Examples with RowSetLoader org.apache.drill.exec.physical.resultSet.RowSetLoader used on opensource projects

Example 71 with RowSetLoader

use of org.apache.drill.exec.physical.resultSet.RowSetLoader in project drill by apache.

the class TestResultSetLoaderOverflow method testArrayOverflowWithOtherArrays.

/**
 * Test the complete set of array overflow cases:
 * <ul>
 * <li>Array a is written before the column that has overflow,
 * and must be copied, in its entirety, to the overflow row.</li>
 * <li>Column b causes the overflow.</li>
 * <li>Column c is written after the overflow, and should go
 * to the look-ahead row.</li>
 * <li>Column d is written for a while, then has empties before
 * the overflow row, but is written in the overflow row.<li>
 * <li>Column e is like d, but is not written in the overflow
 * row.</li>
 */
@Test
public void testArrayOverflowWithOtherArrays() {
    TupleMetadata schema = new SchemaBuilder().addArray("a", MinorType.INT).addArray("b", MinorType.VARCHAR).addArray("c", MinorType.INT).addArray("d", MinorType.INT).buildSchema();
    ResultSetOptions options = new ResultSetOptionBuilder().rowCountLimit(ValueVector.MAX_ROW_COUNT).readerSchema(schema).build();
    ResultSetLoader rsLoader = new ResultSetLoaderImpl(fixture.allocator(), options);
    RowSetLoader rootWriter = rsLoader.writer();
    // Fill batch with rows of with a single array, three values each. Tack on
    // a suffix to each so we can be sure the proper data is written and moved
    // to the overflow batch.
    byte[] value = new byte[512];
    Arrays.fill(value, (byte) 'X');
    String strValue = new String(value, Charsets.UTF_8);
    int aCount = 3;
    int bCount = 11;
    int cCount = 5;
    int dCount = 7;
    int cCutoff = ValueVector.MAX_BUFFER_SIZE / value.length / bCount / 2;
    ScalarWriter aWriter = rootWriter.array("a").scalar();
    ScalarWriter bWriter = rootWriter.array("b").scalar();
    ScalarWriter cWriter = rootWriter.array("c").scalar();
    ScalarWriter dWriter = rootWriter.array("d").scalar();
    int count = 0;
    rsLoader.startBatch();
    while (rootWriter.start()) {
        for (int i = 0; i < aCount; i++) {
            aWriter.setInt(count * aCount + i);
        }
        for (int i = 0; i < bCount; i++) {
            String cellValue = strValue + (count * bCount + i);
            bWriter.setString(cellValue);
        }
        if (count < cCutoff) {
            for (int i = 0; i < cCount; i++) {
                cWriter.setInt(count * cCount + i);
            }
        }
        if (count < cCutoff || rootWriter.isFull()) {
            for (int i = 0; i < dCount; i++) {
                dWriter.setInt(count * dCount + i);
            }
        }
        rootWriter.save();
        count++;
    }
    // Verify
    {
        VectorContainer container = rsLoader.harvest();
        BatchValidator.validate(container);
        RowSet result = fixture.wrap(container);
        assertEquals(count - 1, result.rowCount());
        RowSetReader reader = result.reader();
        ArrayReader aArray = reader.array("a");
        ScalarReader aReader = aArray.scalar();
        ArrayReader bArray = reader.array("b");
        ScalarReader bReader = bArray.scalar();
        ArrayReader cArray = reader.array("c");
        ScalarReader cReader = cArray.scalar();
        ArrayReader dArray = reader.array("d");
        ScalarReader dReader = dArray.scalar();
        while (reader.next()) {
            int rowId = reader.offset();
            assertEquals(aCount, aArray.size());
            for (int i = 0; i < aCount; i++) {
                assertTrue(aArray.next());
                assertEquals(rowId * aCount + i, aReader.getInt());
            }
            assertEquals(bCount, bArray.size());
            for (int i = 0; i < bCount; i++) {
                assertTrue(bArray.next());
                String cellValue = strValue + (rowId * bCount + i);
                assertEquals(cellValue, bReader.getString());
            }
            if (rowId < cCutoff) {
                assertEquals(cCount, cArray.size());
                for (int i = 0; i < cCount; i++) {
                    assertTrue(cArray.next());
                    assertEquals(rowId * cCount + i, cReader.getInt());
                }
                assertEquals(dCount, dArray.size());
                for (int i = 0; i < dCount; i++) {
                    assertTrue(dArray.next());
                    assertEquals(rowId * dCount + i, dReader.getInt());
                }
            } else {
                assertEquals(0, cArray.size());
                assertEquals(0, dArray.size());
            }
        }
        result.clear();
    }
    int firstCount = count - 1;
    // One row is in the batch. Write more, skipping over the
    // initial few values for columns c and d. Column d has a
    // roll-over value, c has an empty roll-over.
    rsLoader.startBatch();
    for (int j = 0; j < 5; j++) {
        rootWriter.start();
        for (int i = 0; i < aCount; i++) {
            aWriter.setInt(count * aCount + i);
        }
        for (int i = 0; i < bCount; i++) {
            String cellValue = strValue + (count * bCount + i);
            bWriter.setString(cellValue);
        }
        if (j > 3) {
            for (int i = 0; i < cCount; i++) {
                cWriter.setInt(count * cCount + i);
            }
            for (int i = 0; i < dCount; i++) {
                dWriter.setInt(count * dCount + i);
            }
        }
        rootWriter.save();
        count++;
    }
    {
        VectorContainer container = rsLoader.harvest();
        BatchValidator.validate(container);
        RowSet result = fixture.wrap(container);
        assertEquals(6, result.rowCount());
        RowSetReader reader = result.reader();
        ArrayReader aArray = reader.array("a");
        ScalarReader aReader = aArray.scalar();
        ArrayReader bArray = reader.array("b");
        ScalarReader bReader = bArray.scalar();
        ArrayReader cArray = reader.array("c");
        ScalarReader cReader = cArray.scalar();
        ArrayReader dArray = reader.array("d");
        ScalarReader dReader = dArray.scalar();
        int j = 0;
        while (reader.next()) {
            int rowId = firstCount + reader.offset();
            assertEquals(aCount, aArray.size());
            for (int i = 0; i < aCount; i++) {
                assertTrue(aArray.next());
                assertEquals("Index " + i, rowId * aCount + i, aReader.getInt());
            }
            assertEquals(bCount, bArray.size());
            for (int i = 0; i < bCount; i++) {
                assertTrue(bArray.next());
                String cellValue = strValue + (rowId * bCount + i);
                assertEquals(cellValue, bReader.getString());
            }
            if (j > 4) {
                assertEquals(cCount, cArray.size());
                for (int i = 0; i < cCount; i++) {
                    assertTrue(cArray.next());
                    assertEquals(rowId * cCount + i, cReader.getInt());
                }
            } else {
                assertEquals(0, cArray.size());
            }
            if (j == 0 || j > 4) {
                assertEquals(dCount, dArray.size());
                for (int i = 0; i < dCount; i++) {
                    assertTrue(dArray.next());
                    assertEquals(rowId * dCount + i, dReader.getInt());
                }
            } else {
                assertEquals(0, dArray.size());
            }
            j++;
        }
        result.clear();
    }
    rsLoader.close();
}

