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"""Create a ``session`` table to store web session data

Revision ID: c381b21cb7e4
Revises: be2bfac3da23
Create Date: 2022-01-25 13:56:35.069429

"""
from __future__ import annotations

import sqlalchemy as sa
from alembic import op

# revision identifiers, used by Alembic.
revision = 'c381b21cb7e4'
down_revision = 'be2bfac3da23'
branch_labels = None
depends_on = None
airflow_version = '2.2.4'

TABLE_NAME = 'session'


def upgrade():
    """Apply Create a ``session`` table to store web session data"""
    op.create_table(
        TABLE_NAME,
        sa.Column('id', sa.Integer()),
        sa.Column('session_id', sa.String(255)),
        sa.Column('data', sa.LargeBinary()),
        sa.Column('expiry', sa.DateTime()),
        sa.PrimaryKeyConstraint('id'),
        sa.UniqueConstraint('session_id'),
    )


def downgrade():
    """Unapply Create a ``session`` table to store web session data"""
    op.drop_table(TABLE_NAME)
