CN112328704A - Method, system, computer equipment and storage medium for realizing multi-data source combined query - Google Patents
Method, system, computer equipment and storage medium for realizing multi-data source combined query Download PDFInfo
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/28—Databases characterised by their database models, e.g. relational or object models
- G06F16/283—Multi-dimensional databases or data warehouses, e.g. MOLAP or ROLAP
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Abstract
The invention discloses a method, a system, computer equipment and a storage medium for realizing the joint query of a plurality of data sources, wherein the method comprises the following steps: receiving a data query instruction sent by a first platform; acquiring the inquiry authority of the first platform to obtain the types of other platforms which the first platform has authority to inquire; converting the data query instruction into a conversion query instruction corresponding to the platform type; sending a corresponding conversion query instruction to other platforms; and obtaining query results of other platforms, converting the query results and sending the converted query results to the first platform. The invention can realize the query of various data sources by the query data conversion of the total number bin platform.
Description
Technical Field
The present invention relates to the field of data storage, and in particular, to a method, system, computer device, and storage medium for implementing a multi-data source joint query.
Background
The data warehouse platform is a core module for data management, bears the functions of data processing and business in the data management process, and is dedicated to: (1) and constructing a uniform data classification system for managing all service data in a catalogue manner, and facilitating classification, search, evaluation and use of the data. (2) And constructing a unified data standard system, based on national or industrial standards, for standardizing each row of data and the specific value of each field, and improving the data quality and the usability. (3) A unified data model system is built, an enterprise data layered system is built from top to bottom through standard definition and data modeling, an enterprise data common layer and a subject library are precipitated, data circulation, sharing, creation and innovation are facilitated, data use efficiency is improved, and data redundancy, chaos, isolation, inconsistency, spurious and the like are greatly reduced. However, in the prior art, one total number bin platform manages a plurality of other fractional bin platforms, and data query needs also exist among the fractional bin platforms, on the premise that the total number bin platform has authority; however, the types of databases of the respective fractional warehouse platforms are different, so that the languages used by the fractional warehouse platforms are also different, which results in that the query codes used by the fractional warehouse platform cannot be accepted by other fractional warehouse platforms, and thus, the multi-data source joint query cannot be performed. Therefore, it is an urgent problem in the art to provide a method, a system, a computer device and a storage medium for implementing a joint query of multiple data sources.
Disclosure of Invention
It is an object of the present invention to overcome the deficiencies of the prior art and to provide a method, system, computer device and storage medium related to enabling a federated query of multiple data sources.
The purpose of the invention is realized by the following technical scheme:
the first aspect of the present invention provides a method for implementing a multiple data source joint query, including the following steps:
receiving a data query instruction sent by a first platform;
acquiring the inquiry authority of the first platform to obtain the types of other platforms which the first platform has authority to inquire;
converting the data query instruction into a conversion query instruction corresponding to the platform type;
sending a corresponding conversion query instruction to other platforms;
and obtaining query results of other platforms, converting the query results and sending the converted query results to the first platform.
Further, the type is a database type of the platform, including Mysql, Oracal, Hive.
Further, the method for setting the query authority comprises the following steps:
setting authority according to the self grade of the platform, wherein the high-grade platform has inquiry authority to the low-grade platform; and/or
And selecting other platforms with the authority for inquiring the platform according to the self setting of the platform.
Further, the levels are related to unit levels, including country level, provincial level, city level, and district level.
In a second aspect of the present invention, a system for implementing a multiple data source join query is provided, including:
the query instruction receiving module: the system comprises a first platform, a second platform and a data query command, wherein the first platform is used for receiving the data query command sent by the first platform;
a platform type acquisition module: the system comprises a first platform, a second platform and a third platform, wherein the first platform is used for acquiring the inquiry authority of the first platform and acquiring the types of other platforms which the first platform has authority to inquire;
the instruction conversion module: the conversion query instruction is used for converting the data query instruction into a conversion query instruction corresponding to the platform type;
a conversion instruction query module: the system is used for sending a corresponding conversion query instruction to other platforms;
the query result sending module: and the query result is used for obtaining the query results of other platforms, converting the query results and sending the converted query results to the first platform.
Further, the type is a database type of the platform, including Mysql, Oracal, Hive.
Further, the method for setting the query authority comprises the following steps:
setting authority according to the self grade of the platform, wherein the high-grade platform has inquiry authority to the low-grade platform; and/or
And selecting other platforms with the authority for inquiring the platform according to the self setting of the platform.
