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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/08/12 14:18:32 UTC

[GitHub] [arrow-datafusion] ozgrakkurt opened a new issue, #3117: eq operator doesn't work on binary data

ozgrakkurt opened a new issue, #3117:
URL: https://github.com/apache/arrow-datafusion/issues/3117

   Hello,
   
   I am trying to use datafusion to query multiple parquet files.
   
   Comparing a binary column with binary literal using eq operator doesn't work.
   
   I expect this to just work since eq works on strings. 
   
   I have this code:
   ```rust
   let address = prefix_hex::decode::<Vec<u8>>(&self.address).map_err(Error::InvalidHexInAddress)?;
   let mut expr = col("log.address").eq(lit(address));
   ```
   and I get this error:
   ```
   failed to execute query:\nArrow error: External error: Arrow error: External error: Execution error: Arrow error: External error: Arrow error: External error: Execution error: Arrow error: External error:
   Internal error: Data type Binary(\"161,250,161,19,203,229,52,54,223,40,255,10,238,84,39,92,19,180,9,117\") not supported for scalar operation 'eq' on dyn array.
   This was likely caused by a bug in DataFusion's code and we would welcome that you file an bug report in our issue tracker
   ```
   
   I tracked the error message to [here](https://github.com/apache/arrow-datafusion/blob/3eb55e9a0510d872f6f7765b1a5f17db46486e45/datafusion/physical-expr/src/expressions/binary.rs#L642)
   
   Shouldn't there be a match arm for `Binary` data?
   


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[GitHub] [arrow-datafusion] alamb closed issue #3117: eq operator doesn't work on binary data

Posted by GitBox <gi...@apache.org>.
alamb closed issue #3117: eq operator doesn't work on binary data
URL: https://github.com/apache/arrow-datafusion/issues/3117


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[GitHub] [arrow-datafusion] alamb commented on issue #3117: eq operator doesn't work on binary data

Posted by GitBox <gi...@apache.org>.
alamb commented on issue #3117:
URL: https://github.com/apache/arrow-datafusion/issues/3117#issuecomment-1214136083

   Thanks for the report @ozgrakkurt 
   
   > Shouldn't there be a match arm for Binary data?
   
   Yes I think you are exactly correct. 
   
   If you have time, we would welcome a contribution to fix the issue


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[GitHub] [arrow-datafusion] ozgrakkurt commented on issue #3117: eq operator doesn't work on binary data

Posted by GitBox <gi...@apache.org>.
ozgrakkurt commented on issue #3117:
URL: https://github.com/apache/arrow-datafusion/issues/3117#issuecomment-1214157316

   @alamb created #3124 


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