CN101105813A - Data base extension method and device - Google Patents
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Abstract
The invention discloses a database expansion method and a device for solving the problems of high maintenance workload, high maintenance cost, and system inflexibility caused by the modification of source code to expand application functions in current database application systems. The method includes: establishing expansion datasheet, the expansion datasheet is used for recording structure description of expanded data; establishing user interactivity interface, through which users edit expansion datasheet; through the interface, the expansion datasheet receives the structural description of expansion data arranged by users; establishing new datasheet in the database according to structural description of the expansion data; receiving expansion data received by users and store them in the new datasheet to complete the expansion of data in the database. Through the method, users can expand or modify database structure in the system dynamically according to changes of application function, thus enhancing the flexibility of the system and lowering the maintenance workload of the system.
Description
Technical field
The present invention relates to database technology, particularly relate to a kind of data base extension method and device.
Background technology
In service application, a lot of database application systems all can not on-the-fly modify database according to the variation of application function, i.e. the not dynamic expansion or the modification of supporting database structure.This be because the system development personnel when design database, be to come the design data library structure according to user's (system user) application demand, application system is after exploitation is finished and come into operation, the user just can not carry out the modification of database structure easily, and promptly the database application system function that can realize is fixed.If the user need increase new application function or revise former function, then need increase or revise source code by corresponding developer, and to its compile, a series of processes such as test, could satisfy user's demand, and user oneself is the structure that can't change Database Systems.
For example, in financial application, need to carry out the accounting of project, as accounting disbursement, accounting corporate income, or the like.In different Corporate Finance management, Perform Project Financial Aanalysis often is not changeless, but according to different application scenarioss different Perform Project Financial Aanalysis is set.But the database application system that is used for financial management generally can only provide several more general default Perform Project Financial Aanalysis, therefore can not satisfy requirements of different users.
Present solution is user notification system development or maintainer, and the source code that enters system by them increases or operation such as modification, the change of fulfillment database structure.The shortcoming of this mode is to be realized by the professional, has increased user and exploitation side maintenance workload and the maintenance cost to database application system, and the dirigibility of system is very low, can not satisfy user's multiple demands.
Summary of the invention
Technical matters to be solved by this invention provides a kind of data base extension method and device, comes the expanded application function to solve present database application system by revising source code, brings that maintenance workload is big, maintenance cost is high, the inflexible problem of system.
For solving the problems of the technologies described above,, the invention discloses following technical scheme according to specific embodiment provided by the invention:
A kind of data base extension method comprises:
Create the growth data table, this growth data table is used to write down the structrual description of growth data;
Create the user interactions interface, the user edits the growth data table by this interface;
By described interface, described growth data table receives the structrual description of the growth data of user's setting;
According to the structrual description of described growth data, in database, set up new tables of data;
Receive the growth data of user's input, and be kept in the described new tables of data, finish the expansion of database data.
Wherein, set up new tables of data according to following steps: the structrual description of described growth data comprises the title and the attribute of growth data, and described growth data table is divided into growth data admin table and growth data attribute list; The title and the corresponding physical table name of growth data are kept at the growth data admin table, the attribute and the corresponding physical field name of growth data is kept at the growth data attribute list; In database, make up the physics table of appointment in the growth data admin table, and in this physics table, increase the physics field of appointment in the growth data attribute list.
Wherein, the structrual description of described growth data also comprises the sub-attribute of growth data attribute, and database root is provided with field in the physics table according to described sub-attribute.
Described method also comprises: by described growth data admin table is associated with the growth data attribute list, obtain the title and the attribute of growth data, and be shown to the user for browsing or edit growth data.
A kind of data base extension method comprises:
Create the growth data table, this growth data table is used to write down the structrual description of growth data;
Create the user interactions interface, the user edits the growth data table by this interface;
By described interface, described growth data table receives the structrual description of the growth data of user's setting;
According to the structrual description of described growth data, search former tables of data corresponding in the database, and the former data list structure that finds is deleted or retouching operation.
