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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.iceberg.spark.actions</a></div> |
| <h2 title="Class SparkSortStrategy" class="title">Class SparkSortStrategy</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../actions/BinPackStrategy.html" title="class in org.apache.iceberg.actions">org.apache.iceberg.actions.BinPackStrategy</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../actions/SortStrategy.html" title="class in org.apache.iceberg.actions">org.apache.iceberg.actions.SortStrategy</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.iceberg.spark.actions.SparkSortStrategy</li> |
| </ul> |
| </li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><code>java.io.Serializable</code>, <code><a href="../../actions/RewriteStrategy.html" title="interface in org.apache.iceberg.actions">RewriteStrategy</a></code></dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><code><a href="SparkZOrderStrategy.html" title="class in org.apache.iceberg.spark.actions">SparkZOrderStrategy</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public class <span class="typeNameLabel">SparkSortStrategy</span> |
| extends <a href="../../actions/SortStrategy.html" title="class in org.apache.iceberg.actions">SortStrategy</a></pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../serialized-form.html#org.apache.iceberg.spark.actions.SparkSortStrategy">Serialized Form</a></dd> |
| </dl> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <th class="colLast" scope="col">Description</th> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#COMPRESSION_FACTOR">COMPRESSION_FACTOR</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The number of shuffle partitions and consequently the number of output files created by the |
| Spark Sort is based on the size of the input data files used in this rewrite operation.</div> |
| </td> |
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| <h3>Fields inherited from class org.apache.iceberg.actions.<a href="../../actions/BinPackStrategy.html" title="class in org.apache.iceberg.actions">BinPackStrategy</a></h3> |
| <code><a href="../../actions/BinPackStrategy.html#DELETE_FILE_THRESHOLD">DELETE_FILE_THRESHOLD</a>, <a href="../../actions/BinPackStrategy.html#DELETE_FILE_THRESHOLD_DEFAULT">DELETE_FILE_THRESHOLD_DEFAULT</a>, <a href="../../actions/BinPackStrategy.html#MAX_FILE_SIZE_BYTES">MAX_FILE_SIZE_BYTES</a>, <a href="../../actions/BinPackStrategy.html#MAX_FILE_SIZE_DEFAULT_RATIO">MAX_FILE_SIZE_DEFAULT_RATIO</a>, <a href="../../actions/BinPackStrategy.html#MIN_FILE_SIZE_BYTES">MIN_FILE_SIZE_BYTES</a>, <a href="../../actions/BinPackStrategy.html#MIN_FILE_SIZE_DEFAULT_RATIO">MIN_FILE_SIZE_DEFAULT_RATIO</a>, <a href="../../actions/BinPackStrategy.html#MIN_INPUT_FILES">MIN_INPUT_FILES</a>, <a href="../../actions/BinPackStrategy.html#MIN_INPUT_FILES_DEFAULT">MIN_INPUT_FILES_DEFAULT</a>, <a href="../../actions/BinPackStrategy.html#REWRITE_ALL">REWRITE_ALL</a>, <a href="../../actions/BinPackStrategy.html#REWRITE_ALL_DEFAULT">REWRITE_ALL_DEFAULT</a></code></li> |
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| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.iceberg.Table,org.apache.spark.sql.SparkSession)">SparkSortStrategy</a></span>​(<a href="../../Table.html" title="interface in org.apache.iceberg">Table</a> table, |
| org.apache.spark.sql.SparkSession spark)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>protected <a href="../FileScanTaskSetManager.html" title="class in org.apache.iceberg.spark">FileScanTaskSetManager</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#manager()">manager</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../actions/RewriteStrategy.html" title="interface in org.apache.iceberg.actions">RewriteStrategy</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#options(java.util.Map)">options</a></span>​(java.util.Map<java.lang.String,​java.lang.String> options)</code></th> |
| <td class="colLast"> |
| <div class="block">Sets options to be used with this strategy</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>protected <a href="../FileRewriteCoordinator.html" title="class in org.apache.iceberg.spark">FileRewriteCoordinator</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteCoordinator()">rewriteCoordinator</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>java.util.Set<<a href="../../DataFile.html" title="interface in org.apache.iceberg">DataFile</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rewriteFiles(java.util.List)">rewriteFiles</a></span>​(java.util.List<<a href="../../FileScanTask.html" title="interface in org.apache.iceberg">FileScanTask</a>> filesToRewrite)</code></th> |
| <td class="colLast"> |
| <div class="block">Method which will rewrite files based on this particular RewriteStrategy's algorithm.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>protected double</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#sizeEstimateMultiple()">sizeEstimateMultiple</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>protected org.apache.spark.sql.catalyst.plans.logical.LogicalPlan</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#sortPlan(org.apache.spark.sql.connector.distributions.Distribution,org.apache.spark.sql.connector.expressions.SortOrder%5B%5D,org.apache.spark.sql.catalyst.plans.logical.LogicalPlan,org.apache.spark.sql.internal.SQLConf)">sortPlan</a></span>​(org.apache.spark.sql.connector.distributions.Distribution distribution, |
| org.apache.spark.sql.connector.expressions.SortOrder[] ordering, |
| org.apache.spark.sql.catalyst.plans.logical.LogicalPlan plan, |
| org.apache.spark.sql.internal.SQLConf conf)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>protected org.apache.spark.sql.SparkSession</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#spark()">spark</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="../../Table.html" title="interface in org.apache.iceberg">Table</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#table()">table</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the table being modified by this rewrite strategy</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>protected <a href="../SparkTableCache.html" title="class in org.apache.iceberg.spark">SparkTableCache</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#tableCache()">tableCache</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>java.util.Set<java.lang.String></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validOptions()">validOptions</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns a set of options which this rewrite strategy can use.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.org.apache.iceberg.actions.SortStrategy"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class org.apache.iceberg.actions.<a href="../../actions/SortStrategy.html" title="class in org.apache.iceberg.actions">SortStrategy</a></h3> |
