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

Example 31 with SimplePositionedMutableByteRange

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

the class TestTableGenerator method generateHBaseDatasetDoubleOBDesc.

public static void generateHBaseDatasetDoubleOBDesc(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 (double i = 0.5; i <= 100.00; i += 0.75) {
        byte[] bytes = new byte[9];
        PositionedByteRange br = new SimplePositionedMutableByteRange(bytes, 0, 9);
        OrderedBytes.encodeFloat64(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 32 with SimplePositionedMutableByteRange

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

the class MaprDBCompareFunctionsProcessor method getByteBuf.

@Override
protected ByteBuf getByteBuf(LogicalExpression valueArg, String encodingType) {
    switch(encodingType) {
        case "UTF8_OB":
        case "UTF8_OBD":
            if (valueArg instanceof ValueExpressions.QuotedString) {
                int stringLen = ((ValueExpressions.QuotedString) valueArg).value.getBytes(Charsets.UTF_8).length;
                ByteBuf 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, ((ValueExpressions.QuotedString) valueArg).value, Order.DESCENDING);
                    setSortOrderAscending(false);
                } else {
                    org.apache.hadoop.hbase.util.OrderedBytes.encodeString(br, ((ValueExpressions.QuotedString) valueArg).value, Order.ASCENDING);
                }
                return bb;
            }
    }
    return null;
}

Example 33 with SimplePositionedMutableByteRange

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

the class CompareFunctionsProcessor method visitConvertExpression.

@Override
public Boolean visitConvertExpression(ConvertExpression e, LogicalExpression valueArg) throws RuntimeException {
    if (ConvertExpression.CONVERT_FROM.equals(e.getConvertFunction())) {
        String encodingType = e.getEncodingType();
        int prefixLength;
        // 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")) {
                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) || (valueArg1 == null) || !(valueArg1 instanceof IntExpression) || (valueArg2 == null) || !(valueArg2 instanceof IntExpression)) {
                return false;
            }
            boolean isRowKey = ((SchemaPath) nameArg).getRootSegmentPath().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":
                    // let visitSchemaPath() handle this.
                    return e.getInput().accept(this, valueArg);
                default:
                    bb = getByteBuf(valueArg, encodingType);
            }
            if (bb != null) {
                this.value = bb.array();
                this.path = (SchemaPath) e.getInput();
                return true;
            }
        }
    }
    return false;
}

Example 34 with SimplePositionedMutableByteRange

use of org.apache.hadoop.hbase.util.SimplePositionedMutableByteRange in project hbase by apache.

the class TerminatedWrapper method decode.

@Override
public T decode(PositionedByteRange src) {
    if (wrapped.isSkippable()) {
        T ret = wrapped.decode(src);
        src.setPosition(src.getPosition() + term.length);
        return ret;
    } else {
        // find the terminator position
        int term = terminatorPosition(src);
        if (-1 == term) {
            throw new IllegalArgumentException("Terminator sequence not found.");
        }
        byte[] b = new byte[term - src.getPosition()];
        src.get(b);
        // TODO: should we assert that b.position == b.length?
        T ret = wrapped.decode(new SimplePositionedMutableByteRange(b));
        src.get(this.term);
        return ret;
    }
}

Example 35 with SimplePositionedMutableByteRange

use of org.apache.hadoop.hbase.util.SimplePositionedMutableByteRange in project hbase by apache.

the class FixedLengthWrapper method decode.

@Override
public T decode(PositionedByteRange src) {
    if (src.getRemaining() < length) {
        throw new IllegalArgumentException("Not enough buffer remaining. src.offset: " + src.getOffset() + " src.length: " + src.getLength() + " src.position: " + src.getPosition() + " max length: " + length);
    }
    // create a copy range limited to length bytes. boo.
    PositionedByteRange b = new SimplePositionedMutableByteRange(length);
    src.get(b.getBytes());
    return base.decode(b);
}