"""Create course model

Revision ID: 471b4225837e
Revises: 8e48199f1417
Create Date: 2023-04-06 14:53:43.061616

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '471b4225837e'
down_revision = '8e48199f1417'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('course',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('name', sa.String(length=128), nullable=True),
    sa.Column('description', sa.Text(), nullable=True),
    sa.Column('instructor', sa.Integer(), nullable=True),
    sa.Column('created_at', sa.DateTime(), nullable=True),
    sa.ForeignKeyConstraint(['instructor'], ['user.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    with op.batch_alter_table('course', schema=None) as batch_op:
        batch_op.create_index(batch_op.f('ix_course_description'), ['description'], unique=False)
        batch_op.create_index(batch_op.f('ix_course_instructor'), ['instructor'], unique=False)
        batch_op.create_index(batch_op.f('ix_course_name'), ['name'], unique=False)

    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('course', schema=None) as batch_op:
        batch_op.drop_index(batch_op.f('ix_course_name'))
        batch_op.drop_index(batch_op.f('ix_course_instructor'))
        batch_op.drop_index(batch_op.f('ix_course_description'))

    op.drop_table('course')
    # ### end Alembic commands ###