apidocs/org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html - drill-site - Git at Google

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 <div class="subTitle">org.apache.drill.exec.physical.base</div>
 <h2 title="Class AbstractGroupScanWithMetadata" class="title">Class AbstractGroupScanWithMetadata&lt;P extends <a href="../../../../../../org/apache/drill/metastore/metadata/TableMetadataProvider.html" title="interface in org.apache.drill.metastore.metadata">TableMetadataProvider</a>&gt;</h2>
 </div>
 <div class="contentContainer">
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 <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>
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 <ul class="inheritance">
 <li><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html" title="class in org.apache.drill.exec.physical.base">org.apache.drill.exec.physical.base.AbstractBase</a></li>
 <li>
 <ul class="inheritance">
 <li><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html" title="class in org.apache.drill.exec.physical.base">org.apache.drill.exec.physical.base.AbstractGroupScan</a></li>
 <li>
 <ul class="inheritance">
 <li><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractFileGroupScan.html" title="class in org.apache.drill.exec.physical.base">org.apache.drill.exec.physical.base.AbstractFileGroupScan</a></li>
 <li>
 <ul class="inheritance">
 <li>org.apache.drill.exec.physical.base.AbstractGroupScanWithMetadata&lt;P&gt;</li>
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 <dt>All Implemented Interfaces:</dt>
 <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</a>&lt;<a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a>&gt;, <a href="../../../../../../org/apache/drill/common/graph/GraphValue.html" title="interface in org.apache.drill.common.graph">GraphValue</a>&lt;<a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a>&gt;, <a href="../../../../../../org/apache/drill/exec/physical/base/FileGroupScan.html" title="interface in org.apache.drill.exec.physical.base">FileGroupScan</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/FragmentLeaf.html" title="interface in org.apache.drill.exec.physical.base">FragmentLeaf</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html" title="interface in org.apache.drill.exec.physical.base">GroupScan</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/HasAffinity.html" title="interface in org.apache.drill.exec.physical.base">HasAffinity</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/Leaf.html" title="interface in org.apache.drill.exec.physical.base">Leaf</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/PhysicalOperator.html" title="interface in org.apache.drill.exec.physical.base">PhysicalOperator</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/Scan.html" title="interface in org.apache.drill.exec.physical.base">Scan</a></dd>
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 <dl>
 <dt>Direct Known Subclasses:</dt>
 <dd><a href="../../../../../../org/apache/drill/exec/store/parquet/AbstractParquetGroupScan.html" title="class in org.apache.drill.exec.store.parquet">AbstractParquetGroupScan</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyGroupScan.html" title="class in org.apache.drill.exec.store.dfs.easy">EasyGroupScan</a></dd>
 </dl>
 <hr>
 <br>
 <pre>public abstract class <span class="typeNameLabel">AbstractGroupScanWithMetadata&lt;P extends <a href="../../../../../../org/apache/drill/metastore/metadata/TableMetadataProvider.html" title="interface in org.apache.drill.metastore.metadata">TableMetadataProvider</a>&gt;</span>
 extends <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractFileGroupScan.html" title="class in org.apache.drill.exec.physical.base">AbstractFileGroupScan</a></pre>
 <div class="block">Represents table group scan with metadata usage.</div>
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 <caption><span>Nested Classes</span><span class="tabEnd">&nbsp;</span></caption>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Class and Description</th>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected static class&nbsp;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer.html" title="class in org.apache.drill.exec.physical.base">AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer</a>&lt;<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer.html" title="type parameter in AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer">B</a> extends <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer.html" title="class in org.apache.drill.exec.physical.base">AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer</a>&lt;<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer.html" title="type parameter in AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer">B</a>&gt;&gt;</span></code>
 <div class="block">This class is responsible for filtering different metadata levels.</div>
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 <caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Field and Description</th>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected <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>&lt;<a href="../../../../../../org/apache/drill/common/expression/SchemaPath.html" title="class in org.apache.drill.common.expression">SchemaPath</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#columns">columns</a></span></code>&nbsp;</td>
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 <tr class="rowColor">
 <td class="colFirst"><code>protected <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>&lt;org.apache.hadoop.fs.Path,<a href="../../../../../../org/apache/drill/metastore/metadata/FileMetadata.html" title="class in org.apache.drill.metastore.metadata">FileMetadata</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#files">files</a></span></code>&nbsp;</td>
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 <tr class="altColor">
 <td class="colFirst"><code>protected <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;org.apache.hadoop.fs.Path&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#fileSet">fileSet</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected <a href="../../../../../../org/apache/drill/common/expression/LogicalExpression.html" title="interface in org.apache.drill.common.expression">LogicalExpression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#filter">filter</a></span></code>&nbsp;</td>
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 <tr class="altColor">
 <td class="colFirst"><code>protected int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#limit">limit</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#matchAllMetadata">matchAllMetadata</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html" title="type parameter in AbstractGroupScanWithMetadata">P</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#metadataProvider">metadataProvider</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected <a href="../../../../../../org/apache/drill/metastore/metadata/NonInterestingColumnsMetadata.html" title="class in org.apache.drill.metastore.metadata">NonInterestingColumnsMetadata</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#nonInterestingColumnsMetadata">nonInterestingColumnsMetadata</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected <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>&lt;<a href="../../../../../../org/apache/drill/common/expression/SchemaPath.html" title="class in org.apache.drill.common.expression">SchemaPath</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#partitionColumns">partitionColumns</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected <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>&lt;<a href="../../../../../../org/apache/drill/metastore/metadata/PartitionMetadata.html" title="class in org.apache.drill.metastore.metadata">PartitionMetadata</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#partitions">partitions</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected <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>&lt;org.apache.hadoop.fs.Path,<a href="../../../../../../org/apache/drill/metastore/metadata/SegmentMetadata.html" title="class in org.apache.drill.metastore.metadata">SegmentMetadata</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#segments">segments</a></span></code>&nbsp;</td>
