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| <h2 title="Interface ContentFile" class="title">Interface ContentFile<F></h2> |
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| <dt><span class="paramLabel">Type Parameters:</span></dt> |
| <dd><code>F</code> - the concrete Java class of a ContentFile instance.</dd> |
| </dl> |
| <dl> |
| <dt>All Known Subinterfaces:</dt> |
| <dd><a href="../../../org/apache/iceberg/DataFile.html" title="interface in org.apache.iceberg">DataFile</a>, <a href="../../../org/apache/iceberg/DeleteFile.html" title="interface in org.apache.iceberg">DeleteFile</a></dd> |
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| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../org/apache/iceberg/spark/SparkDataFile.html" title="class in org.apache.iceberg.spark">SparkDataFile</a></dd> |
| </dl> |
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| <br> |
| <pre>public interface <span class="typeNameLabel">ContentFile<F></span></pre> |
| <div class="block">Superinterface of <a href="../../../org/apache/iceberg/DataFile.html" title="interface in org.apache.iceberg"><code>DataFile</code></a> and <a href="../../../org/apache/iceberg/DeleteFile.html" title="interface in org.apache.iceberg"><code>DeleteFile</code></a> that exposes common methods.</div> |
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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"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span><span id="t5" class="tableTab"><span><a href="javascript:show(16);">Default Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>java.util.Map<java.lang.Integer,java.lang.Long></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#columnSizes--">columnSizes</a></span>()</code> |
| <div class="block">Returns if collected, map from column ID to the size of the column in bytes, null otherwise.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../org/apache/iceberg/FileContent.html" title="enum in org.apache.iceberg">FileContent</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#content--">content</a></span>()</code> |
| <div class="block">Returns type of content stored in the file; one of DATA, POSITION_DELETES, or EQUALITY_DELETES.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../org/apache/iceberg/ContentFile.html" title="type parameter in ContentFile">F</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#copy--">copy</a></span>()</code> |
| <div class="block">Copies this file.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>default <a href="../../../org/apache/iceberg/ContentFile.html" title="type parameter in ContentFile">F</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#copy-boolean-">copy</a></span>(boolean withStats)</code> |
| <div class="block">Copies this file (potentially without file stats).</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../org/apache/iceberg/ContentFile.html" title="type parameter in ContentFile">F</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#copyWithoutStats--">copyWithoutStats</a></span>()</code> |
| <div class="block">Copies this file without file stats.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>default java.lang.Long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#dataSequenceNumber--">dataSequenceNumber</a></span>()</code> |
| <div class="block">Returns the data sequence number of the file.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>java.util.List<java.lang.Integer></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#equalityFieldIds--">equalityFieldIds</a></span>()</code> |
| <div class="block">Returns the set of field IDs used for equality comparison, in equality delete files.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>default java.lang.Long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#fileSequenceNumber--">fileSequenceNumber</a></span>()</code> |
| <div class="block">Returns the file sequence number.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#fileSizeInBytes--">fileSizeInBytes</a></span>()</code> |
| <div class="block">Returns the file size in bytes.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../org/apache/iceberg/FileFormat.html" title="enum in org.apache.iceberg">FileFormat</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#format--">format</a></span>()</code> |
| <div class="block">Returns format of the file.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>java.nio.ByteBuffer</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#keyMetadata--">keyMetadata</a></span>()</code> |
| <div class="block">Returns metadata about how this file is encrypted, or null if the file is stored in plain text.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>java.util.Map<java.lang.Integer,java.nio.ByteBuffer></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#lowerBounds--">lowerBounds</a></span>()</code> |
| <div class="block">Returns if collected, map from column ID to value lower bounds, null otherwise.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>java.util.Map<java.lang.Integer,java.lang.Long></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#nanValueCounts--">nanValueCounts</a></span>()</code> |
| <div class="block">Returns if collected, map from column ID to its NaN value count, null otherwise.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>java.util.Map<java.lang.Integer,java.lang.Long></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#nullValueCounts--">nullValueCounts</a></span>()</code> |
| <div class="block">Returns if collected, map from column ID to its null value count, null otherwise.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code><a href="../../../org/apache/iceberg/StructLike.html" title="interface in org.apache.iceberg">StructLike</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#partition--">partition</a></span>()</code> |
| <div class="block">Returns partition for this file as a <a href="../../../org/apache/iceberg/StructLike.html" title="interface in org.apache.iceberg"><code>StructLike</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>java.lang.CharSequence</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#path--">path</a></span>()</code> |
