yangzhg commented on a change in pull request #6817:
URL: https://github.com/apache/incubator-doris/pull/6817#discussion_r727675299
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File path:
docs/en/sql-reference-v2/sql-statements/Data-Definition-Statements/Create/CREATE-TABLE.md
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@@ -108,7 +108,7 @@ distribution_info
MIN: Find the minimum value. Suitable for numeric types.
MAX: Find the maximum value. Suitable for numeric types.
REPLACE: Replace. For rows with the same dimension column, the
index column will be imported in the order of import, and the last imported
will replace the first imported.
- REPLACE_IF_NOT_NULL: non-null value replacement. The difference
with REPLACE is that there is no replacement for null values.
+ REPLACE_IF_NOT_NULL: non-null value replacement. The difference
with REPLACE is that there is no replacement for null values. It should be
noted here that the default value should be NULL, not a nullable string. If it
is an empty string, you should replace it with an empty string
Review comment:
```suggestion
REPLACE_IF_NOT_NULL: non-null value replacement. The difference
with REPLACE is that there is no replacement for null values. It should be
noted here that the default value should be NULL, not an empty string. If it is
an empty string, you should replace it with an empty string
```
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