alembic 迁移数据库加入支持检查字段类型,字段长度,数据库字段默认值
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@ -54,8 +54,8 @@ def run_migrations_offline():
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target_metadata=target_metadata,
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literal_binds=True,
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dialect_opts={"paramstyle": "named"},
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compare_type=True, # 检查字段类型
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compare_server_default=True # 比较默认值
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compare_type=True, # 是否检查字段类型,字段长度
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compare_server_default=True # 是否比较在数据库中的默认值
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)
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with context.begin_transaction():
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@ -74,7 +74,10 @@ def run_migrations_online():
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with connectable.connect() as connection:
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context.configure(
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connection=connection, target_metadata=target_metadata
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connection=connection,
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target_metadata=target_metadata,
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compare_type=True, # 是否检查字段类型,字段长度
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compare_server_default=True # 是否比较在数据库中的默认值
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)
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with context.begin_transaction():
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