[Enhancement](array-type) Add readable information in subquery for array type #12463

2022-09-09 11:17:50 +08:00
parent a04f9814fe
commit 73351917ab
1 changed files with 3 additions and 1 deletions
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/Subquery.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/Subquery.java
@ -109,7 +109,9 @@ public class Subquery extends Expr {
        ArrayList<Expr> stmtResultExprs = stmt.getResultExprs();
        if (stmtResultExprs.size() == 1) {
            type = stmtResultExprs.get(0).getType();
-            Preconditions.checkState(!type.isComplexType());
+            if (type.isComplexType()) {
+                throw new AnalysisException("A subquery should not return Array/Map/Struct type: " + toSql());
+            }
        } else {
            type = createStructTypeFromExprList();
        }