worker24h commented on a change in pull request #1617: Add PreAgg Hint
URL: https://github.com/apache/incubator-doris/pull/1617#discussion_r313198872
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File path: fe/src/main/java/org/apache/doris/planner/SingleNodePlanner.java
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@@ -327,6 +325,10 @@ private void turnOffPreAgg(AggregateInfo aggInfo,
SelectStmt selectStmt, Analyze
break;
}
+ if (((OlapScanNode)root).getForceOpenPreAgg()) {
+ return;//OlapScanNode has be forced opened PreAgg then the
function return directly.
Review comment:
if return value of the function `getForceOpenPreAgg()` is true, the
OlapScanNode has be set TRUE，so we don't call
**`olapNode.setIsPreAggregation(true, null);`**
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