Java Code Examples for org.apache.hadoop.hbase.client.Scan#getStartRow()
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org.apache.hadoop.hbase.client.Scan#getStartRow() .
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Example 1
Source File: StoreFileReader.java From hbase with Apache License 2.0 | 6 votes |
/** * A method for checking Bloom filters. Called directly from * StoreFileScanner in case of a multi-column query. * * @return True if passes */ private boolean passesGeneralRowPrefixBloomFilter(Scan scan) { BloomFilter bloomFilter = this.generalBloomFilter; if (bloomFilter == null) { return true; } byte[] row = scan.getStartRow(); byte[] rowPrefix; if (scan.isGetScan()) { rowPrefix = Bytes.copy(row, 0, Math.min(prefixLength, row.length)); } else { // For non-get scans // Find out the common prefix of startRow and stopRow. int commonLength = Bytes.findCommonPrefix(scan.getStartRow(), scan.getStopRow(), scan.getStartRow().length, scan.getStopRow().length, 0, 0); // startRow and stopRow don't have the common prefix. // Or the common prefix length is less than prefixLength if (commonLength <= 0 || commonLength < prefixLength) { return true; } rowPrefix = Bytes.copy(row, 0, prefixLength); } return checkGeneralBloomFilter(rowPrefix, null, bloomFilter); }
Example 2
Source File: SMRecordReaderImplIT.java From spliceengine with GNU Affero General Public License v3.0 | 6 votes |
@Test public void singleRegionScanWithOneStoreFileAndMemstore() throws Exception { List<String> names = new ArrayList<String>(); names.add("COL1"); names.add("COL2"); config.set(MRConstants.SPLICE_SCAN_INFO, sqlUtil.getTableScannerBuilder(SMRecordReaderImplIT.class.getSimpleName() + ".B", names).base64Encode()); SMRecordReaderImpl rr = new SMRecordReaderImpl(config); TableName tableName = TableName.valueOf(sqlUtil.getConglomID(SMRecordReaderImplIT.class.getSimpleName() + ".B")); try (Connection connection = ConnectionFactory.createConnection(config)) { Table table = connection.getTable(tableName); Scan scan = new Scan(); rr.setHTable(table); rr.setScan(scan); SMSplit tableSplit = new SMSplit(new TableSplit(tableName, scan.getStartRow(), scan.getStopRow(), "sdfsdf")); rr.initialize(tableSplit, null); int i = 0; while (rr.nextKeyValue()) { i++; Assert.assertNotNull("Column 1 is null", rr.getCurrentValue().getColumn(1)); Assert.assertNotNull("Column 2 is null", rr.getCurrentValue().getColumn(2)); Assert.assertNotNull("Current Key is null", rr.getCurrentKey()); } Assert.assertEquals("incorrect results returned", 1000, i); } }
Example 3
Source File: SMRecordReaderImplIT.java From spliceengine with GNU Affero General Public License v3.0 | 6 votes |
@Test public void twoRegionsWithMemstores() throws Exception { List<String> names = new ArrayList<String>(); names.add("COL1"); names.add("COL2"); config.set(MRConstants.SPLICE_SCAN_INFO, sqlUtil.getTableScannerBuilder(SMRecordReaderImplIT.class.getSimpleName() + ".C", names).base64Encode()); SMRecordReaderImpl rr = new SMRecordReaderImpl(config); TableName tableName = TableName.valueOf(sqlUtil.getConglomID(SMRecordReaderImplIT.class.getSimpleName() + ".C")); try (Connection connection = ConnectionFactory.createConnection(config)) { Table table = connection.getTable(tableName); Scan scan = new Scan(); rr.setHTable(table); rr.setScan(scan); SMSplit tableSplit = new SMSplit(new TableSplit(tableName, scan.getStartRow(), scan.getStopRow(), "sdfsdf")); rr.initialize(tableSplit, null); int i = 0; while (rr.nextKeyValue()) { i++; Assert.assertNotNull("Column 1 is null", rr.getCurrentValue().getColumn(1)); Assert.assertNotNull("Column 2 is null", rr.getCurrentValue().getColumn(2)); Assert.assertNotNull("Current Key is null", rr.getCurrentKey()); } Assert.assertEquals("incorrect results returned", 10000, i); } }
