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| <h1 title="Uses of Class org.apache.datafusion.DataFrame" class="title">Uses of Class<br>org.apache.datafusion.DataFrame</h1> |
| </div> |
| <div class="caption"><span>Packages that use <a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></span></div> |
| <div class="summary-table two-column-summary"> |
| <div class="table-header col-first">Package</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><a href="#org.apache.datafusion">org.apache.datafusion</a></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| <section class="class-uses"> |
| <ul class="block-list"> |
| <li> |
| <section class="detail" id="org.apache.datafusion"> |
| <h2>Uses of <a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> in <a href="../package-summary.html">org.apache.datafusion</a></h2> |
| <div class="caption"><span>Methods in <a href="../package-summary.html">org.apache.datafusion</a> that return <a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#cache()" class="member-name-link">cache</a>()</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Materialise this DataFrame into an in-memory table and return a new DataFrame that scans it.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#describe()" class="member-name-link">describe</a>()</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Compute summary statistics (count, null_count, mean, std, min, max, median) over this |
| DataFrame's columns and return them as a new DataFrame.</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#distinct()" class="member-name-link">distinct</a>()</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Deduplicate rows across all columns.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#dropColumns(java.lang.String...)" class="member-name-link">dropColumns</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>... columnNames)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Drop the named columns.</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#except(org.apache.datafusion.DataFrame)" class="member-name-link">except</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> other)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Rows present in this DataFrame but not in <code>other</code>, keeping duplicates from the receiver |
| (SQL <code>EXCEPT ALL</code>).</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#exceptDistinct(org.apache.datafusion.DataFrame)" class="member-name-link">exceptDistinct</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> other)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Rows present in this DataFrame but not in <code>other</code>, deduplicated (SQL <code>EXCEPT</code>).</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#explain(boolean,boolean)" class="member-name-link">explain</a><wbr>(boolean verbose, |
| boolean analyze)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Return a new DataFrame whose rows describe the plan that would execute this DataFrame.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#filter(java.lang.String)" class="member-name-link">filter</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> predicate)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Apply a SQL predicate to produce a filtered DataFrame.</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">SessionContext.</span><code><a href="../SessionContext.html#fromProto(byte%5B%5D)" class="member-name-link">fromProto</a><wbr>(byte[] planBytes)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Decode a DataFusion-Proto <code>LogicalPlanNode</code> and return a lazy <a href="../DataFrame.html" title="class in org.apache.datafusion"><code>DataFrame</code></a>.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">SessionContext.</span><code><a href="../SessionContext.html#fromSubstrait(byte%5B%5D)" class="member-name-link">fromSubstrait</a><wbr>(byte[] planBytes)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Decode a <a href="https://substrait.io/">Substrait</a> <code>Plan</code> message and return a lazy |
| <a href="../DataFrame.html" title="class in org.apache.datafusion"><code>DataFrame</code></a>.</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#intersect(org.apache.datafusion.DataFrame)" class="member-name-link">intersect</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> other)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Rows present in both this DataFrame and <code>other</code>, keeping duplicates from the receiver |
| (SQL <code>INTERSECT ALL</code>).</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#intersectDistinct(org.apache.datafusion.DataFrame)" class="member-name-link">intersectDistinct</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> other)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Rows present in both this DataFrame and <code>other</code>, deduplicated (SQL <code>INTERSECT</code>).</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#join(org.apache.datafusion.DataFrame,org.apache.datafusion.JoinType,java.lang.String%5B%5D,java.lang.String%5B%5D)" class="member-name-link">join</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> right, |
| <a href="../JoinType.html" title="enum class in org.apache.datafusion">JoinType</a> type, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[] leftCols, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[] rightCols)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Equi-join this DataFrame with <code>right</code> on the named columns, using the given <a href="../JoinType.html" title="enum class in org.apache.datafusion"><code>JoinType</code></a>.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#join(org.apache.datafusion.DataFrame,org.apache.datafusion.JoinType,java.lang.String%5B%5D,java.lang.String%5B%5D,java.lang.String)" class="member-name-link">join</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> right, |
