food/food-document/db/mycat/local/rule.xml

<?xml version="1.0" encoding="UTF-8"?>
<!-- - - 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 mycat:rule SYSTEM "rule.dtd">
<mycat:rule xmlns:mycat="http://io.mycat/">
	<tableRule name="rule1">
		<rule>
			<columns>id</columns>
			<algorithm>func1</algorithm>
		</rule>
	</tableRule>

	<tableRule name="rule2">
		<rule>
			<columns>user_id</columns>
			<algorithm>func1</algorithm>
		</rule>
	</tableRule>

	<tableRule name="sharding-by-intfile">
		<rule>
			<columns>sharding_id</columns>
			<algorithm>hash-int</algorithm>
		</rule>
	</tableRule>
	<tableRule name="auto-sharding-long">
		<rule>
			<columns>id</columns>
			<algorithm>rang-long</algorithm>
		</rule>
	</tableRule>
	<tableRule name="mod-long">
		<rule>
			<columns>id</columns>
			<algorithm>mod-long</algorithm>
		</rule>
	</tableRule>
	<tableRule name="sharding-by-murmur">
		<rule>
			<columns>id</columns>
			<algorithm>murmur</algorithm>
		</rule>
	</tableRule>
	<tableRule name="crc32slot">
		<rule>
			<columns>id</columns>
			<algorithm>crc32slot</algorithm>
		</rule>
	</tableRule>
	<tableRule name="sharding-by-month">
		<rule>
			<columns>create_time</columns>
			<algorithm>partbymonth</algorithm>
		</rule>
	</tableRule>
	<tableRule name="latest-month-calldate">
		<rule>
			<columns>calldate</columns>
			<algorithm>latestMonth</algorithm>
		</rule>
	</tableRule>
	
	<tableRule name="auto-sharding-rang-mod">
		<rule>
			<columns>id</columns>
			<algorithm>rang-mod</algorithm>
		</rule>
	</tableRule>
	
	<tableRule name="jch">
		<rule>
			<columns>id</columns>
			<algorithm>jump-consistent-hash</algorithm>
		</rule>
	</tableRule>

	<tableRule name="sharding-by-tenantidfile">
		<rule>
			<columns>tenantId</columns>
			<algorithm>tenant-hash-int</algorithm>
		</rule>
	</tableRule>
	
	<tableRule name="sharding-by-date">
		<rule>
			<columns>saleDate</columns>
			<algorithm>partbydate</algorithm>
		</rule>
	</tableRule>
	
	<tableRule name="sharding-by-month-saleDate">
		<rule>
			<columns>saleDate</columns>
			<algorithm>partbymonth-2017</algorithm>
		</rule>
	</tableRule>
	
	<tableRule name="sharding-by-rangeDateHash-saleDate">
		<rule>
			<columns>saleDate</columns>
			<algorithm>rang-date-hash-2017</algorithm>
		</rule>
	</tableRule>
	
	<tableRule name="mod-long-10">
		<rule>
			<columns>id</columns>
			<algorithm>mod-long-10</algorithm>
		</rule>
	</tableRule>
	
	<tableRule name="mod-long-10-ticketId">
		<rule>
			<columns>ticketId</columns>
			<algorithm>mod-long-10</algorithm>
		</rule>
	</tableRule>
	
	<function name="murmur"
		class="io.mycat.route.function.PartitionByMurmurHash">
		<property name="seed">0</property><!-- 默认是0 -->
		<property name="count">2</property><!-- 要分片的数据库节点数量，必须指定，否则没法分片 -->
		<property name="virtualBucketTimes">160</property><!-- 一个实际的数据库节点被映射为这么多虚拟节点，默认是160倍，也就是虚拟节点数是物理节点数的160倍 -->
		<!-- <property name="weightMapFile">weightMapFile</property> 节点的权重，没有指定权重的节点默认是1。以properties文件的格式填写，以从0开始到count-1的整数值也就是节点索引为key，以节点权重值为值。所有权重值必须是正整数，否则以1代替 -->
		<!-- <property name="bucketMapPath">/etc/mycat/bucketMapPath</property> 
			用于测试时观察各物理节点与虚拟节点的分布情况，如果指定了这个属性，会把虚拟节点的murmur hash值与物理节点的映射按行输出到这个文件，没有默认值，如果不指定，就不会输出任何东西 -->
	</function>

	<function name="crc32slot"
			  class="io.mycat.route.function.PartitionByCRC32PreSlot">
		<property name="count">2</property><!-- 要分片的数据库节点数量，必须指定，否则没法分片 -->
	</function>
	<function name="hash-int"
		class="io.mycat.route.function.PartitionByFileMap">
		<property name="mapFile">partition-hash-int.txt</property>
	</function>
	<function name="rang-long"
		class="io.mycat.route.function.AutoPartitionByLong">
		<property name="mapFile">autopartition-long.txt</property>
	</function>
	<function name="mod-long" class="io.mycat.route.function.PartitionByMod">
		<!-- how many data nodes -->
		<property name="count">3</property>
	</function>

	<function name="func1" class="io.mycat.route.function.PartitionByLong">
		<property name="partitionCount">8</property>
		<property name="partitionLength">128</property>
	</function>
	<function name="latestMonth"
		class="io.mycat.route.function.LatestMonthPartion">
		<property name="splitOneDay">24</property>
	</function>
	<function name="partbymonth"
		class="io.mycat.route.function.PartitionByMonth">
		<property name="dateFormat">yyyy-MM-dd</property>
		<property name="sBeginDate">2015-01-01</property>
	</function>
	
	<function name="rang-mod" class="io.mycat.route.function.PartitionByRangeMod">
        	<property name="mapFile">partition-range-mod.txt</property>
	</function>
	
	<function name="jump-consistent-hash" class="io.mycat.route.function.PartitionByJumpConsistentHash">
		<property name="totalBuckets">3</property>
	</function>
	
	<function name="tenant-hash-int"
		class="io.mycat.route.function.PartitionByFileMap">
		<property name="mapFile">tenant-partition-hash-int.txt</property>
	</function>
	
	<function name="partbydate"
		class="io.mycat.route.function.PartitionByDate">
		<property name="dateFormat">yyyy-MM-dd</property>
		<property name="sBeginDate">2017-01-01</property>
		<!--
		<property name="sEndDate">2017-01-02</property>
		<property name="sPartionDay">10</property>
		-->
		<property name="sPartionDay">2</property>
	</function>
	
	<function name="partbymonth-2017"
		class="io.mycat.route.function.PartitionByMonth">
		<property name="dateFormat">yyyy-MM-dd</property>
		<property name="sBeginDate">2017-01-01</property>
	</function>
	
	<function name="rang-date-hash-2017"
		class="io.mycat.route.function.PartitionByRangeDateHash">
		<property name="sBeginDate">2017-01-01 00:00:00</property>
		<property name="sPartionDay">3</property>
		<property name="dateFormat">yyyy-MM-dd HH:mm:ss</property>
		<property name="groupPartionSize">1</property>
	</function>
	
	<function name="mod-long-10" class="io.mycat.route.function.PartitionByMod">
		<property name="count">10</property>
	</function>
	
</mycat:rule>