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| <div class="subTitle">org.apache.drill.exec.physical.rowSet</div> |
| <h2 title="Class TestRowSet" class="title">Class TestRowSet</h2> |
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| <li>org.apache.drill.exec.physical.rowSet.TestRowSet</li> |
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| <pre>public class <span class="typeNameLabel">TestRowSet</span> |
| extends <a href="../../../../../../org/apache/drill/test/SubOperatorTest.html" title="class in org.apache.drill.test">SubOperatorTest</a></pre> |
| <div class="block">Test row sets. Since row sets are a thin wrapper around vectors, |
| readers and writers, this is also a test of those constructs. |
| <p> |
| Tests basic protocol of the writers: <pre><code> |
| row : tuple |
| tuple : column * |
| column : scalar obj | array obj | tuple obj | variant obj |
| scalar obj : scalar |
| array obj : array |
| array : index --> column |
| element : column |
| tuple obj : tuple |
| tuple : name --> column (also index --> column) |
| variant obj : variant |
| variant : type --> column</code></pre> |
| <p> |
| A list is an array of variants. Variants are tested elsewhere.</div> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/rowSet/TestRowSet.html#TestRowSet--">TestRowSet</a></span>()</code> </td> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/rowSet/TestRowSet.html#example--">example</a></span>()</code> |
| <div class="block">The code below is not a test.</div> |
| </td> |
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| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/rowSet/TestRowSet.html#print-java.lang.Object-">print</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> obj)</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/rowSet/TestRowSet.html#testBufferBounds--">testBufferBounds</a></span>()</code> |
| <div class="block">Test filling a row set up to the maximum vector size.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/rowSet/TestRowSet.html#testDictStructure--">testDictStructure</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/rowSet/TestRowSet.html#testDictStructureMapValue--">testDictStructureMapValue</a></span>()</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/rowSet/TestRowSet.html#testMapStructure--">testMapStructure</a></span>()</code> |
| <div class="block">Test a simple map structure at the top level of a row.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/rowSet/TestRowSet.html#testRepeatedDictStructure--">testRepeatedDictStructure</a></span>()</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/rowSet/TestRowSet.html#testRepeatedMapStructure--">testRepeatedMapStructure</a></span>()</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/rowSet/TestRowSet.html#testRowBounds--">testRowBounds</a></span>()</code> |
| <div class="block">Test filling a row set up to the maximum number of rows.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/rowSet/TestRowSet.html#testScalarArrayStructure--">testScalarArrayStructure</a></span>()</code> |
| <div class="block">Test a record with a top level array.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/rowSet/TestRowSet.html#testScalarStructure--">testScalarStructure</a></span>()</code> |
| <div class="block">Test the simplest constructs: a row with top-level scalar |
| columns.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/physical/rowSet/TestRowSet.html#testTopFixedWidthArray--">testTopFixedWidthArray</a></span>()</code> |
| <div class="block">Test an array of ints (as an example fixed-width type) |
| at the top level of a schema.</div> |
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| <a name="TestRowSet--"> |
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| <h4>TestRowSet</h4> |
| <pre>public TestRowSet()</pre> |
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| <h4>testScalarStructure</h4> |
| <pre>public void testScalarStructure()</pre> |
| <div class="block">Test the simplest constructs: a row with top-level scalar |
| columns. |
| <p> |
| The focus here is the structure of the readers and writers, along |
| with the row set loader and verifier that use those constructs. |
| That is, while this test uses the int vector, this test is not |
| focused on that vector.</div> |
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| <pre>public void testScalarArrayStructure()</pre> |
| <div class="block">Test a record with a top level array. The focus here is on the |
| scalar array structure.</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/vector/VectorOverflowException.html" title="class in org.apache.drill.exec.vector">VectorOverflowException</a></code> - should never occur</dd> |
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| <pre>public void testMapStructure()</pre> |
| <div class="block">Test a simple map structure at the top level of a row.</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/vector/VectorOverflowException.html" title="class in org.apache.drill.exec.vector">VectorOverflowException</a></code> - should never occur</dd> |
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| <pre>public void testTopFixedWidthArray()</pre> |
| <div class="block">Test an array of ints (as an example fixed-width type) |
| at the top level of a schema.</div> |
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| <pre>public void testRowBounds()</pre> |
| <div class="block">Test filling a row set up to the maximum number of rows. |
| Values are small enough to prevent filling to the |
| maximum buffer size.</div> |
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| <pre>public void testBufferBounds()</pre> |
| <div class="block">Test filling a row set up to the maximum vector size. |
| Values in the first column are small enough to prevent filling to the |
| maximum buffer size, but values in the second column |
| will reach maximum buffer size before maximum row size. |
| The result should be the number of rows that fit, with the |
| partial last row not counting. (A complete application would |
| reload the partial row into a new row set.)</div> |
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| <h4>example</h4> |
| <pre>public void example()</pre> |
| <div class="block">The code below is not a test. Rather, it is a simple example of |
| how to write a batch of data using writers, then read it using |
| readers.</div> |
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