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Data visual query language system

A query language and data technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of system architecture and difficulty in use, and the variety and quantity of system interfaces, so as to achieve enhanced flexibility and standardization, The effect of reducing migration costs and reducing integration complexity

Inactive Publication Date: 2017-02-22
MERIT DATA CO LTD
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Problems solved by technology

[0003] The process of data graphics is generally divided into three processes: data statistics, graphic element information (descriptive information required for graphic display required for each graphic to be displayed), and graphic rendering. Data statistics and graphic element information construction are often used Split into two services or components, resulting in too many types and quantities of system interfaces, making it difficult to structure and use the system

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Embodiment Construction

[0021] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0022] refer to figure 1 and figure 2 As shown, the data visualization query language system based on the domain model language technology includes: a DVL builder, which constructs the user operation model and the data model into a DVL statement, and the DVL builder is connected with a data module module, an operation model module and DVL grammar rules module;

[0023] DVL parsing engine module, described DVL parsing engine module is connected with DVL builder so that DVL statement is parsed into the execution plan tree of execution sub-process;

[0024] It also includes a data analysis engine module, the data analysis engine module executes the execution plan tree of the execution sub-processes one by one according to the execution order, fu...

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Abstract

The invention discloses a data visual query language system. The system comprises a DVL builder, a DVL analysis engine module and a data analysis engine module, wherein the DVL builder builds a DVL statement by a user operation model and a data model; the DVL builder is connected with a data model module, an operation model module and a DVL grammar rule module; the DVL analysis engine module is connected with the DVL builder to analyze the DVL statement to obtain executive plan trees of executive sub-processes; the data analysis engine module executes the executive plan trees of the executive sub-processes one by one according to an executive sequence, and fuses graphic information and data information to generate a graphic data model; and obtained graphic data is transmitted to a visual engine module, and the visual engine module renders the graphic model data into a BI chart visible for a user. According to the system, front-end visual chart display and a back-end data analysis process of the system are subjected to DVL-level isolation, so that complete decoupling of graphic display and back-end data processing is realized and a language-level standard data visual interface can be provided for outside.

Description

technical field [0001] The invention belongs to the technical field of data visualization and the field of computer language systems, and in particular relates to a data visualization query language system. Background technique [0002] Using domain model language technology for language definition, based on Antlr technology component development, using lexical, grammatical, and semantic analysis technologies for DVL language parsing and execution. [0003] The process of data graphics is generally divided into three processes: data statistics, graphic element information (descriptive information required for graphic display required for each graphic to be displayed), and graphic rendering. Data statistics and graphic element information construction are often used Splitting into two services or components leads to too many types and quantities of system interfaces, which brings difficulty to system architecture and use. [0004] The DVL defined by the domain model language...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/90328
Inventor 程宏亮肖斌王锟郭联伟苏魁
Owner MERIT DATA CO LTD
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