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【优化】仓储单个数据查询增加悲观锁等待模式。

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【优化】通过优惠券编码领取优惠券增加事务处理。
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jianweie code
2023-05-08 00:05:27 +08:00
parent 8cb980063e
commit 514c63da60
7 changed files with 89 additions and 91 deletions
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30
CoreCms.Net.Repository/BaseRepository.cs
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@@ -364,13 +364,12 @@ namespace CoreCms.Net.Repository
/// <param name="blUseNoLock">是否使用WITH(NoLock)</param>
/// <param name="isDataCache">是否启用缓存</param>
/// <param name="cacheTimes">缓存时长（分钟）</param>
/// <param name="blUseTranLock">是否使用锁</param>
/// <param name="dbLockType">数据锁类型</param>
/// <returns></returns>
public async Task<T> QueryByClauseAsync(Expression<Func<T, bool>> predicate, bool blUseNoLock = false, bool isDataCache = false, int cacheTimes = int.MaxValue)
public async Task<T> QueryByClauseAsync(Expression<Func<T, bool>> predicate, bool blUseNoLock = false, bool isDataCache = false, int cacheTimes = int.MaxValue, bool blUseTranLock = false, DbLockType dbLockType = DbLockType.Wait)
{
return await DbBaseClient.Queryable<T>()
.WithNoLockOrNot(blUseNoLock)
.WithCacheIF(isDataCache, cacheTimes)
.FirstAsync(predicate);
return await DbBaseClient.Queryable<T>().WithNoLockOrNot(blUseNoLock).WithUseTranLockOrNot(blUseTranLock, dbLockType).WithCacheIF(isDataCache, cacheTimes).FirstAsync(predicate);
}
/// <summary>
@@ -397,27 +396,14 @@ namespace CoreCms.Net.Repository
/// <param name="blUseNoLock">是否使用WITH(NoLock)</param>
/// <param name="isDataCache">是否启用缓存</param>
/// <param name="cacheTimes">缓存时长（分钟）</param>
/// <param name="blUseTranLock">是否使用锁</param>
/// <param name="dbLockType">数据锁类型</param>
/// <returns></returns>
public async Task<T> QueryByClauseAsync(Expression<Func<T, bool>> predicate, Expression<Func<T, object>> orderByPredicate, OrderByType orderByType, bool blUseNoLock = false, bool isDataCache = false, int cacheTimes = int.MaxValue)
public async Task<T> QueryByClauseAsync(Expression<Func<T, bool>> predicate, Expression<Func<T, object>> orderByPredicate, OrderByType orderByType, bool blUseNoLock = false, bool isDataCache = false, int cacheTimes = int.MaxValue, bool blUseTranLock = false, DbLockType dbLockType = DbLockType.Wait)
{
return await DbBaseClient.Queryable<T>().OrderBy(orderByPredicate, orderByType).WithNoLockOrNot(blUseNoLock).WithCacheIF(isDataCache, cacheTimes).FirstAsync(predicate);
return await DbBaseClient.Queryable<T>().OrderBy(orderByPredicate, orderByType).WithNoLockOrNot(blUseNoLock).WithUseTranLockOrNot(blUseTranLock, dbLockType).WithCacheIF(isDataCache, cacheTimes).FirstAsync(predicate);
}
/// <summary>
/// 根据条件查询数据（悲观锁等待模式）
/// </summary>
/// <param name="predicate">条件表达式树</param>
/// <param name="orderByPredicate">排序字段</param>
/// <param name="orderByType">排序顺序</param>
/// <param name="blUseTranLock">是否使用TranLock</param>
/// <param name="isDataCache">是否启用缓存</param>
/// <param name="cacheTimes">缓存时长（分钟）</param>
/// <returns></returns>
public async Task<T> QueryByClauseWithTranLockAsync(Expression<Func<T, bool>> predicate, Expression<Func<T, object>> orderByPredicate, OrderByType orderByType, bool blUseTranLock = false, bool isDataCache = false, int cacheTimes = int.MaxValue)
{
return await DbBaseClient.Queryable<T>().TranLock(DbLockType.Wait).OrderBy(orderByPredicate, orderByType).WithCacheIF(isDataCache, cacheTimes).FirstAsync(predicate);
}
#endregion
#region 新增数据

17
CoreCms.Net.Repository/SqlSugarExtensions.cs
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@@ -14,6 +14,23 @@ namespace CoreCms.Net.Repository
return query;
}
/// <summary>
/// 是否启用锁
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="query"></param>
/// <param name="lock"></param>
/// <param name="dbLockType"></param>
/// <returns></returns>
internal static ISugarQueryable<T> WithUseTranLockOrNot<T>(this ISugarQueryable<T> query, bool @lock = false, DbLockType dbLockType = DbLockType.Wait)
{
if (@lock)
{
query = query.TranLock(dbLockType);
}
return query;
}
}
}