Example 72 with RowSetLoader

use of org.apache.drill.exec.physical.resultSet.RowSetLoader in project drill by apache.

the class TestResultSetLoaderProtocol method testCloseWithoutHarvest.

/**
 * Test that memory is released if the loader is closed with an active
 * batch (that is, before the batch is harvested.)
 */
@Test
public void testCloseWithoutHarvest() {
    TupleMetadata schema = new SchemaBuilder().add("a", MinorType.INT).add("b", MinorType.VARCHAR).buildSchema();
    ResultSetLoaderImpl.ResultSetOptions options = new ResultSetOptionBuilder().readerSchema(schema).rowCountLimit(ValueVector.MAX_ROW_COUNT).build();
    ResultSetLoader rsLoader = new ResultSetLoaderImpl(fixture.allocator(), options);
    RowSetLoader rootWriter = rsLoader.writer();
    rsLoader.startBatch();
    for (int i = 0; i < 100; i++) {
        rootWriter.start();
        rootWriter.scalar("a").setInt(i);
        rootWriter.scalar("b").setString("b-" + i);
        rootWriter.save();
    }
    // Don't harvest the batch. Allocator will complain if the
    // loader does not release memory.
    rsLoader.close();
}

Example 73 with RowSetLoader

use of org.apache.drill.exec.physical.resultSet.RowSetLoader in project drill by apache.

the class TestResultSetLoaderProtocol method testInitialSchema.

/**
 * Provide a schema up front to the loader; schema is built before
 * the first row.
 * <p>
 * Also verifies the test-time method to set a row of values using
 * a single method.
 */
@Test
public void testInitialSchema() {
    TupleMetadata schema = new SchemaBuilder().add("a", MinorType.INT).addNullable("b", MinorType.INT).add("c", MinorType.VARCHAR).buildSchema();
    ResultSetLoaderImpl.ResultSetOptions options = new ResultSetOptionBuilder().readerSchema(schema).build();
    ResultSetLoader rsLoader = new ResultSetLoaderImpl(fixture.allocator(), options);
    RowSetLoader rootWriter = rsLoader.writer();
    rsLoader.startBatch();
    rootWriter.addRow(10, 100, "fred").addRow(20, null, "barney").addRow(30, 300, "wilma");
    RowSet actual = fixture.wrap(rsLoader.harvest());
    RowSet expected = fixture.rowSetBuilder(schema).addRow(10, 100, "fred").addRow(20, null, "barney").addRow(30, 300, "wilma").build();
    RowSetUtilities.verify(expected, actual);
    rsLoader.close();
}

Example 74 with RowSetLoader

use of org.apache.drill.exec.physical.resultSet.RowSetLoader in project drill by apache.

the class TestResultSetLoaderProtocol method testBasics.

