Java Code Examples for org.apache.hadoop.hbase.KeyValue#getFamilyOffset()
The following examples show how to use
org.apache.hadoop.hbase.KeyValue#getFamilyOffset() .
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Example 1
| Source File: IndexManagementUtil.java From phoenix with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
public static ValueGetter createGetterFromKeyValues(Collection<KeyValue> pendingUpdates) {
final Map<ReferencingColumn, ImmutableBytesPtr> valueMap = Maps.newHashMapWithExpectedSize(pendingUpdates
.size());
for (KeyValue kv : pendingUpdates) {
// create new pointers to each part of the kv
ImmutableBytesPtr family = new ImmutableBytesPtr(kv.getBuffer(), kv.getFamilyOffset(), kv.getFamilyLength());
ImmutableBytesPtr qual = new ImmutableBytesPtr(kv.getBuffer(), kv.getQualifierOffset(),
kv.getQualifierLength());
ImmutableBytesPtr value = new ImmutableBytesPtr(kv.getBuffer(), kv.getValueOffset(), kv.getValueLength());
valueMap.put(new ReferencingColumn(family, qual), value);
}
return new ValueGetter() {
@Override
public ImmutableBytesPtr getLatestValue(ColumnReference ref) throws IOException {
return valueMap.get(ReferencingColumn.wrap(ref));
}
};
}
Example 2
| Source File: SchemaUtil.java From phoenix with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
private static KeyValue upgradeTo3(KeyValue keyValue) {
byte[] buf = keyValue.getBuffer();
int newLength = keyValue.getRowLength() + 1;
byte[] newKey = new byte[newLength];
newKey[0] = QueryConstants.SEPARATOR_BYTE;
System.arraycopy(buf, keyValue.getRowOffset(), newKey, 1, keyValue.getRowLength());
byte[] valueBuf = updateValueIfNecessary(keyValue);
int valueOffset = keyValue.getValueOffset();
int valueLength = keyValue.getValueLength();
if (valueBuf != buf) {
valueOffset = 0;
valueLength = valueBuf.length;
}
return new KeyValue(newKey, 0, newLength,
buf, keyValue.getFamilyOffset(), keyValue.getFamilyLength(),
buf, keyValue.getQualifierOffset(), keyValue.getQualifierLength(),
keyValue.getTimestamp(), Type.codeToType(keyValue.getType()),
valueBuf, valueOffset, valueLength);
}
Example 3
| Source File: HBaseSailHashConflictTest.java From Halyard with Apache License 2.0 | 5 votes |
|
@BeforeClass
public static void setup() throws Exception {
try (HTable table = HalyardTableUtils.getTable(HBaseServerTestInstance.getInstanceConfig(), "testConflictingHash", true, 0)) {
long timestamp = System.currentTimeMillis();
KeyValue triple[] = HalyardTableUtils.toKeyValues(SUBJ, PRED, OBJ, null, false, timestamp);
KeyValue conflicts[][] = new KeyValue[][] {
HalyardTableUtils.toKeyValues(SUBJ, PRED, CONF, null, false, timestamp),
HalyardTableUtils.toKeyValues(SUBJ, CONF, OBJ, null, false, timestamp),
HalyardTableUtils.toKeyValues(SUBJ, CONF, CONF, null, false, timestamp),
HalyardTableUtils.toKeyValues(CONF, PRED, OBJ, null, false, timestamp),
HalyardTableUtils.toKeyValues(CONF, PRED, CONF, null, false, timestamp),
HalyardTableUtils.toKeyValues(CONF, CONF, OBJ, null, false, timestamp),
HalyardTableUtils.toKeyValues(CONF, CONF, CONF, null, false, timestamp),
};
for (int i=0; i<triple.length; i++) {
KeyValue kv = triple[i];
table.put(new Put(kv.getRowArray(), kv.getRowOffset(), kv.getRowLength(), kv.getTimestamp()).add(kv));
for (int j=0; j<conflicts.length; j++) {
KeyValue xkv = new KeyValue(kv.getRowArray(), kv.getRowOffset(), kv.getRowLength(),
kv.getFamilyArray(), kv.getFamilyOffset(), kv.getFamilyLength(),
conflicts[j][i].getQualifierArray(), conflicts[j][i].getQualifierOffset(), conflicts[j][i].getQualifierLength(),
kv.getTimestamp(), KeyValue.Type.Put,
conflicts[j][i].getValueArray(), conflicts[j][i].getValueOffset(), conflicts[j][i].getValueLength());
table.put(new Put(xkv.getRowArray(), xkv.getRowOffset(), xkv.getRowLength(), xkv.getTimestamp()).add(xkv));
}
}
table.flushCommits();
}
sail = new HBaseSail(HBaseServerTestInstance.getInstanceConfig(), "testConflictingHash", false, 0, true, 0, null, null);
sail.initialize();
}
Example 4
| Source File: UpgradeUtil.java From phoenix with Apache License 2.0 | 5 votes |