Example 4
Source File: SMRecordReaderImplIT.java From spliceengine with GNU Affero General Public License v3.0 | 6 votes |
@Test public void emptyMemstoreScan() throws Exception { List<String> names = new ArrayList<String>(); names.add("COL1"); names.add("COL2"); config.set(MRConstants.SPLICE_SCAN_INFO, sqlUtil.getTableScannerBuilder(SMRecordReaderImplIT.class.getSimpleName() + ".D", names).base64Encode()); SMRecordReaderImpl rr = new SMRecordReaderImpl(config); TableName tableName = TableName.valueOf(sqlUtil.getConglomID(SMRecordReaderImplIT.class.getSimpleName() + ".D")); try (Connection connection = ConnectionFactory.createConnection(config)) { Table table = connection.getTable(tableName); Scan scan = new Scan(); rr.setHTable(table); rr.setScan(scan); SMSplit tableSplit = new SMSplit(new TableSplit(tableName, scan.getStartRow(), scan.getStopRow(), "sdfsdf")); rr.initialize(tableSplit, null); int i = 0; while (rr.nextKeyValue()) { i++; Assert.assertNotNull("Column 1 is null", rr.getCurrentValue().getColumn(1)); Assert.assertNotNull("Column 2 is null", rr.getCurrentValue().getColumn(2)); Assert.assertNotNull("Current Key is null", rr.getCurrentKey()); } Assert.assertEquals("incorrect results returned", 1000, i); } }
Example 5
Source File: WhereCompilerTest.java From phoenix with Apache License 2.0 | 6 votes |
@Test public void testSingleVariableFullPkSalted() throws SQLException { PhoenixConnection pconn = DriverManager.getConnection(getUrl(), PropertiesUtil.deepCopy(TEST_PROPERTIES)).unwrap(PhoenixConnection.class); pconn.createStatement().execute("CREATE TABLE t (k varchar(10) primary key, v varchar) SALT_BUCKETS=20"); String query = "select * from t where k='a'"; PhoenixPreparedStatement pstmt = newPreparedStatement(pconn, query); QueryPlan plan = pstmt.optimizeQuery(); Scan scan = plan.getContext().getScan(); Filter filter = scan.getFilter(); assertNull(filter); byte[] key = new byte[2]; PVarchar.INSTANCE.toBytes("a", key, 1); key[0] = SaltingUtil.getSaltingByte(key, 1, 1, 20); byte[] expectedStartKey = key; //lexicographically this is the next PK byte[] expectedEndKey = ByteUtil.concat(key,new byte[]{0}); byte[] startKey = scan.getStartRow(); byte[] stopKey = scan.getStopRow(); assertTrue(Bytes.compareTo(expectedStartKey, startKey) == 0); assertTrue(Bytes.compareTo(expectedEndKey, stopKey) == 0); }
Example 6
Source File: HBaseTableInputFormat.java From spork with Apache License 2.0 | 6 votes |
@Override public void setScan(Scan scan) { super.setScan(scan); startRow_ = scan.getStartRow(); endRow_ = scan.getStopRow(); byte[] startPadded; byte[] endPadded; if (startRow_.length < endRow_.length) { startPadded = Bytes.padTail(startRow_, endRow_.length - startRow_.length); endPadded = endRow_; } else if (endRow_.length < startRow_.length) { startPadded = startRow_; endPadded = Bytes.padTail(endRow_, startRow_.length - endRow_.length); } else { startPadded = startRow_; endPadded = endRow_; } currRow_ = startRow_; byte [] prependHeader = {1, 0}; bigStart_ = new BigInteger(Bytes.add(prependHeader, startPadded)); bigEnd_ = new BigInteger(Bytes.add(prependHeader, endPadded)); bigRange_ = new BigDecimal(bigEnd_.subtract(bigStart_)); LOG.info("setScan with ranges: " + bigStart_ + " - " + bigEnd_ + " ( " + bigRange_ + ")"); }
