private void appendScanRow(StringBuilder buf, Bound bound) {
ScanRanges scanRanges = context.getScanRanges();
KeyRange minMaxRange = context.getMinMaxRange();
Iterator<byte[]> minMaxIterator = Iterators.emptyIterator();
if (minMaxRange != null) {
RowKeySchema schema = tableRef.getTable().getRowKeySchema();
if (!minMaxRange.isUnbound(bound)) {
minMaxIterator = new RowKeyValueIterator(schema, minMaxRange.getRange(bound));
}
}
int nRanges = scanRanges.getRanges().size();
for (int i = 0, minPos = 0; minPos < nRanges || minMaxIterator.hasNext(); i++) {
List<KeyRange> ranges = minPos >= nRanges ? EVERYTHING : scanRanges.getRanges().get(minPos++);
KeyRange range = bound == Bound.LOWER ? ranges.get(0) : ranges.get(ranges.size() - 1);
byte[] b = range.getRange(bound);
Boolean isNull =
KeyRange.IS_NULL_RANGE == range
? Boolean.TRUE
: KeyRange.IS_NOT_NULL_RANGE == range ? Boolean.FALSE : null;
if (minMaxIterator.hasNext()) {
byte[] bMinMax = minMaxIterator.next();
int cmp = Bytes.compareTo(bMinMax, b) * (bound == Bound.LOWER ? 1 : -1);
if (cmp > 0) {
minPos = nRanges;
b = bMinMax;
isNull = null;
} else if (cmp < 0) {
minMaxIterator = Iterators.emptyIterator();
}
}
appendPKColumnValue(buf, b, isNull, i);
buf.append(',');
}
}
private void appendKeyRanges(StringBuilder buf) {
ScanRanges scanRanges = context.getScanRanges();
KeyRange minMaxRange = context.getMinMaxRange();
if (minMaxRange == null
&& (scanRanges == ScanRanges.EVERYTHING || scanRanges == ScanRanges.NOTHING)) {
return;
}
buf.append(" [");
StringBuilder buf1 = new StringBuilder();
appendScanRow(buf1, Bound.LOWER);
buf.append(buf1);
buf.setCharAt(buf.length() - 1, ']');
StringBuilder buf2 = new StringBuilder();
appendScanRow(buf2, Bound.UPPER);
if (!StringUtil.equals(buf1, buf2)) {
buf.append(" - [");
buf.append(buf2);
}
buf.setCharAt(buf.length() - 1, ']');
}