|
@SuppressWarnings("deprecation")
private static KeyValue addSaltByte(KeyValue keyValue, int nSaltBuckets) {
byte[] buf = keyValue.getBuffer();
int length = keyValue.getRowLength();
int offset = keyValue.getRowOffset();
boolean isViewSeq = length > SEQ_PREFIX_BYTES.length && Bytes.compareTo(SEQ_PREFIX_BYTES, 0, SEQ_PREFIX_BYTES.length, buf, offset, SEQ_PREFIX_BYTES.length) == 0;
if (!isViewSeq && nSaltBuckets == 0) {
return null;
}
byte[] newBuf;
if (isViewSeq) { // We messed up the name for the sequences for view indexes so we'll take this opportunity to fix it
if (buf[length-1] == 0) { // Global indexes on views have trailing null byte
length--;
}
byte[][] rowKeyMetaData = new byte[3][];
SchemaUtil.getVarChars(buf, offset, length, 0, rowKeyMetaData);
byte[] schemaName = rowKeyMetaData[PhoenixDatabaseMetaData.SCHEMA_NAME_INDEX];
byte[] unprefixedSchemaName = new byte[schemaName.length - MetaDataUtil.VIEW_INDEX_SEQUENCE_PREFIX_BYTES.length];
System.arraycopy(schemaName, MetaDataUtil.VIEW_INDEX_SEQUENCE_PREFIX_BYTES.length, unprefixedSchemaName, 0, unprefixedSchemaName.length);
byte[] tableName = rowKeyMetaData[PhoenixDatabaseMetaData.TABLE_NAME_INDEX];
PName physicalName = PNameFactory.newName(unprefixedSchemaName);
// Reformulate key based on correct data
newBuf = MetaDataUtil.getViewIndexSequenceKey(tableName == null ? null : Bytes.toString(tableName), physicalName, nSaltBuckets).getKey();
} else {
newBuf = new byte[length + 1];
System.arraycopy(buf, offset, newBuf, SaltingUtil.NUM_SALTING_BYTES, length);
newBuf[0] = SaltingUtil.getSaltingByte(newBuf, SaltingUtil.NUM_SALTING_BYTES, length, nSaltBuckets);
}
return new KeyValue(newBuf, 0, newBuf.length,
buf, keyValue.getFamilyOffset(), keyValue.getFamilyLength(),
buf, keyValue.getQualifierOffset(), keyValue.getQualifierLength(),
keyValue.getTimestamp(), KeyValue.Type.codeToType(keyValue.getType()),
buf, keyValue.getValueOffset(), keyValue.getValueLength());
}
Example 5
| Source File: StatisticsCollector.java From phoenix with Apache License 2.0 | 4 votes |
|
/**
* Update the current statistics based on the latest batch of key-values from the underlying scanner
*
* @param results
* next batch of {@link KeyValue}s
*/
public void collectStatistics(final List<Cell> results) {
Map<ImmutableBytesPtr, Boolean> famMap = Maps.newHashMap();
List<GuidePostsInfo> rowTracker = null;
if(cachedGps == null) {
rowTracker =
new ArrayList<GuidePostsInfo>();
}
for (Cell cell : results) {
KeyValue kv = KeyValueUtil.ensureKeyValue(cell);
maxTimeStamp = Math.max(maxTimeStamp, kv.getTimestamp());
Pair<Long, GuidePostsInfo> gps;
if (cachedGps == null) {
ImmutableBytesPtr cfKey = new ImmutableBytesPtr(kv.getFamilyArray(), kv.getFamilyOffset(),
kv.getFamilyLength());
gps = guidePostsMap.get(cfKey);
if (gps == null) {
gps = new Pair<Long, GuidePostsInfo>(0l, new GuidePostsInfo(0,
Collections.<byte[]> emptyList(), 0l));
guidePostsMap.put(cfKey, gps);
}
if (famMap.get(cfKey) == null) {
famMap.put(cfKey, true);
rowTracker.add(gps.getSecond());
}
} else {
gps = cachedGps;
}
int kvLength = kv.getLength();
long byteCount = gps.getFirst() + kvLength;
gps.setFirst(byteCount);
if (byteCount >= guidepostDepth) {
byte[] row = ByteUtil.copyKeyBytesIfNecessary(new ImmutableBytesWritable(kv.getRowArray(), kv
.getRowOffset(), kv.getRowLength()));
if (gps.getSecond().addGuidePost(row, byteCount)) {
gps.setFirst(0l);
}
}
}
if(cachedGps == null) {
for (GuidePostsInfo s : rowTracker) {
s.incrementRowCount();
}
} else {
cachedGps.getSecond().incrementRowCount();
}
}
Example 6
| Source File: TestBufferedDataBlockEncoder.java From hbase with Apache License 2.0 | 4 votes |
|
@Test
public void testKVCodecWithTagsForDecodedCellsWithNoTags() throws Exception {
KeyValue kv1 = new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("1"),
HConstants.LATEST_TIMESTAMP, Bytes.toBytes("1"));
// kv1.getKey() return a copy of the Key bytes which starts from RK_length. Means from offsets,
// we need to reduce the KL and VL parts.
