Github user chrajeshbabu commented on a diff in the pull request:
https://github.com/apache/phoenix/pull/156#discussion_r58639358
--- Diff:
phoenix-core/src/main/java/org/apache/phoenix/iterate/TableResultIterator.java
---
@@ -107,8 +127,37 @@ public synchronized void close() throws SQLException {
@Override
public synchronized Tuple next() throws SQLException {
initScanner();
- Tuple t = scanIterator.next();
- return t;
+ try {
+ lastTuple = scanIterator.next();
+ if (lastTuple != null) {
+ ImmutableBytesWritable ptr = new ImmutableBytesWritable();
+ lastTuple.getKey(ptr);
+ }
+ } catch (SQLException e) {
+ try {
+ throw ServerUtil.parseServerException(e);
+ } catch(StaleRegionBoundaryCacheException e1) {
+ if(scan.getAttribute(NON_AGGREGATE_QUERY)!=null) {
+ Scan newScan = ScanUtil.newScan(scan);
+ if(lastTuple != null) {
+ lastTuple.getKey(ptr);
+ byte[] startRowSuffix =
ByteUtil.copyKeyBytesIfNecessary(ptr);
+ if(ScanUtil.isLocalIndex(newScan)) {
+ newScan.setAttribute(SCAN_START_ROW_SUFFIX,
ByteUtil.nextKey(startRowSuffix));
+ } else {
+
newScan.setStartRow(ByteUtil.nextKey(startRowSuffix));
+ }
+ }
+
plan.getContext().getConnection().getQueryServices().clearTableRegionCache(htable.getTableName());
+ this.scanIterator =
+
plan.iterator(DefaultParallelScanGrouper.getInstance(), newScan);
--- End diff --
You mean we can check the in region boundary again in post scanner open and
if it's out of range throw stale region boundary exception which will be
handled by BaseResultIterators?
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