amorynan commented on code in PR #49452:
URL: https://github.com/apache/doris/pull/49452#discussion_r2013266131
##########
fe/fe-core/src/main/java/org/apache/doris/catalog/ColumnType.java:
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@@ -196,7 +197,10 @@ public static void checkForTypeLengthChange(Type src, Type
dst) throws DdlExcept
// return true if the checkType and other are both char-type otherwise
return false,
// which used in checkSupportSchemaChangeForComplexType
private static boolean checkSupportSchemaChangeForCharType(Type checkType,
Type other) throws DdlException {
- if (checkType.isStringType() && other.isStringType()) {
+ if (checkType.getPrimitiveType() == PrimitiveType.VARCHAR
Review Comment:
please add FE UT in
fe/fe-core/src/test/java/org/apache/doris/alter/SchemaChangeHandlerTest.java
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