@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
tuple.getKey(ptr);
int offset = accessor.getOffset(ptr.get(), ptr.getOffset());
// Null is represented in the last expression of a multi-part key
// by the bytes not being present.
if (offset < ptr.getOffset() + ptr.getLength()) {
byte[] buffer = ptr.get();
int maxByteSize = ptr.getLength() - (offset - ptr.getOffset());
int fixedByteSize = -1;
// FIXME: fixedByteSize <= maxByteSize ? fixedByteSize : 0 required because HBase passes bogus
// keys to filter to position scan (HBASE-6562)
if (fromType.isFixedWidth()) {
fixedByteSize = getByteSize();
fixedByteSize = fixedByteSize <= maxByteSize ? fixedByteSize : 0;
}
int length =
fixedByteSize >= 0 ? fixedByteSize : accessor.getLength(buffer, offset, maxByteSize);
// In the middle of the key, an empty variable length byte array represents null
if (length > 0) {
if (type == fromType) {
ptr.set(buffer, offset, length);
} else {
ptr.set(type.toBytes(type.toObject(buffer, offset, length, fromType)));
}
return true;
}
}
return false;
}
@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
// Starting from the end of the byte, look for all single bytes at the end of the string
// that is below SPACE_UTF8 (space and control characters) or above (control chars).
if (!getStringExpression().evaluate(tuple, ptr)) {
return false;
}
if (ptr.getLength() == 0) {
ptr.set(ByteUtil.EMPTY_BYTE_ARRAY);
return true;
}
byte[] string = ptr.get();
int offset = ptr.getOffset();
int length = ptr.getLength();
int i = offset + length - 1;
for (; i >= offset; i--) {
if ((string[i] & SINGLE_BYTE_MASK) == 0 && SPACE_UTF8 < string[i] && string[i] != 0x7f) {
break;
}
}
if (i == offset - 1) {
ptr.set(ByteUtil.EMPTY_BYTE_ARRAY);
return true;
}
ptr.set(string, offset, i - offset + 1);
return true;
}
@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
BigDecimal result = null;
DateNative dateNative = DateNative.getInstance();
for (int i = 0; i < children.size(); i++) {
if (!children.get(i).evaluate(tuple, ptr) || ptr.getLength() == 0) {
return false;
}
PDataType childType = children.get(i).getDataType();
boolean isDate = childType.isCoercibleTo(PDataType.DATE);
BigDecimal bd =
isDate
? BigDecimal.valueOf(dateNative.toLong(ptr))
: (BigDecimal) PDataType.DECIMAL.toObject(ptr, childType);
if (result == null) {
result = bd;
} else {
result = result.subtract(bd);
/*
* Special case for date subtraction - note that only first two expression may be dates.
* We need to convert the date to a unit of "days" because that's what sql expects.
*/
if (isDate) {
result = result.divide(BD_MILLIS_IN_DAY, PDataType.DEFAULT_MATH_CONTEXT);
}
}
}
ptr.set(PDataType.DECIMAL.toBytes(result));
return true;
}
@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
BigDecimal result = null;
for (int i = 0; i < children.size(); i++) {
Expression childExpr = children.get(i);
if (!childExpr.evaluate(tuple, ptr)) {
return false;
}
if (ptr.getLength() == 0) {
return true;
}
PDataType childType = children.get(i).getDataType();
BigDecimal bd = (BigDecimal) PDataType.DECIMAL.toObject(ptr, childType);
if (result == null) {
result = bd;
} else {
result = result.divide(bd, PDataType.DEFAULT_MATH_CONTEXT);
}
}
if (maxLength != null && scale != null) {
result = NumberUtil.setDecimalWidthAndScale(result, maxLength, scale);
}
if (result == null) {
throw new ValueTypeIncompatibleException(PDataType.DECIMAL, maxLength, scale);
}
ptr.set(PDataType.DECIMAL.toBytes(result));
return true;
}
@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
