morrySnow commented on code in PR #14867:
URL: https://github.com/apache/doris/pull/14867#discussion_r1045844784


##########
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/expression/rewrite/rules/TypeCoercion.java:
##########
@@ -160,6 +164,17 @@ public Expression visitInPredicate(InPredicate 
inPredicate, ExpressionRewriteCon
                 .orElse(newInPredicate);
     }
 
+    @Override
+    public Expression visitBitNot(BitNot bitNot, ExpressionRewriteContext 
context) {
+        Expression child = rewrite(bitNot.child(), context);
+        if 
(child.getDataType().toCatalogDataType().getPrimitiveType().ordinal()
+                > PrimitiveType.LARGEINT.ordinal()) {
+            child = new Cast(child, BigIntType.INSTANCE);
+            return bitNot.withChildren(child);
+        }
+        return bitNot;

Review Comment:
   en..., it is still not right, need to substitute child when child has changed



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