zhannngchen commented on code in PR #13872:
URL: https://github.com/apache/doris/pull/13872#discussion_r1012676443
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fe/fe-core/src/test/java/org/apache/doris/catalog/CreateTableTest.java:
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@@ -208,6 +208,15 @@ public void testNormal() throws DdlException {
+ "distributed by hash(k2) buckets 1\n"
+ "properties('replication_num' = '1');"));
+ // table with sequence col
+ ExceptionChecker
Review Comment:
We also need a ut for alter table?
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docs/zh-CN/docs/data-operate/update-delete/sequence-column-manual.md:
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@@ -64,15 +64,24 @@ Sequence列建表时在property中增加了一个属性，用来标识`__DORIS_S
**建表**
-创建Uniq表时，可以指定sequence列类型
+方法一：创建Uniq表时，可以指定sequence列到其他column的映射。
+
+```text
+PROPERTIES (
+ "function_column.sequence_col" = 'column_name',
+);
+```
+sequence_col用来指定sequence列到其他column的映射，该列可以为整型和时间类型（DATE、DATETIME），创建后不能更改该列的类型。导入时不用再指定映射列。如果设置了`function_column.sequence_col`,
`function_column.sequence_type`将被忽略。
+
+方法二：创建Uniq表时，可以指定sequence列类型。
Review Comment:
We'd better hide the usage of method 2, it's only for compatibility to keep
the old impl.
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