[Bug] [MTMV] When union rewrite is not supported, the materialized view that requires union can still be rewritten successfully.

[KeeProMise]

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• I had searched in the issues and found no similar issues.

Version

doris 3.0.8 & 4+

What's Wrong?

1.Create partitioned tables and materialized views

2.set enable_materialized_view_union_rewrite=false;

explain select * from t1;

What You Expected?

Materialized view rewrite fail

How to Reproduce?

CREATE TABLE t1 (
          `k1` LARGEINT NOT NULL COMMENT '\"用户id\"',
          `k2` DATE NOT NULL COMMENT '\"数据灌入日期时间\"'
        ) ENGINE=OLAP
        DUPLICATE KEY(`k1`)
        COMMENT 'OLAP'
        PARTITION BY range(`k2`)
        (
        PARTITION p2038 VALUES [("2038-01-01"),("2038-01-03")),
        PARTITION p2020 VALUES [("2020-01-01"),("2020-01-03"))
        )
        DISTRIBUTED BY HASH(`k1`) BUCKETS 2
        PROPERTIES ('replication_num' = '1') ;


        insert into t1 values(1,"2038-01-02"),(2,"2020-01-02");


CREATE MATERIALIZED VIEW mv1
            BUILD DEFERRED REFRESH AUTO ON MANUAL
            partition by(`k2`)
            DISTRIBUTED BY RANDOM BUCKETS 2
            PROPERTIES (
            'replication_num' = '1',
            'partition_sync_limit'='2',
            'partition_sync_time_unit'='YEAR'
            )
            AS
            SELECT * FROM t1;


REFRESH MATERIALIZED VIEW mv1 AUTO ;           

set enable_materialized_view_union_rewrite=false;

explain select * from t1;

Anything Else?

No response

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• Yes I am willing to submit a PR!

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