Examples with ScalarReader org.apache.drill.exec.vector.accessor.ScalarReader used on opensource projects

Example 81 with ScalarReader

use of org.apache.drill.exec.vector.accessor.ScalarReader in project drill by apache.

the class TestScalarAccessors method testDateObjectRW.

// Test the convenience objects for DATE, TIME and TIMESTAMP
@Test
public void testDateObjectRW() {
    TupleMetadata schema = new SchemaBuilder().add("col", MinorType.DATE).buildSchema();
    LocalDate v1 = LocalDate.of(2019, 3, 24);
    SingleRowSet rs = fixture.rowSetBuilder(schema).addSingleCol(v1).build();
    assertEquals(1, rs.rowCount());
    RowSetReader reader = rs.reader();
    ScalarReader colReader = reader.scalar(0);
    assertEquals(ValueType.DATE, colReader.extendedType());
    assertTrue(reader.next());
    assertEquals(v1, colReader.getDate());
    assertFalse(reader.next());
    rs.clear();
}

Example 82 with ScalarReader

use of org.apache.drill.exec.vector.accessor.ScalarReader in project drill by apache.

the class TestScalarAccessors method testIntervalDayRW.

@Test
public void testIntervalDayRW() {
    TupleMetadata schema = new SchemaBuilder().add("col", MinorType.INTERVALDAY).buildSchema();
    Period p1 = Period.days(0);
    Period p2 = Period.days(3).plusHours(4).plusMinutes(5).plusSeconds(23);
    Period p3 = Period.days(999).plusHours(23).plusMinutes(59).plusSeconds(59);
    SingleRowSet rs = fixture.rowSetBuilder(schema).addRow(p1).addRow(p2).addRow(p3).build();
    assertEquals(3, rs.rowCount());
    RowSetReader reader = rs.reader();
    ScalarReader colReader = reader.scalar(0);
    assertEquals(ValueType.PERIOD, colReader.valueType());
    assertTrue(reader.next());
    assertFalse(colReader.isNull());
    // The normalizedStandard() call is a hack. See DRILL-5689.
    assertEquals(p1, colReader.getPeriod().normalizedStandard());
    assertTrue(reader.next());
    assertEquals(p2, colReader.getPeriod().normalizedStandard());
    assertEquals(p2, ((Period) colReader.getObject()).normalizedStandard());
    assertEquals(p2.toString(), colReader.getAsString());
    assertTrue(reader.next());
    assertEquals(p3.normalizedStandard(), colReader.getPeriod().normalizedStandard());
    assertFalse(reader.next());
    rs.clear();
}

Example 83 with ScalarReader

use of org.apache.drill.exec.vector.accessor.ScalarReader in project drill by apache.

the class TestScalarAccessors method testVarBinaryArray.

@Test
public void testVarBinaryArray() {
    TupleMetadata schema = new SchemaBuilder().addArray("col", MinorType.VARBINARY).buildSchema();
    byte[] v1 = new byte[] {};
    byte[] v2 = new byte[] { (byte) 0x00, (byte) 0x7f, (byte) 0x80, (byte) 0xFF };
    byte[] v3 = new byte[] { (byte) 0xDE, (byte) 0xAD, (byte) 0xBE, (byte) 0xAF };
    SingleRowSet rs = fixture.rowSetBuilder(schema).addSingleCol(new byte[][] {}).addSingleCol(new byte[][] { v1, v2, v3 }).build();
    assertEquals(2, rs.rowCount());
    RowSetReader reader = rs.reader();
    ArrayReader arrayReader = reader.array(0);
    ScalarReader colReader = arrayReader.scalar();
    assertEquals(ValueType.BYTES, colReader.valueType());
    assertTrue(reader.next());
    assertEquals(0, arrayReader.size());
    assertTrue(reader.next());
    assertEquals(3, arrayReader.size());
    assertTrue(arrayReader.next());
    assertTrue(Arrays.equals(v1, colReader.getBytes()));
    assertTrue(arrayReader.next());
    assertTrue(Arrays.equals(v2, colReader.getBytes()));
    assertTrue(Arrays.equals(v2, (byte[]) colReader.getObject()));
    assertEquals("[00, 7f, 80, ff]", colReader.getAsString());
    assertTrue(arrayReader.next());
    assertTrue(Arrays.equals(v3, colReader.getBytes()));
    assertFalse(arrayReader.next());
    assertFalse(reader.next());
    rs.clear();
}

Example 84 with ScalarReader

use of org.apache.drill.exec.vector.accessor.ScalarReader in project drill by apache.

the class TestScalarAccessors method testVarcharArray.

@Test
public void testVarcharArray() {
    TupleMetadata schema = new SchemaBuilder().addArray("col", MinorType.VARCHAR).buildSchema();
    SingleRowSet rs = fixture.rowSetBuilder(schema).addSingleCol(strArray()).addSingleCol(strArray("fred", "", "wilma")).build();
    assertEquals(2, rs.rowCount());
    RowSetReader reader = rs.reader();
    ArrayReader arrayReader = reader.array(0);
    ScalarReader colReader = arrayReader.scalar();
    assertEquals(ValueType.STRING, colReader.valueType());
    assertTrue(reader.next());
    assertEquals(0, arrayReader.size());
    assertTrue(reader.next());
    assertEquals(3, arrayReader.size());
    assertTrue(arrayReader.next());
    assertEquals("fred", colReader.getString());
    assertEquals("fred", colReader.getObject());
    assertEquals("\"fred\"", colReader.getAsString());
    assertTrue(arrayReader.next());
    assertEquals("", colReader.getString());
    assertEquals("", colReader.getObject());
    assertEquals("\"\"", colReader.getAsString());
    assertTrue(arrayReader.next());
    assertEquals("wilma", colReader.getString());
    assertEquals("wilma", colReader.getObject());
    assertEquals("\"wilma\"", colReader.getAsString());
    assertFalse(arrayReader.next());
    assertEquals("[\"fred\", \"\", \"wilma\"]", arrayReader.getAsString());
    assertEquals(Arrays.asList("fred", "", "wilma"), arrayReader.getObject());
    assertFalse(reader.next());
    rs.clear();
}

Example 85 with ScalarReader

use of org.apache.drill.exec.vector.accessor.ScalarReader in project drill by apache.

the class TestScalarAccessors method testIntervalYearRW.

@Test
public void testIntervalYearRW() {
    TupleMetadata schema = new SchemaBuilder().add("col", MinorType.INTERVALYEAR).buildSchema();
    Period p1 = Period.years(0);
    Period p2 = Period.years(2).plusMonths(3);
    Period p3 = Period.years(1234).plusMonths(11);
    SingleRowSet rs = fixture.rowSetBuilder(schema).addRow(p1).addRow(p2).addRow(p3).build();
    assertEquals(3, rs.rowCount());
    RowSetReader reader = rs.reader();
    ScalarReader colReader = reader.scalar(0);
    assertEquals(ValueType.PERIOD, colReader.valueType());
    assertTrue(reader.next());
    assertFalse(colReader.isNull());
    assertEquals(p1, colReader.getPeriod());
    assertTrue(reader.next());
    assertEquals(p2, colReader.getPeriod());
    assertEquals(p2, colReader.getObject());
    assertEquals(p2.toString(), colReader.getAsString());
    assertTrue(reader.next());
    assertEquals(p3, colReader.getPeriod());
    assertFalse(reader.next());
    rs.clear();
}