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 <h2 title="Class DataExpression" class="title">Class DataExpression</h2>
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 <li><a href="../../../../org/apache/sysds/parser/Expression.html" title="class in org.apache.sysds.parser">org.apache.sysds.parser.Expression</a></li>
 <li>
 <ul class="inheritance">
 <li><a href="../../../../org/apache/sysds/parser/Identifier.html" title="class in org.apache.sysds.parser">org.apache.sysds.parser.Identifier</a></li>
 <li>
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 <pre>public class <span class="typeNameLabel">DataExpression</span>
 extends <a href="../../../../org/apache/sysds/parser/DataIdentifier.html" title="class in org.apache.sysds.parser">DataIdentifier</a></pre>
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 <h3>Nested classes/interfaces inherited from class&nbsp;org.apache.sysds.parser.<a href="../../../../org/apache/sysds/parser/Expression.html" title="class in org.apache.sysds.parser">Expression</a></h3>
 <code><a href="../../../../org/apache/sysds/parser/Expression.BinaryOp.html" title="enum in org.apache.sysds.parser">Expression.BinaryOp</a>, <a href="../../../../org/apache/sysds/parser/Expression.BooleanOp.html" title="enum in org.apache.sysds.parser">Expression.BooleanOp</a>, <a href="../../../../org/apache/sysds/parser/Expression.DataOp.html" title="enum in org.apache.sysds.parser">Expression.DataOp</a>, <a href="../../../../org/apache/sysds/parser/Expression.FunctCallOp.html" title="enum in org.apache.sysds.parser">Expression.FunctCallOp</a>, <a href="../../../../org/apache/sysds/parser/Expression.RelationalOp.html" title="enum in org.apache.sysds.parser">Expression.RelationalOp</a></code></li>
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 <caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
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 <div class="block">Valid parameter names in arguments to read instruction</div>
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 <td class="colFirst"><code>static <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>
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 <td class="colFirst"><code>static <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/sysds/parser/DataExpression.html#READNNZPARAM">READNNZPARAM</a></span></code>&nbsp;</td>
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 <tr class="altColor">
 <td class="colFirst"><code>static <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>
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 <td class="colFirst"><code>static <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>
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 <tr class="rowColor">
 <td class="colFirst"><code>static <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>
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 <tr class="altColor">
 <td class="colFirst"><code>static <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/sysds/parser/DataExpression.html#SQL_CONN">SQL_CONN</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <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/sysds/parser/DataExpression.html#SQL_PASS">SQL_PASS</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>static <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/sysds/parser/DataExpression.html#SQL_QUERY">SQL_QUERY</a></span></code>&nbsp;</td>
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 <tr class="rowColor">
 <td class="colFirst"><code>static <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/sysds/parser/DataExpression.html#SQL_USER">SQL_USER</a></span></code>&nbsp;</td>
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 <tr class="altColor">
 <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<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>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#SQL_VALID_PARAM_NAMES">SQL_VALID_PARAM_NAMES</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>static <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/sysds/parser/DataExpression.html#VALUETYPEPARAM">VALUETYPEPARAM</a></span></code>&nbsp;</td>
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 <h3>Constructor Summary</h3>
 <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
 <caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
 <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/sysds/parser/DataExpression.html#DataExpression--">DataExpression</a></span>()</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#DataExpression-org.apache.sysds.parser.Expression.DataOp-java.util.HashMap-org.apache.sysds.parser.ParseInfo-">DataExpression</a></span>(<a href="../../../../org/apache/sysds/parser/Expression.DataOp.html" title="enum in org.apache.sysds.parser">Expression.DataOp</a>&nbsp;op,
               <a href="https://docs.oracle.com/javase/8/docs/api/java/util/HashMap.html?is-external=true" title="class or interface in java.util">HashMap</a>&lt;<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/sysds/parser/Expression.html" title="class in org.apache.sysds.parser">Expression</a>&gt;&nbsp;varParams,
