Wei-hao-Li commented on code in PR #17294:
URL: https://github.com/apache/iotdb/pull/17294#discussion_r2940224107
##########
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/planner/TableOperatorGenerator.java:
##########
@@ -2852,6 +2862,70 @@ public Operator visitAggregationTreeDeviceViewScan(
return treeAlignedDeviceViewAggregationScanOperator;
}
+ @Override
+ public Operator visitNonAlignedAggregationTreeDeviceViewScan(
+ NonAlignedAggregationTreeDeviceViewScanNode node,
LocalExecutionPlanContext context) {
+ QualifiedObjectName qualifiedObjectName = node.getQualifiedObjectName();
+ TsTable tsTable =
+ DataNodeTableCache.getInstance()
+ .getTable(qualifiedObjectName.getDatabaseName(),
qualifiedObjectName.getObjectName());
+ IDeviceID.TreeDeviceIdColumnValueExtractor idColumnValueExtractor =
+
createTreeDeviceIdColumnValueExtractor(DataNodeTreeViewSchemaUtils.getPrefixPath(tsTable));
+
+ AbstractAggTableScanOperator.AbstractAggTableScanOperatorParameter
parameter =
+ constructAbstractAggTableScanOperatorParameter(
+ node,
+ context,
+ TreeAlignedDeviceViewAggregationScanOperator.class.getSimpleName(),
+ node.getMeasurementColumnNameMap(),
+ tsTable.getCachedTableTTL());
+
+ // construct source operator (generator)
+ TreeNonAlignedDeviceViewScanNode scanNode =
+ new TreeNonAlignedDeviceViewScanNode(
+ node.getPlanNodeId(),
+ node.getQualifiedObjectName(),
+ // the outputSymbols of AggTableScanNode is not equals with
TableScanNode
+ parameter.getOutputSymbols(),
Review Comment:
Yes, the tree operator will always return `time` column. And the `tag` and
`attribute` column we can build use deviceEntry in
TreeNonAlignedDeviceViewAggregationScanOperator.
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