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 <tr class="rowColor">
 <td class="colFirst"><code>protected <a href="../../../../../../org/apache/drill/metastore/metadata/TableMetadata.html" title="interface in org.apache.drill.metastore.metadata">TableMetadata</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#tableMetadata">tableMetadata</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#usedMetastore">usedMetastore</a></span></code>&nbsp;</td>
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 <h3>Fields inherited from class&nbsp;org.apache.drill.exec.physical.base.<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html" title="class in org.apache.drill.exec.physical.base">AbstractBase</a></h3>
 <code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#INIT_ALLOCATION">INIT_ALLOCATION</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#initialAllocation">initialAllocation</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#MAX_ALLOCATION">MAX_ALLOCATION</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#maxAllocation">maxAllocation</a>, <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractBase.html#userName">userName</a></code></li>
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 <h3>Fields inherited from interface&nbsp;org.apache.drill.exec.physical.base.<a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html" title="interface in org.apache.drill.exec.physical.base">GroupScan</a></h3>
 <code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html#ALL_COLUMNS">ALL_COLUMNS</a></code></li>
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 <caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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 <th class="colFirst" scope="col">Modifier</th>
 <th class="colLast" scope="col">Constructor and Description</th>
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 <td class="colFirst"><code>protected </code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#AbstractGroupScanWithMetadata-org.apache.drill.exec.physical.base.AbstractGroupScanWithMetadata-">AbstractGroupScanWithMetadata</a></span>(<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html" title="class in org.apache.drill.exec.physical.base">AbstractGroupScanWithMetadata</a>&lt;<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html" title="type parameter in AbstractGroupScanWithMetadata">P</a>&gt;&nbsp;that)</code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected </code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#AbstractGroupScanWithMetadata-java.lang.String-java.util.List-org.apache.drill.common.expression.LogicalExpression-">AbstractGroupScanWithMetadata</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;userName,
                              <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>&lt;<a href="../../../../../../org/apache/drill/common/expression/SchemaPath.html" title="class in org.apache.drill.common.expression">SchemaPath</a>&gt;&nbsp;columns,
                              <a href="../../../../../../org/apache/drill/common/expression/LogicalExpression.html" title="interface in org.apache.drill.common.expression">LogicalExpression</a>&nbsp;filter)</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="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract 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><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html" title="class in org.apache.drill.exec.physical.base">AbstractGroupScanWithMetadata</a>&lt;?&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#applyFilter-org.apache.drill.common.expression.LogicalExpression-org.apache.drill.exec.ops.UdfUtilities-org.apache.drill.exec.expr.fn.FunctionImplementationRegistry-org.apache.drill.exec.server.options.OptionManager-">applyFilter</a></span>(<a href="../../../../../../org/apache/drill/common/expression/LogicalExpression.html" title="interface in org.apache.drill.common.expression">LogicalExpression</a>&nbsp;filterExpr,
            <a href="../../../../../../org/apache/drill/exec/ops/UdfUtilities.html" title="interface in org.apache.drill.exec.ops">UdfUtilities</a>&nbsp;udfUtilities,
            <a href="../../../../../../org/apache/drill/exec/expr/fn/FunctionImplementationRegistry.html" title="class in org.apache.drill.exec.expr.fn">FunctionImplementationRegistry</a>&nbsp;functionImplementationRegistry,
            <a href="../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a>&nbsp;optionManager)</code>
 <div class="block">Applies specified filter <code>filterExpr</code> to current group scan and produces filtering at:

  table level:
  if filter matches all the the data or prunes all the data, sets corresponding value to
  <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#isMatchAllMetadata--"><code>isMatchAllMetadata()</code></a> and returns null
  segment level:
  if filter matches all the the data or prunes all the data, sets corresponding value to
  <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#isMatchAllMetadata--"><code>isMatchAllMetadata()</code></a> and returns null
  if segment metadata was pruned, prunes underlying metadata
  partition level:
  if filter matches all the the data or prunes all the data, sets corresponding value to
  <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#isMatchAllMetadata--"><code>isMatchAllMetadata()</code></a> and returns null
  if partition metadata was pruned, prunes underlying metadata
  file level:
  if filter matches all the the data or prunes all the data, sets corresponding value to
  <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#isMatchAllMetadata--"><code>isMatchAllMetadata()</code></a> and returns null
  </div>
 </td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html" title="interface in org.apache.drill.exec.physical.base">GroupScan</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#applyLimit-int-">applyLimit</a></span>(int&nbsp;maxRecords)</code>
 <div class="block">By default, return null to indicate row count based prune is not supported.</div>
 </td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#checkMetadataConsistency-org.apache.drill.exec.store.dfs.FileSelection-org.apache.hadoop.conf.Configuration-">checkMetadataConsistency</a></span>(<a href="../../../../../../org/apache/drill/exec/store/dfs/FileSelection.html" title="class in org.apache.drill.exec.store.dfs">FileSelection</a>&nbsp;selection,
                         org.apache.hadoop.conf.Configuration&nbsp;fsConf)</code>
 <div class="block">Compares the last modified time of files obtained from specified selection with
  the Metastore last modified time to determine whether Metastore metadata
  is up-to-date.</div>
