[GitHub] [incubator-shardingsphere] zcqshine opened a new issue #2137: batchSave IndexOutOfBoundsException

[GitBox <gi...@apache.org>]

zcqshine opened a new issue #2137: batchSave IndexOutOfBoundsException
URL: https://github.com/apache/incubator-shardingsphere/issues/2137
 
 
   ## Bug Report
   version: `4.0.0-RC1-RELEASE` `4.0.0.RC1-SNAPSHOT`
   batchInsert will throwable IndexOutOfBoundsException: Index:0, Size 0
   
   err msg:
   ```
   at java.util.LinkedList.checkElementIndex(LinkedList.java:555)
   	at java.util.LinkedList.get(LinkedList.java:476)
   	at org.apache.shardingsphere.core.optimize.result.InsertColumnValues$InsertColumnValue.getColumnSQLExpressionValue(InsertColumnValues.java:154)
   	at org.apache.shardingsphere.core.optimize.result.InsertColumnValues$InsertColumnValue.fillResultByValues(InsertColumnValues.java:148)
   	at org.apache.shardingsphere.core.optimize.result.InsertColumnValues$InsertColumnValue.toString(InsertColumnValues.java:133)
   	at java.lang.String.valueOf(String.java:2981)
   	at java.lang.StringBuilder.append(StringBuilder.java:131)
   	at org.apache.shardingsphere.core.rewrite.SQLBuilder.appendInsertColumnValue(SQLBuilder.java:197)
   	at org.apache.shardingsphere.core.rewrite.SQLBuilder.appendInsertValuesPlaceholder(SQLBuilder.java:190)
   	at org.apache.shardingsphere.core.rewrite.SQLBuilder.toSQL(SQLBuilder.java:115)
   	at org.apache.shardingsphere.core.rewrite.SQLRewriteEngine.generateSQL(SQLRewriteEngine.java:507)
   	at org.apache.shardingsphere.core.BaseShardingEngine.rewriteAndConvert(BaseShardingEngine.java:90)
   	at org.apache.shardingsphere.core.BaseShardingEngine.shard(BaseShardingEngine.java:65)
   	at org.apache.shardingsphere.shardingjdbc.jdbc.core.statement.ShardingPreparedStatement.shard(ShardingPreparedStatement.java:224)
   	at org.apache.shardingsphere.shardingjdbc.jdbc.core.statement.ShardingPreparedStatement.addBatch(ShardingPreparedStatement.java:215)
   	at sun.reflect.GeneratedMethodAccessor486.invoke(Unknown Source)
   	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:45005)
   	at java.lang.reflect.Method.invoke(Method.java:483)
   ```
   before insert the data, I have checked the `ArrayList` is empty or is null
   ```java
   if (CollectionUtil.isNotEmpty(saveList)){
               flag = functionRelationService.saveBatch(saveList);
   }
   ```
   

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