ScoDoc/migrations/versions/a217bf588f4c_scodoc_9_0_13_essai_cascade.py

"""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 ###