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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.iceberg</a></div> |
| <h2 title="Interface TableScan" class="title">Interface TableScan</h2> |
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| <dt>All Known Implementing Classes:</dt> |
| <dd><code><a href="AllDataFilesTable.AllDataFilesTableScan.html" title="class in org.apache.iceberg">AllDataFilesTable.AllDataFilesTableScan</a></code>, <code><a href="AllManifestsTable.AllManifestsTableScan.html" title="class in org.apache.iceberg">AllManifestsTable.AllManifestsTableScan</a></code>, <code><a href="DataFilesTable.FilesTableScan.html" title="class in org.apache.iceberg">DataFilesTable.FilesTableScan</a></code>, <code><a href="DataTableScan.html" title="class in org.apache.iceberg">DataTableScan</a></code></dd> |
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| <pre>public interface <span class="typeNameLabel">TableScan</span></pre> |
| <div class="block">API for configuring a table scan. |
| <p> |
| TableScan objects are immutable and can be shared between threads. Refinement methods, like |
| <a href="#select(java.util.Collection)"><code>select(Collection)</code></a> and <a href="#filter(org.apache.iceberg.expressions.Expression)"><code>filter(Expression)</code></a>, create new TableScan instances.</div> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <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="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#appendsAfter(long)">appendsAfter</a></span>​(long fromSnapshotId)</code></th> |
| <td class="colLast"> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> to read appended data from <code>fromSnapshotId</code> exclusive to the current snapshot |
| inclusive.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#appendsBetween(long,long)">appendsBetween</a></span>​(long fromSnapshotId, |
| long toSnapshotId)</code></th> |
| <td class="colLast"> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> to read appended data from <code>fromSnapshotId</code> exclusive to <code>toSnapshotId</code> |
| inclusive.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#asOfTime(long)">asOfTime</a></span>​(long timestampMillis)</code></th> |
| <td class="colLast"> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from this scan's configuration that will use the most recent |
| snapshot as of the given time in milliseconds.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#caseSensitive(boolean)">caseSensitive</a></span>​(boolean caseSensitive)</code></th> |
| <td class="colLast"> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from this that, if data columns where selected |
| via <a href="#select(java.util.Collection)"><code>select(java.util.Collection)</code></a>, controls whether the match to the schema will be done |
| with case sensitivity.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="expressions/Expression.html" title="interface in org.apache.iceberg.expressions">Expression</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#filter()">filter</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns this scan's filter <a href="expressions/Expression.html" title="interface in org.apache.iceberg.expressions"><code>Expression</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#filter(org.apache.iceberg.expressions.Expression)">filter</a></span>​(<a href="expressions/Expression.html" title="interface in org.apache.iceberg.expressions">Expression</a> expr)</code></th> |
| <td class="colLast"> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from the results of this filtered by the <a href="expressions/Expression.html" title="interface in org.apache.iceberg.expressions"><code>Expression</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ignoreResiduals()">ignoreResiduals</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from this that applies data filtering to files but not to rows in those files.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#includeColumnStats()">includeColumnStats</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from this that loads the column stats with each data file.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isCaseSensitive()">isCaseSensitive</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether this scan should apply column name case sensitiveness as per <a href="#caseSensitive(boolean)"><code>caseSensitive(boolean)</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#option(java.lang.String,java.lang.String)">option</a></span>​(java.lang.String property, |
| java.lang.String value)</code></th> |
| <td class="colLast"> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from this scan's configuration that will override the <a href="Table.html" title="interface in org.apache.iceberg"><code>Table</code></a>'s behavior based |
| on the incoming pair.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><a href="io/CloseableIterable.html" title="interface in org.apache.iceberg.io">CloseableIterable</a><<a href="FileScanTask.html" title="interface in org.apache.iceberg">FileScanTask</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#planFiles()">planFiles</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Plan the <a href="FileScanTask.html" title="interface in org.apache.iceberg"><code>files</code></a> that will be read by this scan.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><a href="io/CloseableIterable.html" title="interface in org.apache.iceberg.io">CloseableIterable</a><<a href="CombinedScanTask.html" title="interface in org.apache.iceberg">CombinedScanTask</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#planTasks()">planTasks</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Plan the <a href="CombinedScanTask.html" title="interface in org.apache.iceberg"><code>tasks</code></a> for this scan.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#project(org.apache.iceberg.Schema)">project</a></span>​(<a href="Schema.html" title="class in org.apache.iceberg">Schema</a> schema)</code></th> |
| <td class="colLast"> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from this with the schema as its projection.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code><a href="Schema.html" title="class in org.apache.iceberg">Schema</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#schema()">schema</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns this scan's projection <a href="Schema.html" title="class in org.apache.iceberg"><code>Schema</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>default <a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#select(java.lang.String...)">select</a></span>​(java.lang.String... columns)</code></th> |
| <td class="colLast"> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from this that will read the given data columns.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#select(java.util.Collection)">select</a></span>​(java.util.Collection<java.lang.String> columns)</code></th> |
| <td class="colLast"> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from this that will read the given data columns.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code><a href="Snapshot.html" title="interface in org.apache.iceberg">Snapshot</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#snapshot()">snapshot</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the <a href="Snapshot.html" title="interface in org.apache.iceberg"><code>Snapshot</code></a> that will be used by this scan.</div> |
