Examples with PositionedByteRange org.apache.hadoop.hbase.util.PositionedByteRange used on opensource projects

Example 1 with PositionedByteRange

use of org.apache.hadoop.hbase.util.PositionedByteRange in project drill by axbaretto.

the class CompareFunctionsProcessor method visitConvertExpression.

@Override
public Boolean visitConvertExpression(ConvertExpression e, LogicalExpression valueArg) throws RuntimeException {
    if (e.getConvertFunction() == ConvertExpression.CONVERT_FROM) {
        String encodingType = e.getEncodingType();
        int prefixLength = 0;
        // CONVERT_FROM(BYTE_SUBSTR(row_key, 1, 8), 'DATE_EPOCH_BE') < DATE '2015-06-17'
        if (e.getInput() instanceof FunctionCall) {
            // We can prune scan range only for big-endian encoded data
            if (encodingType.endsWith("_BE") == false) {
                return false;
            }
            FunctionCall call = (FunctionCall) e.getInput();
            String functionName = call.getName();
            if (!functionName.equalsIgnoreCase("byte_substr")) {
                return false;
            }
            LogicalExpression nameArg = call.args.get(0);
            LogicalExpression valueArg1 = call.args.size() >= 2 ? call.args.get(1) : null;
            LogicalExpression valueArg2 = call.args.size() >= 3 ? call.args.get(2) : null;
            if (((nameArg instanceof SchemaPath) == false) || (valueArg1 == null) || ((valueArg1 instanceof IntExpression) == false) || (valueArg2 == null) || ((valueArg2 instanceof IntExpression) == false)) {
                return false;
            }
            boolean isRowKey = ((SchemaPath) nameArg).getAsUnescapedPath().equals(DrillHBaseConstants.ROW_KEY);
            int offset = ((IntExpression) valueArg1).getInt();
            if (!isRowKey || (offset != 1)) {
                return false;
            }
            this.path = (SchemaPath) nameArg;
            prefixLength = ((IntExpression) valueArg2).getInt();
            this.isRowKeyPrefixComparison = true;
            return visitRowKeyPrefixConvertExpression(e, prefixLength, valueArg);
        }
        if (e.getInput() instanceof SchemaPath) {
            ByteBuf bb = null;
            switch(encodingType) {
                case "INT_BE":
                case "INT":
                case "UINT_BE":
                case "UINT":
                case "UINT4_BE":
                case "UINT4":
                    if (valueArg instanceof IntExpression && (isEqualityFn || encodingType.startsWith("U"))) {
                        bb = newByteBuf(4, encodingType.endsWith("_BE"));
                        bb.writeInt(((IntExpression) valueArg).getInt());
                    }
                    break;
                case "BIGINT_BE":
                case "BIGINT":
                case "UINT8_BE":
                case "UINT8":
                    if (valueArg instanceof LongExpression && (isEqualityFn || encodingType.startsWith("U"))) {
                        bb = newByteBuf(8, encodingType.endsWith("_BE"));
                        bb.writeLong(((LongExpression) valueArg).getLong());
                    }
                    break;
                case "FLOAT":
                    if (valueArg instanceof FloatExpression && isEqualityFn) {
                        bb = newByteBuf(4, true);
                        bb.writeFloat(((FloatExpression) valueArg).getFloat());
                    }
                    break;
                case "DOUBLE":
                    if (valueArg instanceof DoubleExpression && isEqualityFn) {
                        bb = newByteBuf(8, true);
                        bb.writeDouble(((DoubleExpression) valueArg).getDouble());
                    }
                    break;
                case "TIME_EPOCH":
                case "TIME_EPOCH_BE":
                    if (valueArg instanceof TimeExpression) {
                        bb = newByteBuf(8, encodingType.endsWith("_BE"));
                        bb.writeLong(((TimeExpression) valueArg).getTime());
                    }
                    break;
                case "DATE_EPOCH":
                case "DATE_EPOCH_BE":
                    if (valueArg instanceof DateExpression) {
                        bb = newByteBuf(8, encodingType.endsWith("_BE"));
                        bb.writeLong(((DateExpression) valueArg).getDate());
                    }
                    break;
                case "BOOLEAN_BYTE":
                    if (valueArg instanceof BooleanExpression) {
                        bb = newByteBuf(1, false);
                        bb.writeByte(((BooleanExpression) valueArg).getBoolean() ? 1 : 0);
                    }
                    break;
                case "DOUBLE_OB":
                case "DOUBLE_OBD":
                    if (valueArg instanceof DoubleExpression) {
                        bb = newByteBuf(9, true);
                        PositionedByteRange br = new SimplePositionedMutableByteRange(bb.array(), 0, 9);
                        if (encodingType.endsWith("_OBD")) {
                            org.apache.hadoop.hbase.util.OrderedBytes.encodeFloat64(br, ((DoubleExpression) valueArg).getDouble(), Order.DESCENDING);
                            this.sortOrderAscending = false;
                        } else {
                            org.apache.hadoop.hbase.util.OrderedBytes.encodeFloat64(br, ((DoubleExpression) valueArg).getDouble(), Order.ASCENDING);
                        }
                    }
                    break;
                case "FLOAT_OB":
                case "FLOAT_OBD":
                    if (valueArg instanceof FloatExpression) {
                        bb = newByteBuf(5, true);
                        PositionedByteRange br = new SimplePositionedMutableByteRange(bb.array(), 0, 5);
                        if (encodingType.endsWith("_OBD")) {
                            org.apache.hadoop.hbase.util.OrderedBytes.encodeFloat32(br, ((FloatExpression) valueArg).getFloat(), Order.DESCENDING);
                            this.sortOrderAscending = false;
                        } else {
                            org.apache.hadoop.hbase.util.OrderedBytes.encodeFloat32(br, ((FloatExpression) valueArg).getFloat(), Order.ASCENDING);
                        }
                    }
                    break;
                case "BIGINT_OB":
                case "BIGINT_OBD":
                    if (valueArg instanceof LongExpression) {
                        bb = newByteBuf(9, true);
                        PositionedByteRange br = new SimplePositionedMutableByteRange(bb.array(), 0, 9);
                        if (encodingType.endsWith("_OBD")) {
                            org.apache.hadoop.hbase.util.OrderedBytes.encodeInt64(br, ((LongExpression) valueArg).getLong(), Order.DESCENDING);
                            this.sortOrderAscending = false;
                        } else {
                            org.apache.hadoop.hbase.util.OrderedBytes.encodeInt64(br, ((LongExpression) valueArg).getLong(), Order.ASCENDING);
                        }
                    }
                    break;
                case "INT_OB":
                case "INT_OBD":
                    if (valueArg instanceof IntExpression) {
                        bb = newByteBuf(5, true);
                        PositionedByteRange br = new SimplePositionedMutableByteRange(bb.array(), 0, 5);
                        if (encodingType.endsWith("_OBD")) {
                            org.apache.hadoop.hbase.util.OrderedBytes.encodeInt32(br, ((IntExpression) valueArg).getInt(), Order.DESCENDING);
                            this.sortOrderAscending = false;
                        } else {
                            org.apache.hadoop.hbase.util.OrderedBytes.encodeInt32(br, ((IntExpression) valueArg).getInt(), Order.ASCENDING);
                        }
                    }
                    break;
                case "UTF8_OB":
                case "UTF8_OBD":
                    if (valueArg instanceof QuotedString) {
                        int stringLen = ((QuotedString) valueArg).value.getBytes(Charsets.UTF_8).length;
                        bb = newByteBuf(stringLen + 2, true);
                        PositionedByteRange br = new SimplePositionedMutableByteRange(bb.array(), 0, stringLen + 2);
                        if (encodingType.endsWith("_OBD")) {
                            org.apache.hadoop.hbase.util.OrderedBytes.encodeString(br, ((QuotedString) valueArg).value, Order.DESCENDING);
                            this.sortOrderAscending = false;
                        } else {
                            org.apache.hadoop.hbase.util.OrderedBytes.encodeString(br, ((QuotedString) valueArg).value, Order.ASCENDING);
                        }
                    }
                    break;
                case "UTF8":
                    // let visitSchemaPath() handle this.
                    return e.getInput().accept(this, valueArg);
            }
            if (bb != null) {
                this.value = bb.array();
                this.path = (SchemaPath) e.getInput();
                return true;
            }
        }
    }
    return false;
}