Example 7
Source File: StoreFileReader.java From hbase with Apache License 2.0 | 6 votes |
/** * Checks whether the given scan rowkey range overlaps with the current storefile's * @param scan the scan specification. Used to determine the rowkey range. * @return true if there is overlap, false otherwise */ public boolean passesKeyRangeFilter(Scan scan) { Optional<Cell> firstKeyKV = this.getFirstKey(); Optional<Cell> lastKeyKV = this.getLastKey(); if (!firstKeyKV.isPresent() || !lastKeyKV.isPresent()) { // the file is empty return false; } if (Bytes.equals(scan.getStartRow(), HConstants.EMPTY_START_ROW) && Bytes.equals(scan.getStopRow(), HConstants.EMPTY_END_ROW)) { return true; } byte[] smallestScanRow = scan.isReversed() ? scan.getStopRow() : scan.getStartRow(); byte[] largestScanRow = scan.isReversed() ? scan.getStartRow() : scan.getStopRow(); boolean nonOverLapping = (getComparator() .compareRows(firstKeyKV.get(), largestScanRow, 0, largestScanRow.length) > 0 && !Bytes.equals(scan.isReversed() ? scan.getStartRow() : scan.getStopRow(), HConstants.EMPTY_END_ROW)) || getComparator().compareRows(lastKeyKV.get(), smallestScanRow, 0, smallestScanRow.length) < 0; return !nonOverLapping; }
Example 8
Source File: Export.java From hbase with Apache License 2.0 | 6 votes |
private Scan validateKey(final RegionInfo region, final ExportProtos.ExportRequest request) throws IOException { Scan scan = ProtobufUtil.toScan(request.getScan()); byte[] regionStartKey = region.getStartKey(); byte[] originStartKey = scan.getStartRow(); if (originStartKey == null || Bytes.compareTo(originStartKey, regionStartKey) < 0) { scan.withStartRow(regionStartKey); } byte[] regionEndKey = region.getEndKey(); byte[] originEndKey = scan.getStopRow(); if (originEndKey == null || Bytes.compareTo(originEndKey, regionEndKey) > 0) { scan.withStartRow(regionEndKey); } return scan; }
Example 9
Source File: WhereCompilerTest.java From phoenix with Apache License 2.0 | 6 votes |
@Test public void testSingleVariableFullPkSalted() throws SQLException { PhoenixConnection pconn = DriverManager.getConnection(getUrl(), PropertiesUtil.deepCopy(TEST_PROPERTIES)).unwrap(PhoenixConnection.class); pconn.createStatement().execute("CREATE TABLE t (k varchar primary key, v varchar) SALT_BUCKETS=20"); String query = "select * from t where k='a'"; PhoenixPreparedStatement pstmt = newPreparedStatement(pconn, query); QueryPlan plan = pstmt.optimizeQuery(); Scan scan = plan.getContext().getScan(); Filter filter = scan.getFilter(); assertNull(filter); byte[] key = new byte[2]; PVarchar.INSTANCE.toBytes("a", key, 1); key[0] = SaltingUtil.getSaltingByte(key, 1, 1, 20); byte[] expectedStartKey = key; byte[] expectedEndKey = ByteUtil.nextKey(ByteUtil.concat(key, QueryConstants.SEPARATOR_BYTE_ARRAY)); byte[] startKey = scan.getStartRow(); byte[] stopKey = scan.getStopRow(); assertTrue(Bytes.compareTo(expectedStartKey, startKey) == 0); assertTrue(Bytes.compareTo(expectedEndKey, stopKey) == 0); }
Example 10
Source File: WhereCompilerTest.java From phoenix with Apache License 2.0 | 6 votes |
