Could you please share the query profile so that I could help you find
the problem.

liuwangfa <liuwan...@yeah.net> 于2023年2月28日周二 11:42写道:
>
> 您好:
>      这个字段已经建立索引 但是还是很慢  INDEX idx_TRADE_DATE_STR (`TRADE_DATE_STR`) USING 
> INVERTED COMMENT '';doris集群 1个fe 3个be 都为16核64G服务器
>
>
>
>
> mysql> select * from mkt_cyq_chips2  where TRADE_DATE_STR >'20180116' order 
> by TRADE_DATE_STR  limit 1;
> +-----------+------------+-------+----------------+---------+------------+
> | TS_CODE   | TRADE_DATE | PRICE | TRADE_DATE_STR | PERCENT | PRICE_STEP |
> +-----------+------------+-------+----------------+---------+------------+
> | 000002.SZ | 2018-01-17 | 21.46 | 20180117       |    2.58 |       NULL |
> +-----------+------------+-------+----------------+---------+------------+
> 1 row in set (26.13 sec)
>
>
> mysql> select * from mkt_cyq_chips2  where TRADE_DATE_STR >'20180116'  limit 
> 1;
> +-----------+------------+-------+----------------+---------+------------+
> | TS_CODE   | TRADE_DATE | PRICE | TRADE_DATE_STR | PERCENT | PRICE_STEP |
> +-----------+------------+-------+----------------+---------+------------+
> | 000005.SZ | 2018-01-17 |  0.21 | 20180117       |    0.01 |       NULL |
> +-----------+------------+-------+----------------+---------+------------+
> 1 row in set (0.13 sec)
>
>
> mysql>
> mysql> select count(*) from mkt_cyq_chips2  where TRADE_DATE_STR >'20180116'  
> limit 1;
> +-----------+
> | count(*)  |
> +-----------+
> | 502685518 |
> +-----------+
> 1 row in set (9.31 sec)
>
>
> mysql>
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> --
>
> 刘望发
> 上海网达软件有限公司
> 地址:上海市浦东新区新金桥路27号13号楼3层
> 手机:13801863843
> 电邮:liuwan...@wondertek.com.cn
> 网络无处不在,沟通及时到达



-- 
Best Regards,
Yi Guo Lei
SelectDB
The Best Cloud Native Platform for Apache Doris
Tel:134-3991-0228
Email:yiguo...@gmail.com

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