CN101499069A - Internal memory database file updating method and apparatus - Google Patents
Internal memory database file updating method and apparatus Download PDFInfo
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Abstract
The invention provides a method for updating a memory database file which includes steps as follows: comparing the update-waited memory database file structure with a new edition database file structure for obtaining a difference information, confirming the update-waited database table and need not update database table in the update-waited memory database file according with the difference information; updating the update-waited database table according with the difference information, and updating the update-waited memory database file to a new edition memory database file according with updated database table and need not update database table. The invention also provides an updating device for the memory database file. The method and device provided by the invention can increase updating efficiency of the memory database table edition.
Description
Technical field
The present invention relates to communication field, relate in particular to a kind of update method and updating device of internal memory database file.
Background technology
In recent years, the main application of telecommunications and financial field has become data-intensive application, and Database Systems have been played the part of important role therein, and data are cores of all systems, especially for communication system, the visit of data, storage and upgrading seem even more important.
In communication system, require very high to real-time, traditional far can not satisfy the requirement of above-mentioned application high-performance, real-time data access based on the relational database system of disk, memory database system then can satisfy the real time data regulatory requirement of various application systems well.So-called memory database is meant and sets up the internal storage data table in Installed System Memory, and these table data is set up index and formation realize management to data, and the access interfaces such as inquiry, increase, deletion and modification of data are provided to application layer.
Yet, memory database generally all is producer oneself exploitation, do not support standard database interface standard and standard queries statement (Structured Query Language, SQL), less for the means that common upgrading scenes such as the database table additions and deletions in the edition upgrading, the additions and deletions of literary name section, literary name segment attribute modification provide, method relatively more commonly used now has two kinds:
(1) fully manually do data, this method is for changing under the little situation, as only the modification to respective fields is more effective between version.But often revise during the upgrading of large paper edition very greatly, this method is just powerless;
(2) at the special-purpose ROMPaq of particular version exploitation, this method is applicable to the situation that the modification scope is bigger, need transfer special manpower and carry out the exploitation of ROMPaq, and the upgrading tool of exploitation can only be applicable to the upgrading between two specific versions, edition upgrading next time needs to develop in addition upgrading tool again, therefore will expend very big manpower and materials.
Yet the problem of, upgrading tool versatility difference big at workload in the internal memory database file renewal process in the correlation technique does not propose effective solution at present as yet.
Summary of the invention
Consider the problems referred to above and make the present invention, for this reason, fundamental purpose of the present invention is to provide a kind of update method and updating device of internal memory database file, workload in the memory database renewal process is big to solve in the correlation technique, the problem of upgrading tool versatility difference, does not propose effective solution at present as yet.
The invention provides a kind of update method of internal memory database file.
This method comprises: the structure of internal memory database file to be updated and the structure of redaction internal memory database file are compared, obtain different information, determine database table to be updated in the internal memory database file to be updated and needs data updated storehouse table not according to different information; Treating data updated storehouse table according to different information upgrades; And internal memory database file to be updated is updated to the redaction internal memory database file according to database table after upgrading and needs data updated storehouse table not.
Wherein, different information comprises the field change information in database table to be updated and the database table to be updated, and wherein, the field change information comprises: the title of the field of variation, variation pattern.Variation pattern comprises: the source of the field that deletion, type change, default value change, increase and increased.
The present invention also provides a kind of updating device of internal memory database file.
This device comprises: comparison module, be used for the structure of internal memory database file to be updated structure with the internal memory database file of predetermined redaction is compared, obtain different information, and obtain database table to be updated in the internal memory database file to be updated and needs data updated storehouse table not according to different information; Update execution module is used for treating data updated storehouse table according to different information and upgrades; And the main memory database table composite module, be used for internal memory database file to be updated being updated to the redaction internal memory database file according to database table after upgrading and needs data updated storehouse table not.
Wherein, update execution module comprises writes module and execution module, wherein, writes module and is used for different information is written as the order that execution module can be carried out; Execution module is used for fill order, the database table after obtaining upgrading.
Wherein, writing module adopts the standard queries statement to write order.Execution module is fill order in specified database.Wherein, specified database is a commercial data base, and commercial data base comprises MS ACCESS.