if (!children.get(0).evaluate(tuple, ptr)) {
return false;
}
String timezone = Bytes.toString(ptr.get(), ptr.getOffset(), ptr.getLength());
if (!children.get(1).evaluate(tuple, ptr)) {
return false;
}
if (!cachedTimeZones.containsKey(timezone)) {
TimeZone tz = TimeZone.getTimeZone(timezone);
if (!tz.getID().equals(timezone)) {
throw new IllegalDataException("Invalid timezone " + timezone);
}
cachedTimeZones.put(timezone, tz);
}
Date date = (Date) PDate.INSTANCE.toObject(ptr, children.get(1).getSortOrder());
int offset = cachedTimeZones.get(timezone).getOffset(date.getTime());
ptr.set(PInteger.INSTANCE.toBytes(offset / MILLIS_TO_MINUTES));
return true;
}
@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
// TODO: multi-byte characters
Expression offsetExpression = getOffsetExpression();
if (!offsetExpression.evaluate(tuple, ptr)) {
return false;
}
LongNative longNative = (LongNative) offsetExpression.getDataType().getNative();
int offset = (int) longNative.toLong(ptr);
int length = -1;
if (hasLengthExpression) {
Expression lengthExpression = getLengthExpression();
if (!lengthExpression.evaluate(tuple, ptr)) {
return false;
}
longNative = (LongNative) lengthExpression.getDataType().getNative();
length = (int) longNative.toLong(ptr);
if (length <= 0) {
return false;
}
}
if (!getStrExpression().evaluate(tuple, ptr)) {
return false;
}
try {
boolean isCharType = getStrExpression().getDataType() == PDataType.CHAR;
int strlen =
isCharType
? ptr.getLength()
: StringUtil.calculateUTF8Length(ptr.get(), ptr.getOffset(), ptr.getLength());
// Account for 1 versus 0-based offset
offset = offset - (offset <= 0 ? 0 : 1);
if (offset < 0) { // Offset < 0 means get from end
offset = strlen + offset;
}
if (offset < 0 || offset >= strlen) {
return false;
}
int maxLength = strlen - offset;
length = length == -1 ? maxLength : Math.min(length, maxLength);
int byteOffset =
isCharType
? offset
: StringUtil.getByteLengthForUtf8SubStr(ptr.get(), ptr.getOffset(), offset);
int byteLength =
isCharType
? length
: StringUtil.getByteLengthForUtf8SubStr(
ptr.get(), ptr.getOffset() + byteOffset, length);
ptr.set(ptr.get(), ptr.getOffset() + byteOffset, byteLength);
return true;
} catch (UnsupportedEncodingException e) {
return false;
}
}
@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
Expression expression = getExpression();
if (!expression.evaluate(tuple, ptr)) {
return false;
}
PDataType type = expression.getDataType();
Object value = formatter.format(type.toObject(ptr, expression.getSortOrder()));
byte[] b = getDataType().toBytes(value);
ptr.set(b);
return true;
}
@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
if (!getChildExpression().evaluate(tuple, ptr)) {
return false;
}
// Update the digest value
messageDigest.update(ptr.get(), ptr.getOffset(), ptr.getLength());
// Get the digest bytes (note this resets the messageDigest as well)
ptr.set(messageDigest.digest());
return true;
}
@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
if (!super.evaluate(tuple, ptr)) {
return false;
}
if (isConstantExpression()) {
PDataType type = getDataType();
Object constantValue = ((LiteralExpression) children.get(0)).getValue();
if (type == PDataType.DECIMAL) {
BigDecimal value =
((BigDecimal) constantValue)
.multiply((BigDecimal) PDataType.DECIMAL.toObject(ptr, PDataType.LONG));
ptr.set(PDataType.DECIMAL.toBytes(value));
} else {
long constantLongValue = ((Number) constantValue).longValue();
long value = constantLongValue * type.getCodec().decodeLong(ptr, null);
