ScoDoc/migrations/versions/a217bf588f4c_scodoc_9_0_13_essai_cascade.py

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"""ScoDoc 9.0.13: essai cascade
Revision ID: a217bf588f4c
Revises: f73251d1d825
Create Date: 2021-09-10 21:44:34.947317
"""
from alembic import op
import sqlalchemy as sa
# revision identifiers, used by Alembic.
revision = 'a217bf588f4c'
down_revision = 'f73251d1d825'
branch_labels = None
depends_on = None
def upgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.alter_column('notes_semset_formsemestre', 'semset_id',
existing_type=sa.INTEGER(),
nullable=False)
op.drop_constraint('notes_semset_formsemestre_semset_id_fkey', 'notes_semset_formsemestre', type_='foreignkey')
op.create_foreign_key(None, 'notes_semset_formsemestre', 'notes_semset', ['semset_id'], ['id'], ondelete='CASCADE')
# ### end Alembic commands ###
def downgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.drop_constraint(None, 'notes_semset_formsemestre', type_='foreignkey')
op.create_foreign_key('notes_semset_formsemestre_semset_id_fkey', 'notes_semset_formsemestre', 'notes_semset', ['semset_id'], ['id'])
op.alter_column('notes_semset_formsemestre', 'semset_id',
existing_type=sa.INTEGER(),
nullable=True)
# ### end Alembic commands ###