 </td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code>protected abstract <a href="../../../../../../org/apache/drill/metastore/metadata/TableMetadataProviderBuilder.html" title="interface in org.apache.drill.metastore.metadata">TableMetadataProviderBuilder</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#defaultTableMetadataProviderBuilder-org.apache.drill.exec.metastore.MetadataProviderManager-">defaultTableMetadataProviderBuilder</a></span>(<a href="../../../../../../org/apache/drill/exec/metastore/MetadataProviderManager.html" title="interface in org.apache.drill.exec.metastore">MetadataProviderManager</a>&nbsp;source)</code>
 <div class="block">Returns <a href="../../../../../../org/apache/drill/metastore/metadata/TableMetadataProviderBuilder.html" title="interface in org.apache.drill.metastore.metadata"><code>TableMetadataProviderBuilder</code></a> instance which may provide metadata
  without using Drill Metastore.</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>&lt;<a href="../../../../../../org/apache/drill/common/expression/SchemaPath.html" title="class in org.apache.drill.common.expression">SchemaPath</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getColumns--">getColumns</a></span>()</code>
 <div class="block">Returns a list of columns scanned by this group scan</div>
 </td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code>long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getColumnValueCount-org.apache.drill.common.expression.SchemaPath-">getColumnValueCount</a></span>(<a href="../../../../../../org/apache/drill/common/expression/SchemaPath.html" title="class in org.apache.drill.common.expression">SchemaPath</a>&nbsp;column)</code>
 <div class="block">Return column value count for the specified column.</div>
 </td>
 </tr>
 <tr id="i6" 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/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getDigest--">getDigest</a></span>()</code>
 <div class="block">Returns a signature of the <a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html" title="interface in org.apache.drill.exec.physical.base"><code>GroupScan</code></a> which should usually be composed of
  all its attributes which could describe it uniquely.</div>
 </td>
 </tr>
 <tr id="i7" class="rowColor">
 <td class="colFirst"><code><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>&lt;org.apache.hadoop.fs.Path&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getFiles--">getFiles</a></span>()</code>
 <div class="block">Returns a collection of file names associated with this GroupScan.</div>
 </td>
 </tr>
 <tr id="i8" class="altColor">
 <td class="colFirst"><code><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;org.apache.hadoop.fs.Path&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getFileSet--">getFileSet</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i9" class="rowColor">
 <td class="colFirst"><code><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>&lt;org.apache.hadoop.fs.Path,<a href="../../../../../../org/apache/drill/metastore/metadata/FileMetadata.html" title="class in org.apache.drill.metastore.metadata">FileMetadata</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getFilesMetadata--">getFilesMetadata</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i10" class="altColor">
 <td class="colFirst"><code><a href="../../../../../../org/apache/drill/common/expression/LogicalExpression.html" title="interface in org.apache.drill.common.expression">LogicalExpression</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getFilter--">getFilter</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i11" class="rowColor">
 <td class="colFirst"><code>protected abstract <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer.html" title="class in org.apache.drill.exec.physical.base">AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer</a>&lt;?&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getFilterer--">getFilterer</a></span>()</code>
 <div class="block">Returns holder for metadata values which provides API to filter metadata
  and build new group scan instance using filtered metadata.</div>
 </td>
 </tr>
 <tr id="i12" class="altColor">
 <td class="colFirst"><code><a href="../../../../../../org/apache/drill/exec/expr/FilterPredicate.html" title="interface in org.apache.drill.exec.expr">FilterPredicate</a>&lt;?&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getFilterPredicate-org.apache.drill.common.expression.LogicalExpression-org.apache.drill.exec.ops.UdfUtilities-org.apache.drill.exec.expr.fn.FunctionLookupContext-org.apache.drill.exec.server.options.OptionManager-boolean-">getFilterPredicate</a></span>(<a href="../../../../../../org/apache/drill/common/expression/LogicalExpression.html" title="interface in org.apache.drill.common.expression">LogicalExpression</a>&nbsp;filterExpr,
                   <a href="../../../../../../org/apache/drill/exec/ops/UdfUtilities.html" title="interface in org.apache.drill.exec.ops">UdfUtilities</a>&nbsp;udfUtilities,
                   <a href="../../../../../../org/apache/drill/exec/expr/fn/FunctionLookupContext.html" title="interface in org.apache.drill.exec.expr.fn">FunctionLookupContext</a>&nbsp;functionImplementationRegistry,
                   <a href="../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a>&nbsp;optionManager,
                   boolean&nbsp;omitUnsupportedExprs)</code>&nbsp;</td>
 </tr>
 <tr id="i13" class="rowColor">
 <td class="colFirst"><code>static <a href="../../../../../../org/apache/drill/exec/expr/FilterPredicate.html" title="interface in org.apache.drill.exec.expr">FilterPredicate</a>&lt;?&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getFilterPredicate-org.apache.drill.common.expression.LogicalExpression-org.apache.drill.exec.ops.UdfUtilities-org.apache.drill.exec.expr.fn.FunctionLookupContext-org.apache.drill.exec.server.options.OptionManager-boolean-boolean-org.apache.drill.exec.record.metadata.TupleMetadata-">getFilterPredicate</a></span>(<a href="../../../../../../org/apache/drill/common/expression/LogicalExpression.html" title="interface in org.apache.drill.common.expression">LogicalExpression</a>&nbsp;filterExpr,
                   <a href="../../../../../../org/apache/drill/exec/ops/UdfUtilities.html" title="interface in org.apache.drill.exec.ops">UdfUtilities</a>&nbsp;udfUtilities,
                   <a href="../../../../../../org/apache/drill/exec/expr/fn/FunctionLookupContext.html" title="interface in org.apache.drill.exec.expr.fn">FunctionLookupContext</a>&nbsp;functionImplementationRegistry,
                   <a href="../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a>&nbsp;optionManager,
                   boolean&nbsp;omitUnsupportedExprs,
                   boolean&nbsp;supportsFileImplicitColumns,
                   <a href="../../../../../../org/apache/drill/exec/record/metadata/TupleMetadata.html" title="interface in org.apache.drill.exec.record.metadata">TupleMetadata</a>&nbsp;schema)</code>
 <div class="block">Returns parquet filter predicate built from specified <code>filterExpr</code>.</div>
 </td>
 </tr>
 <tr id="i14" class="altColor">
 <td class="colFirst"><code>protected <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/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getFilterString--">getFilterString</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i15" class="rowColor">
 <td class="colFirst"><code>int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getLimit--">getLimit</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i16" class="altColor">
 <td class="colFirst"><code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html" title="type parameter in AbstractGroupScanWithMetadata">P</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getMetadataProvider--">getMetadataProvider</a></span>()</code>
