madhamanchiharsha opened a new issue #12785:
URL: https://github.com/apache/superset/issues/12785


   A clear and concise description of what the bug is.
   
   So while importing Dataset i have 2 different schemas in postgres and in 
this 2 different schemas i have 2  tables with same names i cant import both 
table as datasets into superset.
   
   
   ### Expected results
   Both table should be accepted and create new dataset for each table as they 
are from 2 different schemas.
   
   ### Actual results
   
   sqlalchemy/engine/default.py", line 593, in do_execute
   cursor.execute(statement, parameters)
   sqlalchemy.exc.IntegrityError: (raised as a result of Query-invoked 
autoflush; consider using a session.no_autoflush block if this flush is 
occurring prematurely)
   (sqlite3.IntegrityError) UNIQUE constraint failed: tables.table_name
   [SQL: INSERT INTO tables (uuid, created_on, changed_on, description, 
default_endpoint, is_featured, filter_select_enabled, "offset", cache_timeout, 
params, perm, schema_perm, table_name, main_dttm_col, database_id, 
fetch_values_predicate, schema, sql, is_sqllab_view, template_params, extra, 
created_by_fk, changed_by_fk) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, 
?, ?, ?, ?, ?, ?, ?, ?, ?)]
   [parameters: (<memory at 0x7f7fc06ea7c0>, '2021-01-27 10:27:54.715090', 
'2021-01-27 10:27:54.715100', None, None, 0, 0, 0, None, None, None, None, 
'a6', None, 4, None, 'mr', None, 0, None, None, 2, 2)]
   (Background on this error at: http://sqlalche.me/e/13/gkpj)
   Error creating model DatasetRestApi: Dataset could not be created.
   ERROR:superset.datasets.api:Error creating model DatasetRestApi: Dataset 
could not be created.
   INFO:werkzeug:127.0.0.1 - - [27/Jan/2021 10:27:54] "POST /api/v1/dataset/ 
HTTP/1.1" 422 -
   
   #### Screenshots
   
![step-1](https://user-images.githubusercontent.com/14903753/105945321-168d1f00-608b-11eb-94c9-186be5b0f2fe.png)
   
![step-2](https://user-images.githubusercontent.com/14903753/105945326-18ef7900-608b-11eb-9fc9-7c787ffc5533.png)
   
![step-3](https://user-images.githubusercontent.com/14903753/105945328-1a20a600-608b-11eb-8fa4-b966a0d74293.png)
   
   #### How to reproduce the bug
   
   1. create 2 different schemas in postgres and connect to that database in 
superset 
   2. now add schema1.table1 dataset , again add schema2.table1
   4. Now you can see the error
   
   ### Environment
   
   (please complete the following information):
   
   - superset version: `1.0.0`
   - python version: `3.8.5`
   
   ### Checklist
   
   Make sure to follow these steps before submitting your issue - thank you!
   
   - [ ] I have checked the superset logs for python stacktraces and included 
it here as text if there are any.
   - [ ] I have reproduced the issue with at least the latest released version 
of superset.
   - [ ] I have checked the issue tracker for the same issue and I haven't 
found one similar.
   
   ### Additional context
   
   Add any other context about the problem here.
   


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