seawinde commented on code in PR #27059:
URL: https://github.com/apache/doris/pull/27059#discussion_r1403066656
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/util/ExpressionUtils.java:
##########
@@ -196,6 +199,26 @@ public static Expression combine(Class<? extends
Expression> type, Collection<Ex
.orElse(BooleanLiteral.of(type == And.class));
}
+ // Replace the slot in expression with the lineage identifier from
specified
+ // baseTable sets or target table types
+ // example as following:
+ // select a + 10 as a1, d from (
+ // select b - 5 as a, d from table
+ // );
+ // after shuttle a1 and d is [b - 5 + 10, d]
+ public static List<? extends Expression>
shuttleExpressionWithLineage(List<? extends Expression> expression,
Review Comment:
OK, have fixed it.
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