CN105912678A - Data storage method, data reading method and corresponding system - Google Patents
Data storage method, data reading method and corresponding system Download PDFInfo
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- CN105912678A CN105912678A CN201610228439.9A CN201610228439A CN105912678A CN 105912678 A CN105912678 A CN 105912678A CN 201610228439 A CN201610228439 A CN 201610228439A CN 105912678 A CN105912678 A CN 105912678A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
- G06F16/275—Synchronous replication
Abstract
The invention discloses a data storage method, a data reading method and a corresponding system, wherein the data storage method comprises the steps that library division and list division rules are defined on a DDL frame layer; library division and list division are carried out to source data on the DDL frame layer according to the defined library division and list division rules, and sub-data blocks processed by the library division and the list division are stored in corresponding main databases; and each main database synchronizes the corresponding sub-data blocks to multiple subsidiary databases corresponding to the main database, wherein all the main databases are taken as writing databases, and all the subsidiary databases are taken as reading databases. According to the invention, the library division and the list division can be carried out to a large batch of data according to certain rules, so that pressure borne by the database is reduced, and separate reading and writing functions can be implemented to the data.
Description
Technical field
The present invention relates to technical field of data processing, be specifically related to a kind of date storage method, digital independent
Method and the system of correspondence thereof.
Background technology
J2EE application and development at present much uses Spring+Mybatis framework to develop, but
Spring+Mybatis itself cannot realize point storehouse and divide the function of table and read and write abruption, also cannot realize moving
The switch data source of state.When application system has large-scale data, need according to certain regular logarithm
Divide table according to a point storehouse, alleviate data base's pressure.It is also required to be simultaneously connected with multiple heterogeneous database simultaneously,
Realize certain operation flow.
Summary of the invention
The technical problem to be solved be to provide a kind of date storage method, method for reading data and
The system of its correspondence, it is possible to solve the deficiencies in the prior art.
The technical scheme is that
On the one hand, the invention provides a kind of date storage method, including:
S1a, divide table regular in a DDL ccf layer definition point storehouse；
S2a, divide according to a point storehouse for definition at DDL ccf layer that table is regular to carry out a point storehouse by source data and divide table,
Form multiple subdata fast, and each sub-block is stored to corresponding MDL；
The sub-block of self is synchronized to corresponding multiple of this MDL by S3a, each MDL
From data base；
Wherein, all of MDL as writing data base, all of from data base as read from database.
On the other hand, the invention provides a kind of method for reading data, including:
S1b, define multiple data queries from data base corresponding to each MDL at DDL ccf layer
Routing rule；
S2b, when receiving data read request, according in data read request request data identify,
Search corresponding MDL；
S3b, according to multiple data query routing rules from data base corresponding to this MDL, from from
Data base searches the data corresponding with data read request.
Another further aspect, the invention provides a kind of data-storage system, including:
First rule definition unit, for dividing table rule in a DDL ccf layer definition point storehouse；
Divide library storage unit, for dividing table rule by source data at DDL ccf layer according to a point storehouse for definition
Carry out a point storehouse and divide table, form multiple sub-block, and each sub-block is stored to corresponding main number
According in storehouse；
Data synchronisation unit, for being synchronized to the multiple of correspondence by the sub-block in each MDL
From data base；
Wherein, all of MDL as writing data base, all of from data base as read from database.
Another aspect, the invention provides a kind of data reading system, including:
Second Rule definition unit, for defining corresponding multiple of each MDL at DDL ccf layer
From the data query routing rule of data base；
First searches unit, for when receiving data read request, according in data read request
Request data identifies, and searches corresponding MDL；
Second searches unit, for the multiple data query roads from data base corresponding according to this MDL
By rule, from searching the data corresponding with data read request from data base.
The system of a kind of date storage method, method for reading data and correspondence thereof that the present invention provides, to greatly
The data of batch divide table rule to carry out a point storehouse according to certain point storehouse to form multiple sub-block, and by subnumber
Store to corresponding MDL according to block, and each MDL is multiple from data base, often to having
Data syn-chronization in one MDL is to multiple from data base, using MDL as writing data base,
Using multiple from data base as read from database, when realizing digital independent, first navigate to MDL,
Regular from the data searching correspondence from data base according to certain query routing, it is achieved read and write abruption
Function.