 <div class="block">Returns <a href="../../../../../../org/apache/drill/metastore/metadata/TableMetadataProvider.html" title="interface in org.apache.drill.metastore.metadata"><code>TableMetadataProvider</code></a> instance which is used for providing metadata for current <a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html" title="interface in org.apache.drill.exec.physical.base"><code>GroupScan</code></a>.</div>
 </td>
 </tr>
 <tr id="i17" class="rowColor">
 <td class="colFirst"><code>protected &lt;T&gt;&nbsp;<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>&lt;T&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getNextOrEmpty-java.util.Collection-">getNextOrEmpty</a></span>(<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>&lt;T&gt;&nbsp;inputList)</code>
 <div class="block">Returns list with the first element of input list or empty list if input one was empty.</div>
 </td>
 </tr>
 <tr id="i18" class="altColor">
 <td class="colFirst"><code><a href="../../../../../../org/apache/drill/metastore/metadata/NonInterestingColumnsMetadata.html" title="class in org.apache.drill.metastore.metadata">NonInterestingColumnsMetadata</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getNonInterestingColumnsMetadata--">getNonInterestingColumnsMetadata</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i19" 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>&lt;<a href="../../../../../../org/apache/drill/common/expression/SchemaPath.html" title="class in org.apache.drill.common.expression">SchemaPath</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getPartitionColumns--">getPartitionColumns</a></span>()</code>
 <div class="block">Returns a list of columns that can be used for partition pruning</div>
 </td>
 </tr>
 <tr id="i20" 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>&lt;<a href="../../../../../../org/apache/drill/metastore/metadata/PartitionMetadata.html" title="class in org.apache.drill.metastore.metadata">PartitionMetadata</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getPartitionsMetadata--">getPartitionsMetadata</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i21" class="rowColor">
 <td class="colFirst"><code>&lt;T&gt;&nbsp;T</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getPartitionValue-org.apache.hadoop.fs.Path-org.apache.drill.common.expression.SchemaPath-java.lang.Class-">getPartitionValue</a></span>(org.apache.hadoop.fs.Path&nbsp;path,
                  <a href="../../../../../../org/apache/drill/common/expression/SchemaPath.html" title="class in org.apache.drill.common.expression">SchemaPath</a>&nbsp;column,
                  <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;T&gt;&nbsp;clazz)</code>&nbsp;</td>
 </tr>
 <tr id="i22" class="altColor">
 <td class="colFirst"><code>protected abstract <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>&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/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getPartitionValues-org.apache.drill.metastore.metadata.LocationProvider-">getPartitionValues</a></span>(<a href="../../../../../../org/apache/drill/metastore/metadata/LocationProvider.html" title="interface in org.apache.drill.metastore.metadata">LocationProvider</a>&nbsp;locationProvider)</code>&nbsp;</td>
 </tr>
 <tr id="i23" class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../org/apache/drill/exec/physical/base/ScanStats.html" title="class in org.apache.drill.exec.physical.base">ScanStats</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getScanStats--">getScanStats</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i24" class="altColor">
 <td class="colFirst"><code><a href="../../../../../../org/apache/drill/exec/record/metadata/TupleMetadata.html" title="interface in org.apache.drill.exec.record.metadata">TupleMetadata</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getSchema--">getSchema</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i25" class="rowColor">
 <td class="colFirst"><code><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>&lt;org.apache.hadoop.fs.Path,<a href="../../../../../../org/apache/drill/metastore/metadata/SegmentMetadata.html" title="class in org.apache.drill.metastore.metadata">SegmentMetadata</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getSegmentsMetadata--">getSegmentsMetadata</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i26" class="altColor">
 <td class="colFirst"><code><a href="../../../../../../org/apache/drill/metastore/metadata/TableMetadata.html" title="interface in org.apache.drill.metastore.metadata">TableMetadata</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getTableMetadata--">getTableMetadata</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i27" class="rowColor">
 <td class="colFirst"><code><a href="../../../../../../org/apache/drill/common/types/TypeProtos.MajorType.html" title="class in org.apache.drill.common.types">TypeProtos.MajorType</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#getTypeForColumn-org.apache.drill.common.expression.SchemaPath-">getTypeForColumn</a></span>(<a href="../../../../../../org/apache/drill/common/expression/SchemaPath.html" title="class in org.apache.drill.common.expression">SchemaPath</a>&nbsp;schemaPath)</code>&nbsp;</td>
 </tr>
 <tr id="i28" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#hasFiles--">hasFiles</a></span>()</code>
 <div class="block">Return true if this GroupScan can return its selection as a list of file names (retrieved by getFiles()).</div>
 </td>
 </tr>
 <tr id="i29" class="rowColor">
 <td class="colFirst"><code>protected void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#init--">init</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i30" class="altColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#isAllDataPruned-org.apache.drill.exec.physical.base.AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer-">isAllDataPruned</a></span>(<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer.html" title="class in org.apache.drill.exec.physical.base">AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer</a>&lt;?&gt;&nbsp;filteredMetadata)</code>&nbsp;</td>
 </tr>
 <tr id="i31" class="rowColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#isGroupScanFullyMatchesFilter-org.apache.drill.exec.physical.base.AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer-">isGroupScanFullyMatchesFilter</a></span>(<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer.html" title="class in org.apache.drill.exec.physical.base">AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer</a>&lt;?&gt;&nbsp;filteredMetadata)</code>&nbsp;</td>
 </tr>
 <tr id="i32" class="altColor">
 <td class="colFirst"><code>static boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#isImplicitOrPartCol-org.apache.drill.common.expression.SchemaPath-org.apache.drill.exec.server.options.OptionManager-">isImplicitOrPartCol</a></span>(<a href="../../../../../../org/apache/drill/common/expression/SchemaPath.html" title="class in org.apache.drill.common.expression">SchemaPath</a>&nbsp;schemaPath,
                    <a href="../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a>&nbsp;optionManager)</code>&nbsp;</td>
 </tr>
 <tr id="i33" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#isMatchAllMetadata--">isMatchAllMetadata</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i34" class="altColor">
