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POFlask-SQLAlchemy create_all()
 

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    <p>When i run the dbManager.create_all() command, it runs with out errors but fails to create the tables. When i delete the database and run the create_all() command, i get the no such database as ##### error which i should get but when the database does exist, nothing happens. Please can anyone see what i'm doing wrong?</p> <pre><code>from blogconfig import dbManager class Art(dbManager.Model): id = dbManager.Column(dbManager.Integer, primary_key = True) title = dbManager.Column(dbManager.String(64), index = True, unique = True) content = dbManager.Column(dbManager.Text(5000)) def __repr__(self): return '&lt;Art %r&gt;' %(self.title) </code></pre> <p>EDIT This is the shell command</p> <pre><code>from blogconfig import dbManager &gt;&gt;&gt; dbManager.create_all() import models &gt;&gt;&gt; a = models.Art(title='des', content='asdfvhbdjbjdn') &gt;&gt;&gt; dbManager.session.add(a) &gt;&gt;&gt; dbManager.session.commit() Traceback (most recent call last): File "&lt;stdin&gt;", line 1, in &lt;module&gt; File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/scoping.py", line 149, in do return getattr(self.registry(), name)(*args, **kwargs) File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 721, in commit self.transaction.commit() File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 354, in commit self._prepare_impl() File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 334, in _prepare_impl self.session.flush() File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 1818, in flush self._flush(objects) File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 1936, in _flush transaction.rollback(_capture_exception=True) File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/util/langhelpers.py", line 58, in __exit__ compat.reraise(exc_type, exc_value, exc_tb) File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/session.py", line 1900, in _flush flush_context.execute() File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/unitofwork.py", line 372, in execute rec.execute(self) File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/unitofwork.py", line 525, in execute uow File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/persistence.py", line 64, in save_obj table, insert) File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/orm/persistence.py", line 569, in _emit_insert_statements execute(statement, params) File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 662, in execute params) File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 761, in _execute_clauseelement compiled_sql, distilled_params File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 874, in _execute_context context) File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 1024, in _handle_dbapi_exception exc_info File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/util/compat.py", line 195, in raise_from_cause reraise(type(exception), exception, tb=exc_tb) File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 867, in _execute_context context) File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/default.py", line 324, in do_execute cursor.execute(statement, parameters) File "/usr/lib/python2.7/dist-packages/MySQLdb/cursors.py", line 174, in execute self.errorhandler(self, exc, value) File "/usr/lib/python2.7/dist-packages/MySQLdb/connections.py", line 36, in defaulterrorhandler raise errorclass, errorvalue sqlalchemy.exc.ProgrammingError: (ProgrammingError) (1146, "Table 'blog.art' doesn't exist") 'INSERT INTO art (title, content) VALUES (%s, %s)' ('des', 'asdfvhbdjbjdn') </code></pre>
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    1. USAntti Haapala
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    1. COif you would publish also the shell commands you execute it would be much easier to tell you what you are missing.
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      1. USMarco Pashkov
    2. COIt's impossible for us to know the issue because you have discussed an issue that relates to your entire codebase. You'll need to investigate the issue more to be able to pinpoint where the problem is occurring yourself. I would recommend enabling SQLAlchemy logging and making sure that the database tables are being created correctly during the `create_all()` call. I imagine that you're importing things incorrectly, causing the metadata to not be filled, so `create_all()` does not recognize that it needs to create tables.
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      1. USMark Hildreth
 

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