CN102436633A - Data management method and system as well as database system - Google Patents
Data management method and system as well as database system Download PDFInfo
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- CN102436633A CN102436633A CN2011103901928A CN201110390192A CN102436633A CN 102436633 A CN102436633 A CN 102436633A CN 2011103901928 A CN2011103901928 A CN 2011103901928A CN 201110390192 A CN201110390192 A CN 201110390192A CN 102436633 A CN102436633 A CN 102436633A
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Abstract
The embodiment of the invention discloses a data management method and a system as well as a database system. The method comprises the following steps of: transmitting a data request message to the database system, wherein the data request message contains a user data identification sent by a client; receiving user data and a first version of information of the user data, which are transmitted by the database system; transmitting the user data to the client; receiving and storing the user data which is submitted by the client and is modified, and locking the user data in the database system; comparing whether the first version of information is the same as that the current version of information of the user data in the database system or not; and if so, writing the modified user data into the database system.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of data managing method and system, Database Systems.
Background technology
Zone health information platform (Regional Health Information Network; RHIN) being is regional electronic health record (the Electronic Medical Record at center with individual people; EMR) and the electronic health care archives (Electronic Health Record, EHR) storage and shared platform, the operating information system of each medical institutions (Point of Service; POS) mode with client is linked among the RHIN, can upload or share certain resident's electronic health care archives.EMR and EHR are through RHIN can (Hospital Information System shares between HIS) in each medical information system.
EMR and EHR adopt relational database to preserve; In relational database; Context consistance of data (be the someone can not cover other people modification to these data to the modification of certain bar data) and concurrent control generally adopt the technology of affairs (Transaction) to realize: when user's reading of data, start affairs; For the data in the database add exclusive lock, during data interlock, other users can't read and revise these data; Or when the user submits amended data to, start affairs, for the data in the database add exclusive lock, during data interlock, other users can't read and revise these data.
At least there is following problem in the prior art: when user's reading of data, start affairs; For the data in the database add exclusive lock, can realize control to the concurrent visit of data, guarantee the consistance of data; But the overlong time that locks has simultaneously reduced the performance of concurrent visit data; Cause the access throughput of system to reduce, and the maintenance of exclusive lock mechanism needs central processing unit that the data exclusive lock of each node of entire database system is broadcasted or inquired about, administration overhead is big; , the user starts affairs when submitting amended data to, and less for the data in the database add exclusive lock to the performance impact of concurrent visit data, but consistance that can not the strict guarantee data.Be that current transaction control method can not guarantee the consistance of data and the performance of concurrent visit data simultaneously.
Summary of the invention
Embodiments of the invention provide a kind of data managing method and system, Database Systems, can when guaranteeing data consistency, improve the performance of concurrent visit data.
The technical scheme that the embodiment of the invention adopts is:
A kind of data managing method comprises:
Send data request information to Database Systems, comprise the user data sign that client is sent in the said data request information;
Receive the user data of said Database Systems transmission and the first version information of said user data;
Said user data is sent to said client;
Behind the amended user data that receives and preserve said client submission, the said user data in the said Database Systems is locked;
Whether the current version information of the said user data in more said first version information and the said Database Systems is identical;
If said first version information is identical with said current version information, then said amended user data is write said Database Systems.
A kind of data managing method comprises:
Receive the data request information that data management system is sent, comprise the user data sign that client is sent in the said data request information;
Obtain first version information with said ID corresponding user data and said user data;
The first version information of said user data and said user data is sent to said data management system;
After said data management system locks said user data and when the current version information of said first version information and said user data is identical, receive and store the amended user data that said data management system writes.
A kind of data management system comprises:
The request of data sending module is used for sending data request information to Database Systems, comprises the user data sign that client is sent in the said data request information;
The data message receiver module is used to receive the user data of said Database Systems transmission and the first version information of said user data;
Data transmission blocks is used for said user data is sent to said client;
Locking module is used for behind the amended user data that receives and preserve said client submission, the said user data in the said Database Systems being locked;
Comparison module, whether be used for more said first version information identical with the current version information of the said user data of said Database Systems;
Writing module is used for when said first version information is identical with said current version information, said amended user data being write said Database Systems.