               <a href="../../../../org/apache/sysds/parser/ParseInfo.html" title="interface in org.apache.sysds.parser">ParseInfo</a>&nbsp;parseInfo)</code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#DataExpression-org.antlr.v4.runtime.ParserRuleContext-org.apache.sysds.parser.Expression.DataOp-java.util.HashMap-java.lang.String-">DataExpression</a></span>(org.antlr.v4.runtime.ParserRuleContext&nbsp;ctx,
               <a href="../../../../org/apache/sysds/parser/Expression.DataOp.html" title="enum in org.apache.sysds.parser">Expression.DataOp</a>&nbsp;op,
               <a href="https://docs.oracle.com/javase/8/docs/api/java/util/HashMap.html?is-external=true" title="class or interface in java.util">HashMap</a>&lt;<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/sysds/parser/Expression.html" title="class in org.apache.sysds.parser">Expression</a>&gt;&nbsp;varParams,
               <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>&nbsp;filename)</code>&nbsp;</td>
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 <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">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</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>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#addFederatedExprParam-java.lang.String-org.apache.sysds.parser.Expression-">addFederatedExprParam</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>&nbsp;paramName,
                      <a href="../../../../org/apache/sysds/parser/Expression.html" title="class in org.apache.sysds.parser">Expression</a>&nbsp;paramValue)</code>&nbsp;</td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#addFrameExprParam-java.lang.String-org.apache.sysds.parser.Expression-">addFrameExprParam</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>&nbsp;paramName,
                  <a href="../../../../org/apache/sysds/parser/Expression.html" title="class in org.apache.sysds.parser">Expression</a>&nbsp;paramValue)</code>&nbsp;</td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#addMatrixExprParam-java.lang.String-org.apache.sysds.parser.Expression-">addMatrixExprParam</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>&nbsp;paramName,
                   <a href="../../../../org/apache/sysds/parser/Expression.html" title="class in org.apache.sysds.parser">Expression</a>&nbsp;paramValue)</code>&nbsp;</td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#addRandExprParam-java.lang.String-org.apache.sysds.parser.Expression-">addRandExprParam</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>&nbsp;paramName,
                 <a href="../../../../org/apache/sysds/parser/Expression.html" title="class in org.apache.sysds.parser">Expression</a>&nbsp;paramValue)</code>&nbsp;</td>
 </tr>
 <tr id="i4" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#addSqlExprParam-java.lang.String-org.apache.sysds.parser.Expression-">addSqlExprParam</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>&nbsp;paramName,
                <a href="../../../../org/apache/sysds/parser/Expression.html" title="class in org.apache.sysds.parser">Expression</a>&nbsp;paramValue)</code>&nbsp;</td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#addTensorExprParam-java.lang.String-org.apache.sysds.parser.Expression-">addTensorExprParam</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>&nbsp;paramName,
                   <a href="../../../../org/apache/sysds/parser/Expression.html" title="class in org.apache.sysds.parser">Expression</a>&nbsp;paramValue)</code>&nbsp;</td>
 </tr>
 <tr id="i6" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#addVarParam-java.lang.String-org.apache.sysds.parser.Expression-">addVarParam</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>&nbsp;name,
            <a href="../../../../org/apache/sysds/parser/Expression.html" title="class in org.apache.sysds.parser">Expression</a>&nbsp;value)</code>&nbsp;</td>
 </tr>
 <tr id="i7" class="rowColor">
 <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/sysds/parser/DataExpression.html#checkHasDelimitedFormat-java.lang.String-boolean-">checkHasDelimitedFormat</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>&nbsp;filename,
                        boolean&nbsp;conditional)</code>&nbsp;</td>
 </tr>
 <tr id="i8" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#checkHasMatrixMarketFormat-java.lang.String-java.lang.String-boolean-">checkHasMatrixMarketFormat</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>&nbsp;inputFileName,
                           <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>&nbsp;mtdFileName,
                           boolean&nbsp;conditional)</code>&nbsp;</td>
 </tr>
 <tr id="i9" class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../org/apache/sysds/parser/DataExpression.html" title="class in org.apache.sysds.parser">DataExpression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#getDataExpression-org.antlr.v4.runtime.ParserRuleContext-java.lang.String-java.util.ArrayList-java.lang.String-org.apache.sysds.parser.dml.CustomErrorListener-">getDataExpression</a></span>(org.antlr.v4.runtime.ParserRuleContext&nbsp;ctx,
                  <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>&nbsp;functionName,
