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"""Increase text size for MySQL (not relevant for other DBs' text types)

Revision ID: d2ae31099d61
Revises: 947454bf1dff
Create Date: 2017-08-18 17:07:16.686130

"""

# revision identifiers, used by Alembic.
revision = 'd2ae31099d61'
down_revision = '947454bf1dff'
branch_labels = None
depends_on = None

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import mysql
from alembic import context


def upgrade():
    if context.config.get_main_option('sqlalchemy.url').startswith('mysql'):
        op.alter_column(table_name='variable', column_name='val', type_=mysql.MEDIUMTEXT)


def downgrade():
    if context.config.get_main_option('sqlalchemy.url').startswith('mysql'):
        op.alter_column(table_name='variable', column_name='val', type_=mysql.TEXT)

Increase text size for var field in variables for MySQL
[AIRFLOW-1522] Increase text size for var field in variables for MySQL

Closes #2535 from saguziel/aguziel-increase-text