A kind of database expanding unit comprises:
The growth data administrative unit is used to create the growth data table, and this growth data table is used to write down the structrual description of growth data; Receive the structrual description of the growth data of user's setting, and add in the growth data table;
Database management unit is used for the structrual description according to described growth data table growth data, sets up new tables of data in database; And receive the growth data that the user imports, be saved in the described new tables of data;
The interface operation unit is used to provide the interactive interface of user and database, and the user edits the growth data table by this interface.
Wherein, described growth data administrative unit also can be provided with according to the user structrual description in the growth data table is deleted or retouching operation; Accordingly, described database management unit also can be deleted or retouching operation former data list structure, and the growth data in the tables of data is increased, deletes, changes operation.
Wherein, the structrual description of described growth data comprises the title and the attribute of growth data, described growth data administrative unit is divided into growth data admin table and growth data attribute list with the growth data table, wherein the growth data admin table is used to preserve the title and the corresponding physical table name of growth data, and the growth data attribute list is used to preserve the attribute and the corresponding physical field name of growth data.
Wherein, described database management unit makes up the physics table of appointment according to the growth data admin table when setting up tables of data, and increases the physics field of appointment in this physics table according to the growth data attribute list.
Wherein, described growth data attribute list can be a plurality of.
Wherein, described interface operation unit obtains title, attribute and the growth data of growth data by the growth data admin table is associated with the growth data attribute list, and is shown to the user for browsing or edit growth data.
According to specific embodiment provided by the invention, the invention discloses following technique effect:
The present invention has realized on-the-fly modifying of database application system, at first by the developer when the design database application system, establishment growth data table comes the tables of data in the dynamic management data storehouse, and establishment user (being the user of system) directly visits the operation interface (being interface) of this growth data table, the user can be as the tables of data in the accessing database by this operation interface, dynamically in the growth data table, increase, deletion or revise table record, and each bar table record is the structrual description (being the title, field etc. of tables of data) of growth data.When the user when the growth data table adds a record, system can be according to structrual description newly-built tables of data in database of this record, the user imports growth data in this tables of data, promptly finish the dynamic expansion of database structure; Accordingly, the user also can come tables of data in the delete database by operation growth data table, perhaps revises data list structure (as revising field).
By said method, the user can be according to the variation of application function, dynamic expansion or modification database structure in system, and do not need the system development personnel to finish by revising source code, and increased the dirigibility of system, significantly reduced the maintenance of system.And system also provides unified interface for users operation, is convenient to user management.
Description of drawings
Fig. 1 is the flow chart of steps of a kind of data base extension method embodiment of the present invention;
Fig. 2 is the structured flowchart of a kind of database expanding unit embodiment of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
For solving the problem that database structure in the operation system can not on-the-fly modify according to application function, the normal relevant database that uses provided a kind of data base extension method during the present invention was application-oriented, will illustrate below.
Be example still with the Perform Project Financial Aanalysis in the financial system, suppose to have individual subject to be " accounts payable ", the Perform Project Financial Aanalysis that certain service unit need carry out the accounts payable operation has supplier, sub-factory etc., and general financial system has only been preset Perform Project Financial Aanalysis of supplier, has promptly only set up corresponding supplier's tables of data.Like this, just need add a Perform Project Financial Aanalysis again, promptly increase the tables of data of corresponding sub-factory in database, the tables of data of the sub-factory of described correspondence promptly is called growth data.
Prior art is to revise source code by the developer to realize, and the invention provides a kind of user (being the user of system) but the method for direct control.Realization of the present invention is based on following thought: for original tables of data in the database application system, show as supplier, be that the developer creates according to application demand when design database, the structure of table (as comprising which field etc.) is fixing, and the user can't revise; But the record (i.e. in the table concrete data of corresponding each field store) of user in can his-and-hers watches directly edited, as increasing, delete or revise an operation such as record.The present invention utilizes the directly principle of editing data table of user, when the design database application system, set up the growth data table, every record in the table is the description to the data list structure in the database, system is considered as operation to the data library structure to the operation of growth data table, as increase, tables of data in the delete database or revise list structure etc.Like this, the user just can on-the-fly modify database by this growth data table of editor.