@Test public void testSingleFixedFullPkSalted() throws SQLException { PhoenixConnection pconn = DriverManager.getConnection(getUrl(), PropertiesUtil.deepCopy(TEST_PROPERTIES)).unwrap(PhoenixConnection.class); pconn.createStatement().execute("CREATE TABLE t (k bigint not null primary key, v varchar) SALT_BUCKETS=20"); String query = "select * from t where k=" + 1; PhoenixPreparedStatement pstmt = newPreparedStatement(pconn, query); QueryPlan plan = pstmt.optimizeQuery(); Scan scan = plan.getContext().getScan(); Filter filter = scan.getFilter(); assertNull(filter); byte[] key = new byte[PLong.INSTANCE.getByteSize() + 1]; PLong.INSTANCE.toBytes(1L, key, 1); key[0] = SaltingUtil.getSaltingByte(key, 1, PLong.INSTANCE.getByteSize(), 20); byte[] expectedStartKey = key; byte[] expectedEndKey = ByteUtil.nextKey(key); byte[] startKey = scan.getStartRow(); byte[] stopKey = scan.getStopRow(); assertArrayEquals(expectedStartKey, startKey); assertArrayEquals(expectedEndKey, stopKey); }
Example 11
Source File: BaseScannerRegionObserver.java From phoenix with Apache License 2.0 | 6 votes |
private static void throwIfScanOutOfRegion(Scan scan, HRegion region) throws DoNotRetryIOException { boolean isLocalIndex = ScanUtil.isLocalIndex(scan); byte[] lowerInclusiveScanKey = scan.getStartRow(); byte[] upperExclusiveScanKey = scan.getStopRow(); byte[] lowerInclusiveRegionKey = region.getStartKey(); byte[] upperExclusiveRegionKey = region.getEndKey(); boolean isStaleRegionBoundaries; if (isLocalIndex) { byte[] expectedUpperRegionKey = scan.getAttribute(EXPECTED_UPPER_REGION_KEY); isStaleRegionBoundaries = expectedUpperRegionKey != null && Bytes.compareTo(upperExclusiveRegionKey, expectedUpperRegionKey) != 0; } else { isStaleRegionBoundaries = Bytes.compareTo(lowerInclusiveScanKey, lowerInclusiveRegionKey) < 0 || ( Bytes.compareTo(upperExclusiveScanKey, upperExclusiveRegionKey) > 0 && upperExclusiveRegionKey.length != 0); } if (isStaleRegionBoundaries) { Exception cause = new StaleRegionBoundaryCacheException(region.getRegionInfo().getTable().getNameAsString()); throw new DoNotRetryIOException(cause.getMessage(), cause); } }
Example 12
Source File: HBaseUtils.java From envelope with Apache License 2.0 | 6 votes |
public static Scan mergeRangeScans(List<Scan> rangeScans) { List<RowRange> ranges = Lists.newArrayList(); for (Scan rangeScan : rangeScans) { byte[] startRow = rangeScan.getStartRow(); byte[] stopRow = rangeScan.getStopRow(); ranges.add(new RowRange(startRow, true, stopRow, false)); } Scan mergedScan = new Scan(); try { mergedScan.setFilter(new MultiRowRangeFilter(ranges)); } catch (IOException e) { throw new RuntimeException(e); } return mergedScan; }
Example 13
Source File: StoreFileReader.java From hbase with Apache License 2.0 | 5 votes |
/** * Checks whether the given scan passes the Bloom filter (if present). Only * checks Bloom filters for single-row or single-row-column scans. Bloom * filter checking for multi-gets is implemented as part of the store * scanner system (see {@link StoreFileScanner#seek(Cell)} and uses * the lower-level API {@link #passesGeneralRowBloomFilter(byte[], int, int)} * and {@link #passesGeneralRowColBloomFilter(Cell)}. * * @param scan the scan specification. Used to determine the row, and to * check whether this is a single-row ("get") scan. * @param columns the set of columns. Only used for row-column Bloom * filters. * @return true if the scan with the given column set passes the Bloom * filter, or if the Bloom filter is not applicable for the scan. * False if the Bloom filter is applicable and the scan fails it. */ boolean passesBloomFilter(Scan scan, final SortedSet<byte[]> columns) { byte[] row = scan.getStartRow(); switch (this.bloomFilterType) { case ROW: if (!scan.isGetScan()) { return true; } return passesGeneralRowBloomFilter(row, 0, row.length); case ROWCOL: if (!scan.isGetScan()) { return true; } if (columns != null && columns.size() == 1) { byte[] column = columns.first(); // create the required fake key Cell kvKey = PrivateCellUtil.createFirstOnRow(row, HConstants.EMPTY_BYTE_ARRAY, column); return passesGeneralRowColBloomFilter(kvKey); } // For multi-column queries the Bloom filter is checked from the // seekExact operation. return true; case ROWPREFIX_FIXED_LENGTH: return passesGeneralRowPrefixBloomFilter(scan); default: return true; } }
