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Allowing all extra fields in AuditMixin to be nullable
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"""making audit nullable
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Revision ID: 18e88e1cc004
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Revises: 430039611635
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Create Date: 2016-03-13 21:30:24.833107
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"""
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# revision identifiers, used by Alembic.
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revision = '18e88e1cc004'
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down_revision = '430039611635'
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from alembic import op
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import sqlalchemy as sa
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def upgrade():
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### commands auto generated by Alembic - please adjust! ###
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op.alter_column('clusters', 'changed_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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op.alter_column('clusters', 'created_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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try:
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op.drop_constraint(None, 'columns', type_='foreignkey')
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op.drop_constraint(None, 'columns', type_='foreignkey')
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op.drop_column('columns', 'created_on')
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op.drop_column('columns', 'created_by_fk')
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op.drop_column('columns', 'changed_on')
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op.drop_column('columns', 'changed_by_fk')
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except:
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pass
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op.alter_column('css_templates', 'changed_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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op.alter_column('css_templates', 'created_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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op.alter_column('dashboards', 'changed_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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op.alter_column('dashboards', 'created_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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op.create_unique_constraint(None, 'dashboards', ['slug'])
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op.alter_column('datasources', 'changed_by_fk',
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existing_type=sa.INTEGER(),
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nullable=True)
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op.alter_column('datasources', 'changed_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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op.alter_column('datasources', 'created_by_fk',
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existing_type=sa.INTEGER(),
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nullable=True)
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op.alter_column('datasources', 'created_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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op.alter_column('dbs', 'changed_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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op.alter_column('dbs', 'created_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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op.alter_column('slices', 'changed_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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op.alter_column('slices', 'created_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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op.alter_column('sql_metrics', 'changed_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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op.alter_column('sql_metrics', 'created_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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op.alter_column('table_columns', 'changed_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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op.alter_column('table_columns', 'created_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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op.alter_column('tables', 'changed_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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op.alter_column('tables', 'created_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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op.alter_column('url', 'changed_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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op.alter_column('url', 'created_on',
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existing_type=sa.DATETIME(),
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nullable=True)
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### end Alembic commands ###
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def downgrade():
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pass
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@ -35,6 +35,10 @@ QueryResult = namedtuple('namedtuple', ['df', 'query', 'duration'])
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class AuditMixinNullable(AuditMixin):
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created_on = Column(DateTime, default=datetime.now, nullable=True)
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changed_on = Column(
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DateTime, default=datetime.now,
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onupdate=datetime.now, nullable=True)
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@declared_attr
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def created_by_fk(cls):
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return Column(Integer, ForeignKey('ab_user.id'),
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