# 更新

data-common/src/main/java/com/bailuntec/mapper/DcBaseQueueMapper.java

@@ -162,4 +162,7 @@ public interface DcBaseQueueMapper {
      * @project https://github.com/itfsw/mybatis-generator-plugin
      */
     int upsertWithBLOBs(DcBaseQueue record);
+
+
+    List<DcBaseQueue> poll(int shardingItem);
 }

data-common/src/main/java/com/bailuntec/mapper/DcBaseQueueMapper.xml

@@ -6,20 +6,20 @@
           WARNING - @mbg.generated
           This element is automatically generated by MyBatis Generator, do not modify.
         -->
-    <id column="id" jdbcType="INTEGER" property="id" />
-    <result column="type" jdbcType="VARCHAR" property="type" />
-    <result column="message" jdbcType="VARCHAR" property="message" />
-    <result column="submit_date" jdbcType="TIMESTAMP" property="submitDate" />
-    <result column="consume_date" jdbcType="TIMESTAMP" property="consumeDate" />
-    <result column="error_message" jdbcType="VARCHAR" property="errorMessage" />
-    <result column="queue_type" jdbcType="INTEGER" property="queueType" />
+        <id column="id" jdbcType="INTEGER" property="id"/>
+        <result column="type" jdbcType="VARCHAR" property="type"/>
+        <result column="message" jdbcType="VARCHAR" property="message"/>
+        <result column="submit_date" jdbcType="TIMESTAMP" property="submitDate"/>
+        <result column="consume_date" jdbcType="TIMESTAMP" property="consumeDate"/>
+        <result column="error_message" jdbcType="VARCHAR" property="errorMessage"/>
+        <result column="queue_type" jdbcType="INTEGER" property="queueType"/>
     </resultMap>
     <resultMap extends="BaseResultMap" id="ResultMapWithBLOBs" type="com.bailuntec.domain.entity.DcBaseQueue">
         <!--
           WARNING - @mbg.generated
           This element is automatically generated by MyBatis Generator, do not modify.
         -->
-    <result column="error_stack_trace" jdbcType="LONGVARCHAR" property="errorStackTrace" />
+        <result column="error_stack_trace" jdbcType="LONGVARCHAR" property="errorStackTrace"/>
     </resultMap>
     <sql id="Example_Where_Clause">
         <!--
@@ -110,12 +110,12 @@
         <if test="distinct">
             distinct
         </if>
-    <include refid="Base_Column_List" />
+        <include refid="Base_Column_List"/>
         ,
-    <include refid="Blob_Column_List" />
+        <include refid="Blob_Column_List"/>
         from dc_base_queue
         <if test="_parameter != null">
-      <include refid="Example_Where_Clause" />
+            <include refid="Example_Where_Clause"/>
         </if>
         <if test="orderByClause != null">
             order by ${orderByClause}
@@ -138,10 +138,10 @@
         <if test="distinct">
             distinct
         </if>
-    <include refid="Base_Column_List" />
+        <include refid="Base_Column_List"/>
         from dc_base_queue
         <if test="_parameter != null">
-      <include refid="Example_Where_Clause" />
+            <include refid="Example_Where_Clause"/>
         </if>
         <if test="orderByClause != null">
             order by ${orderByClause}
@@ -161,9 +161,9 @@
           This element is automatically generated by MyBatis Generator, do not modify.
         -->
         select
-    <include refid="Base_Column_List" />
+        <include refid="Base_Column_List"/>
         ,
-    <include refid="Blob_Column_List" />
+        <include refid="Blob_Column_List"/>
         from dc_base_queue
         where id = #{id,jdbcType=INTEGER}
     </select>
@@ -182,7 +182,7 @@
         -->
         delete from dc_base_queue
         <if test="_parameter != null">
-      <include refid="Example_Where_Clause" />
+            <include refid="Example_Where_Clause"/>
         </if>
     </delete>
     <insert id="insert" parameterType="com.bailuntec.domain.entity.DcBaseQueue">
@@ -263,7 +263,7 @@
         -->
         select count(*) from dc_base_queue
         <if test="_parameter != null">
-      <include refid="Example_Where_Clause" />
+            <include refid="Example_Where_Clause"/>
         </if>
     </select>
     <update id="updateByExampleSelective" parameterType="map">
@@ -299,7 +299,7 @@
             </if>
         </set>
         <if test="_parameter != null">
-      <include refid="Update_By_Example_Where_Clause" />
+            <include refid="Update_By_Example_Where_Clause"/>
         </if>
     </update>
     <update id="updateByExampleWithBLOBs" parameterType="map">
@@ -317,7 +317,7 @@
         queue_type = #{record.queueType,jdbcType=INTEGER},
         error_stack_trace = #{record.errorStackTrace,jdbcType=LONGVARCHAR}
         <if test="_parameter != null">
-      <include refid="Update_By_Example_Where_Clause" />
+            <include refid="Update_By_Example_Where_Clause"/>
         </if>
     </update>
     <update id="updateByExample" parameterType="map">
@@ -334,7 +334,7 @@
         error_message = #{record.errorMessage,jdbcType=VARCHAR},
         queue_type = #{record.queueType,jdbcType=INTEGER}
         <if test="_parameter != null">
-      <include refid="Update_By_Example_Where_Clause" />
+            <include refid="Update_By_Example_Where_Clause"/>
         </if>
     </update>
     <update id="updateByPrimaryKeySelective" parameterType="com.bailuntec.domain.entity.DcBaseQueue">
@@ -536,10 +536,10 @@
           @project https://github.com/itfsw/mybatis-generator-plugin
         -->
         select
-    <include refid="Base_Column_List" />
+        <include refid="Base_Column_List"/>
         from dc_base_queue
         <if test="_parameter != null">
-      <include refid="Example_Where_Clause" />
+            <include refid="Example_Where_Clause"/>
         </if>
         <if test="orderByClause != null">
             order by ${orderByClause}
@@ -553,16 +553,24 @@
           @project https://github.com/itfsw/mybatis-generator-plugin
         -->
         select
-    <include refid="Base_Column_List" />
+        <include refid="Base_Column_List"/>
         ,
-    <include refid="Blob_Column_List" />
+        <include refid="Blob_Column_List"/>
         from dc_base_queue
         <if test="_parameter != null">
-      <include refid="Example_Where_Clause" />
+            <include refid="Example_Where_Clause"/>
         </if>
         <if test="orderByClause != null">
             order by ${orderByClause}
         </if>
         limit 1
     </select>
+
+    <select id="poll" resultType="com.bailuntec.domain.entity.DcBaseQueue">
+        select *
+        from dc_base_queue
+        where consume_date is null
+          and id % 8 = #{shardingItem}
+        limit 100
+    </select>
 </mapper>

