virajjasani commented on code in PR #1937: URL: https://github.com/apache/phoenix/pull/1937#discussion_r1759134665
########## phoenix-core-client/src/main/java/org/apache/phoenix/schema/RowKeySchema.java: ########## @@ -232,11 +262,24 @@ public Boolean previous(ImmutableBytesWritable ptr, int position, int minOffset) byte[] buf = ptr.get(); int offset = ptr.getOffset()-1-offsetAdjustment; // Separator always zero byte if zero length - if (offset > minOffset && buf[offset] != QueryConstants.SEPARATOR_BYTE) { - byte sepByte = SchemaUtil.getSeparatorByte(rowKeyOrderOptimizable, false, field); - do { - offset--; - } while (offset > minOffset && buf[offset] != sepByte); + if (field.getDataType() != PVarbinaryEncoded.INSTANCE) { + if (offset > minOffset && buf[offset] != QueryConstants.SEPARATOR_BYTE) { + byte sepByte = + SchemaUtil.getSeparatorByte(rowKeyOrderOptimizable, false, field); + do { + offset--; + } while (offset > minOffset && buf[offset] != sepByte); + } + } else { + if (offset > minOffset && SchemaUtil.areSeparatorBytesForVarBinaryEncoded(buf, + offset, SortOrder.ASC)) { + boolean ascSort = + !rowKeyOrderOptimizable || field.getSortOrder() == SortOrder.ASC; + do { + offset++; Review Comment: Excellent catch, previous() is not being tested by the tests -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@phoenix.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org