 <td class="colFirst"><code>protected &lt;T extends <a href="../../../../../../org/apache/drill/metastore/metadata/BaseMetadata.html" title="class in org.apache.drill.metastore.metadata">BaseMetadata</a>&gt;<br><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>&lt;T&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#limitMetadata-java.util.Collection-int-">limitMetadata</a></span>(<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>&lt;T&gt;&nbsp;metadataList,
              int&nbsp;maxRecords)</code>
 <div class="block">Prunes specified metadata list and leaves minimum metadata instances count with general rows number
  which is not less than specified <code>maxRecords</code>.</div>
 </td>
 </tr>
 <tr id="i35" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#modifyFileSelection-org.apache.drill.exec.store.dfs.FileSelection-">modifyFileSelection</a></span>(<a href="../../../../../../org/apache/drill/exec/store/dfs/FileSelection.html" title="class in org.apache.drill.exec.store.dfs">FileSelection</a>&nbsp;selection)</code>&nbsp;</td>
 </tr>
 <tr id="i36" class="altColor">
 <td class="colFirst"><code>protected static &lt;T extends <a href="../../../../../../org/apache/drill/metastore/metadata/BaseMetadata.html" title="class in org.apache.drill.metastore.metadata">BaseMetadata</a> &amp; <a href="../../../../../../org/apache/drill/metastore/metadata/LocationProvider.html" title="interface in org.apache.drill.metastore.metadata">LocationProvider</a>&gt;<br><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>&lt;org.apache.hadoop.fs.Path,T&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#pruneForPartitions-java.util.Map-java.util.List-">pruneForPartitions</a></span>(<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>&lt;org.apache.hadoop.fs.Path,T&gt;&nbsp;metadataToPrune,
                   <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>&lt;<a href="../../../../../../org/apache/drill/metastore/metadata/PartitionMetadata.html" title="class in org.apache.drill.metastore.metadata">PartitionMetadata</a>&gt;&nbsp;filteredPartitionMetadata)</code>
 <div class="block">Removes metadata which does not belong to any of partitions in metadata list.</div>
 </td>
 </tr>
 <tr id="i37" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#setFilter-org.apache.drill.common.expression.LogicalExpression-">setFilter</a></span>(<a href="../../../../../../org/apache/drill/common/expression/LogicalExpression.html" title="interface in org.apache.drill.common.expression">LogicalExpression</a>&nbsp;filter)</code>&nbsp;</td>
 </tr>
 <tr id="i38" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#setFilterForRuntime-org.apache.drill.common.expression.LogicalExpression-org.apache.drill.exec.ops.OptimizerRulesContext-">setFilterForRuntime</a></span>(<a href="../../../../../../org/apache/drill/common/expression/LogicalExpression.html" title="interface in org.apache.drill.common.expression">LogicalExpression</a>&nbsp;filterExpr,
                    <a href="../../../../../../org/apache/drill/exec/ops/OptimizerRulesContext.html" title="interface in org.apache.drill.exec.ops">OptimizerRulesContext</a>&nbsp;optimizerContext)</code>
 <div class="block">Set the filter - thus enabling runtime rowgroup pruning
   The runtime pruning can be disabled with an option.</div>
 </td>
 </tr>
 <tr id="i39" class="rowColor">
 <td class="colFirst"><code>protected abstract boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#supportsFileImplicitColumns--">supportsFileImplicitColumns</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i40" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
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 <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html#getFiles--">getFiles</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html" title="class in org.apache.drill.exec.physical.base">AbstractGroupScan</a></code></dd>
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 <h4>hasFiles</h4>
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 <dl>
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 <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html#hasFiles--">hasFiles</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html" title="interface in org.apache.drill.exec.physical.base">GroupScan</a></code></dd>
 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
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 <div class="block">Return column value count for the specified column.
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  Is used when applying convert to direct scan rule.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
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 <dt><span class="paramLabel">Parameters:</span></dt>
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 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>column value count</dd>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html#getDigest--">GroupScan</a></code></span></div>
 <div class="block">Returns a signature of the <a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html" title="interface in org.apache.drill.exec.physical.base"><code>GroupScan</code></a> which should usually be composed of
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 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
 <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html#getFilter--">getFilter</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html" title="class in org.apache.drill.exec.physical.base">AbstractGroupScan</a></code></dd>
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 <h4>getMetadataProvider</h4>
 <pre>public&nbsp;<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html" title="type parameter in AbstractGroupScanWithMetadata">P</a>&nbsp;getMetadataProvider()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html#getMetadataProvider--">GroupScan</a></code></span></div>
 <div class="block">Returns <a href="../../../../../../org/apache/drill/metastore/metadata/TableMetadataProvider.html" title="interface in org.apache.drill.metastore.metadata"><code>TableMetadataProvider</code></a> instance which is used for providing metadata for current <a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html" title="interface in org.apache.drill.exec.physical.base"><code>GroupScan</code></a>.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html#getMetadataProvider--">getMetadataProvider</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html" title="interface in org.apache.drill.exec.physical.base">GroupScan</a></code></dd>
 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
 <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html#getMetadataProvider--">getMetadataProvider</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html" title="class in org.apache.drill.exec.physical.base">AbstractGroupScan</a></code></dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd><a href="../../../../../../org/apache/drill/metastore/metadata/TableMetadataProvider.html" title="interface in org.apache.drill.metastore.metadata"><code>TableMetadataProvider</code></a> instance the source of metadata</dd>
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 <h4>setFilter</h4>
 <pre>public&nbsp;void&nbsp;setFilter(<a href="../../../../../../org/apache/drill/common/expression/LogicalExpression.html" title="interface in org.apache.drill.common.expression">LogicalExpression</a>&nbsp;filter)</pre>
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 <pre>public&nbsp;void&nbsp;setFilterForRuntime(<a href="../../../../../../org/apache/drill/common/expression/LogicalExpression.html" title="interface in org.apache.drill.common.expression">LogicalExpression</a>&nbsp;filterExpr,
                                 <a href="../../../../../../org/apache/drill/exec/ops/OptimizerRulesContext.html" title="interface in org.apache.drill.exec.ops">OptimizerRulesContext</a>&nbsp;optimizerContext)</pre>