A kind of Database Systems comprise:
The request of data receiver module is used to receive the data request information that data management system is sent, and comprises the user data sign that client is sent in the said data request information;
The data message acquisition module is used to obtain the first version information with said ID corresponding user data and said user data;
The data message sending module is used for the first version information of said user data and said user data is sent to said data management system;
Data reception module; Be used for after said data management system locks said user data and when the current version information of said first version information and said user data is identical, receive and store the amended user data that said data management system writes.
Data managing method that the embodiment of the invention provides and system, Database Systems; Data management system is sent the data request information of the user data sign that comprises that client is sent to Database Systems; Receive the user data of said Database Systems transmission and the first version information of said user data; Said user data is sent to said client; After receiving and preserve the amended user data that said client submits to, the said user data in the said Database Systems is locked, whether the current version information of the said user data in more said first version information and the said Database Systems is identical; If said first version information is identical with said current version information, then said amended user data is write said Database Systems.Compared with prior art; The embodiment of the invention can determine whether amended data are write Database Systems through the comparing data version information; When only the version information of user data does not change in Database Systems; Just amended user data is write Database Systems, thereby can guarantee the consistance of data; Simultaneously, owing to only before amended data to be written, just data are locked, reduced locking time, thereby can improve the performance of concurrent visit data.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The data managing method process flow diagram that Fig. 1 provides for the embodiment of the invention one;
The data managing method process flow diagram that Fig. 2 provides for the embodiment of the invention two;
The data managing method process flow diagram that Fig. 3 provides for the embodiment of the invention three;
The data management system structural representation that Fig. 4, Fig. 5 provide for the embodiment of the invention four;
The database system structure synoptic diagram that Fig. 6, Fig. 7 provide for the embodiment of the invention five.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making all other embodiment that obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
For the advantage that makes technical scheme of the present invention is clearer, the present invention is elaborated below in conjunction with accompanying drawing and embodiment.
Embodiment one
Present embodiment provides a kind of data managing method, and is as shown in Figure 1, and said method comprises:
101, send data request information to Database Systems, comprise the user data sign that client is sent in the said data request information.
102, receive the user data of said Database Systems transmission and the first version information of said user data.
103, said user data is sent to said client.
104, behind the amended user data that receives and preserve said client submission, the said user data in the said Database Systems is locked.
105, whether the current version information of the said user data in more said first version information and the said Database Systems is identical.
If 106 said first version information are identical with said current version information, then said amended user data is write said Database Systems.
Further, if said first version information and said current version information are inequality, then cancellation writes said Database Systems with said amended user data, and returns error message to client.
Further, before whether the current version information of said first version information and user data described in the said Database Systems is identical, also comprise:
From said Database Systems, obtain the current version information of said user data.
Further, after the first version information of user data that the said Database Systems of said reception are sent and said user data, also comprise:
Preserve the first version information of said user data.
Wherein, when said first version information is identical with said current version information, generate second version information of said amended user data;
Then saidly said amended user data write said Database Systems specifically comprise:
With the said user data update in the said Database Systems is said amended user data, is said second version information with said first version information updating.
Further, said said amended user data is write said Database Systems after, also comprise:
According to the indication of said Database Systems, the said amended user data in the said Database Systems is unlocked.
The method of the embodiment of the invention can be by processor (such as central processor CPU) or special IC execution such as (ASIC).
The data managing method that the embodiment of the invention provides, data management system send the data request information of the user data sign that comprises that client is sent to Database Systems; Receive the user data of said Database Systems transmission and the first version information of said user data; Said user data is sent to said client; Behind the amended user data that receives and preserve said client submission, the said user data in the said Database Systems is locked; Whether the current version information of the said user data in the more said first version information of data management system and the said Database Systems is identical; If said first version information is identical with said current version information, data management system writes said Database Systems with said amended user data.Compared with prior art; The embodiment of the invention can determine whether amended data are write Database Systems through the comparing data version information; When only the version information of user data does not change in Database Systems; Just amended user data is write Database Systems, thereby can guarantee the consistance of data; Simultaneously, owing to only before amended data to be written, just data are locked, reduced locking time, thereby can improve the performance of concurrent visit data.
Embodiment two
Present embodiment provides a kind of data managing method, and is as shown in Figure 2, and said method comprises:
201, receive the data request information that data management system is sent, comprise the user data sign that client is sent in the said data request information.
