CN104484428B - A kind of method, apparatus and system that data are synchronous - Google Patents
A kind of method, apparatus and system that data are synchronous Download PDFInfo
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- CN104484428B CN104484428B CN201410795831.2A CN201410795831A CN104484428B CN 104484428 B CN104484428 B CN 104484428B CN 201410795831 A CN201410795831 A CN 201410795831A CN 104484428 B CN104484428 B CN 104484428B
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000012217 deletion Methods 0.000 claims abstract description 45
- 230000037430 deletion Effects 0.000 claims abstract description 45
- 238000012790 confirmation Methods 0.000 claims abstract description 35
- 230000004048 modification Effects 0.000 claims abstract description 24
- 238000012986 modification Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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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
- G06F16/273—Asynchronous replication or reconciliation
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Abstract
The invention discloses a kind of synchronous methods of data to include:Selected the first data segment for needing to delete;It is preset value that the deletion mode field carried in first data segment, which is arranged,;First data segment is sent to goal systems, the goal systems is matched using first data segment and the second data segment identification, searches the second data segment for needing to delete, and second data segment is deleted;Receive the modification confirmation message of the goal systems feedback;First data segment is deleted;This method can be when carrying out data deletion, so that each system is still able to maintain data and synchronizes.
Description
Technical field
The present invention relates to technical field of data processing, more particularly to a kind of data synchronous method, apparatus and system.
Background technique
It in system integration application or needs to carry out in the synchronous multiple systems of data, when the data of a system occur
When variation, needs to notify another system update data, be consistent the data of two systems, i.e. data synchronization processing.With
The increase of the application of each integrated system, the data needs between system be consistent.But presently, there are when a source
After system carries out data delete operation, data will be not present in the database of source system, therefore cannot send these data
Corresponding delete processing is carried out to other systems, that is, goal systems.It will lead to what these should be deleted in goal systems in this way
Data there is also, and it is deleted in the system of source, cause goal systems and the inconsistent phenomenon of source system data.
Therefore, how when carrying out data deletion, so that each system is still able to maintain data and synchronizes, it is those skilled in the art
Member's technical issues that need to address.
Summary of the invention
The object of the present invention is to provide a kind of synchronous method of data, this method can when carrying out data deletion so that
It is synchronous that each system is still able to maintain data.
In order to solve the above technical problems, a kind of method that the present invention provides data synchronization includes:
Selected the first data segment for needing to delete;
It is preset value that the deletion mode field carried in first data segment, which is arranged,;
First data segment is sent to goal systems, the goal systems utilizes first data segment and the second data
Segment identification matches, and searches the second data segment for needing to delete, and second data segment is deleted;
Receive the modification confirmation message of the goal systems feedback;
First data segment is deleted.
Wherein, further include before the first data segment that the selected needs are deleted:
Mode field is deleted in the storage format of data segment in the system of modification source, addition, and provides the number for deleting field
According to type.
Wherein, the data type for deleting field is Boolean type.
Wherein, the deletion mode field carried in first data segment that is arranged includes for preset value:
Source system sets 1 for the value of the deletion mode field in first data segment.
Wherein, described to include to goal systems transmission first data segment:
It responds user and carries out the synchronous operation of data;
The value of the deletion mode field of data segment is inquired in the database;
It obtains the data segment that described value is 1 and is all used as the first data segment, and send first data segment to goal systems.
The present invention provides a kind of synchronous device of data:
Chosen module, the first data segment deleted for selected needs;
Setup module is preset value for the deletion mode field carried in first data segment to be arranged;
Sending module, for sending first data segment to goal systems, the goal systems utilizes first number
Match according to section and the second data segment identification, searches the second data segment for needing to delete, and second data segment is deleted;
First receiving module, for receiving the modification confirmation message of the goal systems feedback;
Removing module, for deleting first data segment.
The present invention provides a kind of synchronous method of data:
The first data segment for deleting of needs that reception source system is sent carries deletion mode field in first data segment
Value be preset value;
Search the second data segment to match with the mark of first data segment;
The content for deleting second data segment modifies confirmation message to the source system feedback, for triggering the source
The operation that system deletes first data segment.
