dble/docker-images/quick-start/rule.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
  ~ Copyright (C) 2016-2019 ActionTech.
  ~ License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher.
  -->

<!-- - - Licensed under the Apache License, Version 2.0 (the "License");
	- you may not use this file except in compliance with the License. - You
	may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0
	- - Unless required by applicable law or agreed to in writing, software -
	distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT
	WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the
	License for the specific language governing permissions and - limitations
	under the License. -->
<!DOCTYPE dble:rule SYSTEM "rule.dtd">
<dble:rule xmlns:dble="http://dble.cloud/" version="2.0">
    <tableRule name="rule_enum">
        <rule>
            <columns>code</columns>
            <algorithm>func_enum</algorithm>
        </rule>
    </tableRule>

    <tableRule name="rule_range">
        <rule>
            <columns>id</columns>
            <algorithm>func_range</algorithm>
        </rule>
    </tableRule>

    <tableRule name="rule_common_hash">
        <rule>
            <columns>id</columns>
            <algorithm>func_common_hash</algorithm>
        </rule>
    </tableRule>

    <tableRule name="rule_common_hash2">
        <rule>
            <columns>id2</columns>
            <algorithm>func_common_hash</algorithm>
        </rule>
    </tableRule>

    <tableRule name="rule_uneven_hash">
        <rule>
            <columns>id</columns>
            <algorithm>func_uneven_hash</algorithm>
        </rule>
    </tableRule>

    <tableRule name="rule_mod">
        <rule>
            <columns>id</columns>
            <algorithm>func_mod</algorithm>
        </rule>
    </tableRule>
    <tableRule name="rule_jumpHash">
        <rule>
            <columns>code</columns>
            <algorithm>func_jumpHash</algorithm>
        </rule>
    </tableRule>

    <tableRule name="rule_hashString">
        <rule>
            <columns>code</columns>
            <algorithm>func_hashString</algorithm>
        </rule>
    </tableRule>

    <tableRule name="rule_date">
        <rule>
            <columns>create_date</columns>
            <algorithm>func_date</algorithm>
        </rule>
    </tableRule>

    <tableRule name="rule_pattern">
        <rule>
            <columns>id</columns>
            <algorithm>func_pattern</algorithm>
        </rule>
    </tableRule>


    <!-- enum partition -->
    <function name="func_enum" class="Enum">
        <property name="mapFile">partition-enum.txt</property>
        <property name="defaultNode">0</property><!--the default is -1,means unexpected value will report error-->
        <property name="type">0</property><!--0 means key is a number, 1 means key is a string-->
    </function>

    <!-- number range partition -->
    <function name="func_range" class="NumberRange">
        <property name="mapFile">partition-number-range.txt</property>
        <property name="defaultNode">0</property><!--he default is -1,means unexpected value will report error-->
    </function>


    <!-- Hash partition,when partitionLength=1, it is a mod partition-->
    <!--MAX(sum(count*length[i]) must not more then 2880-->
    <function name="func_common_hash" class="Hash">
        <property name="partitionCount">2</property>
        <property name="partitionLength">512</property>
    </function>
    <!-- Hash partition,when partitionLength=1, it is a mod partition-->
    <!--MAX(sum(count*length[i]) must not more then 2880-->
    <function name="func_uneven_hash" class="Hash">
        <property name="partitionCount">2,1</property>
        <property name="partitionLength">256,512</property>
    </function>

    <!-- eg:  mod 4 -->
    <function name="func_mod" class="Hash">
        <property name="partitionCount">4</property>
        <property name="partitionLength">1</property>
    </function>

    <!-- jumpStringHash partition for string-->
    <function name="func_jumpHash" class="jumpStringHash">
        <property name="partitionCount">2</property>
        <property name="hashSlice">0:2</property>
    </function>

    <!-- Hash partition for string-->
    <function name="func_hashString" class="StringHash">
        <property name="partitionCount">4</property>
        <property name="partitionLength">256</property>
        <property name="hashSlice">0:2</property>
        <!--<property name="hashSlice">-4:0</property> -->
    </function>

    <!-- date partition -->
    <!-- 4 case:
    1.set sEndDate and defaultNode: input <sBeginDate ,router to defaultNode; input>sEndDate ,mod the period
    2.set sEndDate, but no defaultNode:input <sBeginDate report error; input>sEndDate ,mod the period
    3.set defaultNode without sEndDate: input <sBeginDate router to defaultNode;input>sBeginDate + (node size)*sPartionDay-1 will report error(expected is defaultNode,but can't control now)
    4.sEndDate and defaultNode are all not set: input <sBeginDate report error;input>sBeginDate + (node size)*sPartionDay-1 will report error
     -->
    <function name="func_date" class="Date">
        <property name="dateFormat">yyyy-MM-dd</property>
        <property name="sBeginDate">2015-01-01</property>
        <property name="sEndDate">2015-01-31
        </property> <!--if not set sEndDate,then in fact ,the sEndDate = sBeginDate+ (node size)*sPartionDay-1 -->
        <property name="sPartionDay">10</property>
        <property name="defaultNode">0</property><!--the default is -1-->
    </function>

    <!-- pattern partition -->
    <!--mapFile must contains all value of 0~patternValue-1,key and value must be Continuous increase-->
    <function name="func_pattern" class="PatternRange">
        <property name="mapFile">partition-pattern.txt</property>
        <property name="patternValue">1024</property>
        <property name="defaultNode">0</property><!--contains string which is not number,router to default node-->
    </function>


</dble:rule>