On Thu, Jan 18, 2018 at 1:35 PM, kris <kkvilek...@gmail.com> wrote:
>
>
> Try to create a postgres specific option while creating index , pointer
> appreciated
>
> this link
> http://alembic.zzzcomputing.com/en/latest/ops.html#alembic.operations.Operations.create_index
> suggest I can pass dialect specific options
>
> def upgrade():
>     op.drop_index('ix_taggable_resource_value', 'taggable')
>     op.create_index('ix_taggable_resource_value', 'taggable', [
> 'resource_value' ],
>                     postgresql_ops = { 'resource_value', 'text_pattern_ops'
> } )

postgresql_ops should be a dictionary, not a set

>
>
> NFO  [alembic.migration] Running upgrade 2cbd9f4d11af -> 318381ec60ba,
> indexes 4 deletes
> Traceback (most recent call last):
>   File "/home/kgk/Envs/bq059/bin/alembic", line 11, in <module>
>     sys.exit(main())
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/alembic/config.py",
> line 298, in main
>     CommandLine(prog=prog).main(argv=argv)
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/alembic/config.py",
> line 293, in main
>     self.run_cmd(cfg, options)
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/alembic/config.py",
> line 279, in run_cmd
>     **dict((k, getattr(options, k)) for k in kwarg)
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/alembic/command.py",
> line 124, in upgrade
>     script.run_env()
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/alembic/script.py",
> line 199, in run_env
>     util.load_python_file(self.dir, 'env.py')
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/alembic/util.py",
> line 205, in load_python_file
>     module = load_module_py(module_id, path)
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/alembic/compat.py",
> line 58, in load_module_py
>     mod = imp.load_source(module_id, path, fp)
>   File "./migrations/env.py", line 76, in <module>
>     run_migrations_online()
>   File "./migrations/env.py", line 69, in run_migrations_online
>     context.run_migrations()
>   File "<string>", line 7, in run_migrations
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/alembic/environment.py",
> line 681, in run_migrations
>     self.get_context().run_migrations(**kw)
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/alembic/migration.py",
> line 225, in run_migrations
>     change(**kw)
>   File "./migrations/versions/318381ec60ba_indexes_4_deletes.py", line 22,
> in upgrade
>     postgresql_ops = { 'resource_value', 'text_pattern_ops' } )
>   File "<string>", line 7, in create_index
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/alembic/operations.py",
> line 698, in create_index
>     self._index(name, table_name, columns, schema=schema, **kw)
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/alembic/ddl/impl.py",
> line 161, in create_index
>     self._exec(schema.CreateIndex(index))
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/alembic/ddl/impl.py",
> line 76, in _exec
>     conn.execute(construct, *multiparams, **params)
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py",
> line 945, in execute
>     return meth(self, multiparams, params)
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/sqlalchemy/sql/ddl.py",
> line 68, in _execute_on_connection
>     return connection._execute_ddl(self, multiparams, params)
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/sqlalchemy/engine/base.py",
> line 996, in _execute_ddl
>     if not self.schema_for_object.is_default else None)
>   File "<string>", line 1, in <lambda>
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/sqlalchemy/sql/elements.py",
> line 436, in compile
>     return self._compiler(dialect, bind=bind, **kw)
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/sqlalchemy/sql/ddl.py",
> line 26, in _compiler
>     return dialect.ddl_compiler(dialect, self, **kw)
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/sqlalchemy/sql/compiler.py",
> line 216, in __init__
>     self.string = self.process(self.statement, **compile_kwargs)
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/sqlalchemy/sql/compiler.py",
> line 242, in process
>     return obj._compiler_dispatch(self, **kwargs)
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/sqlalchemy/sql/visitors.py",
> line 81, in _compiler_dispatch
>     return meth(self, **kw)
>   File
> "/home/kgk/Envs/bq059/local/lib/python2.7/site-packages/sqlalchemy/dialects/postgresql/base.py",
> line 1670, in visit_create_index
>     for expr in index.expressions
> TypeError: 'set' object has no attribute '__getitem__'
> An Unknown exception occured There was a problem initializing the Database
>
> --
> 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.
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-- 
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.
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