CN105279285A - Synchronization system and method of relation-type database and non-relation-type database - Google Patents
Synchronization system and method of relation-type database and non-relation-type database Download PDFInfo
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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Abstract
The invention discloses a synchronization system and method of a relation-type database and a non-relation-type database. The system mainly comprises: a configuration module configures a corresponding relation between a document field in a non-relation-type database and a table field in a relation-type database and forms a configuration relation document; a reading module, according to the document name of the configuration relation document generated by the configuration module and a time area provided by a timing module, reads correlation data from the non-relation-type database; the timing module records the time when the reading module is accessed to the non-relation-type database and provides a time area from the last access time to this access time for the reading module; a conversion module, according to the correlation data read by the reading module and the configuration relation document stored by the configuration module, generates a command statement for operation of the relation-type database; and an execution module, according to the command statement generated by the conversion module, executes command operation on the relation-type database.
Description
Technical field
The present invention relates to database management technology field, particularly relate to synchro system and the method for a kind of relevant database and non-relational database.
Background technology
Along with the development of business, increasing of systemic-function, system architecture becomes and becomes increasingly complex, and also becomes more and more diversity to the storage of data and demand.
Storage at present to data, generally all adopts relevant database, such as oracle, mysql.Relevant database saves the data in different tables, instead of all data is placed in a large warehouse, which adds speed and improves dirigibility.So, along with the development of business, adopt non-relational database to adapt to new business, such as mongoDB, as the instrument of store and management data on the one hand; Another aspect is in order to the old system of compatibility and must adopt relevant database.Therefore, how compatible data just becomes problem in urgent need to solve in the storage of non-relational database and relevant database.
For the problems referred to above, current solution mainly contains two kinds: scheme one, carries out changing adopting unified database to the interface of system; Scheme two, read data in non-relational database by timing, statement performs the corresponding sql of production Methods type database (StructuredQueryLanguage, Structured Query Language (SQL)) again in relevant database, thus service data.Though above-mentioned two schemes can realize the data compatibility of above-mentioned two kinds of databases, so, scheme one needs to transform traditional relevant database, and scheme two needs the data obtained cannot reflect the change of data, and cannot judge between right and wrong to the data of no-timestamps.
Therefore, be necessary to propose a kind of new relevant database and non-relational database synchronization scenario, to avoid the disadvantages of prior art, the real difficult problem having become current industry and urgently overcome.
Summary of the invention
In view of the disappearance of above-mentioned prior art, one of the present invention object is the synchro system and the method that propose a kind of relevant database and non-relational database, and it is without the need to transforming existing database.
Another object of the present invention is the synchro system and the method that propose a kind of relevant database and non-relational database, and it accurately can reflect data variation.
For reaching above-mentioned and other object, the present invention proposes the synchro system of a kind of relevant database and non-relational database, comprising: configuration module, for configuring the corresponding relation of the document field in non-relational database and the literary name section in relevant database, and forming configuration relation document; Read module, the document name of the configuration relation document stored by this configuration module and the time zone provided by timing module read related data from this non-relational database; Timing module, accesses the time of this non-relational database for recording this read module, provide the last visit time to this time zone of accessing to this read module; Modular converter, the command statement that the configuration relation document structure tree that the related data read according to read module and configuration module store operates for this relevant database; And execution module, the command statement generated according to this modular converter is to this relevant database execution of command operations.
Preferably, the system of the present invention also comprises detection module, for detect this modular converter generate command statement in whether comprise identical major key, if having, then make this modular converter further will comprise identical major key command statement merge.Described command statement is such as inserting (insert), upgrading (update) or delete (delete) command statement.
Preferably, the timing module of the present invention is timer, and it can be embedded in this read module or independent of this read module.
The present invention also proposes the synchronous method of a kind of relevant database and non-relational database, comprising: step S1: the corresponding relation of the document field in configuration non-relational database and the literary name section in relevant database, and is formed configuration relation document; Step S2: access this non-relational database, the simultaneously time of this non-relational database of record access, and provide the last visit time to this access time region; Step S3: read related data from this non-relational database according to the document name of this configuration relation document and this time zone; Step S4: the command statement operated for this relevant database according to read related data and this configuration relation document structure tree; And step S5: according to the command statement generated, command operation is carried out to this relevant database.
