摘要:
A unique formatting scheme for object-relational mapping allows disparate applications that adopt the scheme to seamlessly access data in disparate relational databases. The formatting scheme contemplates a common format that conveys the mapping information through (i) attributes embedded with code objects, and (ii) an external mapping source. Adoption of the common format can result in several advantages for network-based client-server operations: (i) Software developers can continue programming in their existing languages. (ii) Data servers from various vendors can also continue to be developed and managed in the vendors' core programming languages. (iii) Vendors that employ client applications which have adopted the common format can consistently use various data warehouses without incurring customization costs.
摘要:
A special syntax is developed to differentiate between accesses to a primary and one or more secondary object protocols in a programming language. The syntax allows the compiler to differentiate between the primary and secondary object model based on syntax, rather than type. The syntax is created in such a way as to approximate the syntax of the secondary object model, and allows the user to dynamically generate member names.
摘要:
A unique formatting scheme for object-relational mapping allows disparate applications that adopt the scheme to seamlessly access data in disparate relational databases. The formatting scheme contemplates a common format that conveys the mapping information through (i) attributes embedded with code objects, and (ii) an external mapping source. Adoption of the common format can result in several advantages for network-based client-server operations: (i) Software developers can continue programming in their existing languages. (ii) Data servers from various vendors can also continue to be developed and managed in the vendors' core programming languages. (iii) Vendors that employ client applications which have adopted the common format can consistently use various data warehouses without incurring customization costs.
摘要:
A group join query facilitates navigation of relationships (e.g., one-to-many or many-to-one) across a plurality of data collections. Such a query operator produces nested or hierarchical results that capture the arguments passed thereto. If desired, the nested results can be flattened to simulate conventional relational database results.
摘要:
A special syntax is developed to differentiate between accesses to a primary and one or more secondary object protocols in a programming language. The syntax allows the compiler to differentiate between the primary and secondary object model based on syntax, rather than type. The syntax is created in such a way as to approximate the syntax of the secondary object model, and allows the user to dynamically generate member names.
摘要:
Providing for read/write access to captured free variables expressed as environment data objects is disclosed herein. By way of example, free variables can be rewritten as a field of a private class, and accessed via an instance of the private class captured within the environment data object. In such a manner, no need of a placeholder or proxy function is required to access the free variable. Consequently, the subject innovation provides a simplified method for capturing free variables within expression trees and providing read/write access to such variables.
摘要:
The subject disclosure pertains to systems and methods that facilitate retrieval of data. In particular, an application defined data shape can regulate loading of data for use in an object relational mapping system, enabling the object-oriented application to access data in a relational data base system. Data shapes define policies that control data retrieval, enabling efficient data loading. A data shape allows users to declaratively specify a set of policies to be applied to all queries associated with the data shape. In particular, data shapes can include policies that control eager loading. In addition, data shapes can also include filtering policies intended to reduce or limit data retrieved from a relational database.
摘要:
The subject disclosure pertains to systems and methods for supporting null capabilities for general purpose programming languages. Low level, runtime support for a nullable type is provided to ensure consistency and coherency. An execution component restricts support of the nullable type to programming language types that lack a null capability. The execution component may also provide support for conversion between the nullable type and a reference type.
摘要:
A static type computer language provides optional dynamic typing triggered by a unique static type. The unique static type can be utilized anywhere other types can be employed to identify programmatic elements that are late bound. As a result, static types can be analyzed at compile time while deferring analysis of dynamic types until runtime.
摘要:
Systems and methods facilitate type inference in a computer-programming environment. Type inference can be applied to generic method or function invocation in object-oriented languages to determine a type argument list left implicit by a programmer. One or more type arguments can be identified as a parameter type to which all other types in a set of associated parameter types can be converted.