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"""Fix tos and cos field types
Revision ID: 4c573e7135bd
Revises: 21e526ad3040
Create Date: 2014-03-05 12:16:56.618630
"""
# revision identifiers, used by Alembic.
revision = '4c573e7135bd'
down_revision = '21e526ad3040'
from alembic import op
from alembic import context
import sqlalchemy as sa
from sqlalchemy.dialects.postgresql import ENUM
YESNO_NAME = 'yesno_values'
YESNO_VALUES = ['yes', 'no']
def upgrade():
op.alter_column('ps_endpoints', 'tos_audio',
type_=sa.String(10))
op.alter_column('ps_endpoints', 'tos_video',
type_=sa.String(10))
op.alter_column('ps_transports', 'tos',
type_=sa.String(10))
# Can't cast YENO_VALUES to Integers, so dropping and adding is required
op.drop_column('ps_endpoints', 'cos_audio')
op.drop_column('ps_endpoints', 'cos_video')
op.drop_column('ps_transports', 'cos')
op.add_column('ps_endpoints', sa.Column('cos_audio', sa.Integer))
op.add_column('ps_endpoints', sa.Column('cos_video', sa.Integer))
op.add_column('ps_transports', sa.Column('cos', sa.Integer))
pass
def downgrade():
yesno_values = ENUM(*YESNO_VALUES, name=YESNO_NAME, create_type=False)
# Can't cast string to YESNO_VALUES, so dropping and adding is required
op.drop_column('ps_endpoints', 'tos_audio')
op.drop_column('ps_endpoints', 'tos_video')
op.drop_column('ps_transports', 'tos')
op.add_column('ps_endpoints', sa.Column('tos_audio', yesno_values))
op.add_column('ps_endpoints', sa.Column('tos_video', yesno_values))
op.add_column('ps_transports', sa.Column('tos', yesno_values))
# Can't cast integers to YESNO_VALUES, so dropping and adding is required
op.drop_column('ps_endpoints', 'cos_audio')
op.drop_column('ps_endpoints', 'cos_video')
op.drop_column('ps_transports', 'cos')
op.add_column('ps_endpoints', sa.Column('cos_audio', yesno_values))
op.add_column('ps_endpoints', sa.Column('cos_video', yesno_values))
op.add_column('ps_transports', sa.Column('cos', yesno_values))
pass
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