202, obtain first version information with said ID corresponding user data and said user data.
203, the first version information with said user data and said user data sends to said data management system.
204, after said data management system locks said user data and when the current version information of said first version information and said user data is identical, receive and store the amended user data that said data management system writes.
Further, also comprise:
Receive and store second version information of the amended user data that said data management system writes.
Further, in said reception and store after the amended user data that said data management system writes, also comprise:
Send Indication message to said data management system, said Indication message is used to indicate said data management system to remove the locking to said amended user data.
The data managing method that the embodiment of the invention provides, Database Systems receive the data request information that comprises the user data sign that client is sent that data management system is sent; Obtain first version information with said ID corresponding user data and said user data; The first version information of said user data and said user data is sent to said data management system; After said data management system locks said user data and when the current version information of said first version information and said user data is identical, receive and store the amended user data that said data management system writes.Compared with prior art; The embodiment of the invention can determine whether amended data are write Database Systems through the comparing data version information; When only the version information of user data does not change in Database Systems; Just amended user data is write Database Systems, thereby can guarantee the consistance of data; Simultaneously, owing to only before amended data to be written, just data are locked, reduced locking time, thereby can improve the performance of concurrent visit data.
Embodiment three
Present embodiment provides a kind of data managing method, and is as shown in Figure 3, and said method comprises:
301, data management system is sent data request information to Database Systems, comprises the user data sign that client is sent in the said data request information.
302, Database Systems are obtained the first version information with said ID corresponding user data and said user data.
303, Database Systems send to said data management system with the first version information of said user data and said user data.
304, data management system is preserved the first version information of said user data.
305, data management system sends to said client with said user data.
306, data management system receives and preserves the amended user data that said client is submitted to.
307, data management system locks the said user data in the said Database Systems.
308, data management system is obtained the current version information of said user data from said Database Systems.
309, whether the more said first version information of data management system is identical with the current version information of said user data, if identical then execution in step 310-313, if inequality then execution in step 314.
310, data management system writes said Database Systems with said amended user data.
Before said amended user data is write said Database Systems, when said first version information is identical with said current version information, generate second version information of said amended user data.
Concrete, second version information of the said amended user data of said generation can comprise:
Numerical value is numbered as version information, when generating version information, on the basis of original version numbering, add a processing; Or
With timestamp as version identifier, when generating version information, the timestamp when in version information, adding the version information generation according to the standard time.
Concrete, saidly said amended user data is write said Database Systems comprise:
With the said user data update in the said Database Systems is said amended user data, is said second version information with said first version information updating.
311, Database Systems receive and store the amended user data that said data management system writes.
Wherein, when receiving and storing the amended user data that said data management system writes, receive and store second version information of the amended user data that said data management system writes.
312, Database Systems are sent Indication message to said data management system.
Wherein, said Indication message is used to indicate said data management system to remove the locking to said amended user data.
313, data management system unlocks to the said amended user data in the said Database Systems according to the indication of said Database Systems.
314, the data management system cancellation writes said Database Systems with said amended user data, and returns error message to client.
The method of the embodiment of the invention can be by processor (such as central processor CPU) or special IC execution such as (ASIC).
The data managing method that the embodiment of the invention provides, data management system send the data request information of the user data sign that comprises that client is sent to Database Systems; Database Systems send to said data management system with the first version information of said user data and said user data; Data management system sends to said client with said user data; Data management system locks the said user data in the said Database Systems behind the amended user data that receives and preserve said client submission; From said Database Systems, obtain the current version information of said user data; Whether the current version information of the said user data in more said first version information and the said Database Systems is identical; If said first version information is identical with said current version information, said amended user data is write said Database Systems; According to the indication of said Database Systems, the said amended user data in the said Database Systems is unlocked.Compared with prior art; The embodiment of the invention can determine whether amended data are write Database Systems through the comparing data version information; When only the version information of user data does not change in Database Systems; Just amended user data is write Database Systems, thereby can guarantee the consistance of data; Simultaneously, owing to only before amended data to be written, just data are locked, reduced locking time, thereby can improve the performance of concurrent visit data.
