| 12345678910111213141516171819202122232425262728293031323334353637383940414243 | """initial_migrationRevision ID: 476b167aef80Revises: Create Date: 2019-01-03 17:03:37.684091"""from alembic import opimport sqlalchemy as sa# revision identifiers, used by Alembic.revision = '476b167aef80'down_revision = Nonebranch_labels = Nonedepends_on = Nonedef upgrade():    op.create_table('user',    sa.Column('id', sa.Integer(), nullable=False),    sa.Column('name', sa.String(), nullable=False),    sa.Column('email', sa.String(length=255), nullable=True),    sa.Column('password', sa.String(length=255), nullable=True),    sa.Column('registration_at', sa.DateTime(), nullable=True),    sa.PrimaryKeyConstraint('id'),    sa.UniqueConstraint('email'),    sa.UniqueConstraint('name')    )    op.create_table('page',    sa.Column('id', sa.Integer(), nullable=False),    sa.Column('title', sa.String(), nullable=False),    sa.Column('datetime', sa.DateTime(), nullable=True),    sa.Column('source', sa.String(), nullable=True),    sa.Column('user_id', sa.Integer(), nullable=True),    sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),    sa.PrimaryKeyConstraint('id')    )def downgrade():    op.drop_table('page')    op.drop_table('user')
 |