Example 14
Source File: TransactionState.java From hbase-secondary-index with GNU General Public License v3.0 | 5 votes |
void addScan(final Scan scan) { ScanRange scanRange = new ScanRange(scan.getStartRow(), scan.getStopRow()); LOG.trace(String.format( "Adding scan for transcaction [%s], from [%s] to [%s]", transactionId, scanRange.startRow == null ? "null" : Bytes .toString(scanRange.startRow), scanRange.endRow == null ? "null" : Bytes .toString(scanRange.endRow))); scans.add(scanRange); }
Example 15
Source File: SaltingUtil.java From phoenix with Apache License 2.0 | 5 votes |
public static void addRegionStartKeyToScanStartAndStopRows(byte[] startKey, byte[] endKey, Scan scan) { if (startKey.length == 0 && endKey.length == 0) return; byte[] prefixBytes = startKey.length != 0 ? startKey : new byte[endKey.length]; byte[] newStartRow = new byte[scan.getStartRow().length + prefixBytes.length]; System.arraycopy(prefixBytes, 0, newStartRow, 0, prefixBytes.length); System.arraycopy(scan.getStartRow(), 0, newStartRow, prefixBytes.length, scan.getStartRow().length); scan.setStartRow(newStartRow); if (scan.getStopRow().length != 0) { byte[] newStopRow = new byte[scan.getStopRow().length + prefixBytes.length]; System.arraycopy(prefixBytes, 0, newStopRow, 0, prefixBytes.length); System.arraycopy(scan.getStopRow(), 0, newStopRow, prefixBytes.length, scan.getStopRow().length); scan.setStopRow(newStopRow); } }
Example 16
Source File: ScanUtil.java From phoenix with Apache License 2.0 | 5 votes |
public static void setupReverseScan(Scan scan) { if (isReversed(scan)) { byte[] startRow = scan.getStartRow(); byte[] stopRow = scan.getStopRow(); byte[] newStartRow = startRow; byte[] newStopRow = stopRow; if (startRow.length != 0) { /* * Must get previous key because this is going from an inclusive start key to an exclusive stop key, and * we need the start key to be included. We get the previous key by decrementing the last byte by one. * However, with variable length data types, we need to fill with the max byte value, otherwise, if the * start key is 'ab', we lower it to 'aa' which would cause 'aab' to be included (which isn't correct). * So we fill with a 0xFF byte to prevent this. A single 0xFF would be enough for our primitive types (as * that byte wouldn't occur), but for an arbitrary VARBINARY key we can't know how many bytes to tack * on. It's lame of HBase to force us to do this. */ newStartRow = Arrays.copyOf(startRow, startRow.length + MAX_FILL_LENGTH_FOR_PREVIOUS_KEY.length); if (ByteUtil.previousKey(newStartRow, startRow.length)) { System.arraycopy(MAX_FILL_LENGTH_FOR_PREVIOUS_KEY, 0, newStartRow, startRow.length, MAX_FILL_LENGTH_FOR_PREVIOUS_KEY.length); } else { newStartRow = HConstants.EMPTY_START_ROW; } } if (stopRow.length != 0) { // Must add null byte because we need the start to be exclusive while it was inclusive newStopRow = ByteUtil.concat(stopRow, QueryConstants.SEPARATOR_BYTE_ARRAY); } scan.setStartRow(newStopRow); scan.setStopRow(newStartRow); scan.setReversed(true); } }
Example 17