| </td> |
| </tr> |
| <tr id="i17" 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 <a href="Table.html" title="interface in org.apache.iceberg"><code>Table</code></a> from which this scan loads data.</div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#targetSplitSize()">targetSplitSize</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the target split size for this scan.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#useSnapshot(long)">useSnapshot</a></span>​(long snapshotId)</code></th> |
| <td class="colLast"> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from this scan's configuration that will use the given snapshot |
| by ID.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <section role="region"> |
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| <li class="blockList"><a id="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a id="table()"> |
| <!-- --> |
| </a> |
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| <h4>table</h4> |
| <pre class="methodSignature"><a href="Table.html" title="interface in org.apache.iceberg">Table</a> table()</pre> |
| <div class="block">Returns the <a href="Table.html" title="interface in org.apache.iceberg"><code>Table</code></a> from which this scan loads data.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this scan's table</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="useSnapshot(long)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>useSnapshot</h4> |
| <pre class="methodSignature"><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a> useSnapshot​(long snapshotId)</pre> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from this scan's configuration that will use the given snapshot |
| by ID.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>snapshotId</code> - a snapshot ID</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new scan based on this with the given snapshot ID</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.IllegalArgumentException</code> - if the snapshot cannot be found</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="asOfTime(long)"> |
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| </a> |
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| <li class="blockList"> |
| <h4>asOfTime</h4> |
| <pre class="methodSignature"><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a> asOfTime​(long timestampMillis)</pre> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from this scan's configuration that will use the most recent |
| snapshot as of the given time in milliseconds.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>timestampMillis</code> - a timestamp in milliseconds.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new scan based on this with the current snapshot at the given time</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.IllegalArgumentException</code> - if the snapshot cannot be found</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="option(java.lang.String,java.lang.String)"> |
| <!-- --> |
| </a> |
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| <h4>option</h4> |
| <pre class="methodSignature"><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a> option​(java.lang.String property, |
| java.lang.String value)</pre> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from this scan's configuration that will override the <a href="Table.html" title="interface in org.apache.iceberg"><code>Table</code></a>'s behavior based |
| on the incoming pair. Unknown properties will be ignored.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>property</code> - name of the table property to be overridden</dd> |
| <dd><code>value</code> - value to override with</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new scan based on this with overridden behavior</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="project(org.apache.iceberg.Schema)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>project</h4> |
| <pre class="methodSignature"><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a> project​(<a href="Schema.html" title="class in org.apache.iceberg">Schema</a> schema)</pre> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from this with the schema as its projection.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>schema</code> - a projection schema</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new scan based on this with the given projection</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="caseSensitive(boolean)"> |
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| <h4>caseSensitive</h4> |
| <pre class="methodSignature"><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a> caseSensitive​(boolean caseSensitive)</pre> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from this that, if data columns where selected |
| via <a href="#select(java.util.Collection)"><code>select(java.util.Collection)</code></a>, controls whether the match to the schema will be done |
| with case sensitivity.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new scan based on this with case sensitivity as stated</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="includeColumnStats()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>includeColumnStats</h4> |
| <pre class="methodSignature"><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a> includeColumnStats()</pre> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from this that loads the column stats with each data file. |
| <p> |
| Column stats include: value count, null value count, lower bounds, and upper bounds.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new scan based on this that loads column stats.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="select(java.lang.String...)"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>select</h4> |
| <pre class="methodSignature">default <a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a> select​(java.lang.String... columns)</pre> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from this that will read the given data columns. This produces |
| an expected schema that includes all fields that are either selected or used by this scan's |
| filter expression.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>columns</code> - column names from the table's schema</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new scan based on this with the given projection columns</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="select(java.util.Collection)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>select</h4> |
| <pre class="methodSignature"><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a> select​(java.util.Collection<java.lang.String> columns)</pre> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from this that will read the given data columns. This produces |
| an expected schema that includes all fields that are either selected or used by this scan's |
| filter expression.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>columns</code> - column names from the table's schema</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new scan based on this with the given projection columns</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="filter(org.apache.iceberg.expressions.Expression)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>filter</h4> |
