/PigRelBuilder.html" title="class in org.apache.calcite.piglet">PigRelBuilder</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/piglet/PigConverter.html#getBuilder--">getBuilder</a></span>()</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/piglet/PigConverter.html#getPigScript-java.io.InputStream-java.util.Map-">getPigScript</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a> in, |
| <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="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> params)</code> |
| <div class="block">Gets a Pig script string from a file after doing param substitution.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><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><<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/piglet/PigConverter.html#pigQuery2Rel-java.lang.String-">pigQuery2Rel</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> pigQuery)</code> |
| <div class="block">Parses a Pig script and converts it into relational algebra plans, |
| optimizing the result.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><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><<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/piglet/PigConverter.html#pigQuery2Rel-java.lang.String-boolean-boolean-boolean-">pigQuery2Rel</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> pigQuery, |
| boolean planRewrite, |
| boolean validate, |
| boolean usePigRules)</code> |
| <div class="block">Parses a Pig script and converts it into relational algebra plans.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><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><<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/piglet/PigConverter.html#pigScript2Rel-java.lang.String-java.util.Map-boolean-">pigScript2Rel</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> fileName, |
| <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="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> params, |
| boolean planRewrite)</code> |
| <div class="block">Parses a Pig script and converts it into relational algebra plans.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><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><<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>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/piglet/PigConverter.html#pigToSql-java.lang.String-org.apache.calcite.sql.SqlDialect-">pigToSql</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> pigQuery, |
| <a href="../../../../org/apache/calcite/sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a> sqlDialect)</code> |
| <div class="block">Converts a Pig script to a list of SQL statements.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.org.apache.pig.PigServer"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class org.apache.pig.PigServer</h3> |
| <code>addPathToSkip, capacity, debugOff, debugOn, deleteFile, discardBatch, dumpSchema, dumpSchemaNested, executeBatch, executeBatch, existsFile, explain, explain, fileSize, getAliases, getAliasKeySet, getClonedGraph, getCurrentDAG, getExamples, getJobs, getLastRel, getLogicalPlanData, getPigContext, isBatchEmpty, isBatchOn, launchPlan, listPaths, mkdirs, openIterator, paramMapToList, parseAndBuild, printAliases, printHistory, registerCode, registerFunction, registerJar, registerQuery, registerQuery, registerScript, registerScript, registerScript, registerScript, registerScript, registerScript, registerScript, registerScript, registerStreamingCommand, renameFile, resetScope, setBatchOn, setDefaultParallel, setJobName, setJobPriority, setSkipParseInRegisterForBatch, setValidateEachStatement, shutdown, store, store</code></li> |
| </ul> |
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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> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <!-- ============ METHOD DETAIL ========== --> |
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| <h3>Method Detail</h3> |
| <a name="create-org.apache.calcite.tools.FrameworkConfig-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>create</h4> |
| <pre>public static <a href="../../../../org/apache/calcite/piglet/PigConverter.html" title="class in org.apache.calcite.piglet">PigConverter</a> create(<a href="../../../../org/apache/calcite/tools/FrameworkConfig.html" title="interface in org.apache.calcite.tools">FrameworkConfig</a> config) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd> |
| </dl> |
| </li> |
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| <a name="getBuilder--"> |
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| <h4>getBuilder</h4> |
| <pre>public <a href="../../../../org/apache/calcite/piglet/PigRelBuilder.html" title="class in org.apache.calcite.piglet">PigRelBuilder</a> getBuilder()</pre> |
| </li> |
| </ul> |
| <a name="pigQuery2Rel-java.lang.String-"> |
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| <h4>pigQuery2Rel</h4> |
| <pre>public <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><<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>> pigQuery2Rel(<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> pigQuery) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Parses a Pig script and converts it into relational algebra plans, |
| optimizing the result. |
| |
| <p>Equivalent to <code>pigQuery2Rel(pigQuery, true, true, true)</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>pigQuery</code> - Pig script</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A list of root nodes of the translated relational plans. Each of |
| these root corresponds to a sink operator (normally a STORE command) in the |
| Pig plan</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - Exception during parsing or translating Pig</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="pigQuery2Rel-java.lang.String-boolean-boolean-boolean-"> |
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| </a> |
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| <h4>pigQuery2Rel</h4> |
| <pre>public <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><<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>> pigQuery2Rel(<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> pigQuery, |
| boolean planRewrite, |
| boolean validate, |
| boolean usePigRules) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Parses a Pig script and converts it into relational algebra plans.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>pigQuery</code> - Pig script</dd> |
| <dd><code>planRewrite</code> - Whether to rewrite the translated plan</dd> |
| <dd><code>validate</code> - Whether to validate the Pig logical plan before doing |
| translation</dd> |
| <dd><code>usePigRules</code> - Whether to use Pig Rules (see PigRelPlanner} to rewrite |
| translated rel plan</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A list of root nodes of the translated relational plans. Each of |
| these root corresponds to a sink operator (normally a STORE command) in the |
| Pig plan</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - Exception during parsing or translating Pig</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getPigScript-java.io.InputStream-java.util.Map-"> |
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| </a> |
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| <h4>getPigScript</h4> |
| <pre>public <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> getPigScript(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a> in, |
| <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="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> params) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Gets a Pig script string from a file after doing param substitution.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>in</code> - Pig script file</dd> |
| <dd><code>params</code> - Param sub map</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="pigScript2Rel-java.lang.String-java.util.Map-boolean-"> |
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| <h4>pigScript2Rel</h4> |
| <pre>public <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><<a href="../../../../org/apache/calcite/rel/RelNode.html" title="interface in org.apache.calcite.rel">RelNode</a>> pigScript2Rel(<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> fileName, |
| <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="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> params, |
| boolean planRewrite) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Parses a Pig script and converts it into relational algebra plans.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fileName</code> - File name</dd> |
| <dd><code>params</code> - Param substitution map</dd> |
| <dd><code>planRewrite</code> - Whether to rewrite the translated plan</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A list of root nodes of the translated relational plans. Each of |
| these root corresponds to a sink operator (normally a STORE command) in the |
| Pig plan</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - Exception during parsing or translating Pig</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="pigToSql-java.lang.String-org.apache.calcite.sql.SqlDialect-"> |
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| <h4>pigToSql</h4> |
| <pre>public <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><<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>> pigToSql(<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> pigQuery, |
| <a href="../../../../org/apache/calcite/sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a> sqlDialect) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Converts a Pig script to a list of SQL statements.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>pigQuery</code> - Pig script</dd> |
| <dd><code>sqlDialect</code> - Dialect of SQL language</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - Exception during parsing or translating Pig</dd> |
| </dl> |
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