Source File: BaseScannerRegionObserver.java From phoenix with Apache License 2.0 | 5 votes |
private static void throwIfScanOutOfRegion(Scan scan, Region region) throws DoNotRetryIOException { boolean isLocalIndex = ScanUtil.isLocalIndex(scan); byte[] lowerInclusiveScanKey = scan.getStartRow(); byte[] upperExclusiveScanKey = scan.getStopRow(); byte[] lowerInclusiveRegionKey = region.getRegionInfo().getStartKey(); byte[] upperExclusiveRegionKey = region.getRegionInfo().getEndKey(); boolean isStaleRegionBoundaries; if (isLocalIndex) { // For local indexes we have to abort any scan that was open during a split. // We detect that condition as follows: // 1. The scanner's stop row has to always match the region's end key. // 2. Phoenix sets the SCAN_ACTUAL_START_ROW attribute to the scan's original start row // We cannot directly compare that with the region's start key, but can enforce that // the original start row still falls within the new region. byte[] expectedUpperRegionKey = scan.getAttribute(EXPECTED_UPPER_REGION_KEY) == null ? scan.getStopRow() : scan .getAttribute(EXPECTED_UPPER_REGION_KEY); byte[] actualStartRow = scan.getAttribute(SCAN_ACTUAL_START_ROW); isStaleRegionBoundaries = (expectedUpperRegionKey != null && Bytes.compareTo(upperExclusiveRegionKey, expectedUpperRegionKey) != 0) || (actualStartRow != null && Bytes.compareTo(actualStartRow, lowerInclusiveRegionKey) < 0); } else { isStaleRegionBoundaries = Bytes.compareTo(lowerInclusiveScanKey, lowerInclusiveRegionKey) < 0 || ( Bytes.compareTo(upperExclusiveScanKey, upperExclusiveRegionKey) > 0 && upperExclusiveRegionKey.length != 0) || (upperExclusiveRegionKey.length != 0 && upperExclusiveScanKey.length == 0); } if (isStaleRegionBoundaries) { Exception cause = new StaleRegionBoundaryCacheException(region.getRegionInfo().getTable().getNameAsString()); throw new DoNotRetryIOException(cause.getMessage(), cause); } if(isLocalIndex) { ScanUtil.setupLocalIndexScan(scan); } }
Example 18
Source File: ScanUtil.java From phoenix with Apache License 2.0 | 5 votes |
public static byte[] getActualStartRow(Scan localIndexScan, RegionInfo regionInfo) { return localIndexScan.getAttribute(SCAN_START_ROW_SUFFIX) == null ? localIndexScan .getStartRow() : ScanRanges.prefixKey(localIndexScan.getAttribute(SCAN_START_ROW_SUFFIX), 0 , regionInfo.getStartKey().length == 0 ? new byte[regionInfo.getEndKey().length] : regionInfo.getStartKey(), regionInfo.getStartKey().length == 0 ? regionInfo.getEndKey().length : regionInfo .getStartKey().length); }
Example 19
Source File: WhereCompilerTest.java From phoenix with Apache License 2.0 | 4 votes |
@Test public void testMultiFixedFullPkSalted() throws SQLException { PhoenixConnection pconn = DriverManager.getConnection(getUrl(), PropertiesUtil.deepCopy(TEST_PROPERTIES)).unwrap(PhoenixConnection.class); pconn.createStatement().execute("CREATE TABLE t (k bigint not null primary key, v varchar) SALT_BUCKETS=20"); String query = "select * from t where k in (1,3)"; PhoenixPreparedStatement pstmt = newPreparedStatement(pconn, query); QueryPlan plan = pstmt.optimizeQuery(); Scan scan = plan.getContext().getScan(); Filter filter = scan.getFilter(); byte[] key = new byte[PLong.INSTANCE.getByteSize() + 1]; PLong.INSTANCE.toBytes(1L, key, 1); key[0] = SaltingUtil.getSaltingByte(key, 1, PLong.INSTANCE.getByteSize(), 20); byte[] startKey1 = key; key = new byte[PLong.INSTANCE.getByteSize() + 1]; PLong.INSTANCE.toBytes(3L, key, 1); key[0] = SaltingUtil.getSaltingByte(key, 1, PLong.INSTANCE.getByteSize(), 