"""create breeds table Revision ID: 1234567890ab Revises: Create Date: 2023-05-24 10:30:00.000000 """ from alembic import op import sqlalchemy as sa from sqlalchemy.dialects.postgresql import UUID # revision identifiers, used by Alembic. revision = '1234567890ab' down_revision = None branch_labels = None depends_on = None def upgrade(): op.create_table( 'breeds', sa.Column('id', UUID(as_uuid=True), primary_key=True, server_default=sa.text("uuid_generate_v4()")), sa.Column('name', sa.String, nullable=False, unique=True), sa.Column('description', sa.String), sa.Column('origin', sa.String), sa.Column('breed_group', sa.String), sa.Column('created_at', sa.DateTime, server_default=sa.func.now()), sa.Column('updated_at', sa.DateTime, server_default=sa.func.now(), onupdate=sa.func.now()) ) op.create_index('ix_breeds_name', 'breeds', ['name'], unique=True) def downgrade(): op.drop_index('ix_breeds_name', 'breeds') op.drop_table('breeds')