The present invention provides a kind of synchronous device of data:
Second receiving module, the first data segment that the needs for receiving the transmission of source system are deleted, first data segment
The middle value for carrying deletion mode field is preset value;
Searching module, for searching the second data segment to match with the mark of first data segment;
Feedback module is modified confirmation message to the source system feedback, is used for deleting the content of second data segment
In the operation that the triggering source system deletes first data segment.
Wherein, the feedback module includes:
Unit is deleted, for deleting the content of second data segment;
Feedback unit, for modifying confirmation message to the source system feedback, for triggering the source system for described the
The operation that one data segment is deleted.
The present invention provides a kind of synchronous system of data:
Source system, the first data segment deleted for selected needs;The deletion shape carried in first data segment is set
State field is preset value;Send first data segment to goal systems, the goal systems using first data segment and
Second data segment identification matches, and searches the second data segment for needing to delete, and second data segment is deleted;Described in reception
The modification confirmation message of goal systems feedback;First data segment is deleted;
Goal systems is taken in first data segment for receiving the first data segment for deleting of needs of source system transmission
It is preset value with the value for deleting mode field;Search the second data segment to match with the mark of first data segment;It deletes
The content of second data segment modifies confirmation message to the source system feedback, for triggering the source system for described the
The operation that one data segment is deleted.
Based on the above-mentioned technical proposal, the synchronous method of a kind of data provided by the present invention, selected need to delete first
Data segment;It is preset value that the deletion mode field carried in first data segment, which is arranged,;Described first is sent to goal systems
Data segment, the goal systems are matched using first data segment and the second data segment identification, search need to delete the
Two data segments, and second data segment is deleted;Receive the modification confirmation message of the goal systems feedback;By described first
Data segment is deleted;By the difference of the value of the deletion mode field carried in data segment, indicate whether the data field is needs
The data segment deleted, when labeled as the data segment deleted, goal systems obtains the number deleted
According to section, and the data segment for needing to delete in goal systems is found according to data segment identification, and be deleted, source system is learning mesh
The data segment in the system is deleted again after the information that mark system deletes the data segment;It then ensure that the data of the deletion
Section is all deleted in each synchronization system, and it is synchronous to complete data.Therefore this method can be when carrying out data deletion, so that each
It is synchronous that system is still able to maintain data.
Detailed description of the invention
It, below will be to embodiment or existing for the clearer technical solution for illustrating the embodiment of the present invention or the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow chart of the synchronous method of data provided in an embodiment of the present invention;
Fig. 2 is the storage format schematic diagram of data segment provided in an embodiment of the present invention;
Fig. 3 is the flow chart of the method provided in an embodiment of the present invention that first data segment is sent to goal systems;
Fig. 4 is the structural block diagram of the synchronous device of data provided in an embodiment of the present invention;
Fig. 5 is the flow chart of the synchronous method of another data provided in an embodiment of the present invention;
Fig. 6 is the structural block diagram of the synchronous device of another data provided in an embodiment of the present invention;
Fig. 7 is the structural block diagram of feedback module provided in an embodiment of the present invention;
Fig. 8 is the structural block diagram of the synchronous system of data provided in an embodiment of the present invention.
Specific embodiment
The object of the present invention is to provide a kind of synchronous method of data, this method can when carrying out data deletion so that
It is synchronous that each system is still able to maintain data.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Source system hereinafter refers to that data segment, which occurs, to be changed, and the system for initiating data simultaneously operating is all to have the function
Energy is exactly source system;Goal systems refers to that response simultaneously operating carries out data simultaneously operating, and the system for modifying data segment is all
With this can be exactly goal systems.Source system and goal systems also can be opposite.
Referring to FIG. 1, Fig. 1 is the flow chart of the synchronous method of data provided in an embodiment of the present invention;This method can wrap
It includes:
Step s100, selected the first data segment for needing to delete;
Wherein, source system can remove the selected data segment for needing to delete according to the response of user, can also be according to system
Operational process determines the data segment deleted.Here the first data segment is to be referred to as, that is, is needed in source system and mesh
Mark system system needs while deleting to complete the synchronous data segment of data i.e. referred to as the first data segment.
Step s110, it is preset value that the deletion mode field carried in first data segment, which is arranged,;
Wherein, many fields be may include in the first data segment, wherein indicating whether the data segment needs to delete there are one
The field removed can be referred to as to delete mode field here, and preset value here indicates that the data segment is deleted
Value, if such as the field data class signal be Boolean type if, so that it may in systems provide 1 for indicate the data segment need
It is deleted, 0 is to indicate that the data segment does not need to be deleted;Vice versa.
