Examples with CarbonProjection org.apache.carbondata.hadoop.CarbonProjection used on opensource projects

Example 6 with CarbonProjection

use of org.apache.carbondata.hadoop.CarbonProjection in project carbondata by apache.

the class CarbonTableInputFormatTest method testInputFormatMapperReadAllRowsAndFewColumnsWithFilter.

@Test
public void testInputFormatMapperReadAllRowsAndFewColumnsWithFilter() throws Exception {
    try {
        String outPath = "target/output3";
        CarbonProjection carbonProjection = new CarbonProjection();
        carbonProjection.addColumn("ID");
        carbonProjection.addColumn("country");
        carbonProjection.addColumn("salary");
        Expression expression = new EqualToExpression(new ColumnExpression("country", DataTypes.STRING), new LiteralExpression("france", DataTypes.STRING));
        runJob(outPath, carbonProjection, expression);
        Assert.assertEquals("Count lines are not matching", 101, countTheLines(outPath));
        Assert.assertEquals("Column count are not matching", 3, countTheColumns(outPath));
    } catch (Exception e) {
        Assert.assertTrue("failed", false);
    } finally {
        StoreCreator.clearDataMaps();
    }
}

Example 7 with CarbonProjection

use of org.apache.carbondata.hadoop.CarbonProjection in project carbondata by apache.

the class CarbonTableInputFormatTest method testInputFormatMapperReadAllRowsAndFewColumns.

@Test
public void testInputFormatMapperReadAllRowsAndFewColumns() throws Exception {
    try {
        String outPath = "target/output2";
        CarbonProjection carbonProjection = new CarbonProjection();
        carbonProjection.addColumn("ID");
        carbonProjection.addColumn("country");
        carbonProjection.addColumn("salary");
        runJob(outPath, carbonProjection, null);
        Assert.assertEquals("Count lines are not matching", 1000, countTheLines(outPath));
        Assert.assertEquals("Column count are not matching", 3, countTheColumns(outPath));
    } catch (Exception e) {
        e.printStackTrace();
        Assert.assertTrue("failed", false);
    } finally {
        StoreCreator.clearDataMaps();
    }
}

Example 8 with CarbonProjection

use of org.apache.carbondata.hadoop.CarbonProjection in project carbondata by apache.

the class CarbonTableInputFormatTest method testInputFormatMapperReadAllRowsAndColumns.

@Test
public void testInputFormatMapperReadAllRowsAndColumns() throws Exception {
    try {
        String outPath = "target/output";
        CarbonProjection carbonProjection = new CarbonProjection();
        carbonProjection.addColumn("ID");
        carbonProjection.addColumn("date");
        carbonProjection.addColumn("country");
        carbonProjection.addColumn("name");
        carbonProjection.addColumn("phonetype");
        carbonProjection.addColumn("serialname");
        carbonProjection.addColumn("salary");
        runJob(outPath, carbonProjection, null);
        Assert.assertEquals("Count lines are not matching", 1000, countTheLines(outPath));
        Assert.assertEquals("Column count are not matching", 7, countTheColumns(outPath));
    } catch (Exception e) {
        e.printStackTrace();
        Assert.assertTrue("failed", false);
        throw e;
    } finally {
        StoreCreator.clearDataMaps();
    }
}