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Data linage analysis method and device

An analysis method and technology of an analysis device, applied in the field of cloud computing, can solve the problems of difficulty in flexible expansion and analysis of the origin of distributed database and non-relational database data, etc.

Active Publication Date: 2015-03-18
CHINA TELECOM CORP LTD
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Problems solved by technology

[0004] With the development of various database technologies, the SQL syntax of distributed databases and non-relational databases is no longer limited by the previous standard SQL specifications, and there will be many keywords or syntax formats that have been expanded by themselves. Therefore, the existing The technology based on the complete definition of standard SQL grammar is difficult to flexibly expand and analyze the origin of data in these distributed databases and non-relational databases.

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  • Data linage analysis method and device
  • Data linage analysis method and device

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Embodiment Construction

[0051] The present disclosure will be described below with reference to the accompanying drawings. It is to be noted that the following description is merely explanatory and exemplary in nature, and in no way serves as any limitation of the present disclosure, its application or uses. Relative arrangements of components and steps and numerical expressions and numerical values ​​set forth in the embodiments do not limit the scope of the present disclosure unless otherwise specifically stated. Additionally, techniques, methods and devices known to those skilled in the art may not be discussed in detail but are intended to be part of the description where appropriate.

[0052] In order to solve the above-mentioned problems in the prior art, the following embodiments of the present disclosure propose a data lineage analysis method of a general structured query statement that can be flexibly expanded. In this method, metadata is first obtained, for example, Extract system definiti...

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Abstract

The invention relates to a data linage analysis method and device. The method comprises analyzing query sentences based on mode configuration to recognize target tables, target fields, source tables and source fields in the query sentences; obtaining metadata defined by various database systems or users and performing accurate matching on fuzzy fields of the query sentences through the metadata; generating data lineage relationships of the query sentences according to the field tracing sequence of the recognized target fields and source fields; analyzing the data lineage relationships of a plurality of the query sentences through multi-layer sentence analysis. By means of the method and the device, data lineage of various general structured sentences can be analyzed flexibly.

Description

technical field [0001] The present disclosure relates to the field of cloud computing, and in particular, to a data lineage analysis method and device. Background technique [0002] Data lineage refers to the contextual relationship between data. Data lineage analysis is to trace the source of query results to the database system to measure the credibility and quality of data. Through data lineage tracking, data credibility, quality, version information, etc. can be solved when distributing data sharing, and these problems can also be solved for various exported data sets. Through data lineage tracking, the evolution process of data in the data stream can be obtained. [0003] The current automatic data lineage analysis technology is mainly aimed at the analysis of the standard SQL (Structured Query Language) language for mainstream relational data, and analyzes the origin of the data in the SQL script through lexical analysis, syntax analysis and other technologies. [00...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/2433G06F16/24573
Inventor 陈翀陈康向勇张青吴旭刘春高智衡陶彩霞关迎辉
Owner CHINA TELECOM CORP LTD
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