With reference to Fig. 1, be the flow chart of steps of described a kind of data base extension method embodiment.
Step 11, the developer creates the growth data table when the design database application system, be used for tables of data in the management database.This growth data table record the structrual description of growth data, i.e. the description of the data list structure in the database, every corresponding tables of data of record.
Wherein, the structrual description of described growth data mainly comprises the information such as title, attribute of growth data.In the example, growth data is the Perform Project Financial Aanalysis that corresponding sub-factory carries out accounts payable in the reference, and its name is called " one factory of sub-factory ", and attribute comprises information such as " address, responsible official, contact method, bank of deposit, numbers of the account ".The structrual description of growth data comprises that also the physics table name of tables of data in database of corresponding growth data claims and information such as physics field name.Do not store concrete growth data in the growth data table, growth data will be stored in the data of database table.
Preferably, the structrual description of growth data can also comprise the sub-attribute information of growth data attribute, comprises that the size of data, data type, title of this attribute and other extend sub-attribute etc., use when being used to be provided with the physics field.
Present embodiment is preferred, and for ease of system management, described growth data table is divided into two kinds of tables creates, a kind of growth data admin table that is called, another kind is called the growth data attribute list.Information such as the title of growth data and corresponding physical table name are recorded in the growth data admin table, information such as the attribute of growth data and corresponding physical field name are recorded in the growth data attribute list, and set up incidence relation between them.In the present embodiment, association is carried out in by every record ID number of two tables, can certainly set up other interrelational forms.
Step 12, the developer creates the user interactions interface, and provides unified operation interface directly to visit described growth data table for the user.By this operation interface, the user can directly edit growth data admin table and growth data attribute list, adds record in table, perhaps deletes, revises record wherein.Therefore, the user is just convenient as user accesses data database data table to the operation of growth data table.
Above-mentioned growth data table and all finish when the development system with user's interface promptly increases a dynamically function of extending database data in original system.The how explanation of dynamic expansion data that is the user of system (being the user) when this system of use of following step, wherein, step 130-160 is the user adds tables of data in database a operation steps, the operation steps that step 131-151 makes amendment or deletes the data list structure in the database for the user.
(1) user adds the operation of tables of data in database:
Step 130, the user is provided with growth data and attribute thereof by above-mentioned unified operation interface, or sub-attribute;
Step 140, database application system receives the user and is provided with, with its new record as the growth data table.At this moment, system is considered as operation to the data library structure with the user to the operation of growth data table, therefore can carry out following operation:, in database, add new table by certain naming rule (such as mode, as t_Item_3002) with prefix+sequence number according to the title of growth data; According to the attribute and the sub-attribute information thereof of growth data, in this table, also set up the field (as F201, F202 etc.) of respective type by certain naming rule;
Step 150, system adds the title and the corresponding physical table name (as t_Item_3002) of growth data to the growth data admin table as a new record, and the attribute and the corresponding physical field (as F201, F202 etc.) of growth data are also added in the growth data attribute list as a new record;
Step 160, system relationship growth data admin table and growth data attribute list according to the corresponding relation of growth data title and physics table name, can find corresponding tables of data in database; According to the corresponding relation of attribute and physics field, can know the practical significance that each physics field is represented.Then, system is presented at described tables of data and attribute information thereof on the interface and browses or edit for the user, the user can add record in this tables of data, the concrete growth data of promptly corresponding each attribute field input, system with described growth data as the rule recorded and stored in the tables of data, and by unified interface display.
(2) user's operation that the tables of data in the database is made amendment or deleted:
Step 131, the data table name that the user will delete by the operation interface setting perhaps is provided with the tables of data attribute that will revise;
Step 141, system searches the growth data admin table, and searches corresponding tables of data according to the corresponding physical table name in database according to the data table name that the user is provided with;
Step 151, if user's operation is this table of deletion, then system deletes this table from database, and the corresponding structure description is deleted from growth data admin table and growth data attribute list; If user operation is a structure of revising this table, then system will make amendment to list structure, as adding field etc., and the respective record in growth data admin table and the growth data attribute list be made amendment;
Step 161 if retouching operation then will be revised the result and be presented on the interface, is about to amended list structure and shows.