Step s120, first data segment is sent to goal systems, the goal systems utilizes first data segment
Match with the second data segment identification, searches the second data segment for needing to delete, and second data segment is deleted;
Wherein, after the deletion mode field in the first data segment being set, first data are sent to goal systems
Section.
Goal systems, can be according to the mark of first data segment within the system after obtaining first data segment
It finds the second data segment for matching of mark namely the two data segments is the same data segment, carried out by data segment identification
Identification.The data segment is subjected to physics deletion after goal systems finds the second data segment.
Step s130, the modification confirmation message of the goal systems feedback is received;
Wherein, when source, system receives the modification confirmation message that the goal systems is fed back;Namely confirmation has deleted the
The message of two data segments.
Step s140, first data segment is deleted.
Wherein, source system deletes first data segment.
Based on the above-mentioned technical proposal, the synchronous method of a kind of data provided by the present invention, passes through what is carried in data segment
The difference for deleting the value of mode field, indicates whether the data field is the data segment deleted, when labeled as needs
When the data segment deleted, goal systems obtains the data segment deleted, and finds target according to data segment identification
The data segment for needing to delete in system, and be deleted, source system is in the information for learning that goal systems deletes the data segment
The data segment in the system is deleted again afterwards;It then ensure that the data segment of the deletion is all deleted in each synchronization system, it is complete
It is synchronous at data.Therefore this method can be when carrying out data deletion, so that each system is still able to maintain data and synchronizes.
Optionally, referring to FIG. 2, Fig. 2 is the storage format schematic diagram of data segment provided in an embodiment of the present invention;The choosing
Need calmly further include before the first data segment deleted:
Mode field is deleted in the storage format of data segment in the system of modification source, addition, and provides the number for deleting field
According to type.
Wherein, each data segment can be made to have by the modification of data memory format and deletes mode field.There is provided should
The value of deletion state determines whether the data segment needs to delete.
Optionally, the data type for deleting field is Boolean type.
Wherein, whether " deletion state " field, field type Boolean type can have been deleted in logic with index evidence;Such as
Field value " 0 " expression is not deleted, and field value " 1 " expression has been deleted.
Optionally, the deletion mode field carried in first data segment that is arranged includes for preset value:
Source system sets 1 for the value of the deletion mode field in first data segment.
Optionally, referring to figure 3., Fig. 3 is provided in an embodiment of the present invention to goal systems transmission first data segment
Method flow chart;This method may include:
Step s300, response user carries out the synchronous operation of data;
Wherein, which can be user and carries out the operation that selection keeps its progress data synchronous, be also possible to user's setting
The system synchronizes the time of operation, is that the wide in range system that pointed to needs to carry out the data synchronous time here.
Step s310, the value of the deletion mode field of data segment is inquired in the database;
Wherein, in the database of source system the deletion mode field of all data segments value.It can be in data query
Middle addition " deleting state " field value is the filter condition of " 1 ", only obtains the data segment for needing to delete.
Step s320, it obtains the data segment that described value is 1 and is all used as the first data segment, and send described the to goal systems
One data segment.
The benefit operated in this way is, can anti-locking system to carry out data always synchronous because carrying out always, data are synchronous to be needed
Many times are wasted, many resources are occupied.Data can be carried out a time point in this way to synchronize, will not system be occurred
Frequently access, frequent synchronization removal.
Referring to FIG. 4, Fig. 4 is the structural block diagram of the synchronous device of data provided in an embodiment of the present invention;The device can be with
Including:
Chosen module 100, the first data segment deleted for selected needs;
Setup module 200 is preset value for the deletion mode field carried in first data segment to be arranged;
Sending module 300, for sending first data segment to goal systems, the goal systems utilizes described first
Data segment and the second data segment identification match, and search the second data segment for needing to delete, and second data segment is deleted;
First receiving module 400, for receiving the modification confirmation message of the goal systems feedback;
Removing module 500, for deleting first data segment.
The device is to have required for the system of source, and by these module sources, it is synchronous can to complete data for system.