                  <a href="https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;<a href="../../../../org/apache/sysds/parser/ParameterExpression.html" title="class in org.apache.sysds.parser">ParameterExpression</a>&gt;&nbsp;passedParamExprs,
                  <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>&nbsp;filename,
                  <a href="../../../../org/apache/sysds/parser/dml/CustomErrorListener.html" title="class in org.apache.sysds.parser.dml">CustomErrorListener</a>&nbsp;errorListener)</code>&nbsp;</td>
 </tr>
 <tr id="i10" class="altColor">
 <td class="colFirst"><code>static <a href="../../../../org/apache/sysds/parser/DataExpression.html" title="class in org.apache.sysds.parser">DataExpression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#getDataExpression-java.lang.String-java.util.ArrayList-org.apache.sysds.parser.ParseInfo-org.apache.sysds.parser.dml.CustomErrorListener-">getDataExpression</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>&nbsp;functionName,
                  <a href="https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;<a href="../../../../org/apache/sysds/parser/ParameterExpression.html" title="class in org.apache.sysds.parser">ParameterExpression</a>&gt;&nbsp;passedParamExprs,
                  <a href="../../../../org/apache/sysds/parser/ParseInfo.html" title="interface in org.apache.sysds.parser">ParseInfo</a>&nbsp;parseInfo,
                  <a href="../../../../org/apache/sysds/parser/dml/CustomErrorListener.html" title="class in org.apache.sysds.parser.dml">CustomErrorListener</a>&nbsp;errorListener)</code>&nbsp;</td>
 </tr>
 <tr id="i11" class="rowColor">
 <td class="colFirst"><code>static <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/sysds/parser/DataExpression.html#getMTDFileName-java.lang.String-">getMTDFileName</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>&nbsp;inputFileName)</code>&nbsp;</td>
 </tr>
 <tr id="i12" class="altColor">
 <td class="colFirst"><code><a href="../../../../org/apache/sysds/parser/Expression.DataOp.html" title="enum in org.apache.sysds.parser">Expression.DataOp</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#getOpCode--">getOpCode</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i13" class="rowColor">
 <td class="colFirst"><code><a href="../../../../org/apache/sysds/parser/Expression.html" title="class in org.apache.sysds.parser">Expression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#getVarParam-java.lang.String-">getVarParam</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>&nbsp;name)</code>&nbsp;</td>
 </tr>
 <tr id="i14" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/HashMap.html?is-external=true" title="class or interface in java.util">HashMap</a>&lt;<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/sysds/parser/Expression.html" title="class in org.apache.sysds.parser">Expression</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#getVarParams--">getVarParams</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i15" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#isCSVReadWithUnknownSize--">isCSVReadWithUnknownSize</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i16" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#isRead--">isRead</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i17" class="rowColor">
 <td class="colFirst"><code>org.apache.wink.json4j.JSONObject</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#readMetadataFile-java.lang.String-boolean-">readMetadataFile</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>&nbsp;filename,
                 boolean&nbsp;conditional)</code>&nbsp;</td>
 </tr>
 <tr id="i18" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#removeVarParam-java.lang.String...-">removeVarParam</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>...&nbsp;names)</code>&nbsp;</td>
 </tr>
 <tr id="i19" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#removeVarParam-java.lang.String-">removeVarParam</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>&nbsp;name)</code>&nbsp;</td>
 </tr>
 <tr id="i20" class="altColor">
 <td class="colFirst"><code><a href="../../../../org/apache/sysds/parser/Expression.html" title="class in org.apache.sysds.parser">Expression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#rewriteExpression-java.lang.String-">rewriteExpression</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>&nbsp;prefix)</code>&nbsp;</td>
 </tr>
 <tr id="i21" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#setCheckMetadata-boolean-">setCheckMetadata</a></span>(boolean&nbsp;checkMetadata)</code>&nbsp;</td>
 </tr>
 <tr id="i22" class="altColor">
 <td class="colFirst"><code>void</code></td>
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 <tr id="i23" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#setFrameDefault--">setFrameDefault</a></span>()</code>&nbsp;</td>
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 <tr id="i24" class="altColor">
 <td class="colFirst"><code>void</code></td>
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 <div class="block">By default we use rowwise matrix reshape according to our internal dense/sparse matrix representations.</div>
