morrySnow commented on code in PR #12433:
URL: https://github.com/apache/doris/pull/12433#discussion_r964796270
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/functions/AggregateFunction.java:
##########
@@ -17,31 +17,59 @@
package org.apache.doris.nereids.trees.expressions.functions;
+import org.apache.doris.nereids.exceptions.UnboundException;
import org.apache.doris.nereids.trees.expressions.Expression;
import org.apache.doris.nereids.trees.expressions.visitor.ExpressionVisitor;
import org.apache.doris.nereids.types.DataType;
/** AggregateFunction. */
public abstract class AggregateFunction extends BoundFunction {
- private DataType intermediate;
+ /**
+ * indicate current function used in local stage or global stage.
+ */
+ protected final boolean isLocal;
public AggregateFunction(String name, Expression... arguments) {
+ this(name, false, arguments);
+ }
+
+ public AggregateFunction(String name, boolean isLocal, Expression...
arguments) {
super(name, arguments);
+ this.isLocal = isLocal;
+ }
+
+ public boolean isLocal() {
+ return isLocal;
}
public abstract DataType getIntermediateType();
Review Comment:
this is useful in future
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