Examples with ColumnSize org.apache.drill.exec.record.RecordBatchSizer.ColumnSize used on opensource projects

Example 1 with ColumnSize

use of org.apache.drill.exec.record.RecordBatchSizer.ColumnSize in project drill by axbaretto.

the class TestRecordBatchSizer method testSizerNullableFixedWidth.

@Test
public void testSizerNullableFixedWidth() {
    BatchSchema schema = new SchemaBuilder().addNullable("a", MinorType.BIGINT).addNullable("b", MinorType.FLOAT8).build();
    RowSetBuilder builder = fixture.rowSetBuilder(schema);
    for (long i = 0; i < 10; i++) {
        builder.addRow(i, i * 0.1);
    }
    RowSet rows = builder.build();
    // Run the record batch sizer on the resulting batch.
    RecordBatchSizer sizer = new RecordBatchSizer(rows.container());
    assertEquals(2, sizer.columns().size());
    ColumnSize aColumn = sizer.columns().get("a");
    ColumnSize bColumn = sizer.columns().get("b");
    /**
     * stdDataSize:8, stdNetSize:8+1, dataSizePerEntry:8, netSizePerEntry:8+1,
     * totalDataSize:8*10, totalNetSize:(8+1)*10, valueCount:10,
     * elementCount:10, estElementCountPerArray:1, isVariableWidth:false
     */
    verifyColumnValues(aColumn, 8, 9, 8, 9, 80, 90, 10, 10, 1, false);
    verifyColumnValues(bColumn, 8, 9, 8, 9, 80, 90, 10, 10, 1, false);
    SingleRowSet empty = fixture.rowSet(schema);
    VectorAccessible accessible = empty.vectorAccessible();
    ValueVector bitVector, valueVector;
    for (VectorWrapper<?> vw : accessible) {
        ValueVector v = vw.getValueVector();
        RecordBatchSizer.ColumnSize colSize = sizer.getColumn(v.getField().getName());
        // Allocates to nearest power of two
        colSize.allocateVector(v, testRowCount);
        bitVector = ((NullableVector) v).getBitsVector();
        assertEquals((Integer.highestOneBit(testRowCount) << 1), bitVector.getValueCapacity());
        valueVector = ((NullableVector) v).getValuesVector();
        assertEquals(Integer.highestOneBit(testRowCount << 1), valueVector.getValueCapacity());
        v.clear();
        // Allocates the same as value passed since it is already power of two.
        colSize.allocateVector(v, testRowCountPowerTwo);
        bitVector = ((NullableVector) v).getBitsVector();
        assertEquals(testRowCountPowerTwo, bitVector.getValueCapacity());
        valueVector = ((NullableVector) v).getValuesVector();
        assertEquals(testRowCountPowerTwo, valueVector.getValueCapacity());
        v.clear();
        // Allocate for max rows.
        colSize.allocateVector(v, ValueVector.MAX_ROW_COUNT);
        bitVector = ((NullableVector) v).getBitsVector();
        assertEquals(ValueVector.MAX_ROW_COUNT, bitVector.getValueCapacity());
        valueVector = ((NullableVector) v).getValuesVector();
        assertEquals(ValueVector.MAX_ROW_COUNT, valueVector.getValueCapacity());
        v.clear();
        // Allocate for 0 rows. should atleast do allocation for 1 row.
        colSize.allocateVector(v, 0);
        bitVector = ((NullableVector) v).getBitsVector();
        assertEquals(ValueVector.MIN_ROW_COUNT, bitVector.getValueCapacity());
        valueVector = ((NullableVector) v).getValuesVector();
        assertEquals(ValueVector.MIN_ROW_COUNT, valueVector.getValueCapacity());
        v.clear();
    }
    empty.clear();
    rows.clear();
}

Example 2 with ColumnSize

use of org.apache.drill.exec.record.RecordBatchSizer.ColumnSize in project drill by axbaretto.

the class TestRecordBatchSizer method testEmptyVariableWidthVector.

