cambyzju opened a new pull request, #36494:
URL: https://github.com/apache/doris/pull/36494
## Proposed changes
There are lots of basic usage problems for MAP and STRUCT in v1.2, so we
forbid them on v1.2
such as:
```
CREATE TABLE `test` (
`k1` varchar(20) NULL COMMENT "",
`v` MAP<varchar(20),varchar(200)> NULL COMMENT ""
) ENGINE = OLAP
DISTRIBUTED BY HASH(`k1`)
BUCKETS 1
PROPERTIES ("replication_num" = "1");
```
```
> desc test;
+-------+------------------------------------------+------+-------+---------+-------+
| Field | Type | Null | Key | Default
| Extra |
+-------+------------------------------------------+------+-------+---------+-------+
| k1 | VARCHAR(20) | Yes | true | NULL
| |
| v | org.apache.doris.catalog.MapType@7c62f50 | Yes | false | NULL
| NONE |
+-------+------------------------------------------+------+-------+---------+-------+
```
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