From d55b9961704f913312ae17f837f62d1822802ecf Mon Sep 17 00:00:00 2001 From: Alexis Metaireau Date: Thu, 3 Jan 2019 13:29:56 +0100 Subject: Do not allow negative weights on users (Fixes #362) (#366) --- .../a67119aa3ee5_migrate_negative_weights.py | 38 ++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 ihatemoney/migrations/versions/a67119aa3ee5_migrate_negative_weights.py (limited to 'ihatemoney/migrations') diff --git a/ihatemoney/migrations/versions/a67119aa3ee5_migrate_negative_weights.py b/ihatemoney/migrations/versions/a67119aa3ee5_migrate_negative_weights.py new file mode 100644 index 0000000..ec23470 --- /dev/null +++ b/ihatemoney/migrations/versions/a67119aa3ee5_migrate_negative_weights.py @@ -0,0 +1,38 @@ +"""Migrate negative weights + +Revision ID: a67119aa3ee5 +Revises: afbf27e6ef20 +Create Date: 2018-12-25 18:34:20.220844 + +""" + +# revision identifiers, used by Alembic. +revision = 'a67119aa3ee5' +down_revision = 'afbf27e6ef20' + +from alembic import op +import sqlalchemy as sa +# Snapshot of the person table +person_helper = sa.Table( + 'person', sa.MetaData(), + sa.Column('id', sa.Integer(), nullable=False), + sa.Column('project_id', sa.String(length=64), nullable=True), + sa.Column('name', sa.UnicodeText(), nullable=True), + sa.Column('activated', sa.Boolean(), nullable=True), + sa.Column('weight', sa.Float(), nullable=True), + sa.ForeignKeyConstraint(['project_id'], ['project.id'], ), + sa.PrimaryKeyConstraint('id') +) + + +def upgrade(): + op.execute( + person_helper.update() + .where(person_helper.c.weight <= 0) + .values(weight=1) + ) + + +def downgrade(): + # Downgrade path is not possible, because information has been lost. + pass -- cgit v1.1