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https://issues.apache.org/jira/browse/PHOENIX-7015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17808007#comment-17808007
]
ASF GitHub Bot commented on PHOENIX-7015:
-----------------------------------------
haridsv commented on code in PR #1794:
URL: https://github.com/apache/phoenix/pull/1794#discussion_r1452019809
##########
phoenix-core/src/main/java/org/apache/phoenix/coprocessor/CDCGlobalIndexRegionScanner.java:
##########
@@ -104,115 +94,74 @@ protected Scan prepareDataTableScan(Collection<byte[]>
dataRowKeys) throws IOExc
protected boolean getNextCoveredIndexRow(List<Cell> result) throws
IOException {
if (indexRowIterator.hasNext()) {
List<Cell> indexRow = indexRowIterator.next();
- for (Cell c: indexRow) {
- if (c.getType() == Cell.Type.Put) {
- result.add(c);
- }
- }
+ Cell firstCell = indexRow.get(indexRow.size() - 1);
+ byte[] indexRowKey = new ImmutableBytesPtr(firstCell.getRowArray(),
+ firstCell.getRowOffset(), firstCell.getRowLength())
+ .copyBytesIfNecessary();
+ ImmutableBytesPtr dataRowKey = new ImmutableBytesPtr(
+ indexToDataRowKeyMap.get(indexRowKey));
+ Result dataRow = dataRows.get(dataRowKey);
+ Long indexCellTs = firstCell.getTimestamp();
Review Comment:
nit: `indexCellTs` reads like plurality, but since TS is an acronym, I
suggest using `indexCellTS` instead.
> Extend UncoveredGlobalIndexRegionScanner for CDC region scanner usecase
> -----------------------------------------------------------------------
>
> Key: PHOENIX-7015
> URL: https://issues.apache.org/jira/browse/PHOENIX-7015
> Project: Phoenix
> Issue Type: Sub-task
> Reporter: Viraj Jasani
> Priority: Major
>
> For CDC region scanner usecase, extend UncoveredGlobalIndexRegionScanner to
> CDCUncoveredGlobalIndexRegionScanner. The new region scanner for CDC performs
> raw scan to index table and retrieve data table rows from index rows.
> Using the time range, it can form a JSON blob to represent changes to the row
> including pre and/or post row images.
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