@Test
public void testBasics() {
    ResultSetLoaderImpl rsLoaderImpl = new ResultSetLoaderImpl(fixture.allocator());
    ResultSetLoader rsLoader = rsLoaderImpl;
    assertEquals(0, rsLoader.schemaVersion());
    assertEquals(ResultSetLoader.DEFAULT_ROW_COUNT, rsLoader.targetRowCount());
    assertEquals(ValueVector.MAX_BUFFER_SIZE, rsLoader.targetVectorSize());
    assertEquals(0, rsLoader.writer().rowCount());
    assertEquals(0, rsLoader.batchCount());
    assertEquals(0, rsLoader.totalRowCount());
    assertTrue(rsLoader.isProjectionEmpty());
    try {
        rsLoader.harvest();
        fail();
    } catch (IllegalStateException e) {
    // Expected
    }
    // Can define schema before starting the first batch.
    RowSetLoader rootWriter = rsLoader.writer();
    TupleMetadata schema = rootWriter.tupleSchema();
    assertEquals(0, schema.size());
    MaterializedField fieldA = SchemaBuilder.columnSchema("a", MinorType.INT, DataMode.REQUIRED);
    rootWriter.addColumn(fieldA);
    assertFalse(rsLoader.isProjectionEmpty());
    assertEquals(1, schema.size());
    assertTrue(fieldA.isEquivalent(schema.column(0)));
    assertSame(schema.metadata(0), schema.metadata("a"));
    try {
        rootWriter.start();
        fail();
    } catch (IllegalStateException e) {
    // Expected
    }
    try {
        rootWriter.save();
        fail();
    } catch (IllegalStateException e) {
    // Expected
    }
    // Because writing is an inner loop; no checks are
    // done to ensure that writing occurs only in the proper
    // state. So, can't test setInt() in the wrong state.
    rsLoader.startBatch();
    try {
        rsLoader.startBatch();
        fail();
    } catch (IllegalStateException e) {
    // Expected
    }
    assertFalse(rootWriter.isFull());
    rootWriter.start();
    rootWriter.scalar(0).setInt(100);
    assertEquals(0, rootWriter.rowCount());
    assertEquals(0, rsLoader.batchCount());
    rootWriter.save();
    assertEquals(1, rootWriter.rowCount());
    assertEquals(1, rsLoader.batchCount());
    assertEquals(1, rsLoader.totalRowCount());
    // Can add a field after first row, prior rows are
    // "back-filled".
    MaterializedField fieldB = SchemaBuilder.columnSchema("b", MinorType.INT, DataMode.OPTIONAL);
    rootWriter.addColumn(fieldB);
    assertEquals(2, schema.size());
    assertTrue(fieldB.isEquivalent(schema.column(1)));
    assertSame(schema.metadata(1), schema.metadata("b"));
    rootWriter.start();
    rootWriter.scalar(0).setInt(200);
    rootWriter.scalar(1).setInt(210);
    rootWriter.save();
    assertEquals(2, rootWriter.rowCount());
    assertEquals(1, rsLoader.batchCount());
    assertEquals(2, rsLoader.totalRowCount());
    // Harvest the first batch. Version number is the number
    // of columns added.
    assertFalse(rootWriter.isFull());
    RowSet result = fixture.wrap(rsLoader.harvest());
    assertEquals(2, rsLoader.schemaVersion());
    assertEquals(0, rootWriter.rowCount());
    assertEquals(1, rsLoader.batchCount());
    assertEquals(2, rsLoader.totalRowCount());
    SingleRowSet expected = fixture.rowSetBuilder(result.batchSchema()).addRow(100, null).addRow(200, 210).build();
    RowSetUtilities.verify(expected, result);
    try {
        rootWriter.start();
        fail();
    } catch (IllegalStateException e) {
    // Expected
    }
    try {
        rsLoader.harvest();
        fail();
    } catch (IllegalStateException e) {
    // Expected
    }
    try {
        rootWriter.save();
        fail();
    } catch (IllegalStateException e) {
    // Expected
    }
    // Create a second batch
    rsLoader.startBatch();
    assertEquals(0, rootWriter.rowCount());
    assertEquals(1, rsLoader.batchCount());
    assertEquals(2, rsLoader.totalRowCount());
    rootWriter.start();
    rootWriter.scalar(0).setInt(300);
    rootWriter.scalar(1).setInt(310);
    rootWriter.save();
    assertEquals(1, rootWriter.rowCount());
    assertEquals(2, rsLoader.batchCount());
    assertEquals(3, rsLoader.totalRowCount());
    rootWriter.start();
    rootWriter.scalar(0).setInt(400);
    rootWriter.scalar(1).setInt(410);
    rootWriter.save();
    // Harvest. Schema has not changed.
    result = fixture.wrap(rsLoader.harvest());
    assertEquals(2, rsLoader.schemaVersion());
    assertEquals(0, rootWriter.rowCount());
    assertEquals(2, rsLoader.batchCount());
    assertEquals(4, rsLoader.totalRowCount());
    expected = fixture.rowSetBuilder(result.batchSchema()).addRow(300, 310).addRow(400, 410).build();
    RowSetUtilities.verify(expected, result);
    // Next batch. Schema has changed.
    rsLoader.startBatch();
    rootWriter.start();
    rootWriter.scalar(0).setInt(500);
    rootWriter.scalar(1).setInt(510);
    rootWriter.addColumn(SchemaBuilder.columnSchema("c", MinorType.INT, DataMode.OPTIONAL));
    rootWriter.scalar(2).setInt(520);
    rootWriter.save();
    rootWriter.start();
    rootWriter.scalar(0).setInt(600);
    rootWriter.scalar(1).setInt(610);
    rootWriter.scalar(2).setInt(620);
    rootWriter.save();
    result = fixture.wrap(rsLoader.harvest());
    assertEquals(3, rsLoader.schemaVersion());
    expected = fixture.rowSetBuilder(result.batchSchema()).addRow(500, 510, 520).addRow(600, 610, 620).build();
    RowSetUtilities.verify(expected, result);
    rsLoader.close();
    try {
        rootWriter.start();
        fail();
    } catch (IllegalStateException e) {
    // Expected
    }
    try {
        rsLoader.writer();
        fail();
    } catch (IllegalStateException e) {
    // Expected
    }
    try {
        rsLoader.startBatch();
        fail();
    } catch (IllegalStateException e) {
    // Expected
    }
    try {
        rsLoader.harvest();
        fail();
    } catch (IllegalStateException e) {
    // Expected
    }
    try {
        rootWriter.save();
        fail();
    } catch (IllegalStateException e) {
    // Expected
    }
    // Benign to close twice
    rsLoader.close();
}

