forked from ScoDoc/ScoDoc
96 lines
2.5 KiB
Python
96 lines
2.5 KiB
Python
"""Association UEs <-> parcours
|
|
|
|
Revision ID: 054dd6133b9c
|
|
Revises: 6520faf67508
|
|
Create Date: 2023-03-30 19:40:50.575293
|
|
|
|
"""
|
|
from alembic import op
|
|
import sqlalchemy as sa
|
|
from sqlalchemy.orm import sessionmaker # added by ev
|
|
|
|
|
|
# revision identifiers, used by Alembic.
|
|
revision = "054dd6133b9c"
|
|
down_revision = "cf29790ca6f6"
|
|
branch_labels = None
|
|
depends_on = None
|
|
|
|
Session = sessionmaker()
|
|
|
|
|
|
def upgrade():
|
|
"""Passe d'une relation UE - Parcours one-to-many à une relation many-to-many
|
|
crée la table d'association, copie l'éventuelle relation existante
|
|
puis supprime la clé étrangère parcour_id
|
|
"""
|
|
op.create_table(
|
|
"ue_parcours",
|
|
sa.Column("ue_id", sa.Integer(), nullable=False),
|
|
sa.Column("parcours_id", sa.Integer(), nullable=False),
|
|
sa.Column("ects", sa.Float(), nullable=True),
|
|
sa.ForeignKeyConstraint(
|
|
["parcours_id"], ["apc_parcours.id"], ondelete="CASCADE"
|
|
),
|
|
sa.ForeignKeyConstraint(["ue_id"], ["notes_ue.id"], ondelete="CASCADE"),
|
|
sa.PrimaryKeyConstraint("ue_id", "parcours_id"),
|
|
)
|
|
|
|
#
|
|
bind = op.get_bind()
|
|
session = Session(bind=bind)
|
|
session.execute(
|
|
sa.text(
|
|
"""
|
|
INSERT INTO ue_parcours
|
|
SELECT id as ue_id, parcour_id as parcours_id
|
|
FROM notes_ue
|
|
WHERE parcour_id is not NULL;
|
|
"""
|
|
)
|
|
)
|
|
session.commit()
|
|
op.drop_column("notes_ue", "parcour_id")
|
|
|
|
# Numeros non nullables
|
|
for table in (
|
|
"apc_competence",
|
|
"apc_parcours",
|
|
"notes_form_modalites",
|
|
"notes_ue",
|
|
"notes_matieres",
|
|
"notes_modules",
|
|
"notes_evaluation",
|
|
"partition",
|
|
"group_descr",
|
|
):
|
|
session.execute(
|
|
sa.text(
|
|
f"""UPDATE {table} SET numero=0 WHERE numero is NULL;
|
|
"""
|
|
)
|
|
)
|
|
session.commit()
|
|
op.alter_column(table, "numero", existing_type=sa.INTEGER(), nullable=False)
|
|
|
|
|
|
def downgrade():
|
|
#
|
|
op.add_column(
|
|
"notes_ue",
|
|
sa.Column("parcour_id", sa.INTEGER(), autoincrement=False, nullable=True),
|
|
)
|
|
op.drop_table("ue_parcours")
|
|
for table in (
|
|
"apc_competence",
|
|
"apc_parcours",
|
|
"notes_form_modalites",
|
|
"notes_ue",
|
|
"notes_matieres",
|
|
"notes_modules",
|
|
"notes_evaluation",
|
|
"partition",
|
|
"group_descr",
|
|
):
|
|
op.alter_column(table, "numero", existing_type=sa.INTEGER(), nullable=True)
|