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 <tr id="i25" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#setOpCode-org.apache.sysds.parser.Expression.DataOp-">setOpCode</a></span>(<a href="../../../../org/apache/sysds/parser/Expression.DataOp.html" title="enum in org.apache.sysds.parser">Expression.DataOp</a>&nbsp;op)</code>&nbsp;</td>
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 <tr id="i26" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#setRandDefault--">setRandDefault</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i27" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#setTensorDefault--">setTensorDefault</a></span>()</code>&nbsp;</td>
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 <tr id="i28" class="altColor">
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 <tr id="i29" class="rowColor">
 <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/sysds/parser/DataExpression.html#toString--">toString</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i30" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#validateExpression-java.util.HashMap-java.util.HashMap-boolean-">validateExpression</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/HashMap.html?is-external=true" title="class or interface in java.util">HashMap</a>&lt;<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/sysds/parser/DataIdentifier.html" title="class in org.apache.sysds.parser">DataIdentifier</a>&gt;&nbsp;ids,
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 <div class="block">Validate parse tree : Process Data Expression in an assignment
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 </td>
 </tr>
 <tr id="i31" class="rowColor">
 <td class="colFirst"><code><a href="../../../../org/apache/sysds/parser/VariableSet.html" title="class in org.apache.sysds.parser">VariableSet</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#variablesRead--">variablesRead</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i32" class="altColor">
 <td class="colFirst"><code><a href="../../../../org/apache/sysds/parser/VariableSet.html" title="class in org.apache.sysds.parser">VariableSet</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/sysds/parser/DataExpression.html#variablesUpdated--">variablesUpdated</a></span>()</code>&nbsp;</td>
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 <h3>Methods inherited from class&nbsp;org.apache.sysds.parser.<a href="../../../../org/apache/sysds/parser/DataIdentifier.html" title="class in org.apache.sysds.parser">DataIdentifier</a></h3>
 <code><a href="../../../../org/apache/sysds/parser/DataIdentifier.html#equals-java.lang.Object-">equals</a>, <a href="../../../../org/apache/sysds/parser/DataIdentifier.html#getName--">getName</a>, <a href="../../../../org/apache/sysds/parser/DataIdentifier.html#hashCode--">hashCode</a>, <a href="../../../../org/apache/sysds/parser/DataIdentifier.html#multipleReturns--">multipleReturns</a>, <a href="../../../../org/apache/sysds/parser/DataIdentifier.html#setName-java.lang.String-">setName</a></code></li>
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 <h3>Methods inherited from class&nbsp;org.apache.sysds.parser.<a href="../../../../org/apache/sysds/parser/Identifier.html" title="class in org.apache.sysds.parser">Identifier</a></h3>
 <code><a href="../../../../org/apache/sysds/parser/Identifier.html#computeDataType--">computeDataType</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#dimsKnown--">dimsKnown</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#getBlocksize--">getBlocksize</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#getDataType--">getDataType</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#getDim1--">getDim1</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#getDim2--">getDim2</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#getFileFormat--">getFileFormat</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#getNnz--">getNnz</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#getPrivacy--">getPrivacy</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#getValueType--">getValueType</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#isScalarBoolean--">isScalarBoolean</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#setBlocksize-int-">setBlocksize</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#setBooleanProperties--">setBooleanProperties</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#setDataType-org.apache.sysds.common.Types.DataType-">setDataType</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#setDimensions-long-long-">setDimensions</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#setDimensionValueProperties-org.apache.sysds.parser.Identifier-">setDimensionValueProperties</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#setFileFormat-org.apache.sysds.common.Types.FileFormat-">setFileFormat</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#setIntProperties--">setIntProperties</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#setNnz-long-">setNnz</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#setPrivacy-org.apache.sysds.runtime.privacy.PrivacyConstraint.PrivacyLevel-">setPrivacy</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#setPrivacy-org.apache.sysds.runtime.privacy.PrivacyConstraint-">setPrivacy</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#setProperties-org.apache.sysds.parser.Identifier-">setProperties</a>, <a href="../../../../org/apache/sysds/parser/Identifier.html#setValueType-org.apache.sysds.common.Types.ValueType-">setValueType</a></code></li>
