[GitHub] [superset] cabo40 opened a new pull request #13830: [SQL Lab] Use utils.json_iso_dttm_ser to dump jsons when async query execution

Fri, 26 Mar 2021 19:25:29 -0700 


cabo40 opened a new pull request #13830:
URL: https://github.com/apache/superset/pull/13830


   ### SUMMARY
   If encoding is not `None`, the default encoder `utils.json_iso_dttm_ser` is 
not used for binary data and instead it tries to encode to the default 'utf-8'. 
   For data exploration on tables with blob columns doing `SELECT *` will throw 
an error.
   This fixes https://github.com/apache/superset/issues/13829
   
   ### BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF
   before:
   
![image](https://user-images.githubusercontent.com/1605852/112707412-da9aee00-8e70-11eb-963d-7836c559c194.png)
   
   after:
   
![image](https://user-images.githubusercontent.com/1605852/112707423-ebe3fa80-8e70-11eb-803c-c33278880a08.png)
   
   ### TEST PLAN
   Try executing `select decode('DEADBEEF', 'hex');` on the sample DB with 
async turned on.
   
   ### ADDITIONAL INFORMATION
   Asynchronous query execution must be enabled for the database.


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