| <div class="block">Returns fully qualified path to the file, suitable for constructing a Hadoop Path.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>java.lang.Long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#pos--">pos</a></span>()</code> |
| <div class="block">Returns the ordinal position of the file in a manifest, or null if it was not read from a |
| manifest.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#recordCount--">recordCount</a></span>()</code> |
| <div class="block">Returns the number of top-level records in the file.</div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>default java.lang.Integer</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#sortOrderId--">sortOrderId</a></span>()</code> |
| <div class="block">Returns the sort order id of this file, which describes how the file is ordered.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#specId--">specId</a></span>()</code> |
| <div class="block">Returns id of the partition spec used for partition metadata.</div> |
| </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>java.util.List<java.lang.Long></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#splitOffsets--">splitOffsets</a></span>()</code> |
| <div class="block">Returns list of recommended split locations, if applicable, null otherwise.</div> |
| </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>java.util.Map<java.lang.Integer,java.nio.ByteBuffer></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#upperBounds--">upperBounds</a></span>()</code> |
| <div class="block">Returns if collected, map from column ID to value upper bounds, null otherwise.</div> |
| </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>java.util.Map<java.lang.Integer,java.lang.Long></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/ContentFile.html#valueCounts--">valueCounts</a></span>()</code> |
| <div class="block">Returns if collected, map from column ID to the count of its non-null values, null otherwise.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <h3>Method Detail</h3> |
| <a name="pos--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>pos</h4> |
| <pre>java.lang.Long pos()</pre> |
| <div class="block">Returns the ordinal position of the file in a manifest, or null if it was not read from a |
| manifest.</div> |
| </li> |
| </ul> |
| <a name="specId--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>specId</h4> |
| <pre>int specId()</pre> |
| <div class="block">Returns id of the partition spec used for partition metadata.</div> |
| </li> |
| </ul> |
| <a name="content--"> |
| <!-- --> |
| </a> |
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| <li class="blockList"> |
| <h4>content</h4> |
| <pre><a href="../../../org/apache/iceberg/FileContent.html" title="enum in org.apache.iceberg">FileContent</a> content()</pre> |
| <div class="block">Returns type of content stored in the file; one of DATA, POSITION_DELETES, or EQUALITY_DELETES.</div> |
| </li> |
| </ul> |
| <a name="path--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>path</h4> |
| <pre>java.lang.CharSequence path()</pre> |
| <div class="block">Returns fully qualified path to the file, suitable for constructing a Hadoop Path.</div> |
| </li> |
| </ul> |
| <a name="format--"> |
| <!-- --> |
| </a> |
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| <li class="blockList"> |
| <h4>format</h4> |
| <pre><a href="../../../org/apache/iceberg/FileFormat.html" title="enum in org.apache.iceberg">FileFormat</a> format()</pre> |
| <div class="block">Returns format of the file.</div> |
| </li> |
| </ul> |
| <a name="partition--"> |
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| </a> |
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| <h4>partition</h4> |
| <pre><a href="../../../org/apache/iceberg/StructLike.html" title="interface in org.apache.iceberg">StructLike</a> partition()</pre> |
| <div class="block">Returns partition for this file as a <a href="../../../org/apache/iceberg/StructLike.html" title="interface in org.apache.iceberg"><code>StructLike</code></a>.</div> |
| </li> |
| </ul> |
| <a name="recordCount--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>recordCount</h4> |
| <pre>long recordCount()</pre> |
| <div class="block">Returns the number of top-level records in the file.</div> |
| </li> |
| </ul> |
| <a name="fileSizeInBytes--"> |
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| </a> |
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| <h4>fileSizeInBytes</h4> |
| <pre>long fileSizeInBytes()</pre> |
| <div class="block">Returns the file size in bytes.</div> |
| </li> |
| </ul> |
| <a name="columnSizes--"> |
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| </a> |
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| <li class="blockList"> |
| <h4>columnSizes</h4> |
| <pre>java.util.Map<java.lang.Integer,java.lang.Long> columnSizes()</pre> |
| <div class="block">Returns if collected, map from column ID to the size of the column in bytes, null otherwise.</div> |
| </li> |
| </ul> |
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| </a> |
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| <h4>valueCounts</h4> |
| <pre>java.util.Map<java.lang.Integer,java.lang.Long> valueCounts()</pre> |
| <div class="block">Returns if collected, map from column ID to the count of its non-null values, null otherwise.</div> |
| </li> |
| </ul> |
| <a name="nullValueCounts--"> |
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| </a> |
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| <h4>nullValueCounts</h4> |
| <pre>java.util.Map<java.lang.Integer,java.lang.Long> nullValueCounts()</pre> |
| <div class="block">Returns if collected, map from column ID to its null value count, null otherwise.</div> |
| </li> |
| </ul> |
| <a name="nanValueCounts--"> |
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| </a> |
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| <h4>nanValueCounts</h4> |
| <pre>java.util.Map<java.lang.Integer,java.lang.Long> nanValueCounts()</pre> |
| <div class="block">Returns if collected, map from column ID to its NaN value count, null otherwise.</div> |
| </li> |
| </ul> |
| <a name="lowerBounds--"> |