Preferably, can comprise in the command statement that detection generates whether comprising identical major key before above-mentioned steps S5 further, if having, then the command statement that will comprise identical major key further merges, to be optimized command statement; If no, then directly perform step S5.
In sum, disclosed relevant database and the synchronization scenario of non-relational database, mainly through the mode of the corresponding relation of the document field in configuration non-relational database and literary name section in relevant database, and the time of record each access non-relational database, to carry out related data extraction according to configuration relation document and time zone during subsequent access, can the data of extraction be converted to command statement afterwards, to carry out command operation according to this command statement to relevant database, such as data are deleted, insert, the operations such as renewal.Compared with prior art, the present invention without the need to existing relevant database place system is carried out transformation can implementation relation type database synchronous with non-relational database.In addition, the present invention provides timestamp in process operation data, and can pass through the data extracted in non-relational database data movement situation is provided, such as data inserting, deletion data, more new data etc., and then can know and reflect data movement, and can judge according to timestamp the data correctness that extracts.
Accompanying drawing explanation
Below by clearly understandable mode, accompanying drawings preferred implementation, is further described the above-mentioned characteristic of a kind of relevant database and non-relational database synchro system and method, technical characteristic, advantage and implementation thereof.
Fig. 1 is the basic framework schematic diagram of a kind of relevant database of the present invention and non-relational database synchro system first embodiment;
Fig. 2 is the basic framework schematic diagram of a kind of relevant database of the present invention and non-relational database synchro system second embodiment;
Fig. 3 is the key step schematic diagram of a kind of relevant database of the present invention and non-relational database synchronous method; And
Fig. 4 is the key step schematic diagram of the another kind of relevant database of the present invention and non-relational database synchronous method.
Drawing reference numeral illustrates:
1. relevant database, 2. non-relational database, 10. configuration module, 11. read modules, 12. timing modules, 13. modular converters, 14. execution modules, 15. detection modules.
Embodiment
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, contrast accompanying drawing is illustrated the specific embodiment of the present invention below.Apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, and obtain other embodiment.
For making simplified form, only schematically show part related to the present invention in each figure, they do not represent its practical structures as product.In addition, be convenient to make simplified form understand, there are the parts of identical structure or function in some figure, only schematically depict one of them, or only marked one of them.In this article, " one " not only represents " only this ", also can represent the situation of " more than one ".
That shown in Figure 1 is the basic framework schematic diagram of disclosed relevant database and non-relational database synchro system first embodiment.Can implementation relation type database 1 and non-relational database 2 synchronous through the present invention.As shown in Figure 1, this system comprises configuration module 10, read module 11, timing module 12, modular converter 13 and execution module 14, is namely described in detail to the logical relation between those modules of the present invention and operation principles below.
Configuration module 10, for configuring the corresponding relation of the document field in non-relational database 2 and the literary name section in relevant database 1, and forms configuration relation document.
Read module 11, the document name of the configuration relation document that can be formed according to this configuration module 10 and the time zone provided by timing module 11 read related data from this non-relational database 2.In the present invention, read module 11 reads related data in the daily record of non-relational database, the various operations to data are recorded in this daily record, such as (insert) is inserted to the data in database, upgrade (update) or delete operations such as (delete), also record simultaneously and operate corresponding time zone (i.e. timestamp) with those, therefore, read module 11 can read related data as index from non-relational database 2 according to document name and time zone.
Timing module 12, accesses the time of non-relational database 2 for recording read module 11, provide the last visit time to this time zone of accessing to read module 10.This timing module 12 is a timer, and this timing module 12 can be embedded in above-mentioned read module 11, and namely the two is designed to one overall, also or this timing module 12 independent of this read module 11, concrete which kind of mode that adopts need need depending on implementing design.
