amorynan commented on code in PR #47096:
URL: https://github.com/apache/doris/pull/47096#discussion_r1991090684
##########
fe/fe-core/src/main/java/org/apache/doris/catalog/ColumnType.java:
##########
@@ -208,12 +209,34 @@ public static void
checkSupportSchemaChangeForComplexType(Type checkType, Type o
if (checkType.isStructType() && other.isStructType()) {
StructType thisStructType = (StructType) checkType;
StructType otherStructType = (StructType) other;
- if (thisStructType.getFields().size() !=
otherStructType.getFields().size()) {
- throw new DdlException("Cannot change struct type with
different field size");
+ // now we only support add new field for struct type
+ if (thisStructType.getFields().size() >
otherStructType.getFields().size()) {
+ throw new DdlException("Cannot reduce struct fields from " +
checkType.toSql() + " to "
+ + other.toSql());
}
- for (int i = 0; i < thisStructType.getFields().size(); i++) {
+ int i = 0;
+ HashSet<String> thisStructNames = new HashSet<>();
+ for (; i < thisStructType.getFields().size(); i++) {
+ // do not support struct same position field name/type change
+ if
(!thisStructType.getFields().get(i).equals(otherStructType.getFields().get(i)))
{
Review Comment:
done! please review again !!!
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