| <a href="../JoinType.html" title="enum class in org.apache.datafusion">JoinType</a> type, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[] leftCols, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[] rightCols, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> filter)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Equi-join this DataFrame with <code>right</code>, restricting the result with a residual SQL filter |
| parsed against the <em>combined</em> schema (left columns followed by right columns; columns |
| may be qualified with the relation alias when ambiguous).</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#joinOn(org.apache.datafusion.DataFrame,org.apache.datafusion.JoinType,java.lang.String...)" class="member-name-link">joinOn</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> right, |
| <a href="../JoinType.html" title="enum class in org.apache.datafusion">JoinType</a> type, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>... predicates)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Join this DataFrame with <code>right</code> using arbitrary SQL predicates parsed against the |
| <em>combined</em> schema.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#limit(int)" class="member-name-link">limit</a><wbr>(int fetch)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Take the first <code>fetch</code> rows.</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#limit(int,int)" class="member-name-link">limit</a><wbr>(int skip, |
| int fetch)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Skip <code>skip</code> rows, then take the next <code>fetch</code> rows.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">SessionContext.</span><code><a href="../SessionContext.html#readArrow(java.lang.String)" class="member-name-link">readArrow</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> path)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Read an Arrow IPC file as a <a href="../DataFrame.html" title="class in org.apache.datafusion"><code>DataFrame</code></a> without registering it.</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">SessionContext.</span><code><a href="../SessionContext.html#readArrow(java.lang.String,org.apache.datafusion.ArrowReadOptions)" class="member-name-link">readArrow</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> path, |
| <a href="../ArrowReadOptions.html" title="class in org.apache.datafusion">ArrowReadOptions</a> options)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Read an Arrow IPC file as a <a href="../DataFrame.html" title="class in org.apache.datafusion"><code>DataFrame</code></a> with the supplied <a href="../ArrowReadOptions.html" title="class in org.apache.datafusion"><code>ArrowReadOptions</code></a>.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">SessionContext.</span><code><a href="../SessionContext.html#readAvro(java.lang.String)" class="member-name-link">readAvro</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> path)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Read an Avro file as a <a href="../DataFrame.html" title="class in org.apache.datafusion"><code>DataFrame</code></a> without registering it.</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">SessionContext.</span><code><a href="../SessionContext.html#readAvro(java.lang.String,org.apache.datafusion.AvroReadOptions)" class="member-name-link">readAvro</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> path, |
| <a href="../AvroReadOptions.html" title="class in org.apache.datafusion">AvroReadOptions</a> options)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Read an Avro file as a <a href="../DataFrame.html" title="class in org.apache.datafusion"><code>DataFrame</code></a> with the supplied <a href="../AvroReadOptions.html" title="class in org.apache.datafusion"><code>AvroReadOptions</code></a>.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">SessionContext.</span><code><a href="../SessionContext.html#readCsv(java.lang.String)" class="member-name-link">readCsv</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> path)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Read a CSV file as a <a href="../DataFrame.html" title="class in org.apache.datafusion"><code>DataFrame</code></a> without registering it.</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">SessionContext.</span><code><a href="../SessionContext.html#readCsv(java.lang.String,org.apache.datafusion.CsvReadOptions)" class="member-name-link">readCsv</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> path, |
| <a href="../CsvReadOptions.html" title="class in org.apache.datafusion">CsvReadOptions</a> options)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Read a CSV file as a <a href="../DataFrame.html" title="class in org.apache.datafusion"><code>DataFrame</code></a> with the supplied <a href="../CsvReadOptions.html" title="class in org.apache.datafusion"><code>CsvReadOptions</code></a>.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">SessionContext.</span><code><a href="../SessionContext.html#readJson(java.lang.String)" class="member-name-link">readJson</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> path)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Read a newline-delimited JSON file as a <a href="../DataFrame.html" title="class in org.apache.datafusion"><code>DataFrame</code></a> without registering it.</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">SessionContext.</span><code><a href="../SessionContext.html#readJson(java.lang.String,org.apache.datafusion.NdJsonReadOptions)" class="member-name-link">readJson</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> path, |
