sanjeet006py commented on code in PR #1751:
URL: https://github.com/apache/phoenix/pull/1751#discussion_r1499613217
##########
phoenix-core-server/src/main/java/org/apache/phoenix/coprocessor/BaseScannerRegionObserver.java:
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@@ -527,6 +535,28 @@ public static boolean isMaxLookbackTimeEnabled(long
maxLookbackTime){
return maxLookbackTime > 0L;
}
+ public static long
getMaxLookbackAge(ObserverContext<RegionCoprocessorEnvironment> c) {
+ TableName tableName =
c.getEnvironment().getRegion().getRegionInfo().getTable();
+ String fullTableName = tableName.getNameAsString();
+ Configuration conf = c.getEnvironment().getConfiguration();
+ PTable table;
+ try(PhoenixConnection conn = QueryUtil.getConnectionOnServer(
+ conf).unwrap(PhoenixConnection.class)) {
+ table = conn.getTableNoCache(fullTableName);
+ }
+ catch (Exception e) {
+ if (e instanceof TableNotFoundException) {
+ LOGGER.debug("Ignoring HBase table that is not a Phoenix
table: "
+ + fullTableName);
+ // non-Phoenix HBase tables won't be found, do nothing
Review Comment:
As above WHERE clause was causing FULL SCAN over SYSCAT and to avoid that
went with an alternate approach. Please take a look. Thanks
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