Referring to FIG. 5, Fig. 5 is the flow chart of the synchronous method of another data provided in an embodiment of the present invention;This method can
To include:
Step s500, the first data segment that the needs that source system is sent are deleted is received, carries and deletes in first data segment
Except the value of mode field is preset value;
Step s510, the second data segment to match with the mark of first data segment is searched;
Step s520, the content for deleting second data segment modifies confirmation message to the source system feedback, for touching
The operation sent out source system described and delete first data segment.
Wherein, goal systems carries out the deletion of corresponding data segment, and the confirmation message after the completion of deletion is sent to
Source system.Trigger source system carries out subsequent deletion work.
Referring to FIG. 6, Fig. 6 is the structural block diagram of the synchronous device of another data provided in an embodiment of the present invention;The device
May include:
Second receiving module 600, the first data segment that the needs for receiving the transmission of source system are deleted, first data
Carrying in section and deleting the value of mode field is preset value;
Searching module 700, for searching the second data segment to match with the mark of first data segment;
Feedback module 800 disappears for deleting the content of second data segment to source system feedback modification confirmation
Breath, the operation for deleting first data segment for triggering the source system.
Optionally, referring to FIG. 7, Fig. 7 is the structural block diagram of feedback module provided in an embodiment of the present invention;The module can be with
Including:
Unit 810 is deleted, for deleting the content of second data segment;
Feedback unit 820 will be described for triggering the source system for modifying confirmation message to the source system feedback
The operation that first data segment is deleted.
Referring to FIG. 8, Fig. 8 is the structural block diagram of the synchronous system of data provided in an embodiment of the present invention;
Source system 900, the first data segment deleted for selected needs;The deletion carried in first data segment is set
Mode field is preset value;First data segment is sent to goal systems, the goal systems utilizes first data segment
Match with the second data segment identification, searches the second data segment for needing to delete, and second data segment is deleted;Receive institute
State the modification confirmation message of goal systems feedback;First data segment is deleted;
Goal systems 1000, the first data segment that the needs for receiving the transmission of source system are deleted, first data segment
The middle value for carrying deletion mode field is preset value;Search the second data segment to match with the mark of first data segment;
The content for deleting second data segment modifies confirmation message to the source system feedback, for triggering the source system for institute
State the operation of the first data segment deletion.
Based on the above-mentioned technical proposal, the synchronous method of a kind of data provided by the present invention, passes through what is carried in data segment
The difference for deleting the value of mode field, indicates whether the data field is the data segment deleted, when labeled as needs
When the data segment deleted, goal systems obtains the data segment deleted, and finds target according to data segment identification
The data segment for needing to delete in system, and be deleted, source system is in the information for learning that goal systems deletes the data segment
The data segment in the system is deleted again afterwards;It then ensure that the data segment of the deletion is all deleted in each synchronization system, it is complete
It is synchronous at data.And can be to avoid frequent operation the problem of, it saves the time, a high data synchronization efficiency.Therefore this method
It can be when carrying out data deletion, so that each system is still able to maintain data and synchronizes.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The synchronous method, apparatus of data provided by the present invention and system are described in detail above.It answers herein
Source reason of the invention and embodiment are expounded with specific case, the explanation of above example is only intended to help to manage
Solve method and its core concept of the invention.It should be pointed out that for those skilled in the art, not departing from
, can be with several improvements and modifications are made to the present invention under the premise of source reason of the present invention, these improvement and modification also fall into this hair
In bright scope of protection of the claims.
Claims (10)
1. a kind of synchronous method of data, which is characterized in that including:
Selected the first data segment for needing to delete;
It is preset value that the deletion mode field carried in first data segment, which is arranged,;
First data segment is sent to goal systems, the goal systems utilizes first data segment and the second data segment mark
Sensible matching searches the second data segment for needing to delete, and second data segment is deleted;
Receive the modification confirmation message of the goal systems feedback;Wherein, the modification confirmation message has deleted institute for confirmation
State the message of the second data segment;
First data segment is deleted.
2. the synchronous method of data as described in claim 1, which is characterized in that selected first data segment for needing to delete
Further include before:
Mode field is deleted in the storage format of data segment in the system of modification source, addition, and provides the data class for deleting field
Type.
3. the synchronous method of data as claimed in claim 2, which is characterized in that the data type for deleting field is boolean
Type.
