57 lines
2.3 KiB
Python
57 lines
2.3 KiB
Python
"""Add pickuppending/shippingpending status
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Revision ID: fc0fbabc5fb6
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Revises: 6e57deac23f2
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Create Date: 2020-04-09 16:21:00.191895
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"""
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from alembic import op
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import sqlalchemy as sa
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# revision identifiers, used by Alembic.
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revision = 'fc0fbabc5fb6'
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down_revision = '6e57deac23f2'
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branch_labels = None
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depends_on = None
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old_options = ('new', 'confirmed', 'allocated', 'fulfilled', 'rejected', 'spam', 'delegated', 'intransit')
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new_options = sorted(old_options + ('shippingpending','pickuppending'))
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old_type = sa.Enum(*old_options, name='status')
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new_type = sa.Enum(*new_options, name='status')
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tmp_type = sa.Enum(*new_options, name='_status')
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fsr = sa.sql.table('faceshield_request',
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sa.Column('status', new_type, nullable=False))
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def upgrade():
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# Create a tempoary "_status" type, convert and drop the "old" type
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tmp_type.create(op.get_bind(), checkfirst=False)
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op.execute('ALTER TABLE faceshield_request ALTER COLUMN status DROP DEFAULT, ALTER COLUMN status TYPE _status'
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' USING status::text::_status')
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old_type.drop(op.get_bind(), checkfirst=False)
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# Create and convert to the "new" status type
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new_type.create(op.get_bind(), checkfirst=False)
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op.execute('ALTER TABLE faceshield_request ALTER COLUMN status TYPE status'
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' USING status::text::status, ALTER COLUMN status SET DEFAULT \'new\'::status')
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tmp_type.drop(op.get_bind(), checkfirst=False)
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def downgrade():
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op.execute(fsr.update().where(fsr.c.status==u'shippingpending')
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.values(status='intransit'))
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op.execute(fsr.update().where(fsr.c.status==u'pickupppending')
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.values(status='allocated'))
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# Create a tempoary "_status" type, convert and drop the "new" type
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tmp_type.create(op.get_bind(), checkfirst=False)
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op.execute('ALTER TABLE faceshield_request ALTER COLUMN status DROP DEFAULT, ALTER COLUMN status TYPE _status'
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' USING status::text::_status')
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new_type.drop(op.get_bind(), checkfirst=False)
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# Create and convert to the "old" status type
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old_type.create(op.get_bind(), checkfirst=False)
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op.execute('ALTER TABLE faceshield_request ALTER COLUMN status TYPE status'
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' USING status::text::status, ALTER COLUMN status SET DEFAULT \'new\'::status')
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tmp_type.drop(op.get_bind(), checkfirst=False)
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