### Search before asking - [X] I had searched in the [issues](https://github.com/apache/incubator-doris/issues?q=is%3Aissue) and found no similar issues. ### Description Now, table is order by the `Keys` like `Aggregate Key`.... When we use the sql include `orderby` which match `keys` of table. We can push it. like: ```sql create CREATE TABLE IF NOT EXISTS example_db.expamle_tbl ( `user_id` LARGEINT NOT NULL COMMENT "用户id", `date` DATE NOT NULL COMMENT "数据灌入日期时间", `city` VARCHAR(20) COMMENT "用户所在城市", `age` SMALLINT COMMENT "用户年龄", `sex` TINYINT COMMENT "用户性别", `last_visit_date` DATETIME REPLACE DEFAULT "1970-01-01 00:00:00" COMMENT "用户最后一次访问时间", `cost` BIGINT SUM DEFAULT "0" COMMENT "用户总消费", `max_dwell_time` INT MAX DEFAULT "0" COMMENT "用户最大停留时间", `min_dwell_time` INT MIN DEFAULT "99999" COMMENT "用户最小停留时间" ) AGGREGATE KEY(`user_id`, `date`, `city`, `age`, `sex`) DISTRIBUTED BY HASH(`user_id`) BUCKETS 1 PROPERTIES ( "replication_allocation" = "tag.location.default: 1" ); query: select * from tbl order by user_id, city limit 10; ``` We can push `sort` to `olapscan`. Limit->Sort->OlapScan ------> Limit->Merge->OlapScan. ### Use case _No response_ ### Related issues _No response_ ### Are you willing to submit PR? - [X] Yes I am willing to submit a PR! ### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct)
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