ptr.set(new byte[type.getByteSize()]);
type.getCodec().encodeLong(value, ptr);
}
}
return true;
}
@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
if (!getStringExpression().evaluate(tuple, ptr)) {
return false;
}
if (ptr.getLength() == 0) {
ptr.set(ByteUtil.EMPTY_BYTE_ARRAY);
return true;
}
byte[] string = ptr.get();
int offset = ptr.getOffset();
int length = ptr.getLength();
ColumnModifier columnModifier = getColumnModifier();
int end = StringUtil.getFirstNonBlankCharIdxFromEnd(string, offset, length, columnModifier);
if (end == offset - 1) {
ptr.set(ByteUtil.EMPTY_BYTE_ARRAY);
return true;
}
int head = StringUtil.getFirstNonBlankCharIdxFromStart(string, offset, length, columnModifier);
ptr.set(string, head, end - head + 1);
return true;
}
@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
Expression arg = getChildren().get(0);
if (!arg.evaluate(tuple, ptr)) {
return false;
}
if (ptr.getLength() == 0) {
return true;
}
long dateTime = inputCodec.decodeLong(ptr, arg.getSortOrder());
DateTime jodaDT = new DateTime(dateTime);
int day = jodaDT.getDayOfYear();
PDataType returnDataType = getDataType();
byte[] byteValue = new byte[returnDataType.getByteSize()];
returnDataType.getCodec().encodeInt(day, byteValue, 0);
ptr.set(byteValue);
return true;
}
@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
// This serializes the Map. The format is as follows
// Map size(VInt ie. 1 to 5 bytes) +
// ( key length [VInt ie. 1 to 5 bytes] + key bytes + value [VInt ie. 1 to 5 bytes] )*
buffer = new byte[countMapSerializationSize()];
int offset = 0;
offset += ByteUtil.vintToBytes(buffer, offset, this.valueVsCount.size());
for (Entry<ImmutableBytesPtr, Integer> entry : this.valueVsCount.entrySet()) {
ImmutableBytesPtr key = entry.getKey();
offset += ByteUtil.vintToBytes(buffer, offset, key.getLength());
System.arraycopy(key.get(), key.getOffset(), buffer, offset, key.getLength());
offset += key.getLength();
offset += ByteUtil.vintToBytes(buffer, offset, entry.getValue().intValue());
}
ptr.set(buffer, 0, offset);
return true;
}
@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
// Reset buffer so that it gets initialized with the current datatype of the column
buffer = null;
if (cachedResult == null) {
columnExp = (ColumnExpression) exps.get(0);
// Second exp will be a LiteralExpression of Boolean type indicating
// whether the ordering to be ASC/DESC
LiteralExpression isAscendingExpression = (LiteralExpression) exps.get(1);
boolean isAscending = (Boolean) isAscendingExpression.getValue();
// Third expression will be LiteralExpression
LiteralExpression percentileExp = (LiteralExpression) exps.get(2);
float p = ((Number) percentileExp.getValue()).floatValue();
Map<Object, Integer> sorted = getSortedValueVsCount(isAscending, columnExp.getDataType());
int currValue = 0;
Object result = null;
// Here the Percentile_disc returns the cum_dist() that is greater or equal to the
// Percentile (p) specified in the query. So the result set will be of that of the
// datatype of the column being selected
for (Entry<Object, Integer> entry : sorted.entrySet()) {
result = entry.getKey();
Integer value = entry.getValue();
currValue += value;
float cum_dist = (float) currValue / (float) totalCount;
if (cum_dist >= p) {
break;
}
}
this.cachedResult = result;
}
if (buffer == null) {
// Initialize based on the datatype
// columnExp cannot be null
buffer = new byte[columnExp.getDataType().getByteSize()];
}
// Copy the result to the buffer.
