"""add_FluxCd_output_table

Revision ID: 1a82e7aba37b
Revises: 94e2af36dc7b
Create Date: 2025-07-12 01:14:09.791307

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '1a82e7aba37b'
down_revision = '94e2af36dc7b'
branch_labels = None
depends_on = None


def upgrade():
    """升级数据库到当前版本"""
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('FluxCd_output_data',
    sa.Column('ID', sa.Integer(), autoincrement=True, nullable=False),
    sa.Column('Farmland_ID', sa.Integer(), nullable=True),
    sa.Column('Sample_ID', sa.Integer(), nullable=True),
    sa.Column('In_Cd', sa.Float(), nullable=True),
    sa.Column('Out_Cd', sa.Float(), nullable=True),
    sa.Column('Net_Cd', sa.Float(), nullable=True),
    sa.Column('End_Cd', sa.Float(), nullable=True),
    sa.ForeignKeyConstraint(['Farmland_ID', 'Sample_ID'], ['Farmland_data.Farmland_ID', 'Farmland_data.Sample_ID'], ),
    sa.PrimaryKeyConstraint('ID'),
    comment='通量镉预测模型输出数据'
    )
    # ### end Alembic commands ###


def downgrade():
    """将数据库降级到上一版本"""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_table('FluxCd_output_data')
    # ### end Alembic commands ###