Step 17, through above-mentioned to list structure in the database on-the-fly modify operation after, system shows corresponding tables of data on the interface, the user can browse to detailed content in the tables of data by this interface, and to concrete growth data increase, operation such as deletion, modification or inquiry.
In sum, the user can finish the data expanded function by unified operation interface, does not realize and do not need system development or maintainer to revise source code, has reduced the maintenance of system.
Be that example describes with the expansion Perform Project Financial Aanalysis below:
Theing contents are as follows of former growth data admin table:
| Numbering | The growth data name | The physics table name | ... |
| 1 | Supplier | t_Item_3001 | ... |
Table 1
Theing contents are as follows of former growth data attribute list:
| Numbering | The growth data attribute | The physics field name | ... |
| 1 | Title | F101 | ... |
| The address | F102 | ... | |
| The responsible official | F103 | ... | |
| Contact method | F104 | ... |
Table 2
Theing contents are as follows of growth data admin table behind the interpolation Perform Project Financial Aanalysis:
| Numbering | The growth data name | The physics table name | ... |
| 1 | Supplier | t_Item_3001 | ... |
| 2 | Sub-factory | t_Item_3002 | ... |
Table 3
Theing contents are as follows of growth data attribute list behind the interpolation Perform Project Financial Aanalysis:
| Numbering | The growth data attribute | The physics field name | ... |
| 1 | Title | F101 | ... |
| The address | F102 | ... | |
| The responsible official | F103 | ... | |
| Contact method | F104 | ... | |
| 2 | Title | F201 | ... |
| The address | F202 | ... | |
| The responsible official | F203 | ... | |
| Contact method | F204 | ... |
| Bank of deposit | F205 | ... | |
| Number of the account | F206 | ... |
Table 4
With after table 4 is related, the Perform Project Financial Aanalysis tables of data of corresponding sub-factory and table content show below with table 3:
| Title | The address | The responsible official | Contact method | Bank of deposit | Number of the account |
| One factory of sub-factory | * * district, * city * * street * * * * number | King * * | 010-12345678 | * * subbranch of the * * of * bank branch | 123456789110 |
| Two factories of sub-factory | * * district, * city * * street * * * * number | Lee * * | 021-87654321 | * * subbranch of the * * of * bank branch | 987654321110 |
Table 5
The change procedure of above-mentioned table 1-table 5 has clearly demonstrated the described data base extension method of the embodiment of the invention, and at this method, the present invention also provides a kind of embodiment of database expanding unit.
With reference to Fig. 2, be the structured flowchart of described database expanding unit embodiment.Described device mainly comprises growth data administrative unit 201, database management unit 202 and interface operation unit 203.
Described growth data administrative unit 201 is used for the data list structure of database is on-the-fly modified, by creating the structrual description that the growth data table writes down growth data, when in this table, adding a record, promptly in database, added a tables of data; When the record revising or delete in this table, promptly revised or deleted the corresponding data list structure in the database.For example, in database, add the Perform Project Financial Aanalysis of a sub-factory of correspondence, perhaps delete former supplier data table, perhaps can revise information such as field in the supplier data table or field attribute by growth data administrative unit 201.
Present embodiment is preferred, and growth data administrative unit 201 is created two kinds of tables and represented the growth data table, and a kind of is the growth data admin table, is used for depositing the title and the corresponding information such as physics table name at database of growth data; Another kind is the growth data attribute list, is used to deposit information such as the attribute of growth data and corresponding physical field name, can set up one or more and come the attribute of administration extensions data.Growth data administrative unit 201 associates described two kinds of tables, the physics table of corresponding growth data name can be from database, found according to the growth data admin table, the practical significance that each field in this physics table is represented can be known according to the growth data attribute list.
