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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/07/04 14:47:04 UTC

[GitHub] [arrow-datafusion] Jimexist opened a new issue #671: self-join followed by a projection with duplicated names results in panic

Jimexist opened a new issue #671:
URL: https://github.com/apache/arrow-datafusion/issues/671


   **Describe the bug**
   A clear and concise description of what the bug is.
   
   this is most likely on how we deal with self-joins
   
   **To Reproduce**
   Steps to reproduce the behavior:
   
   ```sql
   SELECT
     t1.c9, t2.c9
   FROM test t1
   INNER JOIN test t2
   ON t1.c9 = t2.c9;
   ```
   
   ```
   thread 'main' panicked at 'index out of bounds: the len is 1 but the index is 1', ~/.cargo/registry/src/github.com-1ecc6299db9ec823/arrow-4.4.0/src/datatypes/schema.rs:165:10
   note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
   ```
   
   **Expected behavior**
   A clear and concise description of what you expected to happen.
   
   **Additional context**
   Add any other context about the problem here.
   


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[GitHub] [arrow-datafusion] houqp commented on issue #671: self-join followed by a projection with duplicated names results in panic

Posted by GitBox <gi...@apache.org>.
houqp commented on issue #671:
URL: https://github.com/apache/arrow-datafusion/issues/671#issuecomment-873636399


   This should be fixed by https://github.com/apache/arrow-datafusion/pull/605


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[GitHub] [arrow-datafusion] alamb closed issue #671: self-join followed by a projection with duplicated names results in panic

Posted by GitBox <gi...@apache.org>.
alamb closed issue #671:
URL: https://github.com/apache/arrow-datafusion/issues/671


   


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[GitHub] [arrow-datafusion] houqp edited a comment on issue #671: self-join followed by a projection with duplicated names results in panic

Posted by GitBox <gi...@apache.org>.
houqp edited a comment on issue #671:
URL: https://github.com/apache/arrow-datafusion/issues/671#issuecomment-873636399


   This should be fixed by https://github.com/apache/arrow-datafusion/pull/605
   
   ```
   >  CREATE EXTERNAL TABLE test(c9 int)
   STORED AS CSV
   LOCATION '/tmp/foo.csv';
   0 rows in set. Query took 0.000 seconds.
   > SELECT
     t1.c9, t2.c9
   FROM test t1
   INNER JOIN test t2
   ON t1.c9 = t2.c9;
   +----+----+
   | c9 | c9 |
   +----+----+
   | 4  | 4  |
   | 3  | 3  |
   | 1  | 1  |
   | 2  | 2  |
   +----+----+
   4 rows in set. Query took 0.021 seconds.
   ```


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