Different information comprises the field change information in database table to be updated and the database table to be updated, and wherein, the field change information comprises: the title of the field of variation, variation pattern.Variation pattern comprises: deletion field, field type change, the fields default value changes, increase field and the source of the field that increased.
By technique scheme of the present invention, can effectively improve the main memory database table version updating efficiency, and have favorable expansibility and versatility, be applicable to the upgrading between any version; And realize simple, easy to operate.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the process flow diagram according to the update method of the internal memory database file of the inventive method embodiment;
Fig. 2 is the synoptic diagram of analyzing according to the database table structure of the embodiment of the invention;
Fig. 3 is the process flow diagram according to internal memory database file upgrading in the method for the inventive method embodiment; And
Fig. 4 is the block diagram according to the updating device of the internal memory database file of apparatus of the present invention embodiment.
Embodiment
Below with reference to accompanying drawing, describe the specific embodiment of the present invention in detail.
Method embodiment
A kind of update method of internal memory database file is provided in the present embodiment.
As shown in Figure 1, update method according to the internal memory database file of present embodiment comprises: step S102, the structure of internal memory database file to be updated and the structure of redaction internal memory database file are compared, obtain different information, determine database table to be updated in the internal memory database file to be updated and needs data updated storehouse table not according to different information; Step S104 treats data updated storehouse table according to different information and upgrades; Step S106 is updated to the redaction internal memory database file according to database table after upgrading and needs data updated storehouse table not with internal memory database file to be updated.
Wherein, different information comprises the field change information in database table to be updated and the database table to be updated, and wherein, the field change information comprises: the title of the field of variation, variation pattern.Variation pattern comprises: the source of the field that deletion, type change, default value change, increase and increased.
Fig. 2 analyzes synoptic diagram for data list structure.As shown in Figure 2, the memory database list structure of input new and old edition, by comparative analysis, can draw above-mentioned different information, that is, variation has taken place in which table, (this field is increase or deletion to the concrete field information that changes, perhaps change has taken place in field type, and where the field of increase derives from, and default value etc.).Determine database table to be updated in the internal memory database file to be updated simultaneously and do not needed data updated storehouse table.
Upgrade to example with 3G mobile communcations system wireless controller main memory database table data, suppose that the R_NODEB list structure of legacy version (to be updated) is as shown in table 1:
| Sequence number | Field name | Data type | The value explanation | Default value | The field implication |
| 1 | NodeBNo | WORD | 0～65535 | - | NodeB numbers (NodeB No) |
| 2 | CMPMod | WORD | 1，3～127 | - | CMP module No. (CMP Module No) |
| 3 | AniId | BYTE | 1～200 | - | This NodeB office direction number |
| 4 | NBCfgForm | BYTE | [0，1] | 1 | The collocation form of NodeB |
| 5 | CRCInd | BYTE | [0，1] | 0 | Whether be with CRC |
| 6 | FPMod | BYTE | [0，1] | 0 | The FP pattern |
Table 1
The R_NODEB list structure of redaction is as shown in table 2:
| Sequence number | Field name | Data type | The value explanation | Default value | The field implication |
| 1 | NodeBNo | WORD | 0～65535 | - | NodeB numbers (NodeB No) |
| 2 | AniId | WORD | 1～1500 | - | This NodeB office direction number |
| 3 | NBCfgForm | BYTE | [0，1] | 0 | The collocation form of NodeB |
| 4 | CRCInd | BYTE | [0，1] | 0 | Whether be with CRC |
| 5 | FPMod | BYTE | [0，1] | 0 | The FP pattern |
| 6 | ReleaseInfo | BYTE | [0，1，2] | 0 | Node B version |
Table 2
By comparative analysis draws following result to the new and old edition list structure, that is, obtain different information, as shown in table 3:
| The change field | Statement on changes |
| CMPMod | Deletion |
| AniId | Field type changes WORD into by BYTE |
| NBCfgForm | Default value changes 0 into by 1 |
| ReleaseInfo | Increase field, default value is 0 |
Table 3
Just can write the upgrade script of R_NODEB being shown data by above analytical structure, script adopts (SOL) language.The list structure analytic process can be finished by authoring tool automatically.