Embodiment four
Present embodiment provides a kind of data management system, and is as shown in Figure 4, and said data management system comprises:
Request of data sending module 41 is used for sending data request information to Database Systems, comprises the user data sign that client is sent in the said data request information;
Data message receiver module 42 is used to receive the user data of said Database Systems transmission and the first version information of said user data;
Data transmission blocks 43 is used for said user data is sent to said client;
Locking module 44 is used for behind the amended user data that receives and preserve said client submission, the said user data in the said Database Systems being locked;
Further, as shown in Figure 5, said system also comprises:
Further, as shown in Figure 5, said system also comprises:
Version information acquisition module 48 is used for obtaining from said Database Systems the current version information of said user data.
Further, as shown in Figure 5, said system also comprises:
Version information is preserved module 49, the first version information that is used to preserve said user data.
Further, as shown in Figure 5, said system also comprises:
Version information generation module 410 is used for when said first version information is identical with said current version information, generating second version information of said amended user data;
Then said write module 46 specifically is used for:
With the said user data update in the said Database Systems is said amended user data, is said second version information with said first version information updating.
Further, as shown in Figure 5, said system also comprises:
The device of the embodiment of the invention can be processor (such as central processor CPU) or special IC (ASIC) etc.
The data management system that the embodiment of the invention provides, request of data sending module 41 are sent the data request information of the user data sign that comprises that client is sent to Database Systems; Data message receiver module 42 receives the user data of said Database Systems transmission and the first version information of said user data; Data transmission blocks 43 sends to said client with said user data; Behind the amended user data that receives and preserve said client submission, the said user data in 44 pairs of said Database Systems of locking module locks; Whether the current version information of the said user data in comparison module 45 more said first version information and the said Database Systems is identical; If said first version information is identical with said current version information, writing module 46 writes said Database Systems with said amended user data.Compared with prior art; The embodiment of the invention can determine whether amended data are write Database Systems through the comparing data version information; When only the version information of user data does not change in Database Systems; Just amended user data is write Database Systems, thereby can guarantee the consistance of data; Simultaneously, owing to only before amended data to be written, just data are locked, reduced locking time, thereby can improve the performance of concurrent visit data.
Embodiment five
Present embodiment provides a kind of Database Systems, and is as shown in Figure 6, and said Database Systems comprise:
Request of data receiver module 61 is used to receive the data request information that data management system is sent, and comprises the user data sign that client is sent in the said data request information;
Data message acquisition module 62 is used to obtain the first version information with said ID corresponding user data and said user data;
Data message sending module 63 is used for the first version information of said user data and said user data is sent to said data management system;
Further, as shown in Figure 7, said Database Systems also comprise:
Version information memory module 65 is used to receive and store second version information of the amended user data that said data management system writes.
Further, as shown in Figure 7, said Database Systems also comprise:
The Database Systems that the embodiment of the invention provides, request of data receiver module 61 receive the data request information that comprises the user data sign that client is sent that data management system is sent; Data message acquisition module 62 obtains the first version information with said ID corresponding user data and said user data; Data message sending module 63 sends to said data management system with the first version information of said user data and said user data; Data reception module 64 receives and stores the amended user data that said data management system writes.Compared with prior art; The embodiment of the invention can determine whether amended data are write Database Systems through the comparing data version information; When only the version information of user data does not change in Database Systems; Just amended user data is write Database Systems, thereby can guarantee the consistance of data; Simultaneously, owing to only before amended data to be written, just data are locked, reduced locking time, thereby can improve the performance of concurrent visit data.
The device of the embodiment of the invention can be processor (such as central processor CPU) or special IC (ASIC) etc.
Data managing method that the embodiment of the invention provides and system, Database Systems can realize the above-mentioned method embodiment that provides, and concrete function is realized seeing also the explanation among the method embodiment, repeats no more at this.Data managing method that the embodiment of the invention provides and system, Database Systems go for the management of file data, but are not limited only to this.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method; Be to instruct relevant hardware to accomplish through computer program; Described program can be stored in the computer read/write memory medium; This program can comprise the flow process like the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (18)
1. a data managing method is characterized in that, comprising:
Send data request information to Database Systems, comprise the user data sign that client is sent in the said data request information;
Receive the user data of said Database Systems transmission and the first version information of said user data;
Said user data is sent to said client;
Behind the amended user data that receives and preserve said client submission, the said user data in the said Database Systems is locked;
Whether the current version information of the said user data in more said first version information and the said Database Systems is identical;
If said first version information is identical with said current version information, then said amended user data is write said Database Systems.
