59 lines
2.1 KiB
Python
59 lines
2.1 KiB
Python
"""evaluation date: modifie le codage des dates d'évaluations
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Revision ID: 5c44d0d215ca
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Revises: 45e0a855b8eb
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Create Date: 2023-08-22 14:39:23.831483
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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.dialects import postgresql
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# revision identifiers, used by Alembic.
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revision = "5c44d0d215ca"
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down_revision = "45e0a855b8eb"
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branch_labels = None
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depends_on = None
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def upgrade():
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"modifie les colonnes codant les dates d'évaluations"
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with op.batch_alter_table("notes_evaluation", schema=None) as batch_op:
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batch_op.add_column(
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sa.Column("date_debut", sa.DateTime(timezone=True), nullable=True)
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)
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batch_op.add_column(
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sa.Column("date_fin", sa.DateTime(timezone=True), nullable=True)
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)
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# recode les dates existantes
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op.execute("UPDATE notes_evaluation SET date_debut = jour+heure_debut;")
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op.execute("UPDATE notes_evaluation SET date_fin = jour+heure_fin;")
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with op.batch_alter_table("notes_evaluation", schema=None) as batch_op:
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batch_op.drop_column("jour")
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batch_op.drop_column("heure_fin")
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batch_op.drop_column("heure_debut")
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def downgrade():
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"modifie les colonnes codant les dates d'évaluations"
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with op.batch_alter_table("notes_evaluation", schema=None) as batch_op:
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batch_op.add_column(
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sa.Column(
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"heure_debut", postgresql.TIME(), autoincrement=False, nullable=True
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)
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)
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batch_op.add_column(
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sa.Column(
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"heure_fin", postgresql.TIME(), autoincrement=False, nullable=True
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)
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)
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batch_op.add_column(
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sa.Column("jour", sa.DATE(), autoincrement=False, nullable=True)
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)
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op.execute("UPDATE notes_evaluation SET jour = DATE(date_debut);")
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op.execute("UPDATE notes_evaluation SET heure_debut = date_debut::time;")
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op.execute("UPDATE notes_evaluation SET heure_fin = date_fin::time;")
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with op.batch_alter_table("notes_evaluation", schema=None) as batch_op:
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batch_op.drop_column("date_fin")
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batch_op.drop_column("date_debut")
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