 <div class="block">Set the filter - thus enabling runtime rowgroup pruning
   The runtime pruning can be disabled with an option.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>filterExpr</code> - The filter to be used at runtime to match with rowgroups' footers</dd>
 <dd><code>optimizerContext</code> - The context for the options</dd>
 </dl>
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 <a name="applyFilter-org.apache.drill.common.expression.LogicalExpression-org.apache.drill.exec.ops.UdfUtilities-org.apache.drill.exec.expr.fn.FunctionImplementationRegistry-org.apache.drill.exec.server.options.OptionManager-">
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 <pre>public&nbsp;<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html" title="class in org.apache.drill.exec.physical.base">AbstractGroupScanWithMetadata</a>&lt;?&gt;&nbsp;applyFilter(<a href="../../../../../../org/apache/drill/common/expression/LogicalExpression.html" title="interface in org.apache.drill.common.expression">LogicalExpression</a>&nbsp;filterExpr,
                                                     <a href="../../../../../../org/apache/drill/exec/ops/UdfUtilities.html" title="interface in org.apache.drill.exec.ops">UdfUtilities</a>&nbsp;udfUtilities,
                                                     <a href="../../../../../../org/apache/drill/exec/expr/fn/FunctionImplementationRegistry.html" title="class in org.apache.drill.exec.expr.fn">FunctionImplementationRegistry</a>&nbsp;functionImplementationRegistry,
                                                     <a href="../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a>&nbsp;optionManager)</pre>
 <div class="block">Applies specified filter <code>filterExpr</code> to current group scan and produces filtering at:
  <ul>
  <li>table level:
  <ul><li>if filter matches all the the data or prunes all the data, sets corresponding value to
  <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#isMatchAllMetadata--"><code>isMatchAllMetadata()</code></a> and returns null</li></ul></li>
  <li>segment level:
  <ul><li>if filter matches all the the data or prunes all the data, sets corresponding value to
  <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#isMatchAllMetadata--"><code>isMatchAllMetadata()</code></a> and returns null</li>
  <li>if segment metadata was pruned, prunes underlying metadata</li></ul></li>
  <li>partition level:
  <ul><li>if filter matches all the the data or prunes all the data, sets corresponding value to
  <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#isMatchAllMetadata--"><code>isMatchAllMetadata()</code></a> and returns null</li>
  <li>if partition metadata was pruned, prunes underlying metadata</li></ul></li>
  <li>file level:
  <ul><li>if filter matches all the the data or prunes all the data, sets corresponding value to
  <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.html#isMatchAllMetadata--"><code>isMatchAllMetadata()</code></a> and returns null</li></ul></li>
  </ul></div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html#applyFilter-org.apache.drill.common.expression.LogicalExpression-org.apache.drill.exec.ops.UdfUtilities-org.apache.drill.exec.expr.fn.FunctionImplementationRegistry-org.apache.drill.exec.server.options.OptionManager-">applyFilter</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html" title="interface in org.apache.drill.exec.physical.base">GroupScan</a></code></dd>
 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
 <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html#applyFilter-org.apache.drill.common.expression.LogicalExpression-org.apache.drill.exec.ops.UdfUtilities-org.apache.drill.exec.expr.fn.FunctionImplementationRegistry-org.apache.drill.exec.server.options.OptionManager-">applyFilter</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html" title="class in org.apache.drill.exec.physical.base">AbstractGroupScan</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>filterExpr</code> - filter expression to build</dd>
 <dd><code>udfUtilities</code> - udf utilities</dd>
 <dd><code>functionImplementationRegistry</code> - context to find drill function holder</dd>
 <dd><code>optionManager</code> - option manager</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>group scan with applied filter expression</dd>
 </dl>
 </li>
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 <div class="block">Returns list with the first element of input list or empty list if input one was empty.</div>
 <dl>
 <dt><span class="paramLabel">Type Parameters:</span></dt>
 <dd><code>T</code> - type of values in the list</dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>inputList</code> - the source of the first element</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>list with the first element of input list</dd>
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 <pre>protected abstract&nbsp;<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer.html" title="class in org.apache.drill.exec.physical.base">AbstractGroupScanWithMetadata.GroupScanWithMetadataFilterer</a>&lt;?&gt;&nbsp;getFilterer()</pre>
 <div class="block">Returns holder for metadata values which provides API to filter metadata
  and build new group scan instance using filtered metadata.</div>
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 <a name="getFilterPredicate-org.apache.drill.common.expression.LogicalExpression-org.apache.drill.exec.ops.UdfUtilities-org.apache.drill.exec.expr.fn.FunctionLookupContext-org.apache.drill.exec.server.options.OptionManager-boolean-">
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 <pre>public&nbsp;<a href="../../../../../../org/apache/drill/exec/expr/FilterPredicate.html" title="interface in org.apache.drill.exec.expr">FilterPredicate</a>&lt;?&gt;&nbsp;getFilterPredicate(<a href="../../../../../../org/apache/drill/common/expression/LogicalExpression.html" title="interface in org.apache.drill.common.expression">LogicalExpression</a>&nbsp;filterExpr,
                                              <a href="../../../../../../org/apache/drill/exec/ops/UdfUtilities.html" title="interface in org.apache.drill.exec.ops">UdfUtilities</a>&nbsp;udfUtilities,
                                              <a href="../../../../../../org/apache/drill/exec/expr/fn/FunctionLookupContext.html" title="interface in org.apache.drill.exec.expr.fn">FunctionLookupContext</a>&nbsp;functionImplementationRegistry,
                                              <a href="../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a>&nbsp;optionManager,
                                              boolean&nbsp;omitUnsupportedExprs)</pre>
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 <pre>public static&nbsp;<a href="../../../../../../org/apache/drill/exec/expr/FilterPredicate.html" title="interface in org.apache.drill.exec.expr">FilterPredicate</a>&lt;?&gt;&nbsp;getFilterPredicate(<a href="../../../../../../org/apache/drill/common/expression/LogicalExpression.html" title="interface in org.apache.drill.common.expression">LogicalExpression</a>&nbsp;filterExpr,
                                                     <a href="../../../../../../org/apache/drill/exec/ops/UdfUtilities.html" title="interface in org.apache.drill.exec.ops">UdfUtilities</a>&nbsp;udfUtilities,
                                                     <a href="../../../../../../org/apache/drill/exec/expr/fn/FunctionLookupContext.html" title="interface in org.apache.drill.exec.expr.fn">FunctionLookupContext</a>&nbsp;functionImplementationRegistry,