Modular converter 13, the command statement that the configuration relation document structure tree that the related data read according to read module 11 and configuration module 10 generate operates for this relevant database.The command statement generated such as inserting, upgrading or delete command statement etc., corresponding to the various operations of data in storehouse with described in the daily record in above-mentioned non-relational database 2 of those command statements.The command statement generated can perform in relevant database 1, and then can carry out the operations such as such as data insertion, renewal, deletion in this relevant database 1 pair of data, and then makes the data syn-chronization of relevant database 1 and non-relational database 2.
Execution module 14, the command statement generated according to modular converter 13 is to this relevant database execution of command operations, and then finish relation type database 1 and non-relational number storehouse 2 is synchronous.
That shown in Figure 2 is the basic framework schematic diagram of relevant database of the present invention and non-relational database synchro system second embodiment.As shown in Figure 2, the scheme that the present embodiment discloses, except comprising above-mentioned configuration module 10, read module 11, timing module 12, modular converter 13, execution module 14, also comprises a detection module 15.Detection module 15 is for after modular converter 13 generates command statement, detect in the command statement generated and whether comprise identical major key (primekey), if comprise identical major key, then the command statement comprising identical major key merges, to be optimized command statement by another modular converter 13 further.The configuration module 10 that the present embodiment discloses, read module 11, timing module 12, modular converter 13, execution module 14 are identical with the respective modules function that the first embodiment discloses, then this repeats no more.
Utilize first embodiment of the invention disclose relevant database and non-relational database synchro system perform the step schematic diagram of the relevant database of the present invention and the synchronous method of non-relational database as shown in Figure 3.The method comprises the following steps.
Step S1: the corresponding relation of the document field in configuration non-relational database and the literary name section in relevant database, and formed configuration relation document, then proceed to next step S2.
Step S2: access this non-relational database, the simultaneously time of this non-relational database of record access, and provide the last visit time to this access time region, then proceed to step S3.
Step S3: read related data from this non-relational database according to the document name of this configuration relation document and this time zone; Then step S4 is proceeded to.
Step S4: the command statement operated for this relevant database according to read related data and this configuration relation document structure tree; Then next step is proceeded to.
Step S5: command operation is carried out to this relevant database according to the command statement generated.
Fig. 4 is the step schematic diagram that the present invention proposes the synchronous method of another kind of relevant database and non-relational database, itself and said method difference are, this method comprises step S4 ' further after above-mentioned steps S4: detect in the command statement generated whether comprise identical major key, if do not perform above-mentioned steps S5 further; If have, then perform step S4 further ": the command statement comprising identical major key is merged, continues afterwards to perform above-mentioned steps S5.Can be optimized the command statement that step S4 generates further by the present invention.
It should be noted that above-described embodiment all can independent assortment as required.The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a synchro system for relevant database and non-relational database, is characterized in that, comprising:
Configuration module, for configuring the corresponding relation of the document field in non-relational database and the literary name section in relevant database, and forms configuration relation document;
Read module, the document name of the configuration relation document stored by this configuration module and the time zone provided by timing module read related data from this non-relational database;
Timing module, accesses the time of this non-relational database for recording this read module, provide the last visit time to this time zone of accessing to this read module;
Modular converter, the command statement that the configuration relation document structure tree that the related data read according to read module and configuration module generate operates for this relevant database; And
Execution module, the command statement generated according to this modular converter is to this relevant database execution of command operations.
2. the synchro system of relevant database as claimed in claim 1 and non-relational database, is characterized in that: this command statement is for inserting, upgrading or delete command statement.
3. the synchro system of relevant database as claimed in claim 1 and non-relational database, it is characterized in that: also comprise detection module, for detect this modular converter generate command statement in whether comprise identical major key, if have, then this modular converter is made the command statement comprising identical major key to be merged further.
4. the synchro system of relevant database as claimed in claim 1 and non-relational database, is characterized in that: this timing module is timer.
5. the synchro system of relevant database as claimed in claim 4 and non-relational database, is characterized in that: this timer can be embedded in this read module or independent of this read module.
