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| <h2 title="Class TestResultSetLoaderLimits" class="title">Class TestResultSetLoaderLimits</h2> |
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| <ul class="inheritance"> |
| <li>org.apache.drill.exec.physical.resultSet.impl.TestResultSetLoaderLimits</li> |
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| <pre>public class <span class="typeNameLabel">TestResultSetLoaderLimits</span> |
| extends <a href="../../../../../../../org/apache/drill/test/SubOperatorTest.html" title="class in org.apache.drill.test">SubOperatorTest</a></pre> |
| <div class="block">Tests of the row limit functionality of the result set loader. The |
| row limit is set up front and has a default value. Because Drill must |
| discover data structure as it reads, the result set loader also allows changing |
| the row limit between batches (perhaps Drill discovers that rows are much |
| narrower or wider than expected.) |
| <p> |
| The tests here are independent of the tests for vector allocation (which does, |
| in fact, depend on the row count) and vector overflow (which an occur when |
| the row limit turns out to be too large.)</div> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/TestResultSetLoaderLimits.html#TestResultSetLoaderLimits--">TestResultSetLoaderLimits</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/resultSet/impl/TestResultSetLoaderLimits.html#testCustomRowLimit--">testCustomRowLimit</a></span>()</code> |
| <div class="block">Verify that the caller can set a row limit lower than the default.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/physical/resultSet/impl/TestResultSetLoaderLimits.html#testDynamicLimit--">testDynamicLimit</a></span>()</code> |
| <div class="block">Test that the row limit can change between batches.</div> |
| </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/resultSet/impl/TestResultSetLoaderLimits.html#testLimit0--">testLimit0</a></span>()</code> |
| <div class="block">Limit 0 is used to obtain only the schema.</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/resultSet/impl/TestResultSetLoaderLimits.html#testLimit1--">testLimit1</a></span>()</code> |
| <div class="block">Pathological limit case: a single row.</div> |
| </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/resultSet/impl/TestResultSetLoaderLimits.html#testLimit100--">testLimit100</a></span>()</code> |
| <div class="block">Test filling one batch normally, then hitting the scan limit on the second.</div> |
| </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/resultSet/impl/TestResultSetLoaderLimits.html#testRowLimit--">testRowLimit</a></span>()</code> |
| <div class="block">Verify that the writer stops when reaching the row limit.</div> |
| </td> |
| </tr> |
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| <code><a href="../../../../../../../org/apache/drill/test/SubOperatorTest.html#classSetup--">classSetup</a>, <a href="../../../../../../../org/apache/drill/test/SubOperatorTest.html#classTeardown--">classTeardown</a></code></li> |
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| <h4>TestResultSetLoaderLimits</h4> |
| <pre>public TestResultSetLoaderLimits()</pre> |
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| <pre>public void testRowLimit()</pre> |
| <div class="block">Verify that the writer stops when reaching the row limit. |
| In this case there is no look-ahead row.</div> |
| </li> |
| </ul> |
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| <pre>public void testCustomRowLimit()</pre> |
| <div class="block">Verify that the caller can set a row limit lower than the default.</div> |
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| <pre>public void testDynamicLimit()</pre> |
| <div class="block">Test that the row limit can change between batches.</div> |
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| <pre>public void testLimit0()</pre> |
| <div class="block">Limit 0 is used to obtain only the schema.</div> |
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| <pre>public void testLimit1()</pre> |
| <div class="block">Pathological limit case: a single row.</div> |
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| <pre>public void testLimit100()</pre> |
| <div class="block">Test filling one batch normally, then hitting the scan limit on the second.</div> |
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