sql.models com.azure.resourcemanager.sql.fluent.models com.azure.resourcemanager.sql com.azure.resourcemanager.storage.fluent com.azure.resourcemanager.storage.models com.azure.resourcemanager.storage.fluent.models com.azure.resourcemanager.storage com.azure.resourcemanager.trafficmanager.fluent com.azure....
Queries QueryAggregation QueryColumn QueryColumnType QueryComparisonExpression QueryDataset QueryDatasetAutoGenerated QueryDatasetConfiguration QueryDefinition QueryFilter QueryFilterAutoGenerated QueryGrouping QueryResult QueryTimePeriod RecurrenceType ReportConfigAggregation ReportConfigColumnType ReportConfigComparisonExpressi...
obtained from theDatabaseinstance. The query is not executed when this object is created; it is executed each time it is enumerated, for example by using foreach. SQL queries for entities are created usingSqlQuery(String, Object[]). SeeDbRawSqlQuery<TElement>for a generic version of this ...
System.Data.Objects.SqlClient Assembly: System.Data.Entity.dll Provides common language runtime (CLR) methods that call functions in the database in LINQ to Entities queries. C#Copy publicstaticclassSqlFunctions Inheritance Object SqlFunctions
上面错误已经提示我们在application.ym/application.properties添加如下配置就可以解决。spring.main.allow-bean-definition-overriding=truespring.main.allow-bean-definition-overriding设置为true,表示后发现的bean会覆盖之前相同名称的bean。但是添加这个配置无效,启动仍然提示上面错误。
PostgreSQL的扩展查询协议将一个SQL的执行过程拆分成三个层次,相邻的两个层次间抽象出statement和portal对象,每个层次允许单独重复调用,并且在当前连接的生命周期内,也允许再次调用,使整个SQL的执行过程具有了可重复利用性,对中间结果的保存使得重复调用减少了一些执行开销,提供了性能,对于同一模板的SQL,也提高了执行速度。
Queries can already have been sent before PQpipelineSync is called, but PQpipelineSync need to be called before retrieving command results. 连接将保持在流水线模式,并且对于新的同步命令执行功能不可用,直到来自流水线的所有结果都被客户端处理。The connection will remain in pipeline mode and unavailable ...
activerecord (3.2.0) lib/active_record/querying.rb:37:in `find_by_sql' activerecord (3.2.0) lib/active_record/relation.rb:170:in `exec_queries' activerecord (3.2.0) lib/active_record/relation.rb:159:in `block in to_a' activerecord (3.2.0) lib/active_record/explain.rb:31:in `logging...
Executing complex, on-the-fly queries, including joins, aggregations, and time windowing. Interactively and concurrently exploring consistent, up-to-the-moment results. Seamlessly delivering results to downstream systems. Processing both streaming and batch data with a unified codebase. ...
System.Data.SqlClient Assembly: System.Data.SqlClient.dll Package: System.Data.SqlClient v4.9.0 Source: System.Data.SqlClient.notsupported.cs Caution Use the Microsoft.Data.SqlClient package instead. Represents a parameter to aSqlCommandand optionally its mapping toDataSetcolumns. This class cannot...