[GitHub] [shardingsphere] trycache0828 opened a new issue #10954: Sharding-JDBC 4.1.1：Error caused by column name is '' of SQL query statement

Wed, 23 Jun 2021 20:20:51 -0700 


trycache0828 opened a new issue #10954:
URL: https://github.com/apache/shardingsphere/issues/10954


   ## Bug Report
   
   ![sharding-jdbc-4 1 
1-SQLUtil](https://user-images.githubusercontent.com/14318621/123197213-ca30f880-d4dd-11eb-97e2-1a263e8c04a5.png)
   
   ### Which version of ShardingSphere did you use?
   
   4.1.1
   
           <dependency>
               <groupId>org.apache.shardingsphere</groupId>
               <artifactId>sharding-jdbc-spring-boot-starter</artifactId>
               <version>4.1.1</version>
           </dependency>
   
           <dependency>
               <groupId>org.apache.shardingsphere</groupId>
               <artifactId>sharding-jdbc-core</artifactId>
               <version>4.1.1</version>
           </dependency>
   
   ### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
   
   ShardingSphere-JDBC
   
   ### Expected behavior
   
   Caused by: java.lang.StringIndexOutOfBoundsException: String index out of 
range: 0
        at java.lang.String.charAt(String.java:658)
        at 
org.apache.shardingsphere.sql.parser.sql.util.SQLUtil.getParenthesesOffset(SQLUtil.java:98)
        at 
org.apache.shardingsphere.sql.parser.sql.util.SQLUtil.getExpressionWithoutOutsideParentheses(SQLUtil.java:92)
        at 
org.apache.shardingsphere.sql.parser.sql.segment.dml.item.ExpressionProjectionSegment.<init>(ExpressionProjectionSegment.java:47)
        at 
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.createProjection(MySQLDMLVisitor.java:474)
        at 
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.visitProjection(MySQLDMLVisitor.java:434)
        at 
org.apache.shardingsphere.sql.parser.mysql.visitor.impl.MySQLDMLVisitor.visitProjection(MySQLDMLVisitor.java:127)
        at 
org.apache.shardingsphere.sql.parser.autogen.MySQLStatementParser$ProjectionContext.accept(MySQLStatementParser.java:5370)
        at 
org.antlr.v4.runtime.tree.AbstractParseTreeVisitor.visit(AbstractParseTreeVisitor.java:18)
   
   ### Actual behavior
   
   Normal resolution
   
   ### Reason analyze (If you can)
   
   Error caused by column name is '' of SQL query statement.As shown in the 
screenshot.
   
   ### Steps to reproduce the behavior, such as: SQL to execute, sharding rule 
configuration, when exception occur etc.
   
   This error in shardingsphere-sql-parser-statement-4.1.1.jar.
   
   This class in org.apache.shardingsphere.sql.parser.sql.util.SQLUtil, the 
method is getParenthesesOffset.
   
   This special case needs to be addressed
   
   ### Example codes for reproduce this issue (such as a github link).
   
   NONE
   


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