| <a href="../NdJsonReadOptions.html" title="class in org.apache.datafusion">NdJsonReadOptions</a> options)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Read a newline-delimited JSON file as a <a href="../DataFrame.html" title="class in org.apache.datafusion"><code>DataFrame</code></a> with the supplied <a href="../NdJsonReadOptions.html" title="class in org.apache.datafusion"><code>NdJsonReadOptions</code></a>.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">SessionContext.</span><code><a href="../SessionContext.html#readParquet(java.lang.String)" class="member-name-link">readParquet</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> path)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Read a parquet file as a <a href="../DataFrame.html" title="class in org.apache.datafusion"><code>DataFrame</code></a> without registering it.</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">SessionContext.</span><code><a href="../SessionContext.html#readParquet(java.lang.String,org.apache.datafusion.ParquetReadOptions)" class="member-name-link">readParquet</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> path, |
| <a href="../ParquetReadOptions.html" title="class in org.apache.datafusion">ParquetReadOptions</a> options)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Read a parquet file as a <a href="../DataFrame.html" title="class in org.apache.datafusion"><code>DataFrame</code></a> with the supplied <a href="../ParquetReadOptions.html" title="class in org.apache.datafusion"><code>ParquetReadOptions</code></a>.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#repartitionHash(int,java.lang.String...)" class="member-name-link">repartitionHash</a><wbr>(int numPartitions, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>... columns)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Repartition this DataFrame by hashing the named columns into <code>numPartitions</code> output |
| partitions. v1 supports column-name keys only; expression keys are deferred until the Java |
| binding gains an <code>Expr</code> builder.</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#repartitionRoundRobin(int)" class="member-name-link">repartitionRoundRobin</a><wbr>(int numPartitions)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Repartition this DataFrame using a round-robin scheme across <code>numPartitions</code> output |
| partitions.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#select(java.lang.String...)" class="member-name-link">select</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>... columnNames)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Project the listed columns into a new DataFrame.</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#sort(org.apache.datafusion.SortExpr...)" class="member-name-link">sort</a><wbr>(<a href="../SortExpr.html" title="class in org.apache.datafusion">SortExpr</a>... exprs)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Order the rows by the supplied sort keys.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">SessionContext.</span><code><a href="../SessionContext.html#sql(java.lang.String)" class="member-name-link">sql</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> query)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Parse and plan <code>query</code>, returning a lazy <a href="../DataFrame.html" title="class in org.apache.datafusion"><code>DataFrame</code></a>.</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#union(org.apache.datafusion.DataFrame)" class="member-name-link">union</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> other)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Concatenate this DataFrame with <code>other</code> by column position, keeping all duplicates (SQL |
| <code>UNION ALL</code>).</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#unionByName(org.apache.datafusion.DataFrame)" class="member-name-link">unionByName</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> other)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Concatenate this DataFrame with <code>other</code> by column name, keeping all duplicates.</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#unionByNameDistinct(org.apache.datafusion.DataFrame)" class="member-name-link">unionByNameDistinct</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> other)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Concatenate this DataFrame with <code>other</code> by column name, removing duplicates.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#unionDistinct(org.apache.datafusion.DataFrame)" class="member-name-link">unionDistinct</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> other)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Concatenate this DataFrame with <code>other</code> by column position, removing duplicates (SQL |
| <code>UNION DISTINCT</code> -- equivalent to plain <code>UNION</code> in standard SQL).</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#unnestColumns(java.lang.String...)" class="member-name-link">unnestColumns</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>... columns)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Expand list or struct columns into rows or fields, with default <a href="../UnnestOptions.html" title="class in org.apache.datafusion"><code>UnnestOptions</code></a> (i.e.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#unnestColumns(org.apache.datafusion.UnnestOptions,java.lang.String...)" class="member-name-link">unnestColumns</a><wbr>(<a href="../UnnestOptions.html" title="class in org.apache.datafusion">UnnestOptions</a> options, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>... columns)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Expand list or struct columns into rows or fields with the supplied <a href="../UnnestOptions.html" title="class in org.apache.datafusion"><code>UnnestOptions</code></a>.</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#withColumn(java.lang.String,java.lang.String)" class="member-name-link">withColumn</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> name, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> expr)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Add a column to this DataFrame computed from a SQL expression.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#withColumnRenamed(java.lang.String,java.lang.String)" class="member-name-link">withColumnRenamed</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> oldName, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> newName)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Rename a column.</div> |