As shown in Figure 3, when in the middle of practical application, internal memory database file being upgraded, specifically can may further comprise the steps:
Step S302, with the data importing of version to be upgraded in database, MSACCESS database for example;
Step S304, the change list list structure of redaction is imported in the database, it should be noted that this moment, the change list that structure analysis is come out for previous table, need name into interim table name, if variation has taken place R_NODEB table list structure, need temporary table called after _ R_NODEB, and list structure is the list structure of redaction;
Step S306 carries out the data upgrade script, the upgrade script of writing after the his-and-hers watches structure analysis of front is written into database carries out, and finishes the escalation process of data;
Step S308 after the execution of step S306, derives generation memory table file with data, and the data of redaction are the set of unconverted table+change list.The data of this two classes table are all derived, press the internal storage data form and generate data file;
So far, the upgrading of main memory database table data finishes.
Device embodiment
A kind of updating device of internal memory database file is provided in the present embodiment.
As shown in Figure 4, comprise: comparison module 402, be used for the structure of internal memory database file to be updated structure with the internal memory database file of predetermined redaction is compared, obtain different information, and obtain database table to be updated in the internal memory database file to be updated and needs data updated storehouse table not according to different information; Update execution module 404 is used for treating data updated storehouse table according to different information and upgrades; And main memory database table composite module 406, be used for internal memory database file to be updated being updated to the redaction internal memory database file according to database table after upgrading and needs data updated storehouse table not.
Update execution module comprises writes module 4042 and execution module 4044, wherein, writes module and is used for different information is written as the order that execution module can be carried out; Execution module is used for fill order, the database table after obtaining upgrading.
Wherein, writing module 4042 adopts the standard queries statement to write order.Execution module 4044 fill order in specified database.Wherein, specified database can be commercial data base, for example, can be MS ACCESS.
Different information comprises the field change information in database table to be updated and the database table to be updated, and wherein, the field change information comprises: the title of the field of variation, variation pattern.Variation pattern comprises: deletion field, field type change, the fields default value changes, increase field and the source of the field that increased.
In sum,, can effectively improve the main memory database table version updating efficiency, and have favorable expansibility and versatility, be applicable to the upgrading between any version by means of technical scheme of the present invention; And realize simple, easy to operate.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the update method of an internal memory database file is characterized in that, comprising:
The structure of internal memory database file to be updated and the structure of redaction internal memory database file are compared, obtain different information, determine database table to be updated in the described internal memory database file to be updated and needs data updated storehouse table not according to described different information;
According to described different information described database table to be updated is upgraded; And
According to database table after upgrading and described not needs data updated storehouse table described internal memory database file to be updated is updated to described redaction internal memory database file.
2. method according to claim 1, it is characterized in that described different information comprises the field change information in database table to be updated and the described database table to be updated, wherein, described field change information comprises: the title of the field of variation, variation pattern.
3. method according to claim 2 is characterized in that, described variation pattern comprises: the source of the field that deletion, type change, default value change, increase and increased.
4. the updating device of an internal memory database file is characterized in that, comprising:
Comparison module, be used for the structure of internal memory database file to be updated structure with the internal memory database file of predetermined redaction is compared, obtain different information, and obtain database table to be updated in the described described internal memory database file to be updated and needs data updated storehouse table not according to described different information;
Update execution module is used for according to described different information described database table to be updated being upgraded; And
The main memory database table composite module is used for according to described database table after upgrading and described not needs data updated storehouse table described internal memory database file to be updated being updated to described redaction internal memory database file.
5. device according to claim 4 is characterized in that, described update execution module comprises writes module and execution module, wherein,
The described module of writing is used for described different information is written as the order that described execution module can be carried out;
Described execution module is used to carry out described order, the described database table after obtaining upgrading.
6. device according to claim 5 is characterized in that, the described module of writing adopts the standard queries statement to write described order.
7. device according to claim 5 is characterized in that, described execution module is carried out described order in specified database.
8. device according to claim 7 is characterized in that, described specified database is a commercial data base, and described commercial data base comprises MS ACCESS.
9. device according to claim 4, it is characterized in that described different information comprises the field change information in database table to be updated and the described database table to be updated, wherein, described field change information comprises: the title of the field of variation, variation pattern.
10. device according to claim 9 is characterized in that, described variation pattern comprises: deletion field, field type change, the fields default value changes, increase field and the source of the field that increased.
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| CN109189783B (en) * | 2018-08-03 | 2023-10-03 | 北京涛思数据科技有限公司 | Time sequence database table structure change processing method |
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