| <pre class="methodSignature"><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a> filter​(<a href="expressions/Expression.html" title="interface in org.apache.iceberg.expressions">Expression</a> expr)</pre> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from the results of this filtered by the <a href="expressions/Expression.html" title="interface in org.apache.iceberg.expressions"><code>Expression</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>expr</code> - a filter expression</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new scan based on this with results filtered by the expression</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="filter()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>filter</h4> |
| <pre class="methodSignature"><a href="expressions/Expression.html" title="interface in org.apache.iceberg.expressions">Expression</a> filter()</pre> |
| <div class="block">Returns this scan's filter <a href="expressions/Expression.html" title="interface in org.apache.iceberg.expressions"><code>Expression</code></a>.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this scan's filter expression</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="ignoreResiduals()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>ignoreResiduals</h4> |
| <pre class="methodSignature"><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a> ignoreResiduals()</pre> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> from this that applies data filtering to files but not to rows in those files.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new scan based on this that does not filter rows in files.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="appendsBetween(long,long)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>appendsBetween</h4> |
| <pre class="methodSignature"><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a> appendsBetween​(long fromSnapshotId, |
| long toSnapshotId)</pre> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> to read appended data from <code>fromSnapshotId</code> exclusive to <code>toSnapshotId</code> |
| inclusive.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fromSnapshotId</code> - the last snapshot id read by the user, exclusive</dd> |
| <dd><code>toSnapshotId</code> - read append data up to this snapshot id</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a table scan which can read append data from <code>fromSnapshotId</code> |
| exclusive and up to <code>toSnapshotId</code> inclusive</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="appendsAfter(long)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>appendsAfter</h4> |
| <pre class="methodSignature"><a href="TableScan.html" title="interface in org.apache.iceberg">TableScan</a> appendsAfter​(long fromSnapshotId)</pre> |
| <div class="block">Create a new <a href="TableScan.html" title="interface in org.apache.iceberg"><code>TableScan</code></a> to read appended data from <code>fromSnapshotId</code> exclusive to the current snapshot |
| inclusive.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fromSnapshotId</code> - - the last snapshot id read by the user, exclusive</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a table scan which can read append data from <code>fromSnapshotId</code> |
| exclusive and up to current snapshot inclusive</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="planFiles()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>planFiles</h4> |
| <pre class="methodSignature"><a href="io/CloseableIterable.html" title="interface in org.apache.iceberg.io">CloseableIterable</a><<a href="FileScanTask.html" title="interface in org.apache.iceberg">FileScanTask</a>> planFiles()</pre> |
| <div class="block">Plan the <a href="FileScanTask.html" title="interface in org.apache.iceberg"><code>files</code></a> that will be read by this scan. |
| <p> |
| Each file has a residual expression that should be applied to filter the file's rows. |
| <p> |
| This simple plan returns file scans for each file from position 0 to the file's length. For |
| planning that will combine small files, split large files, and attempt to balance work, use |
| <a href="#planTasks()"><code>planTasks()</code></a> instead.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an Iterable of file tasks that are required by this scan</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="planTasks()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>planTasks</h4> |
| <pre class="methodSignature"><a href="io/CloseableIterable.html" title="interface in org.apache.iceberg.io">CloseableIterable</a><<a href="CombinedScanTask.html" title="interface in org.apache.iceberg">CombinedScanTask</a>> planTasks()</pre> |
| <div class="block">Plan the <a href="CombinedScanTask.html" title="interface in org.apache.iceberg"><code>tasks</code></a> for this scan. |
| <p> |
| Tasks created by this method may read partial input files, multiple input files, or both.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>an Iterable of tasks for this scan</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="schema()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>schema</h4> |
| <pre class="methodSignature"><a href="Schema.html" title="class in org.apache.iceberg">Schema</a> schema()</pre> |
| <div class="block">Returns this scan's projection <a href="Schema.html" title="class in org.apache.iceberg"><code>Schema</code></a>. |
| <p> |
| If the projection schema was set directly using <a href="#project(org.apache.iceberg.Schema)"><code>project(Schema)</code></a>, returns that schema. |
| <p> |
| If the projection schema was set by calling <a href="#select(java.util.Collection)"><code>select(Collection)</code></a>, returns a projection |
| schema that includes the selected data fields and any fields used in the filter expression.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this scan's projection schema</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="snapshot()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>snapshot</h4> |
| <pre class="methodSignature"><a href="Snapshot.html" title="interface in org.apache.iceberg">Snapshot</a> snapshot()</pre> |
| <div class="block">Returns the <a href="Snapshot.html" title="interface in org.apache.iceberg"><code>Snapshot</code></a> that will be used by this scan. |
| <p> |
| If the snapshot was not configured using <a href="#asOfTime(long)"><code>asOfTime(long)</code></a> or <a href="#useSnapshot(long)"><code>useSnapshot(long)</code></a>, the current table |
| snapshot will be used.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the Snapshot this scan will use</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isCaseSensitive()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isCaseSensitive</h4> |
| <pre class="methodSignature">boolean isCaseSensitive()</pre> |
| <div class="block">Returns whether this scan should apply column name case sensitiveness as per <a href="#caseSensitive(boolean)"><code>caseSensitive(boolean)</code></a>.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if case sensitive, false otherwise.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="targetSplitSize()"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>targetSplitSize</h4> |
| <pre class="methodSignature">long targetSplitSize()</pre> |
| <div class="block">Returns the target split size for this scan.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| </li> |
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