/**
 * Test to verify that record batch sizer handles the actual empty vectors correctly. RowSetBuilder by default
 * allocates Drillbuf of 10bytes for each vector type which makes their capacity >0 and not ==0 which will be in
 * case of empty vectors.
 */
@Test
public void testEmptyVariableWidthVector() {
    final BatchSchema schema = new SchemaBuilder().add("key", MinorType.INT).add("value", MinorType.VARCHAR).build();
    final RowSetBuilder builder = fixture.rowSetBuilder(schema);
    final RowSet rows = builder.build();
    // Release the initial bytes allocated by RowSetBuilder
    VectorAccessibleUtilities.clear(rows.container());
    try {
        // Create RecordBatchSizer for this empty container and it should not fail
        final RecordBatchSizer sizer = new RecordBatchSizer(rows.container());
        int totalDataSize = 0;
        for (ColumnSize colSize : sizer.columns().values()) {
            totalDataSize += colSize.getTotalDataSize();
        }
        // Verify that the totalDataSize for all the columns is zero
        assertEquals(0, totalDataSize);
    } catch (Exception ex) {
        fail();
    } finally {
        rows.clear();
    }
}

Example 3 with ColumnSize

use of org.apache.drill.exec.record.RecordBatchSizer.ColumnSize in project drill by apache.

the class TestRecordBatchSizer method testSizerNullableFixedWidth.

@Test
public void testSizerNullableFixedWidth() {
    TupleMetadata schema = new SchemaBuilder().addNullable("a", MinorType.BIGINT).addNullable("b", MinorType.FLOAT8).buildSchema();
    RowSetBuilder builder = fixture.rowSetBuilder(schema);
    for (long i = 0; i < 10; i++) {
        builder.addRow(i, i * 0.1);
    }
    RowSet rows = builder.build();
    // Run the record batch sizer on the resulting batch.
    RecordBatchSizer sizer = new RecordBatchSizer(rows.container());
    assertEquals(2, sizer.columns().size());
    ColumnSize aColumn = sizer.columns().get("a");
    ColumnSize bColumn = sizer.columns().get("b");
    /**
     * stdDataSize:8, stdNetSize:8+1, dataSizePerEntry:8, netSizePerEntry:8+1,
     * totalDataSize:8*5, totalNetSize:(8+1)*5, valueCount:10,
     * elementCount:10, cardinality:1, isVariableWidth:false
     */
    verifyColumnValues(aColumn, 8, 9, 8, 9, 80, 90, 10, 10, 1, false);
    verifyColumnValues(bColumn, 8, 9, 8, 9, 80, 90, 10, 10, 1, false);
    SingleRowSet empty = fixture.rowSet(schema);
    VectorAccessible accessible = empty.vectorAccessible();
    ValueVector bitVector, valueVector;
    for (VectorWrapper<?> vw : accessible) {
        ValueVector v = vw.getValueVector();
        RecordBatchSizer.ColumnSize colSize = sizer.getColumn(v.getField().getName());
        // Allocates to nearest power of two
        colSize.allocateVector(v, testRowCount);
        bitVector = ((NullableVector) v).getBitsVector();
        assertEquals((Integer.highestOneBit(testRowCount) << 1), bitVector.getValueCapacity());
        valueVector = ((NullableVector) v).getValuesVector();
        assertEquals(Integer.highestOneBit(testRowCount << 1), valueVector.getValueCapacity());
        v.clear();
        // Allocates the same as value passed since it is already power of two.
        colSize.allocateVector(v, testRowCountPowerTwo);
        bitVector = ((NullableVector) v).getBitsVector();
        assertEquals(testRowCountPowerTwo, bitVector.getValueCapacity());
        valueVector = ((NullableVector) v).getValuesVector();
        assertEquals(testRowCountPowerTwo, valueVector.getValueCapacity());
        v.clear();
        // Allocate for max rows.
        colSize.allocateVector(v, ValueVector.MAX_ROW_COUNT);
        bitVector = ((NullableVector) v).getBitsVector();
        assertEquals(ValueVector.MAX_ROW_COUNT, bitVector.getValueCapacity());
        valueVector = ((NullableVector) v).getValuesVector();
        assertEquals(ValueVector.MAX_ROW_COUNT, valueVector.getValueCapacity());
        v.clear();
        // Allocate for 0 rows. should atleast do allocation for 1 row.
        colSize.allocateVector(v, 0);
        bitVector = ((NullableVector) v).getBitsVector();
        assertEquals(ValueVector.MIN_ROW_COUNT, bitVector.getValueCapacity());
        valueVector = ((NullableVector) v).getValuesVector();
        assertEquals(ValueVector.MIN_ROW_COUNT, valueVector.getValueCapacity());
        v.clear();
    }
    empty.clear();
    rows.clear();
}

Example 4 with ColumnSize

use of org.apache.drill.exec.record.RecordBatchSizer.ColumnSize in project drill by apache.

the class TestRecordBatchSizer method testSizerVariableWidth.