| </div> |
| </div> |
| <div class="caption"><span>Methods in <a href="../package-summary.html">org.apache.datafusion</a> with parameters of type <a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></span></div> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#except(org.apache.datafusion.DataFrame)" class="member-name-link">except</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> other)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Rows present in this DataFrame but not in <code>other</code>, keeping duplicates from the receiver |
| (SQL <code>EXCEPT ALL</code>).</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#exceptDistinct(org.apache.datafusion.DataFrame)" class="member-name-link">exceptDistinct</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> other)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Rows present in this DataFrame but not in <code>other</code>, deduplicated (SQL <code>EXCEPT</code>).</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#intersect(org.apache.datafusion.DataFrame)" class="member-name-link">intersect</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> other)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Rows present in both this DataFrame and <code>other</code>, keeping duplicates from the receiver |
| (SQL <code>INTERSECT ALL</code>).</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#intersectDistinct(org.apache.datafusion.DataFrame)" class="member-name-link">intersectDistinct</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> other)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Rows present in both this DataFrame and <code>other</code>, deduplicated (SQL <code>INTERSECT</code>).</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#join(org.apache.datafusion.DataFrame,org.apache.datafusion.JoinType,java.lang.String%5B%5D,java.lang.String%5B%5D)" class="member-name-link">join</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> right, |
| <a href="../JoinType.html" title="enum class in org.apache.datafusion">JoinType</a> type, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[] leftCols, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[] rightCols)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Equi-join this DataFrame with <code>right</code> on the named columns, using the given <a href="../JoinType.html" title="enum class in org.apache.datafusion"><code>JoinType</code></a>.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#join(org.apache.datafusion.DataFrame,org.apache.datafusion.JoinType,java.lang.String%5B%5D,java.lang.String%5B%5D,java.lang.String)" class="member-name-link">join</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> right, |
| <a href="../JoinType.html" title="enum class in org.apache.datafusion">JoinType</a> type, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[] leftCols, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[] rightCols, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> filter)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Equi-join this DataFrame with <code>right</code>, restricting the result with a residual SQL filter |
| parsed against the <em>combined</em> schema (left columns followed by right columns; columns |
| may be qualified with the relation alias when ambiguous).</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#joinOn(org.apache.datafusion.DataFrame,org.apache.datafusion.JoinType,java.lang.String...)" class="member-name-link">joinOn</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> right, |
| <a href="../JoinType.html" title="enum class in org.apache.datafusion">JoinType</a> type, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>... predicates)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Join this DataFrame with <code>right</code> using arbitrary SQL predicates parsed against the |
| <em>combined</em> schema.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#union(org.apache.datafusion.DataFrame)" class="member-name-link">union</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> other)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Concatenate this DataFrame with <code>other</code> by column position, keeping all duplicates (SQL |
| <code>UNION ALL</code>).</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#unionByName(org.apache.datafusion.DataFrame)" class="member-name-link">unionByName</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> other)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Concatenate this DataFrame with <code>other</code> by column name, keeping all duplicates.</div> |
| </div> |
| <div class="col-first odd-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second odd-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#unionByNameDistinct(org.apache.datafusion.DataFrame)" class="member-name-link">unionByNameDistinct</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> other)</code></div> |
| <div class="col-last odd-row-color"> |
| <div class="block">Concatenate this DataFrame with <code>other</code> by column name, removing duplicates.</div> |
| </div> |
| <div class="col-first even-row-color"><code><a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a></code></div> |
| <div class="col-second even-row-color"><span class="type-name-label">DataFrame.</span><code><a href="../DataFrame.html#unionDistinct(org.apache.datafusion.DataFrame)" class="member-name-link">unionDistinct</a><wbr>(<a href="../DataFrame.html" title="class in org.apache.datafusion">DataFrame</a> other)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Concatenate this DataFrame with <code>other</code> by column position, removing duplicates (SQL |
| <code>UNION DISTINCT</code> -- equivalent to plain <code>UNION</code> in standard SQL).</div> |
| </div> |
| </div> |
| </section> |
| </li> |
| </ul> |
| </section> |
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