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DBLE date分区类型不支持between语法, 并且> < 会扫描全部库? #3423

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JeremyYu2018 opened this issue Sep 28, 2022 · 7 comments
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@JeremyYu2018
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cluster.cnf



bootstrap.cnf



db.xml



user.xml



sharding.xml

<?xml version="1.0"?>
<!--
  ~ Copyright (C) 2016-2022 ActionTech.
  ~ License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher.
  -->

<dble:sharding xmlns:dble="http://dble.cloud/" version="4.0">

    <schema name="foodgame"  sqlMaxLimit="100">
        <shardingTable name="user_money_log" shardingNode="dn$0-9" function="func_partbydate" shardingColumn="LOG_DATE"/>
    </schema>
    <!-- sharding testdb2 route to database named dn5 in localhost2  -->
    <shardingNode name="dn0" dbGroup="dbGroup1"  database="foodgame_00"/>
    <shardingNode name="dn1" dbGroup="dbGroup1"  database="foodgame_01"/>
    <shardingNode name="dn2" dbGroup="dbGroup1"  database="foodgame_02"/>
    <shardingNode name="dn3" dbGroup="dbGroup1"  database="foodgame_03"/>
    <shardingNode name="dn4" dbGroup="dbGroup1"  database="foodgame_04"/>
    <shardingNode name="dn5" dbGroup="dbGroup1"  database="foodgame_05"/>
    <shardingNode name="dn6" dbGroup="dbGroup1"  database="foodgame_06"/>
    <shardingNode name="dn7" dbGroup="dbGroup1"  database="foodgame_07"/>
    <shardingNode name="dn8" dbGroup="dbGroup1"  database="foodgame_08"/>
    <shardingNode name="dn9" dbGroup="dbGroup1"  database="foodgame_09"/>

   <function name="func_partbydate" class="date">
       <property name="dateFormat">yyyy-MM-dd</property>
       <property name="sBeginDate">2022-01-01</property>
       <property name="sPartionDay">30</property>
       <property name="defaultNode">0</property>
  </function>

</dble:sharding>

insert into user_money_log(id,user_id,type,begin_num, log_date) values( 2, 1, 1, 3, '2022-09-29 17:33:03');
insert into user_money_log(id,user_id,type,begin_num, log_date) values( 2, 1, 1, 3, '2022-010-29 17:33:03');

  1. 不支持between语法

image

  1. < 会扫描所有的库
    image

  2. 只有=能定位到具体某一个分区
    image

@PanternBao
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can join QQGroup 669663113 to communicate

@JeremyYu2018
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can join QQGroup 669663113 to communicate

请问下能复现么?

@wangjuan-action
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问题1:不支持between语法
根据你的分片配置,30天一个分区,一共10个分区,2022-10-29超过了分区范围,因此执行between语句报错,如果日期在分区范围内,between可以执行成功
问题2:< 会扫描所有的库
目前只支持between...and...语句按分区查询,< 、> 语句会扫描所有分片

@PanternBao PanternBao added the community issue from community label Sep 29, 2022
@JeremyYu2018
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问题2有计划修复么

@JeremyYu2018
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问题2有计划修复么

@wangjuan-action

@wangjuan-action
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问题2有计划修复么

@wangjuan-action

暂无计划,可使用between...and...语句 @yuzhaoge

@PanternBao
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refer to #3425

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