sandeepvinayak commented on a change in pull request #951:
URL: https://github.com/apache/phoenix/pull/951#discussion_r517140962
##########
File path:
phoenix-core/src/main/java/org/apache/phoenix/replication/SystemCatalogWALEntryFilter.java
##########
@@ -35,30 +36,30 @@
* be copied. This WALEntryFilter will only allow tenant-owned rows in
SYSTEM.CATALOG to
* be replicated. Data from all other tables is automatically passed.
*/
-public class SystemCatalogWALEntryFilter implements WALEntryFilter {
+public class SystemCatalogWALEntryFilter implements WALEntryFilter,
WALCellFilter {
+ // This is an optimization to just skip the cell filter if we do not care
about
+ // cell filter for certain WALEdits.
+ private boolean skipCellFilter;
@Override
public WAL.Entry filter(WAL.Entry entry) {
-
+ // We use the WALCellFilter to filter the cells from entry, WALEntryFilter
+ // should not block anything
//if the WAL.Entry's table isn't System.Catalog or System.Child_Link, it
auto-passes this filter
- //TODO: when Phoenix drops support for pre-1.3 versions of HBase, redo as
a WALCellFilter
if (!SchemaUtil.isMetaTable(entry.getKey().getTableName().getName())){
- return entry;
+ skipCellFilter = true;
+ } else {
+ skipCellFilter = false;
}
+ return entry;
+ }
- List<Cell> cells = entry.getEdit().getCells();
- List<Cell> cellsToRemove = Lists.newArrayList();
- for (Cell cell : cells) {
- if (!isTenantRowCell(cell)){
- cellsToRemove.add(cell);
- }
- }
- cells.removeAll(cellsToRemove);
- if (cells.size() > 0) {
- return entry;
- } else {
- return null;
+ @Override
+ public Cell filterCell(WAL.Entry entry, Cell cell) {
+ if (skipCellFilter) {
+ return cell;
}
+ return isTenantRowCell(cell) ? cell : null;
}
private boolean isTenantRowCell(Cell cell) {
Review comment:
yes, it should be same, I will change that
```java
public byte [] get() {
if (this.bytes == null) {
throw new IllegalStateException("Uninitialiized. Null constructor " +
"called w/o accompaying readFields invocation");
}
return this.bytes;
}
```
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