Yes, that is the case, sorry for the lack of context. Example:
query = delete(MyMapper.__table__).where(MyMapper.my_column == value) result = session.execute(explain(query)) # exception occurs Le lun. 28 mai 2018 à 12:09, Mike Bayer <[email protected]> a écrit : > I would assume you're putting an insert(), update() , or delete() into > the explain() ? that codepath wouldn't be called otherwise, or if > you can show me exactly how to reproduce we can update the recipe. > thanks! > > On Mon, May 28, 2018 at 11:51 AM, Charles Langlois > <[email protected]> wrote: > > Following the recipe to create an 'explain' clause element on the > bitbucket > > repository, trying to execute a query using `explain` result in an > attribute > > error: > > > > SubTest error: Traceback (most recent call last): > > File "/usr/lib/python3.6/unittest/case.py", line 59, in > testPartExecutor > > yield > > File "/usr/lib/python3.6/unittest/case.py", line 523, in subTest > > yield > > File "/home/charles/PycharmProjects/my_project/models.py", line 39, in > > test_delete_cascade > > result = self.session.execute(explain_query).fetchall() > > File > > > "/home/charles/PycharmProjects/my_project/.env/lib/python3.6/site-packages/sqlalchemy/orm/session.py", > > line 1170, in execute > > bind, close_with_result=True).execute(clause, params or {}) > > File > > > "/home/charles/PycharmProjects/my_project/.env/lib/python3.6/site-packages/sqlalchemy/engine/base.py", > > line 948, in execute > > return meth(self, multiparams, params) > > File > > > "/home/charles/PycharmProjects/my_project/.env/lib/python3.6/site-packages/sqlalchemy/sql/elements.py", > > line 269, in _execute_on_connection > > return connection._execute_clauseelement(self, multiparams, params) > > File > > > "/home/charles/PycharmProjects/my_project/.env/lib/python3.6/site-packages/sqlalchemy/engine/base.py", > > line 1053, in _execute_clauseelement > > if not self.schema_for_object.is_default else None) > > File "<string>", line 1, in <lambda> > > File > > > "/home/charles/PycharmProjects/my_project/.env/lib/python3.6/site-packages/sqlalchemy/sql/elements.py", > > line 442, in compile > > return self._compiler(dialect, bind=bind, **kw) > > File > > > "/home/charles/PycharmProjects/my_project/.env/lib/python3.6/site-packages/sqlalchemy/sql/elements.py", > > line 448, in _compiler > > return dialect.statement_compiler(dialect, self, **kw) > > File > > > "/home/charles/PycharmProjects/my_project/.env/lib/python3.6/site-packages/sqlalchemy/sql/compiler.py", > > line 457, in __init__ > > ) and statement._returning: > > AttributeError: 'explain' object has no attribute '_returning' > > > > Adding 'self._returning = False' in the __init__ of explain solves the > > issue. Maybe something is missing in the documentation? > > > > -- > > SQLAlchemy - > > The Python SQL Toolkit and Object Relational Mapper > > > > http://www.sqlalchemy.org/ > > > > To post example code, please provide an MCVE: Minimal, Complete, and > > Verifiable Example. See http://stackoverflow.com/help/mcve for a full > > description. > > --- > > You received this message because you are subscribed to the Google Groups > > "sqlalchemy" group. > > To unsubscribe from this group and stop receiving emails from it, send an > > email to [email protected]. > > To post to this group, send email to [email protected]. > > Visit this group at https://groups.google.com/group/sqlalchemy. > > For more options, visit https://groups.google.com/d/optout. > > -- > SQLAlchemy - > The Python SQL Toolkit and Object Relational Mapper > > http://www.sqlalchemy.org/ > > To post example code, please provide an MCVE: Minimal, Complete, and > Verifiable Example. See http://stackoverflow.com/help/mcve for a full > description. > --- > You received this message because you are subscribed to a topic in the > Google Groups "sqlalchemy" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/sqlalchemy/XtY8K3O_d68/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/sqlalchemy. > For more options, visit https://groups.google.com/d/optout. > -- *Charles Langlois* * Programmeur-analyste - Programmer Analyst* www.konversion.ca <http://www.konversion.ca/?utm_source=emailsignature&utm_medium=email&utm_content=vous-etes-pas-de-taille-from-jl&utm_campaign=konversion-email> <http://www.konversion.ca/?utm_source=emailsignature&utm_medium=email&utm_content=vous-etes-pas-de-taille-from-jl&utm_campaign=konversion-email> 5605 avenue de Gaspé <https://maps.google.com/?q=5605+avenue+de+Gasp%C3%A9&entry=gmail&source=g>, Suite 902 Montréal, QC, Canada - H2T 2A4 -- SQLAlchemy - The Python SQL Toolkit and Object Relational Mapper http://www.sqlalchemy.org/ To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. See http://stackoverflow.com/help/mcve for a full description. --- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.