Accompanying drawing explanation
Fig. 1 is a kind of date storage method flow chart of the embodiment of the present invention one；
Fig. 2 is at data storage rule schematic diagram defined in DDL framework；
Fig. 3 is data Stored Procedure figures；
Fig. 4 is a kind of method for reading data flow chart of the embodiment of the present invention two；
Fig. 5 is a kind of data-storage system schematic diagram of the embodiment of the present invention three；
Fig. 6 is a kind of data reading system schematic diagram of the embodiment of the present invention four.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining this
Invention, is not intended to limit the scope of the present invention.
Embodiment one, a kind of date storage method.Number the present embodiment provided below in conjunction with Fig. 1-Fig. 3
Illustrate according to storage method.
Seeing Fig. 1, the date storage method that the present embodiment provides includes: S1a, fixed at DDL ccf layer
Table rule is divided in a justice point storehouse.
S2a, divide according to a point storehouse for definition at DDL ccf layer that table is regular to carry out a point storehouse by source data and divide table,
Form multiple sub-block, and each sub-block is stored to corresponding MDL.
The sub-block of self is synchronized to the multiple from data base of correspondence by S3a, each MDL；
Wherein, all of MDL as writing data base, all of from data base as read from database.
Concrete, when there being mass data to need storage, application program is at DDL (Distributed Data
Layer, distributed data layer) point storehouses of ccf layer definition data divides table rule, concrete mainly defines
The data division rule of source data and each the sub-block correspondence formed after source data being divided are deposited
The type of database of storage, such as, which sub-block is stored in oracle database, which subnumber
According to block depositor in Mysql data base.
At DDL ccf layer, according to the division rule of definition, source data is divided into multiple sub-block,
And multiple sub-blocks are deposited by the type of database of each the sub-block correspondence storage according to definition
Store up to the MDL of corresponding types data base.Wherein, can be found in the Web of Fig. 2, J2EE application layer
Source data is sent to service layer by layer, and source data is sent to again the distributed number of DDL ccf layer by service layer
According to layer (Distributed Data Layer), a point storehouse for distributed data layer definition source data divides table to advise
Then, each sub-block after dividing table by point storehouse stores to corresponding MDL, each main number
Multiple from data base to having according to storehouse, each MDL will be stored in the sub-block of self and synchronizes to deposit
Store up to corresponding multiple from data base of this MDL, i.e. each data from data base and main number
According to the data consistent in storehouse.See Fig. 3, J2EE layer and source data is sent to DDL ccf layer, at DDL
Point storehouse of ccf layer definition source data divides table regular and that each MDL is corresponding is multiple from data
The data query routing rule in storehouse, divides table rule that source data is divided into multiple sub-block according to a point storehouse,
Being stored by each sub-block to corresponding MDL, all of MDL is as writing data
Storehouse, all correspondences from data base as read from database, therefore, by the data syn-chronization in MDL extremely
After data base, all of attribute from data base is set to read-only (read-only) attribute.
Such as, now need to be stored in data base the ID card information of each provinces and cities, can be according to identity card institute
Belong to provinces and cities to divide, and the ID card information of each provinces and cities after dividing stores the master to corresponding types
In data base, such as, the ID card information of Beijing area is stored in the MDL of Orale data,
The ID card information of District of Shanghai is stored in the MDL of Mysql data base.Each MDL
Corresponding multiple from data base, by the data syn-chronization in each MDL to corresponding multiple from data base
In, MDL as writing data base, multiple from data base as read from database.
It addition, data point storehouse divides table rule can dynamically adjust change, the present embodiment can use note
The mode dynamic of ShardingRule changes a point storehouse and divides table rule.
Embodiment two, a kind of method for reading data.The data provided the present embodiment below in conjunction with Fig. 4 are read
Access method is described.
Seeing Fig. 4, the method for reading data that the present embodiment provides includes: S1b, fixed at DDL ccf layer
Multiple data query routing rules from data base that each MDL of justice is corresponding.
S2b, when receiving data read request, according in data read request request data identify,
Search corresponding MDL.
S3b, according to multiple data query routing rules from data base corresponding to this MDL, from from
Data base searches the data corresponding with data read request.
Concrete, large batch of data point storehouse is divided table to store to corresponding data base by above-described embodiment one
After, application program can be corresponding multiple from data base's of MDL each defined in DDL framework
Data query routing rule, i.e. under same MDL, inquires about each order from data base,
It is specifically as follows poll inquiry, it is also possible to for each, priority, first Query priority are set from data base
High from data base, then Query priority low from data base.