4. the synchronous method of data as described in claim 1, which is characterized in that carried in setting first data segment
Deletion mode field include for preset value:
Source system sets 1 for the value of the deletion mode field in first data segment.
5. the synchronous method of data as described in claim 1, which is characterized in that described to send first number to goal systems
Include according to section:
It responds user and carries out the synchronous operation of data;
The value of the deletion mode field of data segment is inquired in the database;
It obtains the data segment that described value is 1 and is all used as the first data segment, and send first data segment to goal systems.
6. a kind of synchronous device of data, which is characterized in that including:
Chosen module, the first data segment deleted for selected needs;
Setup module is preset value for the deletion mode field carried in first data segment to be arranged;
Sending module, for sending first data segment to goal systems, the goal systems utilizes first data segment
Match with the second data segment identification, searches the second data segment for needing to delete, and second data segment is deleted;
First receiving module, for receiving the modification confirmation message of the goal systems feedback;Wherein, the modification confirmation message
To confirm the message for having deleted second data segment;
Removing module, for deleting first data segment.
7. a kind of synchronous method of data, which is characterized in that including:
The first data segment for deleting of needs that reception source system is sent carries the value of deletion mode field in first data segment
For preset value;
Search the second data segment to match with the mark of first data segment;
The content for deleting second data segment modifies confirmation message to the source system feedback, for triggering the source system
The operation that first data segment is deleted;Wherein, the modification confirmation message is that second data segment has been deleted in confirmation
Message.
8. a kind of synchronous device of data, which is characterized in that including:
Second receiving module is taken in first data segment for receiving the first data segment for deleting of needs of source system transmission
It is preset value with the value for deleting mode field;
Searching module, for searching the second data segment to match with the mark of first data segment;
Feedback module modifies confirmation message to the source system feedback, for touching for deleting the content of second data segment
The operation sent out source system described and delete first data segment;Wherein, the modification confirmation message has deleted institute for confirmation
State the message of the second data segment.
9. the synchronous device of data as claimed in claim 8, which is characterized in that the feedback module includes:
Unit is deleted, for deleting the content of second data segment;
Feedback unit, for modifying confirmation message to the source system feedback, for triggering the source system for first number
The operation deleted according to section.
10. a kind of synchronous system of data, which is characterized in that including:
Source system, the first data segment deleted for selected needs;The deletion status word carried in first data segment is set
Section is preset value;First data segment is sent to goal systems, the goal systems utilizes first data segment and second
Data segment identification matches, and searches the second data segment for needing to delete, and second data segment is deleted;Receive the target
The modification confirmation message of system feedback;First data segment is deleted;Wherein, the modification confirmation message is that confirmation has been deleted
Except the message of second data segment;
Goal systems is carried in first data segment and is deleted for receiving the first data segment for deleting of needs of source system transmission
Except the value of mode field is preset value;Search the second data segment to match with the mark of first data segment;Described in deletion
The content of second data segment modifies confirmation message to the source system feedback, for triggering the source system for first number
The operation deleted according to section.
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CN101075864A (en) * | 2007-07-16 | 2007-11-21 | 腾讯科技(深圳)有限公司 | Method for synchronizing and processing data, customer terminal equipment and servo |
CN103561095A (en) * | 2013-11-04 | 2014-02-05 | 金蝶软件(中国)有限公司 | Data synchronous method and node and storage service cluster |
CN103701913A (en) * | 2013-12-30 | 2014-04-02 | 优视科技有限公司 | Data synchronization method and device |
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CN101562516A (en) * | 2008-04-15 | 2009-10-21 | 华为技术有限公司 | Data synchronous method, client, server and system |
CN101707785B (en) * | 2009-10-31 | 2013-01-09 | 青岛海信移动通信技术股份有限公司 | Data synchronization method for mobile communication terminal |
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CN101075864A (en) * | 2007-07-16 | 2007-11-21 | 腾讯科技(深圳)有限公司 | Method for synchronizing and processing data, customer terminal equipment and servo |
CN103561095A (en) * | 2013-11-04 | 2014-02-05 | 金蝶软件(中国)有限公司 | Data synchronous method and node and storage service cluster |
CN103701913A (en) * | 2013-12-30 | 2014-04-02 | 优视科技有限公司 | Data synchronization method and device |
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