}
public byte[] buildRowKey(ValueGetter valueGetter, ImmutableBytesWritable rowKeyPtr) {
ImmutableBytesWritable ptr = new ImmutableBytesWritable();
TrustedByteArrayOutputStream stream = new TrustedByteArrayOutputStream(estimatedIndexRowKeyBytes);
DataOutput output = new DataOutputStream(stream);
try {
if (nIndexSaltBuckets > 0) {
output.write(0); // will be set at end to index salt byte
}
// The dataRowKeySchema includes the salt byte field,
// so we must adjust for that here.
int dataPosOffset = isDataTableSalted ? 1 : 0 ;
int nIndexedColumns = getIndexPkColumnCount();
int[][] dataRowKeyLocator = new int[2][nIndexedColumns];
// Skip data table salt byte
int maxRowKeyOffset = rowKeyPtr.getOffset() + rowKeyPtr.getLength();
dataRowKeySchema.iterator(rowKeyPtr, ptr, dataPosOffset);
if (isMultiTenant) {
dataRowKeySchema.next(ptr, dataPosOffset, maxRowKeyOffset);
output.write(ptr.get(), ptr.getOffset(), ptr.getLength());
if (!dataRowKeySchema.getField(dataPosOffset).getDataType().isFixedWidth()) {
output.writeByte(QueryConstants.SEPARATOR_BYTE);
}
dataPosOffset++;
}
if (viewIndexId != null) {
output.write(viewIndexId);
}
BitSet viewConstantColumnBitSet = this.rowKeyMetaData.getViewConstantColumnBitSet();
// Write index row key
for (int i = dataPosOffset; i < dataRowKeySchema.getFieldCount(); i++) {
Boolean hasValue=dataRowKeySchema.next(ptr, i, maxRowKeyOffset);
// Ignore view constants from the data table, as these
// don't need to appear in the index (as they're the
// same for all rows in this index)
if (!viewConstantColumnBitSet.get(i)) {
int pos = rowKeyMetaData.getIndexPkPosition(i-dataPosOffset);
if (Boolean.TRUE.equals(hasValue)) {
dataRowKeyLocator[0][pos] = ptr.getOffset();
dataRowKeyLocator[1][pos] = ptr.getLength();
} else {
dataRowKeyLocator[0][pos] = 0;
dataRowKeyLocator[1][pos] = 0;
}
}
}
BitSet descIndexColumnBitSet = rowKeyMetaData.getDescIndexColumnBitSet();
int j = 0;
Iterator<ColumnReference> iterator = indexedColumns.iterator();
for (int i = 0; i < nIndexedColumns; i++) {
PDataType dataColumnType;
boolean isNullable = true;
boolean isDataColumnInverted = false;
SortOrder dataSortOrder = SortOrder.getDefault();
if (dataPkPosition[i] == -1) {
dataColumnType = indexedColumnTypes.get(j);
ImmutableBytesPtr value = valueGetter.getLatestValue(iterator.next());
if (value == null) {
ptr.set(ByteUtil.EMPTY_BYTE_ARRAY);
} else {
ptr.set(value.copyBytesIfNecessary());
}
j++;
} else {
Field field = dataRowKeySchema.getField(dataPkPosition[i]);
dataColumnType = field.getDataType();
ptr.set(rowKeyPtr.get(), dataRowKeyLocator[0][i], dataRowKeyLocator[1][i]);
dataSortOrder = field.getSortOrder();
isDataColumnInverted = dataSortOrder != SortOrder.ASC;
isNullable = field.isNullable();
}
PDataType indexColumnType = IndexUtil.getIndexColumnDataType(isNullable, dataColumnType);
boolean isBytesComparable = dataColumnType.isBytesComparableWith(indexColumnType) ;
if (isBytesComparable && isDataColumnInverted == descIndexColumnBitSet.get(i)) {
output.write(ptr.get(), ptr.getOffset(), ptr.getLength());
} else {
if (!isBytesComparable) {
indexColumnType.coerceBytes(ptr, dataColumnType, dataSortOrder, SortOrder.getDefault());
}
if (descIndexColumnBitSet.get(i) != isDataColumnInverted) {
writeInverted(ptr.get(), ptr.getOffset(), ptr.getLength(), output);
} else {
output.write(ptr.get(), ptr.getOffset(), ptr.getLength());
}
}
if (!indexColumnType.isFixedWidth()) {
output.writeByte(QueryConstants.SEPARATOR_BYTE);
}
}
int length = stream.size();
int minLength = length - maxTrailingNulls;
byte[] indexRowKey = stream.getBuffer();