@Test
public void testSizerVariableWidth() {
    TupleMetadata schema = new SchemaBuilder().add("a", MinorType.VARCHAR).buildSchema();
    RowSetBuilder builder = fixture.rowSetBuilder(schema);
    StringBuilder stringBuilder = new StringBuilder();
    // a, aa, aaa, ... aaaaaaaaaa. totalSize = (10*11)/2 = 55
    for (long i = 0; i < 10; i++) {
        stringBuilder.append("a");
        builder.addRow(stringBuilder.toString());
    }
    RowSet rows = builder.build();
    // Run the record batch sizer on the resulting batch.
    RecordBatchSizer sizer = new RecordBatchSizer(rows.container());
    assertEquals(1, sizer.columns().size());
    ColumnSize aColumn = sizer.columns().get("a");
    /**
     * stdDataSize:50, stdNetSize:50+4, dataSizePerEntry:8, netSizePerEntry:8,
     * totalDataSize:(10*11)/2, totalNetSize:(10*11)/2 + 4*10, valueCount:10,
     * elementCount:10, cardinality:1, isVariableWidth:true
     */
    verifyColumnValues(aColumn, 50, 54, 6, 10, 55, 95, 10, 10, 1, true);
    SingleRowSet empty = fixture.rowSet(schema);
    VectorAccessible accessible = empty.vectorAccessible();
    UInt4Vector offsetVector;
    for (VectorWrapper<?> vw : accessible) {
        ValueVector v = vw.getValueVector();
        RecordBatchSizer.ColumnSize colSize = sizer.getColumn(v.getField().getName());
        // Allocates to nearest power of two
        colSize.allocateVector(v, testRowCount);
        offsetVector = ((VariableWidthVector) v).getOffsetVector();
        assertEquals((Integer.highestOneBit(testRowCount) << 1), offsetVector.getValueCapacity());
        assertEquals(Integer.highestOneBit(testRowCount << 1) - 1, v.getValueCapacity());
        v.clear();
        // Allocates the same as value passed since it is already power of two.
        // -1 is done for adjustment needed for offset vector.
        colSize.allocateVector(v, testRowCountPowerTwo - 1);
        offsetVector = ((VariableWidthVector) v).getOffsetVector();
        assertEquals(testRowCountPowerTwo, offsetVector.getValueCapacity());
        assertEquals(testRowCountPowerTwo - 1, v.getValueCapacity());
        v.clear();
        // Allocate for max rows.
        colSize.allocateVector(v, ValueVector.MAX_ROW_COUNT - 1);
        offsetVector = ((VariableWidthVector) v).getOffsetVector();
        assertEquals(ValueVector.MAX_ROW_COUNT, offsetVector.getValueCapacity());
        assertEquals(ValueVector.MAX_ROW_COUNT - 1, v.getValueCapacity());
        v.clear();
        // Allocate for 0 rows. should atleast do allocation for 1 row.
        colSize.allocateVector(v, 0);
        offsetVector = ((VariableWidthVector) v).getOffsetVector();
        assertEquals(ValueVector.MIN_ROW_COUNT + 1, offsetVector.getValueCapacity());
        assertEquals(ValueVector.MIN_ROW_COUNT, v.getValueCapacity());
        v.clear();
    }
    empty.clear();
    rows.clear();
}

Example 5 with ColumnSize

use of org.apache.drill.exec.record.RecordBatchSizer.ColumnSize in project drill by apache.

the class TestRecordBatchSizer method testEmptyBatchRepeatedVariableWidth.