                                                     <a href="../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a>&nbsp;optionManager,
                                                     boolean&nbsp;omitUnsupportedExprs,
                                                     boolean&nbsp;supportsFileImplicitColumns,
                                                     <a href="../../../../../../org/apache/drill/exec/record/metadata/TupleMetadata.html" title="interface in org.apache.drill.exec.record.metadata">TupleMetadata</a>&nbsp;schema)</pre>
 <div class="block">Returns parquet filter predicate built from specified <code>filterExpr</code>.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>filterExpr</code> - filter expression to build</dd>
 <dd><code>udfUtilities</code> - udf utilities</dd>
 <dd><code>functionImplementationRegistry</code> - context to find drill function holder</dd>
 <dd><code>optionManager</code> - option manager</dd>
 <dd><code>omitUnsupportedExprs</code> - whether expressions which cannot be converted
                                        may be omitted from the resulting expression</dd>
 <dd><code>supportsFileImplicitColumns</code> - whether implicit columns are supported</dd>
 <dd><code>schema</code> - schema</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>parquet filter predicate</dd>
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 </li>
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 <h4>getSchema</h4>
 <pre>public&nbsp;<a href="../../../../../../org/apache/drill/exec/record/metadata/TupleMetadata.html" title="interface in org.apache.drill.exec.record.metadata">TupleMetadata</a>&nbsp;getSchema()</pre>
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 <h4>supportsLimitPushdown</h4>
 <pre>public&nbsp;boolean&nbsp;supportsLimitPushdown()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html#supportsLimitPushdown--">AbstractGroupScan</a></code></span></div>
 <div class="block">Default is not to support limit pushdown.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html#supportsLimitPushdown--">supportsLimitPushdown</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html" title="interface in org.apache.drill.exec.physical.base">GroupScan</a></code></dd>
 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
 <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html#supportsLimitPushdown--">supportsLimitPushdown</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html" title="class in org.apache.drill.exec.physical.base">AbstractGroupScan</a></code></dd>
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 <h4>applyLimit</h4>
 <pre>public&nbsp;<a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html" title="interface in org.apache.drill.exec.physical.base">GroupScan</a>&nbsp;applyLimit(int&nbsp;maxRecords)</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html#applyLimit-int-">AbstractGroupScan</a></code></span></div>
 <div class="block">By default, return null to indicate row count based prune is not supported.
  Each group scan subclass should override, if it supports row count based prune.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html#applyLimit-int-">applyLimit</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html" title="interface in org.apache.drill.exec.physical.base">GroupScan</a></code></dd>
 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
 <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html#applyLimit-int-">applyLimit</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html" title="class in org.apache.drill.exec.physical.base">AbstractGroupScan</a></code></dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>maxRecords</code> - : the number of rows requested from group scan.</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>a new instance of group scan if the prune is successful.
           null when either if row-based prune is not supported, or if prune is not successful.</dd>
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 <pre>protected static&nbsp;&lt;T extends <a href="../../../../../../org/apache/drill/metastore/metadata/BaseMetadata.html" title="class in org.apache.drill.metastore.metadata">BaseMetadata</a> &amp; <a href="../../../../../../org/apache/drill/metastore/metadata/LocationProvider.html" title="interface in org.apache.drill.metastore.metadata">LocationProvider</a>&gt;&nbsp;<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>&lt;org.apache.hadoop.fs.Path,T&gt;&nbsp;pruneForPartitions(<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>&lt;org.apache.hadoop.fs.Path,T&gt;&nbsp;metadataToPrune,
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 <div class="block">Removes metadata which does not belong to any of partitions in metadata list.</div>
 <dl>
 <dt><span class="paramLabel">Type Parameters:</span></dt>
 <dd><code>T</code> - type of metadata to filter</dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>metadataToPrune</code> - list of metadata which should be pruned</dd>
 <dd><code>filteredPartitionMetadata</code> - list of partition metadata which was pruned</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>list with metadata which belongs to pruned partitions</dd>
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                                                          int&nbsp;maxRecords)</pre>
 <div class="block">Prunes specified metadata list and leaves minimum metadata instances count with general rows number
  which is not less than specified <code>maxRecords</code>.</div>
 <dl>
 <dt><span class="paramLabel">Type Parameters:</span></dt>
 <dd><code>T</code> - type of metadata to prune</dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>metadataList</code> - list of metadata to prune</dd>
 <dd><code>maxRecords</code> - rows number to leave</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>pruned metadata list</dd>
 </dl>
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 <h4>getPartitionColumns</h4>
 <pre>public&nbsp;<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>&lt;<a href="../../../../../../org/apache/drill/common/expression/SchemaPath.html" title="class in org.apache.drill.common.expression">SchemaPath</a>&gt;&nbsp;getPartitionColumns()</pre>
 <div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html#getPartitionColumns--">GroupScan</a></code></span></div>
 <div class="block">Returns a list of columns that can be used for partition pruning</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html#getPartitionColumns--">getPartitionColumns</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html" title="interface in org.apache.drill.exec.physical.base">GroupScan</a></code></dd>
 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
 <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html#getPartitionColumns--">getPartitionColumns</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html" title="class in org.apache.drill.exec.physical.base">AbstractGroupScan</a></code></dd>
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 <h4>getPartitionValue</h4>
 <pre>public&nbsp;&lt;T&gt;&nbsp;T&nbsp;getPartitionValue(org.apache.hadoop.fs.Path&nbsp;path,
                                <a href="../../../../../../org/apache/drill/common/expression/SchemaPath.html" title="class in org.apache.drill.common.expression">SchemaPath</a>&nbsp;column,
                                <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a>&lt;T&gt;&nbsp;clazz)</pre>
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 <pre>public&nbsp;<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;org.apache.hadoop.fs.Path&gt;&nbsp;getFileSet()</pre>