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 <h3>Methods inherited from class&nbsp;org.apache.sysds.parser.<a href="../../../../org/apache/sysds/parser/Expression.html" title="class in org.apache.sysds.parser">Expression</a></h3>
 <code><a href="../../../../org/apache/sysds/parser/Expression.html#computeDataType-org.apache.sysds.parser.Expression-org.apache.sysds.parser.Expression-boolean-">computeDataType</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#computeDataType-org.apache.sysds.parser.Identifier-org.apache.sysds.parser.Identifier-boolean-">computeDataType</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#computeValueType-org.apache.sysds.parser.Expression-org.apache.sysds.parser.Expression-boolean-">computeValueType</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#computeValueType-org.apache.sysds.parser.Expression-org.apache.sysds.common.Types.ValueType-org.apache.sysds.common.Types.ValueType-boolean-">computeValueType</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#computeValueType-org.apache.sysds.parser.Identifier-org.apache.sysds.parser.Identifier-boolean-">computeValueType</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#convertFormatType-java.lang.String-">convertFormatType</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#getBeginColumn--">getBeginColumn</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#getBeginLine--">getBeginLine</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#getBinaryMatrixCharacteristics-org.apache.sysds.parser.Expression-org.apache.sysds.parser.Expression-">getBinaryMatrixCharacteristics</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#getBinaryOp-java.lang.String-">getBinaryOp</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#getBooleanOp-java.lang.String-">getBooleanOp</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#getEndColumn--">getEndColumn</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#getEndLine--">getEndLine</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#getFilename--">getFilename</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#getOutput--">getOutput</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#getOutputs--">getOutputs</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#getParseExceptionList--">getParseExceptionList</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#getRelationalOp-java.lang.String-">getRelationalOp</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#getTempName--">getTempName</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#getText--">getText</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#printErrorLocation--">printErrorLocation</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#printInfoLocation--">printInfoLocation</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#printWarningLocation--">printWarningLocation</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#raiseValidateError-java.lang.String-">raiseValidateError</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#raiseValidateError-java.lang.String-boolean-">raiseValidateError</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#raiseValidateError-java.lang.String-boolean-java.lang.String-">raiseValidateError</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#setBeginColumn-int-">setBeginColumn</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#setBeginLine-int-">setBeginLine</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#setCtxValues-org.antlr.v4.runtime.ParserRuleContext-">setCtxValues</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#setCtxValuesAndFilename-org.antlr.v4.runtime.ParserRuleContext-java.lang.String-">setCtxValuesAndFilename</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#setEndColumn-int-">setEndColumn</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#setEndLine-int-">setEndLine</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#setFilename-java.lang.String-">setFilename</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#setOutput-org.apache.sysds.parser.Identifier-">setOutput</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#setParseExceptionList-java.util.ArrayList-">setParseExceptionList</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#setParseInfo-org.apache.sysds.parser.ParseInfo-">setParseInfo</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#setText-java.lang.String-">setText</a>, <a href="../../../../org/apache/sysds/parser/Expression.html#validateExpression-org.apache.sysds.parser.MultiAssignmentStatement-java.util.HashMap-java.util.HashMap-boolean-">validateExpression</a></code></li>
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 <code><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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 <h3>Methods inherited from interface&nbsp;org.apache.sysds.parser.<a href="../../../../org/apache/sysds/parser/ParseInfo.html" title="interface in org.apache.sysds.parser">ParseInfo</a></h3>