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| </a> |
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| <h4>lowerBounds</h4> |
| <pre>java.util.Map<java.lang.Integer,java.nio.ByteBuffer> lowerBounds()</pre> |
| <div class="block">Returns if collected, map from column ID to value lower bounds, null otherwise.</div> |
| </li> |
| </ul> |
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| <h4>upperBounds</h4> |
| <pre>java.util.Map<java.lang.Integer,java.nio.ByteBuffer> upperBounds()</pre> |
| <div class="block">Returns if collected, map from column ID to value upper bounds, null otherwise.</div> |
| </li> |
| </ul> |
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| <h4>keyMetadata</h4> |
| <pre>java.nio.ByteBuffer keyMetadata()</pre> |
| <div class="block">Returns metadata about how this file is encrypted, or null if the file is stored in plain text.</div> |
| </li> |
| </ul> |
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| <h4>splitOffsets</h4> |
| <pre>java.util.List<java.lang.Long> splitOffsets()</pre> |
| <div class="block">Returns list of recommended split locations, if applicable, null otherwise. |
| |
| <p>When available, this information is used for planning scan tasks whose boundaries are |
| determined by these offsets. The returned list must be sorted in ascending order.</div> |
| </li> |
| </ul> |
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| </a> |
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| <h4>equalityFieldIds</h4> |
| <pre>java.util.List<java.lang.Integer> equalityFieldIds()</pre> |
| <div class="block">Returns the set of field IDs used for equality comparison, in equality delete files. |
| |
| <p>An equality delete file may contain additional data fields that are not used by equality |
| comparison. The subset of columns in a delete file to be used in equality comparison are |
| tracked by ID. Extra columns can be used to reconstruct changes and metrics from extra columns |
| are used during job planning.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>IDs of the fields used in equality comparison with the records in this delete file</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="sortOrderId--"> |
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| </a> |
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| <h4>sortOrderId</h4> |
| <pre>default java.lang.Integer sortOrderId()</pre> |
| <div class="block">Returns the sort order id of this file, which describes how the file is ordered. This |
| information will be useful for merging data and equality delete files more efficiently when |
| they share the same sort order id.</div> |
| </li> |
| </ul> |
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| <pre>default java.lang.Long dataSequenceNumber()</pre> |
| <div class="block">Returns the data sequence number of the file. |
| |
| <p>This method represents the sequence number to which the file should apply. Note the data |
| sequence number may differ from the sequence number of the snapshot in which the underlying |
| file was added (a.k.a the file sequence number). New snapshots can add files that belong to |
| older sequence numbers (e.g. compaction). The data sequence number also does not change when |
| the file is marked as deleted. |
| |
| <p>This method can return null if the data sequence number is unknown. This may happen while |
| reading a v2 manifest that did not persist the data sequence number for manifest entries with |
| status DELETED (older Iceberg versions).</div> |
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| <pre>default java.lang.Long fileSequenceNumber()</pre> |
| <div class="block">Returns the file sequence number. |
| |
| <p>The file sequence number represents the sequence number of the snapshot in which the |
| underlying file was added. The file sequence number is always assigned at commit and cannot be |
| provided explicitly, unlike the data sequence number. The file sequence number does not change |
| upon assigning. In case of rewrite (like compaction), file sequence number can be higher than |
| the data sequence number. |
| |
| <p>This method can return null if the file sequence number is unknown. This may happen while |
| reading a v2 manifest that did not persist the file sequence number for manifest entries with |
| status EXISTING or DELETED (older Iceberg versions).</div> |
| </li> |
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| <h4>copy</h4> |
| <pre><a href="../../../org/apache/iceberg/ContentFile.html" title="type parameter in ContentFile">F</a> copy()</pre> |
| <div class="block">Copies this file. Manifest readers can reuse file instances; use this method to copy data when |
| collecting files from tasks.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a copy of this data file</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>copyWithoutStats</h4> |
| <pre><a href="../../../org/apache/iceberg/ContentFile.html" title="type parameter in ContentFile">F</a> copyWithoutStats()</pre> |
| <div class="block">Copies this file without file stats. Manifest readers can reuse file instances; use this method |
| to copy data without stats when collecting files.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a copy of this data file, without lower bounds, upper bounds, value counts, null value |
| counts, or nan value counts</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>copy</h4> |
| <pre>default <a href="../../../org/apache/iceberg/ContentFile.html" title="type parameter in ContentFile">F</a> copy(boolean withStats)</pre> |
| <div class="block">Copies this file (potentially without file stats). Manifest readers can reuse file instances; |
| use this method to copy data when collecting files from tasks.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>withStats</code> - Will copy this file without file stats if set to <code>false</code>.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a copy of this data file. If <code>withStats</code> is set to <code>false</code> the |
| file will not contain lower bounds, upper bounds, value counts, null value counts, or nan |
| value counts</dd> |
| </dl> |
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