System.arraycopy(
columnExp.getDataType().toBytes(this.cachedResult), 0, buffer, 0, buffer.length);
ptr.set(buffer);
return true;
}
@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
BigDecimal result = null;
for (int i = 0; i < children.size(); i++) {
if (!children.get(i).evaluate(tuple, ptr) || ptr.getLength() == 0) {
return false;
}
PDataType childType = children.get(i).getDataType();
BigDecimal bd = (BigDecimal) PDataType.DECIMAL.toObject(ptr, childType);
if (result == null) {
result = bd;
} else {
result = result.divide(bd, PDataType.DEFAULT_MATH_CONTEXT);
}
}
ptr.set(PDataType.DECIMAL.toBytes(result));
return true;
}
@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
BigDecimal finalResult = BigDecimal.ZERO;
for (int i = 0; i < children.size(); i++) {
if (!children.get(i).evaluate(tuple, ptr)) {
return false;
}
if (ptr.getLength() == 0) {
return true;
}
BigDecimal value;
PDataType type = children.get(i).getDataType();
ColumnModifier columnModifier = children.get(i).getColumnModifier();
if (type == PDataType.TIMESTAMP || type == PDataType.UNSIGNED_TIMESTAMP) {
value = (BigDecimal) (PDataType.DECIMAL.toObject(ptr, type, columnModifier));
} else if (type.isCoercibleTo(PDataType.DECIMAL)) {
value =
(((BigDecimal) PDataType.DECIMAL.toObject(ptr, columnModifier))
.multiply(QueryConstants.BD_MILLIS_IN_DAY))
.setScale(6, RoundingMode.HALF_UP);
} else if (type.isCoercibleTo(PDataType.DOUBLE)) {
value =
((BigDecimal.valueOf(type.getCodec().decodeDouble(ptr, columnModifier)))
.multiply(QueryConstants.BD_MILLIS_IN_DAY))
.setScale(6, RoundingMode.HALF_UP);
} else {
value = BigDecimal.valueOf(type.getCodec().decodeLong(ptr, columnModifier));
}
finalResult = finalResult.add(value);
}
Timestamp ts = DateUtil.getTimestamp(finalResult);
byte[] resultPtr = new byte[getDataType().getByteSize()];
PDataType.TIMESTAMP.toBytes(ts, resultPtr, 0);
ptr.set(resultPtr);
return true;
}
private static MutationState upsertSelect(
PhoenixStatement statement,
TableRef tableRef,
RowProjector projector,
ResultIterator iterator,
int[] columnIndexes,
int[] pkSlotIndexes)
throws SQLException {
try {
PhoenixConnection connection = statement.getConnection();
ConnectionQueryServices services = connection.getQueryServices();
int maxSize =
services
.getProps()
.getInt(
QueryServices.MAX_MUTATION_SIZE_ATTRIB,
QueryServicesOptions.DEFAULT_MAX_MUTATION_SIZE);
int batchSize = Math.min(connection.getMutateBatchSize(), maxSize);
boolean isAutoCommit = connection.getAutoCommit();
byte[][] values = new byte[columnIndexes.length][];
int rowCount = 0;
Map<ImmutableBytesPtr, Map<PColumn, byte[]>> mutation =
Maps.newHashMapWithExpectedSize(batchSize);
PTable table = tableRef.getTable();
ResultSet rs = new PhoenixResultSet(iterator, projector, statement);
ImmutableBytesWritable ptr = new ImmutableBytesWritable();
while (rs.next()) {
for (int i = 0; i < values.length; i++) {
PColumn column = table.getColumns().get(columnIndexes[i]);
byte[] bytes = rs.getBytes(i + 1);
ptr.set(bytes == null ? ByteUtil.EMPTY_BYTE_ARRAY : bytes);
Object value = rs.getObject(i + 1);
int rsPrecision = rs.getMetaData().getPrecision(i + 1);
Integer precision = rsPrecision == 0 ? null : rsPrecision;
int rsScale = rs.getMetaData().getScale(i + 1);
Integer scale = rsScale == 0 ? null : rsScale;
// We are guaranteed that the two column will have compatible types,
// as we checked that before.
if (!column
.getDataType()
.isSizeCompatible(
ptr,
value,
column.getDataType(),
precision,
scale,
column.getMaxLength(),
column.getScale())) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.DATA_EXCEEDS_MAX_CAPACITY)
.setColumnName(column.getName().getString())
.setMessage("value=" + column.getDataType().toStringLiteral(ptr, null))
.build()
.buildException();
}
column
.getDataType()
.coerceBytes(
ptr,
value,
column.getDataType(),
precision,
scale,
SortOrder.getDefault(),
column.getMaxLength(),
column.getScale(),
column.getSortOrder());
values[i] = ByteUtil.copyKeyBytesIfNecessary(ptr);
}
setValues(values, pkSlotIndexes, columnIndexes, table, mutation);
rowCount++;
// Commit a batch if auto commit is true and we're at our batch size
if (isAutoCommit && rowCount % batchSize == 0) {
MutationState state = new MutationState(tableRef, mutation, 0, maxSize, connection);
connection.getMutationState().join(state);
connection.commit();
mutation.clear();
}
}
// If auto commit is true, this last batch will be committed upon return
return new MutationState(
tableRef, mutation, rowCount / batchSize * batchSize, maxSize, connection);
} finally {
iterator.close();
}
}
@edu.umd.cs.findbugs.annotations.SuppressWarnings(
value = "QBA_QUESTIONABLE_BOOLEAN_ASSIGNMENT",
justification = "Assignment designed to work this way.")