When receiving data read request, first identify according to the request data in data read request,
Search corresponding MDL, such as, when in data read request, the ID card information in Shanghai is read in request,
First search the MDL of correspondence storage Shanghai ID card information, then corresponding many according to this MDL
The individual data query routing rule from data base, from corresponding the searching and number of this MDL from data base
According to the data that read requests is corresponding.
Embodiment three, a kind of data-storage system.The data provided the present embodiment below in conjunction with Fig. 5 are deposited
Storage system illustrates.
Seeing Fig. 5, the data-storage system that the present embodiment provides includes the first rule definition unit 51, divides
Library storage unit 52, data synchronisation unit 53 and attribute arrange unit 54.
Wherein, the first rule definition unit 51, it is mainly used in dividing table to advise in a DDL ccf layer definition point storehouse
Then.
Divide library storage unit 52, be mainly used at DDL ccf layer according to the first rule definition unit 51
A point storehouse for definition is divided table rule that source data is carried out a point storehouse and is divided table, forms multiple sub-block, and by each
Individual sub-block stores to corresponding MDL.
Data synchronisation unit 53, is mainly used in the sub-block in each MDL is synchronized to correspondence
Multiple from data base, wherein, all of MDL is as writing data base, all of from data base
As read from database.
Wherein, first rule definition unit 51 specifically for:
Each sub-block after point storehouse of DDL ccf layer definition source data is divided table rule and divided
The type of database of corresponding storage；
Point library storage unit 52 specifically for:
Divide table rule at DDL ccf layer according to a point storehouse for the data source of definition, source data is divided into many
Individual sub-block, and each sub-block is stored to the MDL of corresponding types data base.
The data-storage system that the present embodiment provides also includes that attribute arranges unit 54, is mainly used in all
The attribute from data base be set to read-only attribute.
Embodiment four, a kind of data reading system.The data provided the present embodiment below in conjunction with Fig. 6 are read
The system of taking is described.
See Fig. 6, the data reading system that the present embodiment provides include Second Rule definition unit 61, the
One searches unit 62 and second searches unit 63.
Wherein, Second Rule definition unit 61, it is mainly used in for defining each master at DDL ccf layer
Multiple data query routing rules from data base that data base is corresponding.
First searches unit 62, is mainly used in when receiving data read request, please according to digital independent
Request data mark in asking, searches corresponding MDL.
Second searches unit 63, is mainly used in the multiple data from data base corresponding according to this MDL
Query routing rule, from searching the data corresponding with data read request from data base.
The system of a kind of date storage method, method for reading data and correspondence thereof that the present invention provides, to greatly
The data of batch divide table rule to carry out a point storehouse according to certain point storehouse to form multiple sub-block, and by subnumber
Store to corresponding MDL according to block, and each MDL is multiple from data base, often to having
Data syn-chronization in one MDL is to multiple from data base, using MDL as writing data base,
Using multiple from data base as read from database, when realizing digital independent, first navigate to MDL,
Regular from the data searching correspondence from data base according to certain query routing, it is achieved read and write abruption
Function；It addition, multiple MDLs may belong to heterogeneous database, it is only necessary at DDL ccf layer
Define the data after point storehouse divides the routing rule of table can divide table by point storehouse and store the master to corresponding types
In data base, it is achieved that use while between heterogeneous database.
In the description of this specification, reference term " embodiment one ", " example ", " concrete example ",
Or the description of " some examples " etc. means to combine this embodiment or example describes concrete grammar, device or
Person's feature is contained at least one embodiment or the example of the present invention.In this manual, to above-mentioned art
The schematic representation of language is necessarily directed to identical embodiment or example.And, the concrete spy of description
Levy, method, device or feature can with in one or more embodiments in office or example in an appropriate manner
In conjunction with.Additionally, in the case of the most conflicting, those skilled in the art can be by this specification
The feature of the different embodiments described or example and different embodiment or example is combined and combines.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all in the present invention
Spirit and principle within, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
Claims (10)
1. a date storage method, it is characterised in that including:
S1a, divide table regular in a DDL ccf layer definition point storehouse；
S2a, divide according to a point storehouse for definition at DDL ccf layer that table is regular to carry out a point storehouse by source data and divide table,
Form multiple subdata fast, and each sub-block is stored to corresponding MDL；
The sub-block of self is synchronized to corresponding multiple of this MDL by S3a, each MDL
From data base；
Wherein, all of MDL as writing data base, all of from data base as read from database.
