def upgrade()

in src/Backend/migrations/versions/2023_05_17_204245-b7f0d4bb2541_add_exams_questions_table.py [0:0]


def upgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table(
        "exams",
        sa.Column("id", sa.UUID(), nullable=False),
        sa.Column("name", sa.String(length=50), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_table(
        "questions",
        sa.Column("id", sa.UUID(), nullable=False),
        sa.Column("exam_id", sa.UUID(), nullable=False),
        sa.Column("data", sa.Text(), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
        sa.ForeignKeyConstraint(["exam_id"], ["exams.id"], ondelete="CASCADE"),
        sa.PrimaryKeyConstraint("id"),
    )
    op.create_index(
        op.f("ix_questions_exam_id"), "questions", ["exam_id"], unique=False
    )
    op.create_table(
        "exams_groups",
        sa.Column("exam_id", sa.UUID(), nullable=False),
        sa.Column("group_id", sa.UUID(), nullable=False),
        sa.ForeignKeyConstraint(
            ["exam_id"],
            ["exams.id"],
        ),
        sa.ForeignKeyConstraint(
            ["group_id"],
            ["groups.id"],
        ),
        sa.PrimaryKeyConstraint("exam_id", "group_id"),
    )