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//! SZ-ORM Model Trait
//!
//! Core model abstractions for SZ-ORM:
//! - `Model` trait: all ORM models must implement this
//! - `ActiveRecord` trait: active record pattern
//! - `Accessor` / `Mutator`: field-level getters/setters
//! - `Behavior`: pluggable lifecycle hooks
//! - `DirtyTracker`: change tracking for fields
// 重新导出外部 crate 的 async_trait,使模块内可用 crate::async_trait
pub use async_trait;
pub use *;
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/// 批量操作的默认分片大小。
///
/// 用于 `QueryBuilder::build_batch_insert_chunked` 等方法,
/// 当数据量超过此值时自动拆分为多条 SQL 执行,避免超过数据库参数上限。
pub const DEFAULT_BATCH_SIZE: usize = 1000;