20); byte[] startKey2 = key; byte[] startKey = scan.getStartRow(); byte[] stopKey = scan.getStopRow(); // Due to salting byte, the 1 key may be after the 3 key byte[] expectedStartKey; byte[] expectedEndKey; List<List<KeyRange>> expectedRanges = Collections.singletonList( Arrays.asList(KeyRange.getKeyRange(startKey1), KeyRange.getKeyRange(startKey2))); if (Bytes.compareTo(startKey1, startKey2) > 0) { expectedStartKey = startKey2; expectedEndKey = startKey1; Collections.reverse(expectedRanges.get(0)); } else { expectedStartKey = startKey1; expectedEndKey = startKey2; } assertEquals(0,startKey.length); assertEquals(0,stopKey.length); assertNotNull(filter); assertTrue(filter instanceof SkipScanFilter); SkipScanFilter skipScanFilter = (SkipScanFilter)filter; assertEquals(1,skipScanFilter.getSlots().size()); assertEquals(2,skipScanFilter.getSlots().get(0).size()); assertArrayEquals(expectedStartKey, skipScanFilter.getSlots().get(0).get(0).getLowerRange()); assertArrayEquals(expectedEndKey, skipScanFilter.getSlots().get(0).get(1).getLowerRange()); StatementContext context = plan.getContext(); ScanRanges scanRanges = context.getScanRanges(); List<List<KeyRange>> ranges = scanRanges.getRanges(); assertEquals(expectedRanges, ranges); }
Example 20
Source File: WhereCompilerTest.java From phoenix with Apache License 2.0 | 4 votes |
@Test public void testMultiFixedFullPkSalted() throws SQLException { PhoenixConnection pconn = DriverManager.getConnection(getUrl(), PropertiesUtil.deepCopy(TEST_PROPERTIES)).unwrap(PhoenixConnection.class); pconn.createStatement().execute("CREATE TABLE t (k bigint not null primary key, v varchar) SALT_BUCKETS=20"); String query = "select * from t where k in (1,3)"; PhoenixPreparedStatement pstmt = newPreparedStatement(pconn, query); QueryPlan plan = pstmt.optimizeQuery(); Scan scan = plan.getContext().getScan(); Filter filter = scan.getFilter(); byte[] key = new byte[PLong.INSTANCE.getByteSize() + 1]; PLong.INSTANCE.toBytes(1L, key, 1); key[0] = SaltingUtil.getSaltingByte(key, 1, PLong.INSTANCE.getByteSize(), 20); byte[] startKey1 = key; key = new byte[PLong.INSTANCE.getByteSize() + 1]; PLong.INSTANCE.toBytes(3L, key, 1); key[0] = SaltingUtil.getSaltingByte(key, 1, PLong.INSTANCE.getByteSize(), 20); byte[] startKey2 = key; byte[] startKey = scan.getStartRow(); byte[] stopKey = scan.getStopRow(); // Due to salting byte, the 1 key may be after the 3 key byte[] expectedStartKey; byte[] expectedEndKey; List<List<KeyRange>> expectedRanges = Collections.singletonList( Arrays.asList(KeyRange.getKeyRange(startKey1), KeyRange.getKeyRange(startKey2))); if (Bytes.compareTo(startKey1, startKey2) > 0) { expectedStartKey = startKey2; expectedEndKey = startKey1; Collections.reverse(expectedRanges.get(0)); } else { expectedStartKey = startKey1; expectedEndKey = startKey2; } assertEquals(0,startKey.length); assertEquals(0,stopKey.length); assertNotNull(filter); assertTrue(filter instanceof SkipScanFilter); SkipScanFilter skipScanFilter = (SkipScanFilter)filter; assertEquals(1,skipScanFilter.getSlots().size()); assertEquals(2,skipScanFilter.getSlots().get(0).size()); assertArrayEquals(expectedStartKey, skipScanFilter.getSlots().get(0).get(0).getLowerRange()); assertArrayEquals(expectedEndKey, skipScanFilter.getSlots().get(0).get(1).getLowerRange()); StatementContext context = plan.getContext(); ScanRanges scanRanges = context.getScanRanges(); List<List<KeyRange>> ranges = scanRanges.getRanges(); assertEquals(expectedRanges, ranges); }