Further, the levels are related to unit levels, including country level, provincial level, city level, and district level.
In a third aspect of the invention, a computer device is provided, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the method when executing the computer program.
In a fourth aspect of the invention, a computer-readable storage medium is provided, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method.
The invention has the beneficial effects that:
(1) in an exemplary embodiment of the invention, the data processing method is suitable for a total number bin platform, and comprises the steps of firstly receiving data query instructions of other fraction bin platforms, namely a first platform, then determining the types of the other fraction bin platforms to be queried according to query requirements and query permissions of the first platform, then converting the data query instructions sent by the first platform according to the types, converting the data query instructions into conversion query instructions which can be adapted to the other platforms, then sending the conversion query instructions to the corresponding other platforms, after receiving the recognizable conversion query instructions, carrying out data query on the current number bin platform by the other platforms, then sending query results to the total number bin platform, and converting the query results into query results which can be recognized by the first platform by the total number bin platform and then sending the query results to the first platform. By adopting the mode, the query of various data sources can be realized through the query data conversion of the total number bin platform.
(2) In yet another exemplary embodiment of the present invention, the data transformation is performed according to a database type of the platform.
(3) In another exemplary embodiment of the present invention, a method for setting query authority includes: setting authority according to the self grade of the platform, wherein the high-grade platform has inquiry authority to the low-grade platform; and selecting other platforms with the authority for inquiring the platform according to the self setting of the platform.
(4) In yet another exemplary embodiment of the present invention, the levels are related to unit levels, including country level, province level, city level, district level.
Drawings
FIG. 1 is a schematic diagram of a platform architecture on which a method according to an exemplary embodiment of the present invention is based;
fig. 2 is a flowchart of a method disclosed in an exemplary embodiment of the invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1, fig. 1 shows a connection diagram of a platform on which the method for implementing a multiple data source joint query according to the present invention is provided, where the connection diagram includes a total number bin platform and a plurality of fraction bin platforms connected thereto, the total number bin platform not only provides data transceiving, data development, and data cleansing for the fraction bin platforms, but also implements the data source joint query function mentioned in the following exemplary embodiments, so as to facilitate the total query of one fraction bin platform (hereinafter, referred to as a first platform) to another fraction bin platform (hereinafter, referred to as another platform).
Referring to fig. 2, fig. 2 is a flowchart illustrating a method for implementing a multiple data source join query according to an exemplary embodiment of the present invention, which specifically includes the following steps:
receiving a data query instruction sent by a first platform;
acquiring the inquiry authority of the first platform to obtain the types of other platforms which the first platform has authority to inquire;
converting the data query instruction into a conversion query instruction corresponding to the platform type;
sending a corresponding conversion query instruction to other platforms;
and obtaining query results of other platforms, converting the query results and sending the converted query results to the first platform.
Specifically, the method of the exemplary embodiment is applicable to data processing of the total number bin platform, and includes receiving a data query instruction of another fractional bin platform, that is, a first platform, determining a type of the other fractional bin platform to be queried according to a query requirement and a query authority of the first platform, converting the data query instruction sent by the first platform according to the type, converting the data query instruction into a conversion query instruction which can be adapted to the other platform, sending the conversion query instruction to the corresponding other platform, performing data query on the current number bin platform after the other platform receives the recognizable conversion query instruction, sending a query result to the total number bin platform, and sending the query result to the first platform after the total number bin platform converts the query result into a query result which can be recognized by the first platform. By adopting the mode, the query of various data sources can be realized through the query data conversion of the total number bin platform.
Preferably, in an exemplary embodiment, the type is a database type of the platform, including Mysql, Oracal, Hive.
Preferably, in an exemplary embodiment, the method for setting the query right includes:
setting authority according to the self grade of the platform, wherein the high-grade platform has inquiry authority to the low-grade platform; and/or
And selecting other platforms with the authority for inquiring the platform according to the self setting of the platform.
The first way is to set the query authority according to the characteristics of the platform itself, that is, the high level can query the low level, and in a preferred exemplary embodiment, the level is related to the unit level, including the country level, the provincial level, the city level, and the district level, that is, the level can be related to the unit of the corresponding database; in yet another exemplary embodiment, the level may be set according to the level of the company's internal department. The second mode is self-setting of a plurality of warehouse platforms, and can be provided for other platforms to carry out data query.