private ReturnCode navigate(
final byte[] currentKey, int offset, int length, Terminate terminate) {
int nSlots = slots.size();
// First check to see if we're in-range until we reach our end key
if (endKeyLength > 0) {
if (Bytes.compareTo(currentKey, offset, length, endKey, 0, endKeyLength) < 0) {
return ReturnCode.INCLUDE;
}
// If key range of last slot is a single key, we can increment our position
// since we know we'll be past the current row after including it.
if (slots.get(nSlots - 1).get(position[nSlots - 1]).isSingleKey()) {
if (nextPosition(nSlots - 1) < 0) {
// Current row will be included, but we have no more
isDone = true;
return ReturnCode.NEXT_ROW;
}
} else {
// Reset the positions to zero from the next slot after the earliest ranged slot, since the
// next key could be bigger at this ranged slot, and smaller than the current position of
// less significant slots.
int earliestRangeIndex = nSlots - 1;
for (int i = 0; i < nSlots; i++) {
if (!slots.get(i).get(position[i]).isSingleKey()) {
earliestRangeIndex = i;
break;
}
}
Arrays.fill(position, earliestRangeIndex + 1, position.length, 0);
}
}
endKeyLength = 0;
// We could have included the previous
if (isDone) {
return ReturnCode.NEXT_ROW;
}
int i = 0;
boolean seek = false;
int earliestRangeIndex = nSlots - 1;
ptr.set(currentKey, offset, length);
schema.first(ptr, i, ValueBitSet.EMPTY_VALUE_BITSET);
while (true) {
// Increment to the next range while the upper bound of our current slot is less than our
// current key
while (position[i] < slots.get(i).size()
&& slots.get(i).get(position[i]).compareUpperToLowerBound(ptr) < 0) {
position[i]++;
}
Arrays.fill(position, i + 1, position.length, 0);
if (position[i] >= slots.get(i).size()) {
// Our current key is bigger than the last range of the current slot.
// If navigating after current key, backtrack and increment the key of the previous slot
// values.
// If navigating to current key, just return
if (terminate == Terminate.AT) {
return ReturnCode.SEEK_NEXT_USING_HINT;
}
if (i == 0) {
isDone = true;
return ReturnCode.NEXT_ROW;
}
// Increment key and backtrack until in range. We know at this point that we'll be
// issuing a seek next hint.
seek = true;
Arrays.fill(position, i, position.length, 0);
i--;
// If we're positioned at a single key, no need to copy the current key and get the next key
// .
// Instead, just increment to the next key and continue.
boolean incremented = false;
while (i >= 0
&& slots.get(i).get(position[i]).isSingleKey()
&& (incremented = true)
&& (position[i] = (position[i] + 1) % slots.get(i).size()) == 0) {
i--;
incremented = false;
}
if (i < 0) {
isDone = true;
return ReturnCode.NEXT_ROW;
}
if (incremented) {
// Continue the loop after setting the start key, because our start key maybe smaller than
// the current key, so we'll end up incrementing the start key until it's bigger than the
// current key.
setStartKey();
ptr.set(ptr.get(), offset, length);
// Reinitialize iterator to be positioned at previous slot position
schema.setAccessor(ptr, i, ValueBitSet.EMPTY_VALUE_BITSET);
} else {
int currentLength = setStartKey(ptr, offset, i + 1);
// From here on, we use startKey as our buffer with offset reset to 0
// We've copied the part of the current key above that we need into startKey
ptr.set(startKey, offset = 0, length = startKeyLength);
// Reinitialize iterator to be positioned at previous slot position
// TODO: a schema.previous would potentially be more efficient
schema.setAccessor(ptr, i, ValueBitSet.EMPTY_VALUE_BITSET);
// Do nextKey after setting the accessor b/c otherwise the null byte may have
// been incremented causing us not to find it
ByteUtil.nextKey(startKey, currentLength);
}
} else if (slots.get(i).get(position[i]).compareLowerToUpperBound(ptr) > 0) {
// Our current key is less than the lower range of the current position in the current slot.
