use Table._columns to remove columns (addresses #112)
- add SQLA_07 predicate in migrate/changeset/__init__.py - use Table._columns instead of Table.c when removing columns in migrate/changeset/schema.py
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@ -14,6 +14,7 @@ warnings.simplefilter('always', DeprecationWarning)
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_sa_version = tuple(int(re.match("\d+", x).group(0)) for x in _sa_version.split("."))
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SQLA_06 = _sa_version >= (0, 6)
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SQLA_07 = _sa_version >= (0, 7)
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del re
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del _sa_version
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@ -11,7 +11,7 @@ from sqlalchemy.schema import ForeignKeyConstraint
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from sqlalchemy.schema import UniqueConstraint
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from migrate.exceptions import *
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from migrate.changeset import SQLA_06
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from migrate.changeset import SQLA_06, SQLA_07
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from migrate.changeset.databases.visitor import (get_engine_visitor,
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run_single_visitor)
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@ -590,7 +590,10 @@ populated with defaults
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table.constraints = table.constraints - to_drop
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if table.c.contains_column(self):
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table.c.remove(self)
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if SQLA_07:
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table._columns.remove(self)
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else:
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table.c.remove(self)
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# TODO: this is fixed in 0.6
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def copy_fixed(self, **kw):
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