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 <pre>public&nbsp;void&nbsp;modifyFileSelection(<a href="../../../../../../org/apache/drill/exec/store/dfs/FileSelection.html" title="class in org.apache.drill.exec.store.dfs">FileSelection</a>&nbsp;selection)</pre>
 <dl>
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 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
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 <pre>protected abstract&nbsp;<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>&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;&nbsp;getPartitionValues(<a href="../../../../../../org/apache/drill/metastore/metadata/LocationProvider.html" title="interface in org.apache.drill.metastore.metadata">LocationProvider</a>&nbsp;locationProvider)</pre>
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                                           <a href="../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a>&nbsp;optionManager)</pre>
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 <pre>public&nbsp;<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>&lt;org.apache.hadoop.fs.Path,<a href="../../../../../../org/apache/drill/metastore/metadata/FileMetadata.html" title="class in org.apache.drill.metastore.metadata">FileMetadata</a>&gt;&nbsp;getFilesMetadata()</pre>
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 <pre>public&nbsp;<a href="../../../../../../org/apache/drill/metastore/metadata/TableMetadata.html" title="interface in org.apache.drill.metastore.metadata">TableMetadata</a>&nbsp;getTableMetadata()</pre>
 <dl>
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 <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html#getTableMetadata--">getTableMetadata</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html" title="interface in org.apache.drill.exec.physical.base">GroupScan</a></code></dd>
 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
 <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html#getTableMetadata--">getTableMetadata</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractGroupScan.html" title="class in org.apache.drill.exec.physical.base">AbstractGroupScan</a></code></dd>
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 <a name="getPartitionsMetadata--">
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 <ul class="blockList">
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 <h4>getPartitionsMetadata</h4>
 <pre>public&nbsp;<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>&lt;<a href="../../../../../../org/apache/drill/metastore/metadata/PartitionMetadata.html" title="class in org.apache.drill.metastore.metadata">PartitionMetadata</a>&gt;&nbsp;getPartitionsMetadata()</pre>
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 <div class="block">Returns <code>true</code> if current group scan uses metadata obtained from the Metastore.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html#usedMetastore--">usedMetastore</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/drill/exec/physical/base/GroupScan.html" title="interface in org.apache.drill.exec.physical.base">GroupScan</a></code></dd>
 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
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 <dt><span class="returnLabel">Returns:</span></dt>
 <dd><code>true</code> if current group scan uses metadata obtained from the Metastore, <code>false</code> otherwise.</dd>
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 <pre>public&nbsp;<a href="../../../../../../org/apache/drill/metastore/metadata/NonInterestingColumnsMetadata.html" title="class in org.apache.drill.metastore.metadata">NonInterestingColumnsMetadata</a>&nbsp;getNonInterestingColumnsMetadata()</pre>
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 <h4>tableMetadataProviderBuilder</h4>
 <pre>protected abstract&nbsp;<a href="../../../../../../org/apache/drill/metastore/metadata/TableMetadataProviderBuilder.html" title="interface in org.apache.drill.metastore.metadata">TableMetadataProviderBuilder</a>&nbsp;tableMetadataProviderBuilder(<a href="../../../../../../org/apache/drill/exec/metastore/MetadataProviderManager.html" title="interface in org.apache.drill.exec.metastore">MetadataProviderManager</a>&nbsp;source)</pre>
 <div class="block">Returns <a href="../../../../../../org/apache/drill/metastore/metadata/TableMetadataProviderBuilder.html" title="interface in org.apache.drill.metastore.metadata"><code>TableMetadataProviderBuilder</code></a> instance based on specified
  <a href="../../../../../../org/apache/drill/exec/metastore/MetadataProviderManager.html" title="interface in org.apache.drill.exec.metastore"><code>MetadataProviderManager</code></a> source.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>source</code> - metadata provider manager</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd><a href="../../../../../../org/apache/drill/metastore/metadata/TableMetadataProviderBuilder.html" title="interface in org.apache.drill.metastore.metadata"><code>TableMetadataProviderBuilder</code></a> instance</dd>
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 <h4>defaultTableMetadataProviderBuilder</h4>
 <pre>protected abstract&nbsp;<a href="../../../../../../org/apache/drill/metastore/metadata/TableMetadataProviderBuilder.html" title="interface in org.apache.drill.metastore.metadata">TableMetadataProviderBuilder</a>&nbsp;defaultTableMetadataProviderBuilder(<a href="../../../../../../org/apache/drill/exec/metastore/MetadataProviderManager.html" title="interface in org.apache.drill.exec.metastore">MetadataProviderManager</a>&nbsp;source)</pre>
 <div class="block">Returns <a href="../../../../../../org/apache/drill/metastore/metadata/TableMetadataProviderBuilder.html" title="interface in org.apache.drill.metastore.metadata"><code>TableMetadataProviderBuilder</code></a> instance which may provide metadata
  without using Drill Metastore.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>source</code> - metadata provider manager</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd><a href="../../../../../../org/apache/drill/metastore/metadata/TableMetadataProviderBuilder.html" title="interface in org.apache.drill.metastore.metadata"><code>TableMetadataProviderBuilder</code></a> instance</dd>
 </dl>
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 <h4>checkMetadataConsistency</h4>
 <pre>protected&nbsp;void&nbsp;checkMetadataConsistency(<a href="../../../../../../org/apache/drill/exec/store/dfs/FileSelection.html" title="class in org.apache.drill.exec.store.dfs">FileSelection</a>&nbsp;selection,
                                         org.apache.hadoop.conf.Configuration&nbsp;fsConf)
                                  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">Compares the last modified time of files obtained from specified selection with
  the Metastore last modified time to determine whether Metastore metadata
  is up-to-date. If metadata is outdated, <a href="../../../../../../org/apache/drill/exec/exception/MetadataException.html" title="class in org.apache.drill.exec.exception"><code>MetadataException</code></a> will be thrown.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>selection</code> - the source of files to check</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="../../../../../../org/apache/drill/exec/exception/MetadataException.html" title="class in org.apache.drill.exec.exception">MetadataException</a></code> - if metadata is outdated</dd>
 <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>
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