The same inventive concept as the above exemplary embodiment, and yet another exemplary embodiment of the present invention discloses a system for implementing a multiple data source join query, including:
the query instruction receiving module: the system comprises a first platform, a second platform and a data query command, wherein the first platform is used for receiving the data query command sent by the first platform;
a platform type acquisition module: the system comprises a first platform, a second platform and a third platform, wherein the first platform is used for acquiring the inquiry authority of the first platform and acquiring the types of other platforms which the first platform has authority to inquire;
the instruction conversion module: the conversion query instruction is used for converting the data query instruction into a conversion query instruction corresponding to the platform type;
a conversion instruction query module: the system is used for sending a corresponding conversion query instruction to other platforms;
the query result sending module: and the query result is used for obtaining the query results of other platforms, converting the query results and sending the converted query results to the first platform.
Preferably, in an exemplary embodiment, the type is a database type of the platform, including Mysql, Oracal, Hive.
Preferably, in an exemplary embodiment, the method for setting the query right includes:
setting authority according to the self grade of the platform, wherein the high-grade platform has inquiry authority to the low-grade platform; and/or
And selecting other platforms with the authority for inquiring the platform according to the self setting of the platform.
More preferably, in an exemplary embodiment, the levels are associated with unit levels, including country level, province level, city level, district level.
Based on the preferred exemplary embodiments of the method described above, a further exemplary embodiment of the invention provides a computer arrangement comprising a memory, a processor and a computer program stored on the memory and executable on the processor, which when executing the computer program performs the steps of the method.
Based on the preferred exemplary embodiment of the method described above, a further exemplary embodiment of the invention provides a computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method described.
Based on such understanding, the technical solutions of the present embodiments may be essentially implemented or make a contribution to the prior art, or may be implemented in the form of a software product stored in a storage medium and including several instructions for causing an apparatus to execute all or part of the steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
It is to be understood that the above-described embodiments are illustrative only and not restrictive of the broad invention, and that various other modifications and changes in light thereof will be suggested to persons skilled in the art based upon the above teachings. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.
Claims (10)
1. The method for realizing the joint query of the multiple data sources is characterized in that: the method comprises the following steps:
receiving a data query instruction sent by a first platform;
acquiring the inquiry authority of the first platform to obtain the types of other platforms which the first platform has authority to inquire;
converting the data query instruction into a conversion query instruction corresponding to the platform type;
sending a corresponding conversion query instruction to other platforms;
and obtaining query results of other platforms, converting the query results and sending the converted query results to the first platform.
2. The method for implementing multi-data source joint query according to claim 1, wherein: the type is a database type of the platform, and comprises Mysql, Oracal and Hive.
3. The method for implementing multi-data source joint query according to claim 1, wherein: the method for setting the query authority comprises the following steps:
setting authority according to the self grade of the platform, wherein the high-grade platform has inquiry authority to the low-grade platform; and/or
And selecting other platforms with the authority for inquiring the platform according to the self setting of the platform.
4. The method for implementing multi-data source joint query according to claim 3, wherein: the grades are related to unit grades, including country grade, provincial grade, city grade, and district grade.
5. The system for realizing the joint query of the multiple data sources is characterized in that: the method comprises the following steps:
the query instruction receiving module: the system comprises a first platform, a second platform and a data query command, wherein the first platform is used for receiving the data query command sent by the first platform;
a platform type acquisition module: the system comprises a first platform, a second platform and a third platform, wherein the first platform is used for acquiring the inquiry authority of the first platform and acquiring the types of other platforms which the first platform has authority to inquire;
the instruction conversion module: the conversion query instruction is used for converting the data query instruction into a conversion query instruction corresponding to the platform type;
a conversion instruction query module: the system is used for sending a corresponding conversion query instruction to other platforms;
the query result sending module: and the query result is used for obtaining the query results of other platforms, converting the query results and sending the converted query results to the first platform.
6. The system for implementing multi-data source joint query according to claim 5, wherein: the type is a database type of the platform, and comprises Mysql, Oracal and Hive.
7. The system for implementing multi-data source joint query according to claim 5, wherein: the method for setting the query authority comprises the following steps:
setting authority according to the self grade of the platform, wherein the high-grade platform has inquiry authority to the low-grade platform; and/or
And selecting other platforms with the authority for inquiring the platform according to the self setting of the platform.
8. The system for implementing multi-data source joint query of claim 7, wherein: the grades are related to unit grades, including country grade, provincial grade, city grade, and district grade.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the method of any of claims 1 to 4 are implemented when the computer program is executed by the processor.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 4.
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