morrySnow commented on code in PR #53918:
URL: https://github.com/apache/doris/pull/53918#discussion_r2238166504
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/load/NereidsDataDescription.java:
##########
@@ -1166,8 +1167,10 @@ public DataDescription toDataDescription(ConnectContext
ctx) throws AnalysisExce
List<Expr> legacyColumnMappingList = new ArrayList<>();
if (this.columnMappingList != null &&
!this.columnMappingList.isEmpty()) {
for (Expression expression : this.columnMappingList) {
- if (expression != null) {
-
legacyColumnMappingList.add(PlanUtils.translateToLegacyExpr(expression, null,
ctx));
+ if (expression != null && expression instanceof EqualTo) {
Review Comment:
expression must be EqualTo, if so add else and throw excption in it
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