CountAsync 等于 FirstAsync FirstOrDefaultAsync ForEachAsync GetEnumerator GetHashCode GetType LongCountAsync MaxAsync MinAsync SingleAsync SingleOrDefaultAsync ToArrayAsync ToDictionaryAsync ToListAsync ToString 显式接口实现 DbReferenceEntry DbReferenceEntry<TEntity,TProperty> ...
'宣告 Public Function AllAsync ( _ predicate As Func(Of TElement, Boolean) _ ) As Task(Of Boolean) '用途 Dim instance As DbRawSqlQuery Dim predicate As Func(Of TElement, Boolean) Dim returnValue As Task(Of Boolean) returnValue = instance.AllAsync(predicate) 參數 predicate 類型:System.Fu...
重载列表 名称描述 AllAsync(Func<TElement, Boolean>) 异步确定查询的所有元素是否满足条件。 AllAsync(Func<TElement, Boolean>, CancellationToken) 异步确定查询的所有元素是否满足条件。 顶部 请参阅 参考 DbRawSqlQuery<TElement> 类 System.Data.Entity.Infrastructure 命名空间中文...
The above file defines the basics of our application backend storage. However, if, for example, we want a method to retrieve all theUserswith less than3 publishedposts, we could write the following function defined in a file calledquery.ts. async function main() { const usersWithPosts = aw...
DbRawSqlQuery<TElement>.IDbAsyncEnumerable.GetAsyncEnumerator 方法 參考 意見反應 定義 命名空間: System.Data.Entity.Infrastructure 組件: EntityFramework.dll 傳回, IDbAsyncEnumerable 當列舉會針對資料庫執行 SQL 查詢時。 C# 複...
FirstAsync FirstOrDefaultAsync ForEachAsync GetEnumerator GetHashCode GetType LongCountAsync MaxAsync MinAsync SingleAsync SingleOrDefaultAsync ToArrayAsync ToDictionaryAsync ToListAsync ToString 显式接口实现 DbReferenceEntry DbReferenceEntry<TEntity,TProperty> ...
public async findByExposureRegionAndGroupBy(exposureRegion:ExposureRegion, groupBy:string): Promise<ExposureRegion[]>{ return this.exposureRegionRepository.query(` select name from exposure_region where region = $1 and pollutant = $2 group by name `,[exposureRegion.region,exposureRegion.pollutant]);...
有关实体框架的更多信息,请参见 msdn.com/data/ef。] 异步返回表示查询中的总元素数的 Int64。 命名空间: System.Data.Entity.Infrastructure 程序集: EntityFramework(在 EntityFramework.dll 中) 语法 VB 复制 声明Public Function LongCountAsync ( _ cancellationToken As CancellationToken _ ) As Task(Of ...
postgresql Kysely Query with array of“From”with raw SQL最后，有一个额外的(被翻译成无效的查询。
postgresql Kysely Query with array of“From”with raw SQL最后，有一个额外的(被翻译成无效的查询。