| <code><a href="../../actions/SortStrategy.html#name()">name</a>, <a href="../../actions/SortStrategy.html#sortOrder()">sortOrder</a>, <a href="../../actions/SortStrategy.html#sortOrder(org.apache.iceberg.SortOrder)">sortOrder</a>, <a href="../../actions/SortStrategy.html#validateOptions()">validateOptions</a></code></li> |
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| </a> |
| <h3>Methods inherited from class org.apache.iceberg.actions.<a href="../../actions/BinPackStrategy.html" title="class in org.apache.iceberg.actions">BinPackStrategy</a></h3> |
| <code><a href="../../actions/BinPackStrategy.html#inputFileSize(java.util.List)">inputFileSize</a>, <a href="../../actions/BinPackStrategy.html#numOutputFiles(long)">numOutputFiles</a>, <a href="../../actions/BinPackStrategy.html#planFileGroups(java.lang.Iterable)">planFileGroups</a>, <a href="../../actions/BinPackStrategy.html#selectFilesToRewrite(java.lang.Iterable)">selectFilesToRewrite</a>, <a href="../../actions/BinPackStrategy.html#splitSize(long)">splitSize</a>, <a href="../../actions/BinPackStrategy.html#targetFileSize()">targetFileSize</a>, <a href="../../actions/BinPackStrategy.html#writeMaxFileSize()">writeMaxFileSize</a></code></li> |
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| <h3>Methods inherited from class java.lang.Object</h3> |
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| <a id="COMPRESSION_FACTOR"> |
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| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>COMPRESSION_FACTOR</h4> |
| <pre>public static final java.lang.String COMPRESSION_FACTOR</pre> |
| <div class="block">The number of shuffle partitions and consequently the number of output files created by the |
| Spark Sort is based on the size of the input data files used in this rewrite operation. Due to |
| compression, the disk file sizes may not accurately represent the size of files in the output. |
| This parameter lets the user adjust the file size used for estimating actual output data size. |
| A factor greater than 1.0 would generate more files than we would expect based on the on-disk |
| file size. A value less than 1.0 would create fewer files than we would expect due to the |
| on-disk size.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.iceberg.spark.actions.SparkSortStrategy.COMPRESSION_FACTOR">Constant Field Values</a></dd> |
| </dl> |
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| </a> |
| <h3>Constructor Detail</h3> |
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| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>SparkSortStrategy</h4> |
| <pre>public SparkSortStrategy​(<a href="../../Table.html" title="interface in org.apache.iceberg">Table</a> table, |
| org.apache.spark.sql.SparkSession spark)</pre> |
| </li> |
| </ul> |
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| <h4>table</h4> |
| <pre class="methodSignature">public <a href="../../Table.html" title="interface in org.apache.iceberg">Table</a> table()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../actions/RewriteStrategy.html#table()">RewriteStrategy</a></code></span></div> |
| <div class="block">Returns the table being modified by this rewrite strategy</div> |
| </li> |
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| <a id="validOptions()"> |
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| <h4>validOptions</h4> |
| <pre class="methodSignature">public java.util.Set<java.lang.String> validOptions()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../actions/RewriteStrategy.html#validOptions()">RewriteStrategy</a></code></span></div> |
| <div class="block">Returns a set of options which this rewrite strategy can use. This is an allowed-list and any |
| options not specified here will be rejected at runtime.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../actions/RewriteStrategy.html#validOptions()">validOptions</a></code> in interface <code><a href="../../actions/RewriteStrategy.html" title="interface in org.apache.iceberg.actions">RewriteStrategy</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../actions/SortStrategy.html#validOptions()">validOptions</a></code> in class <code><a href="../../actions/SortStrategy.html" title="class in org.apache.iceberg.actions">SortStrategy</a></code></dd> |
| </dl> |
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| <a id="options(java.util.Map)"> |
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| </a> |
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| <h4>options</h4> |
| <pre class="methodSignature">public <a href="../../actions/RewriteStrategy.html" title="interface in org.apache.iceberg.actions">RewriteStrategy</a> options​(java.util.Map<java.lang.String,​java.lang.String> options)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../actions/RewriteStrategy.html#options(java.util.Map)">RewriteStrategy</a></code></span></div> |
| <div class="block">Sets options to be used with this strategy</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../actions/RewriteStrategy.html#options(java.util.Map)">options</a></code> in interface <code><a href="../../actions/RewriteStrategy.html" title="interface in org.apache.iceberg.actions">RewriteStrategy</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../actions/SortStrategy.html#options(java.util.Map)">options</a></code> in class <code><a href="../../actions/SortStrategy.html" title="class in org.apache.iceberg.actions">SortStrategy</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
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| </a> |
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| <h4>rewriteFiles</h4> |
| <pre class="methodSignature">public java.util.Set<<a href="../../DataFile.html" title="interface in org.apache.iceberg">DataFile</a>> rewriteFiles​(java.util.List<<a href="../../FileScanTask.html" title="interface in org.apache.iceberg">FileScanTask</a>> filesToRewrite)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../actions/RewriteStrategy.html#rewriteFiles(java.util.List)">RewriteStrategy</a></code></span></div> |
| <div class="block">Method which will rewrite files based on this particular RewriteStrategy's algorithm. This will |
| most likely be Action framework specific (Spark/Presto/Flink ....).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>filesToRewrite</code> - a group of files to be rewritten together</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a set of newly written files</dd> |
| </dl> |
| </li> |
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| org.apache.spark.sql.connector.expressions.SortOrder[] ordering, |
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