2. a kind of date storage method as claimed in claim 1, it is characterised in that described step S1a
Specifically include:
Each subdata after point storehouse of DDL ccf layer definition source data is divided table rule and divided
The type of database of block correspondence storage；
Described step S2a specifically includes:
Divide table rule at DDL ccf layer according to a point storehouse for the data source of definition, source data is divided into many
Individual sub-block, and each sub-block is stored to the MDL of corresponding types data base.
3. date storage method as claimed in claim 1 a kind of, it is characterised in that by all of from
The attribute of data base is set to read-only read-only attribute.
4. a kind of date storage method as claimed in claim 2, it is characterised in that use and explain
The mode of ShardingRule dynamically defines a point storehouse and divides table rule.
5. a method for reading data, it is characterised in that including:
S1b, define multiple data queries from data base corresponding to each MDL at DDL ccf layer
Routing rule；
S2b, when receiving data read request, according in data read request request data identify,
Search corresponding MDL；
S3b, according to multiple data query routing rules from data base corresponding to this MDL, from from
Data base searches the data corresponding with data read request.
6. a kind of method for reading data as claimed in claim 5, it is characterised in that use and explain
Multiple data from data base that the mode of ShardingRule dynamically defines each MDL corresponding are looked into
Ask routing rule.
7. a data-storage system, it is characterised in that including:
First rule definition unit, for dividing table rule in a DDL ccf layer definition point storehouse；
Divide library storage unit, for dividing table rule by source data at DDL ccf layer according to a point storehouse for definition
Carry out a point storehouse and divide table, form multiple sub-block, and each sub-block is stored to corresponding main number
According in storehouse；
Data synchronisation unit, for being synchronized to the multiple of correspondence by the sub-block in each MDL
From data base；Wherein, all of MDL as writing data base, all of from data base as reading
Data base.
8. a kind of data-storage system as claimed in claim 7, it is characterised in that described first rule
Then definition unit specifically for:
Each subdata after point storehouse of DDL ccf layer definition source data is divided table rule and divided
The type of database of block correspondence storage；
Described point of library storage unit specifically for:
Divide table rule at DDL ccf layer according to a point storehouse for the data source of definition, source data is divided into many
Individual sub-block, and each sub-block is stored to the MDL of corresponding types data base.
9. a kind of data-storage system as claimed in claim 7, it is characterised in that also include:
Attribute arranges unit, belongs to for all of attribute from data base is set to read-only read-only
Property.
10. a data reading system, it is characterised in that including:
Second Rule definition unit, for defining corresponding multiple of each MDL at DDL ccf layer
From the data query routing rule of data base；
First searches unit, for when receiving data read request, according in data read request
Request data identifies, and searches corresponding MDL；
Second searches unit, for the multiple data query roads from data base corresponding according to this MDL
By rule, from searching the data corresponding with data read request from data base.
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| CN111737228A (en) * | 2020-06-23 | 2020-10-02 | 平安医疗健康管理股份有限公司 | Database and table dividing method and device |
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| CN107844490A (en) * | 2016-09-19 | 2018-03-27 | 华为技术有限公司 | A kind of database divides storehouse method and device |
| CN108268517A (en) * | 2016-12-30 | 2018-07-10 | 希姆通信息技术（上海）有限公司 | The management method and system of label in database |
| CN108509450A (en) * | 2017-02-27 | 2018-09-07 | 北京京东尚科信息技术有限公司 | For handling the newer method and apparatus of database high concurrent |
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| CN112784136A (en) * | 2019-11-05 | 2021-05-11 | 阿里巴巴集团控股有限公司 | Data query method and device and electronic equipment |
| CN111737228A (en) * | 2020-06-23 | 2020-10-02 | 平安医疗健康管理股份有限公司 | Database and table dividing method and device |
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| CN111782634A (en) * | 2020-06-29 | 2020-10-16 | 京东数字科技控股有限公司 | Data distributed storage method and device, electronic equipment and storage medium |
| CN112256793A (en) * | 2020-09-28 | 2021-01-22 | 建信金融科技有限责任公司 | Distributed TPS real-time calculation method and facility for implementing same |
| CN112327777A (en) * | 2020-11-13 | 2021-02-05 | 上海能誉科技股份有限公司 | Data acquisition system and method |
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Application publication date: 20160831 |