Example 2 with PositionedByteRange

use of org.apache.hadoop.hbase.util.PositionedByteRange in project drill by axbaretto.

the class TestTableGenerator method generateHBaseDatasetBigIntOBDesc.

public static void generateHBaseDatasetBigIntOBDesc(Connection conn, Admin admin, TableName tableName, int numberRegions) throws Exception {
    if (admin.tableExists(tableName)) {
        admin.disableTable(tableName);
        admin.deleteTable(tableName);
    }
    HTableDescriptor desc = new HTableDescriptor(tableName);
    desc.addFamily(new HColumnDescriptor(FAMILY_F));
    if (numberRegions > 1) {
        admin.createTable(desc, Arrays.copyOfRange(SPLIT_KEYS, 0, numberRegions - 1));
    } else {
        admin.createTable(desc);
    }
    BufferedMutator table = conn.getBufferedMutator(tableName);
    long startTime = (long) 1438034423 * 1000;
    for (long i = startTime; i <= startTime + 100; i++) {
        byte[] bytes = new byte[9];
        PositionedByteRange br = new SimplePositionedMutableByteRange(bytes, 0, 9);
        OrderedBytes.encodeInt64(br, i, Order.DESCENDING);
        Put p = new Put(bytes);
        p.addColumn(FAMILY_F, COLUMN_C, String.format("value %d", i).getBytes());
        table.mutate(p);
    }
    table.close();
    admin.flush(tableName);
}

