superset/migrations/versions/ad4d656d92bc_add_avg_metric.py

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"""Add avg() to default metrics

Revision ID: ad4d656d92bc
Revises: b46fa1b0b39e
Create Date: 2016-10-25 10:16:39.871078

"""

# revision identifiers, used by Alembic.
revision = "ad4d656d92bc"
down_revision = "7e3ddad2a00b"

import sqlalchemy as sa
from alembic import op


def upgrade():
    op.add_column("columns", sa.Column("avg", sa.Boolean(), nullable=True))
    op.add_column("table_columns", sa.Column("avg", sa.Boolean(), nullable=True))


def downgrade():
    with op.batch_alter_table("columns") as batch_op:
        batch_op.drop_column("avg")
    with op.batch_alter_table("table_columns") as batch_op:
        batch_op.drop_column("avg")