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A method and device for generating data warehouse etl code

A data warehouse and code technology, which is applied in the field of data warehouse ETL code generation, can solve the problems of high technical requirements for ETL developers, inability to guarantee complete consistency of code style, and slow response of technology to business support, so as to reduce manual development, The effect of improving test efficiency and improving development efficiency

Active Publication Date: 2016-12-07
ADVANCED NEW TECH CO LTD
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Problems solved by technology

[0004] Therefore, in the prior art, the amount of ETL code development is relatively large, the development efficiency is relatively low, and the technical support for the business is relatively slow; and the code development style of each developer cannot be guaranteed to be completely consistent, and the quality of the code is difficult to guarantee; at the same time The requirements for the professional skills of ETL developers are also very high
This will bring higher costs to code testing and management

Method used

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  • A method and device for generating data warehouse etl code
  • A method and device for generating data warehouse etl code
  • A method and device for generating data warehouse etl code

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Embodiment Construction

[0035] In order to make the above objects, features and advantages of the present application more obvious and comprehensible, the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0036] This application proposes a template-based efficient ETL code generation method, and designs a cross-platform and multi-language ETL development model by modularizing and abstracting the ETL code. According to various needs or projects, this method makes the common technical logic into an ETL development template to realize centralized automatic processing; and uses array variables to define each business logic that needs to be processed, and modularizes complex and changing business logic processing; and then use the ETL development template to automatically generate executable ETL code scripts.

[0037] This template-based ETL development can realize rapid ETL development, avoid repeated develop...

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Abstract

The invention provides a method for generating data warehouse ETL (Extraction, Transformation and Loading) codes and a device for generating the data warehouse ETL codes, so as to solve various problems caused by independent development of current data warehouse ETL. The method comprises the steps: by aiming at business logic needed to be processed, corresponding file header variables and explanatory note information thereof are added; the business logic needed to be processed is presented by SQL (Structured Query Language) statements, and then the SQL statements are used as variable values to be filled into array variables; general technological logic of various businesses is extracted, and is used for authoring codes of an ETL development template, wherein the ETL development template is used for calling the variable values to process the business logic; and the codes of the ETL development template, file headers and explanatory note information thereof and the array variables filled with the variable values are organized to form an executable ETL code script. With the device and method disclosed by the invention, the development efficiency is improved, the code style is uniform, the codes are convenient to manage, and the test efficiency is also effectively improved.

Description

technical field [0001] This application relates to computer technology, in particular to a method and device for generating data warehouse ETL codes. Background technique [0002] ETL is the process of data extraction (Extract), transformation (Transform), cleaning (Cleansing), and loading (Load). It is an important part of building a data warehouse. The user extracts the required data from the data source, after data cleaning, and finally loads the data into the data warehouse according to the pre-defined data warehouse model. [0003] At present, the enterprise data warehouse ETL basically adopts the method of independent development, mostly based on process language development. Every time a new requirement or project is received, ETL developers need to develop a large number of process language codes in addition to sorting out business logic. For example, some enterprises use perl language (Practical Extraction and Report Language, practical report extraction language) ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
Inventor 王金龙周国尧杨树波
Owner ADVANCED NEW TECH CO LTD
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