Example 75 with RowSetLoader

use of org.apache.drill.exec.physical.resultSet.RowSetLoader in project drill by apache.

the class TestResultSetLoaderDicts method testArrayValue.

@Test
public void testArrayValue() {
    final TupleMetadata schema = new SchemaBuilder().add("a", MinorType.INT).addDict("d", MinorType.INT).repeatedValue(MinorType.INT).resumeSchema().buildSchema();
    final ResultSetLoaderImpl.ResultSetOptions options = new ResultSetOptionBuilder().readerSchema(schema).build();
    final ResultSetLoader rsLoader = new ResultSetLoaderImpl(fixture.allocator(), options);
    final RowSetLoader rootWriter = rsLoader.writer();
    // Write some rows
    rsLoader.startBatch();
    rootWriter.addRow(10, map(1, intArray(110, 120, 130), 2, intArray(111, 121))).addRow(20, map()).addRow(30, map(1, intArray(), 2, intArray(310, 320), 3, intArray(311, 321, 331, 341), 4, intArray(312, 322, 332)));
    // Validate first batch
    RowSet actual = fixture.wrap(rsLoader.harvest());
    SingleRowSet expected = fixture.rowSetBuilder(schema).addRow(10, map(1, intArray(110, 120, 130), 2, intArray(111, 121))).addRow(20, map()).addRow(30, map(1, intArray(), 2, intArray(310, 320), 3, intArray(311, 321, 331, 341), 4, intArray(312, 322, 332))).build();
    RowSetUtilities.verify(expected, actual);
    // Add another rows in the second batch.
    rsLoader.startBatch();
    rootWriter.addRow(40, map(1, intArray(410, 420))).addRow(50, map(1, intArray(510), 2, intArray(511, 531)));
    // Validate first batch. The new array should have been back-filled with
    // empty offsets for the missing rows.
    actual = fixture.wrap(rsLoader.harvest());
    expected = fixture.rowSetBuilder(actual.schema()).addRow(40, map(1, intArray(410, 420))).addRow(50, map(1, intArray(510), 2, intArray(511, 531))).build();
    RowSetUtilities.verify(expected, actual);
    rsLoader.close();
}