"""Initial migration

Revision ID: 67902ab783bc
Revises: b1465436c340
Create Date: 2025-03-03 21:19:33.592231

"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import mysql

# revision identifiers, used by Alembic.
revision = '67902ab783bc'
down_revision = 'b1465436c340'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('tb_emp', schema=None) as batch_op:
        batch_op.drop_index('username')

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


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('tb_emp',
    sa.Column('id', mysql.INTEGER(), autoincrement=True, nullable=False, comment='主键'),
    sa.Column('username', mysql.VARCHAR(length=20), nullable=False, comment='用户名'),
    sa.Column('password', mysql.VARCHAR(length=32), server_default=sa.text("'123456'"), nullable=True, comment='密码'),
    sa.Column('emp_name', mysql.VARCHAR(length=10), nullable=False, comment='员工姓名'),
    sa.Column('gender', mysql.TINYINT(unsigned=True), autoincrement=False, nullable=False, comment='性别（1 男生 2 女生）'),
    sa.Column('image', mysql.VARCHAR(length=300), nullable=True, comment='图片的访问路径'),
    sa.Column('job', mysql.TINYINT(unsigned=True), autoincrement=False, nullable=True, comment='职位（1 班主任 2 讲师 3 学工主管 4 教研主管）'),
    sa.Column('entrydate', mysql.DATETIME(), nullable=True, comment='入职日期'),
    sa.Column('dept', mysql.VARCHAR(length=20), nullable=True, comment='归属部门'),
    sa.Column('create_time', mysql.DATETIME(), nullable=False, comment='创建时间'),
    sa.Column('update_time', mysql.DATETIME(), nullable=False, comment='更新时间'),
    sa.PrimaryKeyConstraint('id'),
    mysql_collate='utf8mb4_0900_ai_ci',
    mysql_default_charset='utf8mb4',
    mysql_engine='InnoDB'
    )
    with op.batch_alter_table('tb_emp', schema=None) as batch_op:
        batch_op.create_index('username', ['username'], unique=True)

    # ### end Alembic commands ###