forked from ScoDoc/ScoDoc
64 lines
1.6 KiB
Python
64 lines
1.6 KiB
Python
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"""validation niveaux inferieurs
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Revision ID: c701224fa255
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Revises: d84bc592584e
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Create Date: 2023-06-11 11:08:05.553898
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"""
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy.orm import sessionmaker # added by ev
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# revision identifiers, used by Alembic.
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revision = "c701224fa255"
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down_revision = "d84bc592584e"
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branch_labels = None
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depends_on = None
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Session = sessionmaker()
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def upgrade():
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# Ajoute la colonne formation_id, nullable, la peuple puis la rend non nullable
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op.add_column(
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"apc_validation_annee", sa.Column("formation_id", sa.Integer(), nullable=True)
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)
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op.create_foreign_key(
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"apc_validation_annee_formation_id_fkey",
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"apc_validation_annee",
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"notes_formations",
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["formation_id"],
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["id"],
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)
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# Affecte la formation des anciennes validations
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bind = op.get_bind()
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session = Session(bind=bind)
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session.execute(
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sa.text(
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"""
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UPDATE apc_validation_annee AS a
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SET formation_id = (
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SELECT f.id
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FROM notes_formations f
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JOIN notes_formsemestre s ON f.id = s.formation_id
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WHERE s.id = a.formsemestre_id
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)
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WHERE a.formsemestre_id IS NOT NULL;
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"""
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)
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)
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op.alter_column(
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"apc_validation_annee",
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"formation_id",
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nullable=False,
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)
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def downgrade():
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with op.batch_alter_table("apc_validation_annee", schema=None) as batch_op:
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batch_op.drop_constraint(
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"apc_validation_annee_formation_id_fkey", type_="foreignkey"
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)
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batch_op.drop_column("formation_id")
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