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73 lines
2.6 KiB
Python
73 lines
2.6 KiB
Python
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"""Add precharge fields to billing_log
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Revision ID: 240e45fa2f01
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Revises: f8c9d0e4a3b2
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Create Date: 2025-12-06 18:00:00.000000
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添加预扣费相关字段到billing_log表：
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- precharge_id: 预扣费事务ID（UUID）
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- status: 记录状态（precharge | settled | refunded）
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- estimated_tokens: 预估tokens总数
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- refund_amount: 退款金额（毫）
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"""
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from alembic import op
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import sqlalchemy as sa
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revision = "240e45fa2f01"
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down_revision = "f8c9d0e4a3b2"
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branch_labels = None
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depends_on = None
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def upgrade():
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"""升级数据库：添加预扣费字段"""
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connection = op.get_bind()
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is_sqlite = connection.dialect.name == "sqlite"
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if is_sqlite:
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# SQLite: 使用batch模式
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with op.batch_alter_table("billing_log") as batch_op:
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batch_op.add_column(sa.Column("precharge_id", sa.String(), nullable=True))
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batch_op.add_column(
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sa.Column("status", sa.String(20), nullable=True, server_default="settled")
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)
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batch_op.add_column(sa.Column("estimated_tokens", sa.Integer(), nullable=True))
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batch_op.add_column(sa.Column("refund_amount", sa.Integer(), nullable=True))
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batch_op.create_index("ix_billing_log_precharge_id", ["precharge_id"])
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else:
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# PostgreSQL: 直接操作
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op.add_column("billing_log", sa.Column("precharge_id", sa.String(), nullable=True))
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op.add_column(
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"billing_log",
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sa.Column("status", sa.String(20), nullable=True, server_default="settled"),
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)
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op.add_column(
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"billing_log", sa.Column("estimated_tokens", sa.Integer(), nullable=True)
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)
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op.add_column(
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"billing_log", sa.Column("refund_amount", sa.Integer(), nullable=True)
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)
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op.create_index("ix_billing_log_precharge_id", "billing_log", ["precharge_id"])
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def downgrade():
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"""降级数据库：删除预扣费字段"""
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connection = op.get_bind()
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is_sqlite = connection.dialect.name == "sqlite"
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if is_sqlite:
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with op.batch_alter_table("billing_log") as batch_op:
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batch_op.drop_index("ix_billing_log_precharge_id")
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batch_op.drop_column("refund_amount")
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batch_op.drop_column("estimated_tokens")
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batch_op.drop_column("status")
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batch_op.drop_column("precharge_id")
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else:
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op.drop_index("ix_billing_log_precharge_id", table_name="billing_log")
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op.drop_column("billing_log", "refund_amount")
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op.drop_column("billing_log", "estimated_tokens")
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op.drop_column("billing_log", "status")
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op.drop_column("billing_log", "precharge_id")
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