// Seek to the lower range, since it's bigger than the current key
setStartKey(ptr, offset, i);
return ReturnCode.SEEK_NEXT_USING_HINT;
} else { // We're in range, check the next slot
if (!slots.get(i).get(position[i]).isSingleKey() && i < earliestRangeIndex) {
earliestRangeIndex = i;
}
i++;
// If we're past the last slot or we know we're seeking to the next (in
// which case the previously updated slot was verified to be within the
// range, so we don't need to check the rest of the slots. If we were
// to check the rest of the slots, we'd get into trouble because we may
// have a null byte that was incremented which screws up our schema.next call)
if (i >= nSlots || seek) {
break;
}
// If we run out of slots in our key, it means we have a partial key. In this
// case, we seek to the next full key after this one.
// TODO: test for this
if (schema.next(ptr, i, offset + length, ValueBitSet.EMPTY_VALUE_BITSET) == null) {
setStartKey(ptr, offset, i);
return ReturnCode.SEEK_NEXT_USING_HINT;
}
}
}
if (seek) {
return ReturnCode.SEEK_NEXT_USING_HINT;
}
// Else, we're in range for all slots and can include this row plus all rows
// up to the upper range of our last slot. We do this for ranges and single keys
// since we potentially have multiple key values for the same row key.
setEndKey(ptr, offset, slots.size() - 1);
return ReturnCode.INCLUDE;
}
private boolean intersect(
byte[] lowerInclusiveKey, byte[] upperExclusiveKey, List<List<KeyRange>> newSlots) {
boolean lowerUnbound = (lowerInclusiveKey.length == 0);
Arrays.fill(position, 0);
isDone = false;
int startPos = 0;
int lastSlot = slots.size() - 1;
if (!lowerUnbound) {
// Find the position of the first slot of the lower range
ptr.set(lowerInclusiveKey);
schema.first(ptr, 0, ValueBitSet.EMPTY_VALUE_BITSET);
startPos = ScanUtil.searchClosestKeyRangeWithUpperHigherThanPtr(slots.get(0), ptr, 0);
// Lower range is past last upper range of first slot, so cannot possibly be in range
if (startPos >= slots.get(0).size()) {
return false;
}
}
boolean upperUnbound = (upperExclusiveKey.length == 0);
int endPos = slots.get(0).size() - 1;
if (!upperUnbound) {
// Find the position of the first slot of the upper range
ptr.set(upperExclusiveKey);
schema.first(ptr, 0, ValueBitSet.EMPTY_VALUE_BITSET);
endPos = ScanUtil.searchClosestKeyRangeWithUpperHigherThanPtr(slots.get(0), ptr, startPos);
// Upper range lower than first lower range of first slot, so cannot possibly be in range
if (endPos == 0
&& Bytes.compareTo(upperExclusiveKey, slots.get(0).get(0).getLowerRange()) <= 0) {
return false;
}
// Past last position, so we can include everything from the start position
if (endPos >= slots.get(0).size()) {
upperUnbound = true;
endPos = slots.get(0).size() - 1;
}
}
if (!lowerUnbound) {
position[0] = startPos;
navigate(lowerInclusiveKey, 0, lowerInclusiveKey.length, Terminate.AFTER);
if (filterAllRemaining()) {
return false;
}
}
if (upperUnbound) {
if (newSlots != null) {
newSlots.add(slots.get(0).subList(startPos, endPos + 1));
newSlots.addAll(slots.subList(1, slots.size()));
}
return true;
}
int[] lowerPosition = Arrays.copyOf(position, position.length);
// Navigate to the upperExclusiveKey, but not past it
ReturnCode endCode = navigate(upperExclusiveKey, 0, upperExclusiveKey.length, Terminate.AT);
if (endCode == ReturnCode.INCLUDE) {
setStartKey();
// If the upperExclusiveKey is equal to the start key, we've gone one position too far, since
// our upper key is exclusive. In that case, go to the previous key
if (Bytes.compareTo(
startKey, 0, startKeyLength, upperExclusiveKey, 0, upperExclusiveKey.length)
== 0
&& (previousPosition(lastSlot) < 0 || position[0] < lowerPosition[0])) {
// If by backing up one position we have an empty range, then return
return false;
}
} else if (endCode == ReturnCode.SEEK_NEXT_USING_HINT) {
// The upperExclusive key is smaller than the slots stored in the position. Check if it's the
// same position
// as the slots for lowerInclusive. If so, there is no intersection.