@Test
public void testEmptyBatchRepeatedVariableWidth() {
    TupleMetadata schema = new SchemaBuilder().addArray("b", MinorType.VARCHAR).buildSchema();
    RowSetBuilder builder = fixture.rowSetBuilder(schema);
    RowSet rows = builder.build();
    // Run the record batch sizer on the resulting batch.
    RecordBatchSizer sizer = new RecordBatchSizer(rows.container());
    assertEquals(1, sizer.columns().size());
    ColumnSize bColumn = sizer.columns().get("b");
    /**
     * stdDataSize:50*5, stdNetSize:50*5+4*10+4, dataSizePerEntry:0, netSizePerEntry:0,
     * totalDataSize:0, totalNetSize:0, valueCount:0,
     * elementCount:0, cardinality:0, isVariableWidth:true
     */
    verifyColumnValues(bColumn, 250, 274, 0, 0, 0, 0, 0, 0, 0, true);
    // Verify memory allocation is done correctly based on std size for empty batch.
    SingleRowSet empty = fixture.rowSet(schema);
    VectorAccessible accessible = empty.vectorAccessible();
    for (VectorWrapper<?> vw : accessible) {
        ValueVector v = vw.getValueVector();
        RecordBatchSizer.ColumnSize colSize = sizer.getColumn(v.getField().getName());
        // Allocates to nearest power of two
        colSize.allocateVector(v, testRowCount - 1);
        UInt4Vector offsetVector = ((RepeatedValueVector) v).getOffsetVector();
        assertEquals(Integer.highestOneBit(testRowCount) << 1, offsetVector.getValueCapacity());
        VariableWidthVector vwVector = ((VariableWidthVector) ((RepeatedValueVector) v).getDataVector());
        offsetVector = vwVector.getOffsetVector();
        assertEquals((Integer.highestOneBit((testRowCount - 1) * STD_REPETITION_FACTOR) << 1), offsetVector.getValueCapacity());
        assertEquals(Integer.highestOneBit((testRowCount - 1) * STD_REPETITION_FACTOR << 1) - 1, vwVector.getValueCapacity());
        v.clear();
        // Allocates the same as value passed since it is already power of two.
        colSize.allocateVector(v, testRowCountPowerTwo);
        offsetVector = ((RepeatedValueVector) v).getOffsetVector();
        assertEquals((Integer.highestOneBit(testRowCountPowerTwo) << 1), offsetVector.getValueCapacity());
        vwVector = ((VariableWidthVector) ((RepeatedValueVector) v).getDataVector());
        offsetVector = vwVector.getOffsetVector();
        assertEquals((Integer.highestOneBit((int) (testRowCountPowerTwo * STD_REPETITION_FACTOR)) << 1), offsetVector.getValueCapacity());
        assertEquals(Integer.highestOneBit(testRowCountPowerTwo * STD_REPETITION_FACTOR << 1) - 1, vwVector.getValueCapacity());
        v.clear();
        // Allocate for max rows.
        colSize.allocateVector(v, ValueVector.MAX_ROW_COUNT);
        offsetVector = ((RepeatedValueVector) v).getOffsetVector();
        assertEquals(ValueVector.MAX_ROW_COUNT << 1, offsetVector.getValueCapacity());
        vwVector = ((VariableWidthVector) ((RepeatedValueVector) v).getDataVector());
        offsetVector = vwVector.getOffsetVector();
        assertEquals((Integer.highestOneBit((int) (ValueVector.MAX_ROW_COUNT * STD_REPETITION_FACTOR)) << 1), offsetVector.getValueCapacity());
        assertEquals(Integer.highestOneBit(ValueVector.MAX_ROW_COUNT * STD_REPETITION_FACTOR << 1) - 1, vwVector.getValueCapacity());
        v.clear();
        // Allocate for 0 rows. should atleast do allocation for 1 row.
        colSize.allocateVector(v, 0);
        offsetVector = ((RepeatedValueVector) v).getOffsetVector();
        assertEquals(ValueVector.MIN_ROW_COUNT + 1, offsetVector.getValueCapacity());
        vwVector = ((VariableWidthVector) ((RepeatedValueVector) v).getDataVector());
        offsetVector = vwVector.getOffsetVector();
        assertEquals(ValueVector.MIN_ROW_COUNT + 1, offsetVector.getValueCapacity());
        assertEquals(ValueVector.MIN_ROW_COUNT, vwVector.getValueCapacity());
        v.clear();
    }
    empty.clear();
    rows.clear();
}