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"""concept_id is string
Revision ID: 88214d86a9d1
Revises: 79ff53a30228
Create Date: 2023-01-18 13:17:21.700138
"""
from alembic import op
import sqlalchemy as sa
# revision identifiers, used by Alembic.
revision = '88214d86a9d1'
down_revision = '79ff53a30228'
def upgrade():
op.alter_column('concept', 'concept_id', _type=sa.String)
def downgrade():
op.alter_column('concept', 'concept_id', _type=sa.Integer)