Examples with StringColumnPreIndexStatsCollector com.linkedin.pinot.core.segment.creator.impl.stats.StringColumnPreIndexStatsCollector used on opensource projects

Example 1 with StringColumnPreIndexStatsCollector

use of com.linkedin.pinot.core.segment.creator.impl.stats.StringColumnPreIndexStatsCollector in project pinot by linkedin.

the class DictionariesTest method testStringColumnPreIndexStatsCollectorForBoolean.

@Test
public void testStringColumnPreIndexStatsCollectorForBoolean() throws Exception {
    FieldSpec spec = new DimensionFieldSpec("column1", DataType.BOOLEAN, true);
    AbstractColumnStatisticsCollector statsCollector = new StringColumnPreIndexStatsCollector(spec);
    statsCollector.collect("false");
    Assert.assertTrue(statsCollector.isSorted());
    statsCollector.collect("false");
    Assert.assertTrue(statsCollector.isSorted());
    statsCollector.collect("false");
    Assert.assertTrue(statsCollector.isSorted());
    statsCollector.collect("true");
    Assert.assertTrue(statsCollector.isSorted());
    statsCollector.collect("true");
    Assert.assertTrue(statsCollector.isSorted());
    statsCollector.collect("false");
    Assert.assertFalse(statsCollector.isSorted());
    statsCollector.collect("false");
    Assert.assertFalse(statsCollector.isSorted());
    statsCollector.collect("true");
    Assert.assertFalse(statsCollector.isSorted());
    statsCollector.seal();
    Assert.assertEquals(statsCollector.getCardinality(), 2);
    Assert.assertEquals((statsCollector.getMinValue()).toString(), "false");
    Assert.assertEquals((statsCollector.getMaxValue()).toString(), "true");
    Assert.assertFalse(statsCollector.isSorted());
}

Example 2 with StringColumnPreIndexStatsCollector

use of com.linkedin.pinot.core.segment.creator.impl.stats.StringColumnPreIndexStatsCollector in project pinot by linkedin.

the class DictionariesTest method testStringColumnPreIndexStatsCollectorForRandomString.

@Test
public void testStringColumnPreIndexStatsCollectorForRandomString() throws Exception {
    FieldSpec spec = new DimensionFieldSpec("column1", DataType.STRING, true);
    AbstractColumnStatisticsCollector statsCollector = new StringColumnPreIndexStatsCollector(spec);
    statsCollector.collect("a");
    Assert.assertTrue(statsCollector.isSorted());
    statsCollector.collect("b");
    Assert.assertTrue(statsCollector.isSorted());
    statsCollector.collect("c");
    Assert.assertTrue(statsCollector.isSorted());
    statsCollector.collect("d");
    Assert.assertTrue(statsCollector.isSorted());
    statsCollector.collect("d");
    Assert.assertTrue(statsCollector.isSorted());
    statsCollector.collect("b");
    Assert.assertFalse(statsCollector.isSorted());
    statsCollector.collect("z");
    Assert.assertFalse(statsCollector.isSorted());
    statsCollector.collect("u");
    Assert.assertFalse(statsCollector.isSorted());
    statsCollector.seal();
    Assert.assertEquals(statsCollector.getCardinality(), 6);
    Assert.assertEquals((statsCollector.getMinValue()).toString(), "a");
    Assert.assertEquals((statsCollector.getMaxValue()).toString(), "z");
    Assert.assertFalse(statsCollector.isSorted());
}