2. data managing method according to claim 1 is characterized in that, also comprises:
If said first version information and said current version information are inequality, then cancellation writes said Database Systems with said amended user data, and returns error message to client.
3. data managing method according to claim 1 is characterized in that, before whether the current version information of said first version information and user data described in the said Database Systems is identical, also comprises:
From said Database Systems, obtain the current version information of said user data.
4. data managing method according to claim 1 is characterized in that, after the first version information of user data that the said Database Systems of said reception are sent and said user data, also comprises:
Preserve the first version information of said user data.
5. data managing method according to claim 1 is characterized in that, also comprises:
When said first version information is identical with said current version information, generate second version information of said amended user data;
Then saidly said amended user data write said Database Systems comprise:
With the said user data update in the said Database Systems is said amended user data, is said second version information with said first version information updating.
6. data managing method according to claim 1 is characterized in that, said said amended user data is write said Database Systems after, also comprise:
According to the indication of said Database Systems, the said amended user data in the said Database Systems is unlocked.
7. a data managing method is characterized in that, comprising:
Receive the data request information that data management system is sent, comprise the user data sign that client is sent in the said data request information;
Obtain first version information with said ID corresponding user data and said user data;
The first version information of said user data and said user data is sent to said data management system;
After said data management system locks said user data and when the current version information of said first version information and said user data is identical, receive and store the amended user data that said data management system writes.
8. data managing method according to claim 7 is characterized in that, also comprises:
Receive and store second version information of the amended user data that said data management system writes.
9. data managing method according to claim 7 is characterized in that, in said reception and store after the amended user data that said data management system writes, also comprises:
Send Indication message to said data management system, said Indication message is used to indicate said data management system to remove the locking to said amended user data.
10. a data management system is characterized in that, comprising:
The request of data sending module is used for sending data request information to Database Systems, comprises the user data sign that client is sent in the said data request information;
The data message receiver module is used to receive the user data of said Database Systems transmission and the first version information of said user data;
Data transmission blocks is used for said user data is sent to said client;
Locking module is used for behind the amended user data that receives and preserve said client submission, the said user data in the said Database Systems being locked;
Comparison module, whether be used for more said first version information identical with the current version information of the said user data of said Database Systems;
Writing module is used for when said first version information is identical with said current version information, said amended user data being write said Database Systems.
11. data management system according to claim 10 is characterized in that, also comprises:
The cancellation module when said first version information and said current version information are inequality, are cancelled that said amended user data is write said Database Systems, and is returned error message to client.
12. data management system according to claim 10 is characterized in that, also comprises:
The version information acquisition module is used for obtaining from said Database Systems the current version information of said user data.
13. data management system according to claim 10 is characterized in that, also comprises:
Version information is preserved module, the first version information that is used to preserve said user data.
14. data management system according to claim 10 is characterized in that, also comprises:
The version information generation module is used for when said first version information is identical with said current version information, generating second version information of said amended user data;
Then the said write module specifically is used for:
With the said user data update in the said Database Systems is said amended user data, is said second version information with said first version information updating.
15. data management system according to claim 10 is characterized in that, also comprises:
Separate lock module, be used for indication, the said amended user data in the said Database Systems is unlocked according to said Database Systems.
16. Database Systems comprise:
The request of data receiver module is used to receive the data request information that data management system is sent, and comprises the user data sign that client is sent in the said data request information;
The data message acquisition module is used to obtain the first version information with said ID corresponding user data and said user data;
The data message sending module is used for the first version information of said user data and said user data is sent to said data management system;
Data reception module; Be used for after said data management system locks said user data and when the current version information of said first version information and said user data is identical, receive and store the amended user data that said data management system writes.
17. Database Systems according to claim 16 is characterized in that, also comprise:
The version information memory module is used to receive and store second version information of the amended user data that said data management system writes.
18. Database Systems according to claim 16 is characterized in that, also comprise:
The indication sending module is used for sending Indication message to said data management system, and said Indication message is used to indicate said data management system to remove the locking to said amended user data.
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