Example 3 with PositionedByteRange

use of org.apache.hadoop.hbase.util.PositionedByteRange in project drill by axbaretto.

the class TestTableGenerator method generateHBaseDatasetBigIntOB.

public static void generateHBaseDatasetBigIntOB(Connection conn, Admin admin, TableName tableName, int numberRegions) throws Exception {
    if (admin.tableExists(tableName)) {
        admin.disableTable(tableName);
        admin.deleteTable(tableName);
    }
    HTableDescriptor desc = new HTableDescriptor(tableName);
    desc.addFamily(new HColumnDescriptor(FAMILY_F));
    if (numberRegions > 1) {
        admin.createTable(desc, Arrays.copyOfRange(SPLIT_KEYS, 0, numberRegions - 1));
    } else {
        admin.createTable(desc);
    }
    BufferedMutator table = conn.getBufferedMutator(tableName);
    long startTime = (long) 1438034423 * 1000;
    for (long i = startTime; i <= startTime + 100; i++) {
        byte[] bytes = new byte[9];
        PositionedByteRange br = new SimplePositionedMutableByteRange(bytes, 0, 9);
        OrderedBytes.encodeInt64(br, i, Order.ASCENDING);
        Put p = new Put(bytes);
        p.addColumn(FAMILY_F, COLUMN_C, String.format("value %d", i).getBytes());
        table.mutate(p);
    }
    table.close();
    admin.flush(tableName);
}

Example 4 with PositionedByteRange

use of org.apache.hadoop.hbase.util.PositionedByteRange in project drill by axbaretto.

the class TestTableGenerator method generateHBaseDatasetFloatOBDesc.

public static void generateHBaseDatasetFloatOBDesc(Connection conn, Admin admin, TableName tableName, int numberRegions) throws Exception {
    if (admin.tableExists(tableName)) {
        admin.disableTable(tableName);
        admin.deleteTable(tableName);
    }
    HTableDescriptor desc = new HTableDescriptor(tableName);
    desc.addFamily(new HColumnDescriptor(FAMILY_F));
    if (numberRegions > 1) {
        admin.createTable(desc, Arrays.copyOfRange(SPLIT_KEYS, 0, numberRegions - 1));
    } else {
        admin.createTable(desc);
    }
    BufferedMutator table = conn.getBufferedMutator(tableName);
    for (float i = (float) 0.5; i <= 100.00; i += 0.75) {
        byte[] bytes = new byte[5];
        PositionedByteRange br = new SimplePositionedMutableByteRange(bytes, 0, 5);
        OrderedBytes.encodeFloat32(br, i, Order.DESCENDING);
        Put p = new Put(bytes);
        p.addColumn(FAMILY_F, COLUMN_C, String.format("value %03f", i).getBytes());
        table.mutate(p);
    }
    table.close();
    admin.flush(tableName);
}

Example 5 with PositionedByteRange

use of org.apache.hadoop.hbase.util.PositionedByteRange in project drill by axbaretto.

the class TestTableGenerator method generateHBaseDatasetIntOBDesc.

public static void generateHBaseDatasetIntOBDesc(Connection conn, Admin admin, TableName tableName, int numberRegions) throws Exception {
    if (admin.tableExists(tableName)) {
        admin.disableTable(tableName);
        admin.deleteTable(tableName);
    }
    HTableDescriptor desc = new HTableDescriptor(tableName);
    desc.addFamily(new HColumnDescriptor(FAMILY_F));
    if (numberRegions > 1) {
        admin.createTable(desc, Arrays.copyOfRange(SPLIT_KEYS, 0, numberRegions - 1));
    } else {
        admin.createTable(desc);
    }
    BufferedMutator table = conn.getBufferedMutator(tableName);
    for (int i = -49; i <= 100; i++) {
        byte[] bytes = new byte[5];
        PositionedByteRange br = new SimplePositionedMutableByteRange(bytes, 0, 5);
        OrderedBytes.encodeInt32(br, i, Order.DESCENDING);
        Put p = new Put(bytes);
        p.addColumn(FAMILY_F, COLUMN_C, String.format("value %d", i).getBytes());
        table.mutate(p);
    }
    table.close();
    admin.flush(tableName);
}