Mercurial > libervia-backend
diff libervia/backend/memory/migration/versions/610345f77e75_add_version_id_to_history.py @ 4152:23d21daed216
core (memory/sqla_mapping): add a `version_id` column to detect race conditions.
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Wed, 22 Nov 2023 14:52:00 +0100 |
| parents | |
| children | 0d7bb4df2343 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libervia/backend/memory/migration/versions/610345f77e75_add_version_id_to_history.py Wed Nov 22 14:52:00 2023 +0100 @@ -0,0 +1,26 @@ +"""add "version_id" to History + +Revision ID: 610345f77e75 +Revises: 2ab01aa1f686 +Create Date: 2023-11-20 17:33:53.544032 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = '610345f77e75' +down_revision = '2ab01aa1f686' +branch_labels = None +depends_on = None + + +def upgrade(): + with op.batch_alter_table('history', schema=None) as batch_op: + batch_op.add_column(sa.Column('version_id', sa.Integer(), server_default=sa.text('1'), nullable=False)) + + +def downgrade(): + with op.batch_alter_table('history', schema=None) as batch_op: + batch_op.drop_column('version_id')