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"""Add json_metadata to the tables table.

Revision ID: b46fa1b0b39e
Revises: ef8843b41dac
Create Date: 2016-10-05 11:30:31.748238

"""

# revision identifiers, used by Alembic.
revision = "b46fa1b0b39e"
down_revision = "ef8843b41dac"

import logging

import sqlalchemy as sa
from alembic import op


def upgrade():
    op.add_column("tables", sa.Column("params", sa.Text(), nullable=True))


def downgrade():
    try:
        op.drop_column("tables", "params")
    except Exception as e:
        logging.warning(str(e))