 <code><a href="../../../../org/apache/sysds/parser/ParseInfo.html#ctxAndFilenameToParseInfo-org.antlr.v4.runtime.ParserRuleContext-java.lang.String-">ctxAndFilenameToParseInfo</a></code></li>
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 <h3>Field Detail</h3>
 <a name="RAND_DIMS">
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 <h4>RAND_DIMS</h4>
 <pre>public static final&nbsp;<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> RAND_DIMS</pre>
 <dl>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="../../../../constant-values.html#org.apache.sysds.parser.DataExpression.RAND_DIMS">Constant Field Values</a></dd>
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 <pre>public static final&nbsp;<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> RAND_ROWS</pre>
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 <dd><a href="../../../../constant-values.html#org.apache.sysds.parser.DataExpression.RAND_ROWS">Constant Field Values</a></dd>
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 <pre>public static final&nbsp;<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> RAND_COLS</pre>
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 <dd><a href="../../../../constant-values.html#org.apache.sysds.parser.DataExpression.RAND_COLS">Constant Field Values</a></dd>
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 <pre>public static final&nbsp;<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> RAND_MIN</pre>
 <dl>
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 <dd><a href="../../../../constant-values.html#org.apache.sysds.parser.DataExpression.RAND_MIN">Constant Field Values</a></dd>
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 <pre>public static final&nbsp;<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> RAND_MAX</pre>
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 <dd><a href="../../../../constant-values.html#org.apache.sysds.parser.DataExpression.RAND_MAX">Constant Field Values</a></dd>
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 <pre>public static final&nbsp;<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> RAND_SPARSITY</pre>
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 <dd><a href="../../../../constant-values.html#org.apache.sysds.parser.DataExpression.RAND_SPARSITY">Constant Field Values</a></dd>
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 <pre>public static final&nbsp;<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> RAND_SEED</pre>
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 <dd><a href="../../../../constant-values.html#org.apache.sysds.parser.DataExpression.RAND_SEED">Constant Field Values</a></dd>
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 <h4>RAND_PDF</h4>
 <pre>public static final&nbsp;<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> RAND_PDF</pre>
 <dl>
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 <dd><a href="../../../../constant-values.html#org.apache.sysds.parser.DataExpression.RAND_PDF">Constant Field Values</a></dd>
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 <pre>public static final&nbsp;<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> RAND_LAMBDA</pre>
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 <dd><a href="../../../../constant-values.html#org.apache.sysds.parser.DataExpression.RAND_LAMBDA">Constant Field Values</a></dd>
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 <pre>public static final&nbsp;<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> RAND_PDF_UNIFORM</pre>
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 <dd><a href="../../../../constant-values.html#org.apache.sysds.parser.DataExpression.RAND_PDF_UNIFORM">Constant Field Values</a></dd>
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 <pre>public static final&nbsp;<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> RAND_BY_ROW</pre>
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 <dd><a href="../../../../constant-values.html#org.apache.sysds.parser.DataExpression.RAND_BY_ROW">Constant Field Values</a></dd>
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 <dd><a href="../../../../constant-values.html#org.apache.sysds.parser.DataExpression.RAND_DIMNAMES">Constant Field Values</a></dd>
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 <dd><a href="../../../../constant-values.html#org.apache.sysds.parser.DataExpression.RAND_DATA">Constant Field Values</a></dd>
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 <h4>IO_FILENAME</h4>
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 <dd><a href="../../../../constant-values.html#org.apache.sysds.parser.DataExpression.IO_FILENAME">Constant Field Values</a></dd>
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 <dd><a href="../../../../constant-values.html#org.apache.sysds.parser.DataExpression.READROWPARAM">Constant Field Values</a></dd>
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 <div class="block">Validate parse tree : Process Data Expression in an assignment
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