OnheapDecodedCell c1 = new OnheapDecodedCell(kv1.getKey(), kv1.getRowLength(),
kv1.getFamilyOffset() - KeyValue.ROW_OFFSET, kv1.getFamilyLength(),
kv1.getQualifierOffset() - KeyValue.ROW_OFFSET, kv1.getQualifierLength(),
kv1.getTimestamp(), kv1.getTypeByte(), kv1.getValueArray(), kv1.getValueOffset(),
kv1.getValueLength(), kv1.getSequenceId(), kv1.getTagsArray(), kv1.getTagsOffset(),
kv1.getTagsLength());
KeyValue kv2 = new KeyValue(Bytes.toBytes("r2"), Bytes.toBytes("f"), Bytes.toBytes("2"),
HConstants.LATEST_TIMESTAMP, Bytes.toBytes("2"));
OnheapDecodedCell c2 = new OnheapDecodedCell(kv2.getKey(), kv2.getRowLength(),
kv2.getFamilyOffset() - KeyValue.ROW_OFFSET, kv2.getFamilyLength(),
kv2.getQualifierOffset() - KeyValue.ROW_OFFSET, kv2.getQualifierLength(),
kv2.getTimestamp(), kv2.getTypeByte(), kv2.getValueArray(), kv2.getValueOffset(),
kv2.getValueLength(), kv2.getSequenceId(), kv2.getTagsArray(), kv2.getTagsOffset(),
kv2.getTagsLength());
KeyValue kv3 = new KeyValue(Bytes.toBytes("r3"), Bytes.toBytes("cf"), Bytes.toBytes("qual"),
HConstants.LATEST_TIMESTAMP, Bytes.toBytes("3"));
BufferedDataBlockEncoder.OffheapDecodedExtendedCell
c3 = new BufferedDataBlockEncoder.OffheapDecodedExtendedCell(ByteBuffer.wrap(kv2.getKey()),
kv2.getRowLength(), kv2.getFamilyOffset() - KeyValue.ROW_OFFSET, kv2.getFamilyLength(),
kv2.getQualifierOffset() - KeyValue.ROW_OFFSET, kv2.getQualifierLength(),
kv2.getTimestamp(), kv2.getTypeByte(), ByteBuffer.wrap(kv2.getValueArray()),
kv2.getValueOffset(), kv2.getValueLength(), kv2.getSequenceId(),
ByteBuffer.wrap(kv2.getTagsArray()), kv2.getTagsOffset(), kv2.getTagsLength());
ByteArrayOutputStream os = new ByteArrayOutputStream();
KeyValueCodecWithTags codec = new KeyValueCodecWithTags();
Encoder encoder = codec.getEncoder(os);
encoder.write(c1);
encoder.write(c2);
encoder.write(c3);
ByteArrayInputStream is = new ByteArrayInputStream(os.toByteArray());
Decoder decoder = codec.getDecoder(is);
assertTrue(decoder.advance());
assertTrue(CellUtil.equals(c1, decoder.current()));
assertTrue(decoder.advance());
assertTrue(CellUtil.equals(c2, decoder.current()));
assertTrue(decoder.advance());
assertTrue(CellUtil.equals(c3, decoder.current()));
assertFalse(decoder.advance());
}