data-show/show-auto-turnover/src/main/java/com/bailuntec/job/QueueConsumerJob.java

@@ -5,7 +5,6 @@ import com.alibaba.fastjson.annotation.JSONField;
 import com.bailuntec.domain.constant.CommonConstant;
 import com.bailuntec.domain.entity.DcBaseQueue;
 import com.bailuntec.domain.entity.DcBaseStock;
-import com.bailuntec.domain.example.DcBaseQueueExample;
 import com.bailuntec.domain.example.DcBaseStockExample;
 import com.bailuntec.mapper.DcBaseQueueMapper;
 import com.bailuntec.mapper.DcBaseStockMapper;
@@ -45,15 +44,11 @@ public class QueueConsumerJob implements SimpleJob {
     public void execute(ShardingContext shardingContext) {
 
         try (SqlSession sqlSession = SessionUtil.getFactory().openSession(true)) {
-            if (shardingContext.getShardingItem() == 0) {
             AutoTurnoverJob autoTurnoverJob = new AutoTurnoverJob();
             DcBaseQueueMapper dcBaseQueueMapper = sqlSession.getMapper(DcBaseQueueMapper.class);
             DcBaseStockMapper dcBaseStockMapper = sqlSession.getMapper(DcBaseStockMapper.class);
 
-                List<DcBaseQueue> dcBaseQueueList = dcBaseQueueMapper.selectByExample(DcBaseQueueExample.newAndCreateCriteria()
-                        .andConsumeDateIsNull()
-                        .example()
-                        .limit(1000));
+            List<DcBaseQueue> dcBaseQueueList = dcBaseQueueMapper.poll(shardingContext.getShardingItem());
 
             dcBaseQueueList.forEach(dcBaseQueue -> {
                 BaseQueueMessage baseQueueMessage = JSON.parseObject(dcBaseQueue.getMessage(), BaseQueueMessage.class);
@@ -81,5 +76,4 @@ public class QueueConsumerJob implements SimpleJob {
             });
         }
     }
-    }
 }