FleyX opened a new issue #2076: node sharding table dql did not use default 
data source
URL: https://github.com/apache/incubator-shardingsphere/issues/2076
 
 
   ## Bug Report
   
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   Please answer these questions before submitting your issue. Thanks!
   
   ### Which version of ShardingSphere did you use?
   3.1.0
   ### Which project did you use? Sharding-JDBC or Sharding-Proxy?
   Sharding-JDBC
   ### Expected behavior
   no sharding tables  use default-data-source
   ### Actual behavior
   no sharding tables's select actions did not use default-data-source(ds2) but 
use ds0.
   But update,insert and delete actions use ds2
   ### Reason analyze (If you can)
   
   ### Steps to reproduce the behavior, such as: SQL to execute, sharding rule 
configuration, when exception occur etc.
   config:
   ```yaml
   sharding:
     jdbc:
       datasource:
         names: ds0,ds1,ds2
         ds0:
           type: com.alibaba.druid.pool.DruidDataSource
           driver-class-name: com.mysql.jdbc.Driver
           url: jdbc:mysql://10.82.27.177:3306/ds0
           username: root
           password: 123456
         ds1:
           type: com.alibaba.druid.pool.DruidDataSource
           driver-class-name: com.mysql.jdbc.Driver
           url: jdbc:mysql://10.82.27.177:3306/ds1
           username: root
           password: 123456
         ds2:
           type: com.alibaba.druid.pool.DruidDataSource
           driver-class-name: com.mysql.jdbc.Driver
           url: jdbc:mysql://10.82.27.177:3306/ds2
           username: root
           password: 123456
       config:
         sharding:
           # 默认数据源,可以将不分库分表的数据表放在这里
           default-data-source-name: ds2
           default-database-strategy:
             inline:
               sharding-column: uId
               algorithm-expression: ds$->{uId % 2}
           tables:
             order:
               key-generator-column-name: orderId
               actual-data-nodes: ds$->{0..1}.order$->{0..1}
               table-strategy:
                 inline:
                   sharding-column: orderId
                   algorithm-expression: order$->{orderId%2}
             order_item:
               key-generator-column-name: orderItemId
               actual-data-nodes: ds$->{0..1}.order_item$->{0..1}
               table-strategy:
                 inline:
                   sharding-column: orderId
                   algorithm-expression: orderItemId$->{orderId%2}
         props:
           sql.show: true
   ```
   
   test sql
   ```java
   try (
           try (
                   Connection conn = dataSource.getConnection();
                   Statement statement = conn.createStatement();
           ) {
               statement.execute("insert into user(name,age) value('2012-12-12 
12:12:12',1212)");
               statement.execute("select * from user");
           }
   ```
   
   log:
   ```log
    ShardingSphere-SQL                       : Rule Type: sharding
   ShardingSphere-SQL                       : Logic SQL: insert into 
user(name,age) value('2012-12-12 12:12:12',1212)
    ShardingSphere-SQL                       : SQLStatement: 
InsertStatement(super=DMLStatement(super=io.shardingsphere.core.parsing.parser.sql.dml.insert.InsertStatement@33215ffb),
 columns=[Column(name=name, tableName=user), Column(name=age, tableName=user)], 
generatedKeyConditions=[], 
insertValues=InsertValues(insertValues=[InsertValue(type=VALUES, 
expression=('2012-12-12 12:12:12',1212), parametersCount=0)]), 
columnsListLastPosition=25, generateKeyColumnIndex=-1, 
insertValuesListLastPosition=60)
    ShardingSphere-SQL                       : Actual SQL: ds2 ::: insert into 
user(name,age) value('2012-12-12 12:12:12',1212)
    ShardingSphere-SQL                       : Rule Type: sharding
    ShardingSphere-SQL                       : Logic SQL: select * from user
    ShardingSphere-SQL                       : SQLStatement: 
SelectStatement(super=DQLStatement(super=io.shardingsphere.core.parsing.parser.sql.dql.select.SelectStatement@12548f9a),
 containStar=true, firstSelectItemStartPosition=7, selectListLastPosition=9, 
groupByLastPosition=0, items=[StarSelectItem(owner=Optional.absent())], 
groupByItems=[], orderByItems=[], limit=null, subQueryStatement=null, 
subQueryStatements=[], subQueryConditions=[])
   
    ShardingSphere-SQL                       : Actual SQL: ds0 ::: select * 
from user
   ```
   
   ### Example codes for reproduce this issue (such as a github link).
   

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