if (Arrays.equals(lowerPosition, position)) {
return false;
}
}
// Copy inclusive all positions
for (int i = 0; i <= lastSlot; i++) {
List<KeyRange> newRanges =
slots.get(i).subList(lowerPosition[i], Math.min(position[i] + 1, slots.get(i).size()));
if (newRanges.isEmpty()) {
return false;
}
if (newSlots != null) {
newSlots.add(newRanges);
}
if (position[i] > lowerPosition[i]) {
if (newSlots != null) {
newSlots.addAll(slots.subList(i + 1, slots.size()));
}
break;
}
}
return true;
}
@Override
public boolean getValue(byte[] family, byte[] qualifier, ImmutableBytesWritable ptr) {
ptr.set(projectedValue);
return true;
}
@Override
public void getKey(ImmutableBytesWritable ptr) {
ptr.set(keyPtr.get(), keyPtr.getOffset(), keyPtr.getLength());
}
@Override
public int newKey(ImmutableBytesWritable key, byte[][] values) {
int i = 0;
TrustedByteArrayOutputStream os =
new TrustedByteArrayOutputStream(SchemaUtil.estimateKeyLength(this));
try {
List<PColumn> columns = getPKColumns();
int nColumns = columns.size();
PColumn lastPKColumn = columns.get(nColumns - 1);
while (i < values.length && i < nColumns) {
PColumn column = columns.get(i);
PDataType type = column.getDataType();
// This will throw if the value is null and the type doesn't allow null
byte[] byteValue = values[i++];
if (byteValue == null) {
byteValue = ByteUtil.EMPTY_BYTE_ARRAY;
}
// An empty byte array return value means null. Do this,
// since a type may have muliple representations of null.
// For example, VARCHAR treats both null and an empty string
// as null. This way we don't need to leak that part of the
// implementation outside of PDataType by checking the value
// here.
if (byteValue.length == 0 && !column.isNullable()) {
throw new ConstraintViolationException(
name.getString() + "." + column.getName().getString() + " may not be null");
}
Integer byteSize = column.getByteSize();
if (type.isFixedWidth()) { // TODO: handle multi-byte characters
if (byteValue.length != byteSize) {
throw new ConstraintViolationException(
name.getString()
+ "."
+ column.getName().getString()
+ " must be "
+ byteSize
+ " bytes ("
+ SchemaUtil.toString(type, byteValue)
+ ")");
}
} else if (byteSize != null && byteValue.length > byteSize) {
throw new ConstraintViolationException(
name.getString()
+ "."
+ column.getName().getString()
+ " may not exceed "
+ byteSize
+ " bytes ("
+ SchemaUtil.toString(type, byteValue)
+ ")");
}
os.write(byteValue, 0, byteValue.length);
// Separate variable length column values in key with zero byte
if (!type.isFixedWidth() && column != lastPKColumn) {
os.write(SEPARATOR_BYTE);
}
}
// If some non null pk values aren't set, then throw
if (i < nColumns) {
PColumn column = columns.get(i);
PDataType type = column.getDataType();
if (type.isFixedWidth() || !column.isNullable()) {
throw new ConstraintViolationException(
name.getString() + "." + column.getName().getString() + " may not be null");
}
// Separate variable length column values in key with zero byte
if (column != lastPKColumn) {
os.write(SEPARATOR_BYTE);
}
}
key.set(os.getBuffer(), 0, os.size());
return i;
} finally {
try {
os.close();
} catch (IOException e) {
throw new RuntimeException(e); // Impossible
}
}
}
@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
// Literal always evaluates, even when it returns null
ptr.set(byteValue);
return true;
}