Described interface operation unit 203 is interactive interfaces of user and database, for the user provides unified operation interface, for the user growth data and attribute thereof are set, but and the explicit user tables of data and the growth data that are provided with, the user can browse or inquire about the dynamic operation of database by this interface.On the one hand, this operation interface is provided with growth data and attribute thereof for the user provides, and interface displayed as a result will be set, and can show that promptly the growth data list structure is for browsing or editing; On the other hand, this operation interface also provides the interface of video data table content, can view detail record in the tables of data by this interface user, and to editing operations such as record increase, deletes, changes.In a word, the user can directly on-the-fly modify the data library structure by this operation interface, and does not need the system development personnel to finish by revising source code, has increased the dirigibility of system, has significantly reduced the maintenance of system.
The part that does not describe in detail in the device shown in Figure 2 can be considered for length referring to the relevant portion of method shown in Figure 1, is not described in detail in this.
More than to a kind of data base extension method provided by the present invention and device, be described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, part in specific embodiments and applications all can change.In sum, this description should not be construed as limitation of the present invention.
Claims (11)
1. a data base extension method is characterized in that, comprising:
Create the growth data table, this growth data table is used to write down the structrual description of growth data;
Create the user interactions interface, the user edits the growth data table by this interface;
By described interface, described growth data table receives the structrual description of the growth data of user's setting;
According to the structrual description of described growth data, in database, set up new tables of data;
Receive the growth data of user's input, and be kept in the described new tables of data, finish the expansion of database data.
2. method according to claim 1 is characterized in that, sets up new tables of data according to following steps:
The structrual description of described growth data comprises the title and the attribute of growth data, and described growth data table is divided into growth data admin table and growth data attribute list;
The title and the corresponding physical table name of growth data are kept at the growth data admin table, the attribute and the corresponding physical field name of growth data is kept at the growth data attribute list;
In database, make up the physics table of appointment in the growth data admin table, and in this physics table, increase the physics field of appointment in the growth data attribute list.
3. method according to claim 2 is characterized in that: the structrual description of described growth data also comprises the sub-attribute of growth data attribute, and database root is provided with field in the physics table according to described sub-attribute.
4. method according to claim 2 is characterized in that, also comprises: by described growth data admin table is associated with the growth data attribute list, obtain the title and the attribute of growth data, and be shown to the user for browsing or edit growth data.
5. a data base extension method is characterized in that, comprising:
Create the growth data table, this growth data table is used to write down the structrual description of growth data;
Create the user interactions interface, the user edits the growth data table by this interface;
By described interface, described growth data table receives the structrual description of the growth data of user's setting;
According to the structrual description of described growth data, search former tables of data corresponding in the database, and the former data list structure that finds is deleted or retouching operation.
6. a database expanding unit is characterized in that, comprising:
The growth data administrative unit is used to create the growth data table, and this growth data table is used to write down the structrual description of growth data; Receive the structrual description of the growth data of user's setting, and add in the growth data table;
Database management unit is used for the structrual description according to described growth data table growth data, sets up new tables of data in database; And receive the growth data that the user imports, be saved in the described new tables of data;
The interface operation unit is used to provide the interactive interface of user and database, and the user edits the growth data table by this interface.
7. device according to claim 6 is characterized in that: described growth data administrative unit also can be provided with according to the user structrual description in the growth data table is deleted or retouching operation; Accordingly, described database management unit also can be deleted or retouching operation former data list structure, and the growth data in the tables of data is increased, deletes, changes operation.
8. device according to claim 6, it is characterized in that: the structrual description of described growth data comprises the title and the attribute of growth data, described growth data administrative unit is divided into growth data admin table and growth data attribute list with the growth data table, wherein the growth data admin table is used to preserve the title and the corresponding physical table name of growth data, and the growth data attribute list is used to preserve the attribute and the corresponding physical field name of growth data.
9. device according to claim 8 is characterized in that: described database management unit makes up the physics table of appointment according to the growth data admin table when setting up tables of data, and increases the physics field of appointment in this physics table according to the growth data attribute list.
