[GitHub] mstump opened a new issue #5180: Can't add table with more than 1000 columns

[GitBox <gi...@apache.org>]

mstump opened a new issue #5180: Can't add table with more than 1000 columns
URL: https://github.com/apache/incubator-superset/issues/5180
 
 
   Make sure these boxes are checked before submitting your issue - thank you!
   
   - [X] I have checked the superset logs for python stacktraces and included it here as text if any
   - [X] I have reproduced the issue with at least the latest released version of superset
   - [X] I have checked the issue tracker for the same issue and I haven't found one similar
   
   If you attempt to add a very wide table with (more than 1000 columns) and then refresh the metadata superset will error because the query inserting metadata into sqlite has too many parameters. In this instance I'm adding a bigquery table with around 1.5k columns.
   
   ### Superset version
   ```0.25.6```
   
   ### Expected results
   Successful metadata refresh on very wide tables (>1000 columns).
   
   ### Actual results
   ```
           Traceback (most recent call last):
     File "/usr/local/lib/python3.5/dist-packages/sqlalchemy/engine/base.py", line 1193, in _execute_context
       context)
     File "/usr/local/lib/python3.5/dist-packages/sqlalchemy/engine/default.py", line 507, in do_execute
       cursor.execute(statement, parameters)
   sqlite3.OperationalError: Expression tree is too large (maximum depth 1000)
   
   The above exception was the direct cause of the following exception:
   
   Traceback (most recent call last):
     File "/usr/local/lib/python3.5/dist-packages/flask/app.py", line 1982, in wsgi_app
       response = self.full_dispatch_request()
     File "/usr/local/lib/python3.5/dist-packages/flask/app.py", line 1614, in full_dispatch_request
       rv = self.handle_user_exception(e)
     File "/usr/local/lib/python3.5/dist-packages/flask/app.py", line 1517, in handle_user_exception
       reraise(exc_type, exc_value, tb)
     File "/usr/local/lib/python3.5/dist-packages/flask/_compat.py", line 33, in reraise
       raise value
     File "/usr/local/lib/python3.5/dist-packages/flask/app.py", line 1612, in full_dispatch_request
       rv = self.dispatch_request()
     File "/usr/local/lib/python3.5/dist-packages/flask/app.py", line 1598, in dispatch_request
       return self.view_functions[rule.endpoint](**req.view_args)
     File "/usr/local/lib/python3.5/dist-packages/flask_appbuilder/views.py", line 578, in action_post
       return action.func(items)
     File "/usr/local/lib/python3.5/dist-packages/superset/connectors/sqla/views.py", line 300, in refresh
       t.fetch_metadata()
     File "/usr/local/lib/python3.5/dist-packages/superset/connectors/sqla/models.py", line 760, in fetch_metadata
       dbcols = {dbcol.column_name: dbcol for dbcol in dbcols}
     File "/usr/local/lib/python3.5/dist-packages/sqlalchemy/orm/query.py", line 2878, in __iter__
       return self._execute_and_instances(context)
     File "/usr/local/lib/python3.5/dist-packages/sqlalchemy/orm/query.py", line 2901, in _execute_and_instances
       result = conn.execute(querycontext.statement, self._params)
     File "/usr/local/lib/python3.5/dist-packages/sqlalchemy/engine/base.py", line 948, in execute
       return meth(self, multiparams, params)
     File "/usr/local/lib/python3.5/dist-packages/sqlalchemy/sql/elements.py", line 269, in _execute_on_connection
       return connection._execute_clauseelement(self, multiparams, params)
     File "/usr/local/lib/python3.5/dist-packages/sqlalchemy/engine/base.py", line 1060, in _execute_clauseelement
       compiled_sql, distilled_params
     File "/usr/local/lib/python3.5/dist-packages/sqlalchemy/engine/base.py", line 1200, in _execute_context
       context)
     File "/usr/local/lib/python3.5/dist-packages/sqlalchemy/engine/base.py", line 1413, in _handle_dbapi_exception
       exc_info
     File "/usr/local/lib/python3.5/dist-packages/sqlalchemy/util/compat.py", line 203, in raise_from_cause
       reraise(type(exception), exception, tb=exc_tb, cause=cause)
     File "/usr/local/lib/python3.5/dist-packages/sqlalchemy/util/compat.py", line 186, in reraise
       raise value.with_traceback(tb)
     File "/usr/local/lib/python3.5/dist-packages/sqlalchemy/engine/base.py", line 1193, in _execute_context
       context)
     File "/usr/local/lib/python3.5/dist-packages/sqlalchemy/engine/default.py", line 507, in do_execute
       cursor.execute(statement, parameters)
   sqlalchemy.exc.OperationalError: (sqlite3.OperationalError) Expression tree is too large (maximum depth 1000) [SQL: 'SELECT table_columns.created_on AS table_columns_created_on, table_columns.changed_on AS table_columns_changed_on, table_columns.id AS table_columns_id, table_columns.column_name AS table_columns_column_name, table_columns.verbose_name AS table_columns_verbose_name, table_columns.is_active AS table_columns_is_active, table_columns.type AS table_columns_type, table_columns.groupby AS table_columns_groupby, table_columns.count_distinct AS table_columns_count_distinct, table_columns.sum AS table_columns_sum, table_columns.avg AS table_columns_avg, table_columns.max AS table_columns_max, table_columns.min AS table_columns_min, table_columns.filterable AS table_columns_filterable, table_columns.description AS table_columns_description, table_columns.table_id AS table_columns_table_id, table_columns.is_dttm AS table_columns_is_dttm, table_columns.expression AS table_columns_expression, table_columns.python_date_format AS table_columns_python_date_format, table_columns.database_expression AS table_columns_database_expression, table_columns.changed_by_fk AS table_columns_changed_by_fk, table_columns.created_by_fk AS table_columns_created_by_fk \nFROM table_columns \nWHERE ? = table_columns.table_id AND (table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? 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OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? 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OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ? OR table_columns.column_name = ?)'] [parameters: (...)] (Background on this error at: http://sqlalche.me/e/e3q8)
   ```
   
   ### Steps to reproduce
   1. Install pybigquery
   1. Run superset
   1. Add table with more than 1000 columns
   1. Refresh metadata for table
   
   
   

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