"""create trees table

Revision ID: 1234567890ab
Revises: 
Create Date: 2023-06-08 10:00:00.000000

"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.sql import func

# revision identifiers
revision = '1234567890ab'
down_revision = None
branch_labels = None
depends_on = None


def upgrade():
    op.create_table(
        'trees',
        sa.Column('id', sa.Integer, primary_key=True, index=True),
        sa.Column('name', sa.String, nullable=False),
        sa.Column('species', sa.String, nullable=False),
        sa.Column('height', sa.Integer, nullable=False),
        sa.Column('diameter', sa.Integer, nullable=False),
        sa.Column('location_id', sa.Integer, sa.ForeignKey('locations.id')),
        sa.Column('created_at', sa.DateTime, default=func.now()),
        sa.Column('updated_at', sa.DateTime, default=func.now(), onupdate=func.now())
    )


def downgrade():
    op.drop_table('trees')