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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2022/01/14 09:02:30 UTC
[GitHub] [shardingsphere] LittlePluumLYY opened a new issue #14773: subquery as column Bug
LittlePluumLYY opened a new issue #14773:
URL: https://github.com/apache/shardingsphere/issues/14773
## Bug Report
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### Which version of ShardingSphere did you use?
5.0
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
ShardingSphere-JDBC
### Expected behavior
Example Sql:
select a.col,(select b.col from b where b.aid=a.bid) from a;
Expect above sql execute correctly in same database
### Actual behavior
sqlParser recognized the 'a' in 'a.bid' in subquery as logical table when above sql been parsed, produced a SimpleTableSegment 'a' not exists.
when some place like GroupByMemoryMergedResult.getValueCaseSensitiveFromTables lookup the SelectStatementContext.getAllTables, maybe produce NullPointerException.
### Reason analyze (If you can)
sqlParse do not linked the table or table alias between subquery and outer query.
### Steps to reproduce the behavior, such as: SQL to execute, sharding rule configuration, when exception occur etc.
### Example codes for reproduce this issue (such as a github link).
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[GitHub] [shardingsphere] tuichenchuxin commented on issue #14773: subquery as column Bug
Posted by GitBox <gi...@apache.org>.
tuichenchuxin commented on issue #14773:
URL: https://github.com/apache/shardingsphere/issues/14773#issuecomment-1085622985
Closed due to no reply for a long time.
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[GitHub] [shardingsphere] tuichenchuxin commented on issue #14773: subquery as column Bug
Posted by GitBox <gi...@apache.org>.
tuichenchuxin commented on issue #14773:
URL: https://github.com/apache/shardingsphere/issues/14773#issuecomment-1014183528
I want to investigate this issue.
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[GitHub] [shardingsphere] tuichenchuxin commented on issue #14773: subquery as column Bug
Posted by GitBox <gi...@apache.org>.
tuichenchuxin commented on issue #14773:
URL: https://github.com/apache/shardingsphere/issues/14773#issuecomment-1014216298
Can you show me a demo to try or give me your config.
I can't reproduce it.
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[GitHub] [shardingsphere] tuichenchuxin closed issue #14773: subquery as column Bug
Posted by GitBox <gi...@apache.org>.
tuichenchuxin closed issue #14773:
URL: https://github.com/apache/shardingsphere/issues/14773
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