Package io.airlift.slice

Examples of io.airlift.slice.Slice

73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
                // skip null values
                if (!values.isNull()) {
                    long groupId = groupIdsBlock.getGroupId(position);

                    Slice value = values.getSlice();
                    Slice currentValue = maxValues.get(groupId);
                    if (currentValue == null || value.compareTo(currentValue) > 0) {
                        maxValues.set(groupId, value);

                        // update size
                        if (currentValue != null) {
                            sizeOfValues -= currentValue.length();
                        }
                        sizeOfValues += value.length();
                    }
                }
            }
View Full Code Here
92
93
94
95
96
97
98
99
100
101
102
        }

        @Override
        public void evaluateFinal(int groupId, BlockBuilder output)
        {
            Slice value = maxValues.get((long) groupId);
            if (value == null) {
                output.appendNull();
            }
            else {
                output.append(value);
View Full Code Here
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
                // skip null values
                if (!values.isNull()) {
                    long groupId = groupIdsBlock.getGroupId(position);

                    Slice value = values.getSlice();
                    Slice currentValue = minValues.get(groupId);
                    if (currentValue == null || value.compareTo(currentValue) < 0) {
                        minValues.set(groupId, value);

                        // update size
                        if (currentValue != null) {
                            sizeOfValues -= currentValue.length();
                        }
                        sizeOfValues += value.length();
                    }
                }
            }
View Full Code Here
91
92
93
94
95
96
97
98
99
100
101
        }

        @Override
        public void evaluateFinal(int groupId, BlockBuilder output)
        {
            Slice value = minValues.get((long) groupId);
            if (value == null) {
                output.appendNull();
            }
            else {
                output.append(value);
View Full Code Here
127
128
129
130
131
132
133
134
135
136
        return bucket;
    }

    private static int calculateHashCode(TupleInfo tupleInfo, BlockCursor cursor)
    {
        Slice slice = cursor.getRawSlice();
        int offset = cursor.getRawOffset();
        int length = tupleInfo.size(slice, offset);
        return slice.hashCode(offset, length);
    }
View Full Code Here
288
289
290
291
292
293
294
295
296
297
298
            for (int position = 0; position < block.getPositionCount(); position++) {
                checkState(values.advanceNextPosition());

                if (!values.isNull()) {
                    Slice slice = values.getSlice();
                    long inputCount = getCount(slice);
                    double inputMean = getMean(slice);
                    double inputM2 = getM2(slice);

                    // Use numerically stable variant
View Full Code Here
297
298
299
300
301
302
303
304
305
306
307
308
        else if (parameterType == Type.DOUBLE) {
            double value = values.getDouble();
            return HASH.hashLong(Double.doubleToLongBits(value)).asLong();
        }
        else if (parameterType == Type.VARIABLE_BINARY) {
            Slice value = values.getSlice();
            return HASH.hashBytes(value.getBytes()).asLong();
        }
        else {
            throw new IllegalArgumentException("Expected parameter type to be FIXED_INT_64, DOUBLE, or VARIABLE_BINARY");
        }
    }
View Full Code Here
104
105
106
107
108
109
110
111
112
113
114
                    long groupId = groupIdsBlock.getGroupId(position);

                    // todo do all of this with shifts and masks
                    long globalOffset = groupId * ENTRY_SIZE;
                    int sliceIndex = Ints.checkedCast(globalOffset / SLICE_SIZE);
                    Slice slice = slices.get(sliceIndex);
                    int sliceOffset = Ints.checkedCast(globalOffset - (sliceIndex * SLICE_SIZE));

                    long hash = hash(values, parameterType);

                    ESTIMATOR.update(hash, slice, sliceOffset + 1);
View Full Code Here
133
134
135
136
137
138
139
140
141
142
143
144
145
146
                    long groupId = groupIdsBlock.getGroupId(position);

                    // todo do all of this with shifts and masks
                    long globalOffset = groupId * ENTRY_SIZE;
                    int sliceIndex = Ints.checkedCast(globalOffset / SLICE_SIZE);
                    Slice slice = slices.get(sliceIndex);
                    int sliceOffset = Ints.checkedCast(globalOffset - (sliceIndex * SLICE_SIZE));

                    Slice input = intermediates.getSlice();

                    ESTIMATOR.mergeInto(slice, sliceOffset + 1, input, 0);
                    setNotNull(slice, sliceOffset);
                }
            }
View Full Code Here
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
        public void evaluateIntermediate(int groupId, BlockBuilder output)
        {
            // todo do all of this with shifts and masks
            long globalOffset = groupId * ENTRY_SIZE;
            int sliceIndex = Ints.checkedCast(globalOffset / SLICE_SIZE);
            Slice valueSlice = slices.get(sliceIndex);
            int valueOffset = Ints.checkedCast(globalOffset - (sliceIndex * SLICE_SIZE));

            if (isNull(valueSlice, valueOffset)) {
                output.appendNull();
            }
            else {
                Slice intermediate = valueSlice.slice(valueOffset + 1, ESTIMATOR.getSizeInBytes());
                output.append(intermediate); // TODO: add BlockBuilder.appendSlice(slice, offset, length) to avoid creating intermediate slice
            }
        }
View Full Code Here
TOP

Related Classes of io.airlift.slice.Slice

  • com.facebook.presto.benchmark.HandTpchQuery1$TpchQuery1Operator
  • com.facebook.presto.block.snappy.SnappyBlock
  • com.facebook.presto.block.snappy.SnappyBlockEncoding
  • com.facebook.presto.block.uncompressed.UncompressedBlockCursor
  • com.facebook.presto.block.uncompressed.UncompressedBooleanBlockCursor
  • com.facebook.presto.block.uncompressed.UncompressedDoubleBlockCursor
  • com.facebook.presto.block.uncompressed.UncompressedLongBlockCursor
  • com.facebook.presto.block.uncompressed.UncompressedSliceBlockCursor
  • com.facebook.presto.HashPagePartitionFunction
  • com.facebook.presto.metadata.DatabaseLocalStorageManager
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.