10. device according to claim 8 is characterized in that: described growth data attribute list can be a plurality of.
11. device according to claim 8, it is characterized in that: described interface operation unit is by being associated the growth data admin table with the growth data attribute list, obtain title, attribute and the growth data of growth data, and be shown to the user for browsing or edit growth data.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101634942A (en) * | 2008-07-24 | 2010-01-27 | 北大方正集团有限公司 | Method and system for dynamically creating data tables |
| CN101593178B (en) * | 2008-05-30 | 2011-07-13 | 中兴通讯股份有限公司 | Method of multidimensional automatic triggering for extending database |
| CN103164413A (en) * | 2011-12-09 | 2013-06-19 | 金蝶软件（中国）有限公司 | Method and system for dynamic extension of service objects |
| CN105320675A (en) * | 2014-07-03 | 2016-02-10 | 南京中兴力维软件有限公司 | Database application system attribute extension management method and device |
| CN106933837A (en) * | 2015-12-29 | 2017-07-07 | 航天信息股份有限公司 | A kind of database table model and creation method |
| CN107315832A (en) * | 2017-07-10 | 2017-11-03 | 唐郡 | The input method and system of a kind of atomization element |
| CN107895049A (en) * | 2017-12-05 | 2018-04-10 | 泰康保险集团股份有限公司 | Data processing method and device, computer-readable recording medium, electronic equipment |
| CN107943926A (en) * | 2017-11-21 | 2018-04-20 | 郑州云海信息技术有限公司 | The attribute increase method, apparatus and medium of a kind of tables of data |
| CN108073709A (en) * | 2017-12-20 | 2018-05-25 | 上海达梦数据库有限公司 | A kind of operating method of data record, device, equipment and storage medium |
| CN112765176A (en) * | 2021-01-22 | 2021-05-07 | 浪潮通用软件有限公司 | Attribute extension method and device in micro-service mode and storage medium |
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- 2007-09-11 CN CNB2007101454232A patent/CN100511237C/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101593178B (en) * | 2008-05-30 | 2011-07-13 | 中兴通讯股份有限公司 | Method of multidimensional automatic triggering for extending database |
| CN101634942A (en) * | 2008-07-24 | 2010-01-27 | 北大方正集团有限公司 | Method and system for dynamically creating data tables |
| CN103164413A (en) * | 2011-12-09 | 2013-06-19 | 金蝶软件（中国）有限公司 | Method and system for dynamic extension of service objects |
| CN103164413B (en) * | 2011-12-09 | 2016-03-09 | 金蝶软件（中国）有限公司 | The method and system of dynamic expansion business object |
| CN105320675A (en) * | 2014-07-03 | 2016-02-10 | 南京中兴力维软件有限公司 | Database application system attribute extension management method and device |
| CN106933837A (en) * | 2015-12-29 | 2017-07-07 | 航天信息股份有限公司 | A kind of database table model and creation method |
| CN107315832A (en) * | 2017-07-10 | 2017-11-03 | 唐郡 | The input method and system of a kind of atomization element |
| CN107943926A (en) * | 2017-11-21 | 2018-04-20 | 郑州云海信息技术有限公司 | The attribute increase method, apparatus and medium of a kind of tables of data |
| CN107895049A (en) * | 2017-12-05 | 2018-04-10 | 泰康保险集团股份有限公司 | Data processing method and device, computer-readable recording medium, electronic equipment |
| CN108073709A (en) * | 2017-12-20 | 2018-05-25 | 上海达梦数据库有限公司 | A kind of operating method of data record, device, equipment and storage medium |
| CN112765176A (en) * | 2021-01-22 | 2021-05-07 | 浪潮通用软件有限公司 | Attribute extension method and device in micro-service mode and storage medium |
| CN112765176B (en) * | 2021-01-22 | 2023-02-03 | 浪潮通用软件有限公司 | Attribute extension method and device in micro-service mode and storage medium |
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| CN100511237C (en) | 2009-07-08 |
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