6. a synchronous method for relevant database and non-relational database, is characterized in that, comprising:
Step S1: the corresponding relation of the document field in configuration non-relational database and the literary name section in relevant database, and formed configuration relation document;
Step S2: access this non-relational database, the simultaneously time of this non-relational database of record access, and provide the last visit time to this access time region;
Step S3: read related data from this non-relational database according to the document name of this configuration relation document and this time zone;
Step S4: the command statement operated for this relevant database according to read related data and this configuration relation document structure tree; And
Step S5: command operation is carried out to this relevant database according to the command statement generated.
7. the synchronous method of relevant database as claimed in claim 6 and non-relational database, it is characterized in that: before step S5, can comprise in the command statement that detection generates whether comprising identical major key further, if have, then further the command statement comprising identical major key is merged, if not, directly perform step S5.
8. relevant database as claimed in claim 6 and non-relational database synchronous method, is characterized in that, this command statement is for inserting, upgrading or delete command statement.
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| CN105912665A (en) * | 2016-04-12 | 2016-08-31 | 清华大学 | Method for model conversion and data migration of Neo4j to relational database |
| CN106095991A (en) * | 2016-06-21 | 2016-11-09 | 南京大学 | A kind of automatically generate from relevant database to the method for the code of MongoDB database data migration |
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| CN111046100A (en) * | 2019-11-25 | 2020-04-21 | 武汉达梦数据库有限公司 | Method and system for synchronizing relational database to non-relational database |
| CN113448942A (en) * | 2020-03-27 | 2021-09-28 | 阿里巴巴集团控股有限公司 | Database access method, device, equipment and storage medium |
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| CN115203328A (en) * | 2022-07-14 | 2022-10-18 | 武汉友理节能科技有限公司 | Method and system for synchronizing relational database to non-relational database |
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| CN105912665B (en) * | 2016-04-12 | 2019-05-03 | 清华大学 | The model conversion and data migration method of a kind of Neo4j to relevant database |
| CN105912665A (en) * | 2016-04-12 | 2016-08-31 | 清华大学 | Method for model conversion and data migration of Neo4j to relational database |
| CN106095991A (en) * | 2016-06-21 | 2016-11-09 | 南京大学 | A kind of automatically generate from relevant database to the method for the code of MongoDB database data migration |
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| CN108121718B (en) * | 2016-11-28 | 2021-12-24 | 北京国双科技有限公司 | Data processing method and synchronization equipment |
| CN108121718A (en) * | 2016-11-28 | 2018-06-05 | 北京国双科技有限公司 | A kind of data processing method and synchronizer |
| CN108170815A (en) * | 2017-12-29 | 2018-06-15 | 中国银联股份有限公司 | A kind of data processing method, device and storage medium |
| CN108170815B (en) * | 2017-12-29 | 2022-07-05 | 中国银联股份有限公司 | Data processing method, device and storage medium |
| CN111046100A (en) * | 2019-11-25 | 2020-04-21 | 武汉达梦数据库有限公司 | Method and system for synchronizing relational database to non-relational database |
| CN111046100B (en) * | 2019-11-25 | 2024-03-08 | 武汉达梦数据库股份有限公司 | Method and system for synchronizing relational database to non-relational database |
| CN113448942A (en) * | 2020-03-27 | 2021-09-28 | 阿里巴巴集团控股有限公司 | Database access method, device, equipment and storage medium |
| CN113448942B (en) * | 2020-03-27 | 2022-07-22 | 阿里巴巴集团控股有限公司 | Database access method, device, equipment and storage medium |
| CN114676094A (en) * | 2022-05-27 | 2022-06-28 | 云上(江西)大数据发展有限公司 | Method, system and readable storage medium for full-period management of digitized government projects |
| CN115203328A (en) * | 2022-07-14 | 2022-10-18 | 武汉友理节能科技有限公司 | Method and system for synchronizing relational database to non-relational database |
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Effective date of registration: 20210901 Address after: 321, floor 3, building 8, Zhongguancun Software Park, No. 8, Dongbeiwang West Road, Haidian District, Beijing 100089 Patentee after: DMS Corp. Address before: 313000 room 1019, Xintiandi commercial office, Yishan street, Wuxing District, Huzhou, Zhejiang, China Patentee before: Huzhou YingLie Intellectual Property Operation Co.,Ltd. |
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