CN110377589A - A kind of data source library table information detection method, device, server and medium - Google Patents
A kind of data source library table information detection method, device, server and medium Download PDFInfo
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- CN110377589A CN110377589A CN201910666924.8A CN201910666924A CN110377589A CN 110377589 A CN110377589 A CN 110377589A CN 201910666924 A CN201910666924 A CN 201910666924A CN 110377589 A CN110377589 A CN 110377589A
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- 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
- G06F16/21—Design, administration or maintenance of databases
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Abstract
The embodiment of the invention discloses a kind of data source library table information detection method, device, server and media.Wherein, which comprises according to target data source link information, the library table information of the target database detected needed for obtaining and storing from the target data source;The library table information of the target database is obtained according to predetermined period, and is compared with the library table information of storage, determines library table modification information.The technical method of the embodiment of the present invention detects the modification information of target database only by target data source link information, provides a kind of without intrusive data source library table information detection method, simplified detection steps.
Description
Technical field
The present embodiments relate to database technical field more particularly to a kind of data source library table information detection methods, dress
It sets, server and medium.
Background technique
Database is the place for storing electronic document, user can increase the data in file newly, intercept, update with
And the operation such as deletion, change data capture can recorde the related modification information of database, access the data changed for user
Library provides convenience.
The Data source table structure prospecting tools that existing change data capture usually utilizes are realized, but current Data source table
Structure prospecting tools have source database certain invasive, need to change source database when carrying out data list structure detection
Part configures, and operation is more complicated, and applicability is poor.
Summary of the invention
In view of this, the present invention provides a kind of data source library table information detection method, device, server and medium, with reality
Now without changing the configuration information of source database, and then the modification information of database table structure is detected.
In a first aspect, the embodiment of the invention provides a kind of data source library table information detection methods, comprising:
According to target data source link information, the target data of detection needed for obtaining and storing from the target data source
The library table information in library;
The library table information of the target database is obtained according to predetermined period, and is compared with the library table information of storage,
Determine library table modification information.
Second aspect, the embodiment of the invention provides a kind of data source library table information detection devices, comprising:
Library table data obtaining module, for being obtained simultaneously from the target data source according to target data source link information
The library table information of the target database detected needed for storage;
Library table modification information determining module, for obtaining the library table information of the target database according to predetermined period, and
It is compared with the library table information of storage, determines library table modification information.
The third aspect, the embodiment of the invention provides a kind of servers, comprising:
One or more processors;
Memory, for storing one or more programs;
When one or more of programs are executed by one or more of processors, so that one or more of processing
Device realizes the data source library table information detection method as described in any embodiment of the present invention.
Fourth aspect, the embodiment of the invention provides a kind of computer readable storage mediums, are stored thereon with computer journey
Sequence realizes the data source library table information detection method as described in any embodiment of the present invention when the program is executed by processor.
The embodiment of the present invention passes through the link information according to target data source, needed for obtaining and storing from target data source
The library table information for the target database to be detected, and the library table information according to predetermined period acquisition target database, with storage
Library table information is compared, to determine library table modification information.The technical solution of the embodiment of the present invention passes through the company of target data source
Information is connect to obtain the library table information of the required target database detected, realizes the configuration information without changing source database,
To which the modification information to database table structure is carried out without intrusive detection.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do one simply to introduce, it should be apparent that, the accompanying drawings in the following description is 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 a kind of flow chart for data source library table information detection method that the embodiment of the present invention one provides;
Fig. 2 is a kind of schematic diagram for target data source allocation list that the embodiment of the present invention one provides;
Fig. 3 A is a kind of schematic diagram of the library table information for storage that the embodiment of the present invention one provides;
Fig. 3 B is a kind of schematic diagram of the library table information for timing crawl that the embodiment of the present invention one provides;
Fig. 4 is a kind of flow chart of data source library table information detection method provided by Embodiment 2 of the present invention;
Fig. 5 is a kind of structural schematic diagram for data source library table information detection device that the embodiment of the present invention three provides;
Fig. 6 is a kind of structural schematic diagram for server that the embodiment of the present invention four provides.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, hereinafter with reference to attached in the embodiment of the present invention
Figure, clearly and completely describes technical solution of the present invention by embodiment, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.Following each embodiments
In, optional feature and example are provided simultaneously in each embodiment, each feature recorded in embodiment can be combined, and be formed
The embodiment of each number should not be considered merely as a technical solution by multiple optinal plans.
Embodiment one
Fig. 1 is a kind of flow chart for data source library table information detection method that the embodiment of the present invention one provides, the present embodiment
It is applicable to the case where detecting to the data source library table information of change.This method can be by number provided in an embodiment of the present invention
It is executed according to source library table information detection device, which can be used hardware and/or the mode of software is realized, which can be integrated in
In server.Referring to Fig. 1, this method be can specifically include:
S110, foundation target data source link information, the number of targets detected needed for obtaining and storing from target data source
According to the library table information in library.
Wherein, data source refers to database or database server used in database application, for providing
The device or original media of certain required data.Database is the file cabinet of electronization, is the place for storing electronic document, uses
Family newly such as can be increased to the data in file, intercept, update, deleting at the operation.Optionally, it may be provided in a data source
Multiple databases.Corresponding, target data source refers to user according to the selected any data source of self-demand.
In the present embodiment, target data source link information refer to server for information needed for linking objective data source,
It can include but is not limited to target data source name, target data source IP address, the port numbers of access target data source, database
Type, the user name of access target data source and password etc., configure target data source by above-mentioned link information.It can
Choosing, the target data source connection letter that the available third-party application client of server is inputted by the user that browser is sent
Breath.
Optionally, the database of one or polymorphic type can be configured in target data source, wherein database type packet
Include but be not limited to Oracle, SQL Server and Mysql etc., as shown in Figure 2.It can be with by the link information of target data source
The library table information in certain target database is obtained, the library table information in plurality of target database can also be obtained simultaneously.Wherein
Library table information may include relevant field information etc. in the title and library table of library table.
With Mysql data source configuration example:
The schemaName in schema and tables for including in target data source link information are provided and are needed to detect
The corresponding library table of target database, meet in practical application, the library table information of specific target data visited
The demand of survey.
Specifically, server can be established with target data source and be communicated to connect based on the communication mechanism of setting;It later can be from mesh
The library table information of the target database detected needed for obtaining and store in mark data source.
Further, according to target data source link information, needed for obtaining and storing from the database of target data source
The library table information for the target database to be detected may include: according to target data source link information, from the number of target data source
According to the metamessage of the target database detected needed for being obtained in library;The associated field letter of target database is determined according to metamessage
Breath;According to the associated field information of target database, the library table information of target database is determined and stored.
Wherein, metamessage allows server to provide the information of transmitted data.It include multiple library tables, Mei Geku in database
It again include corresponding field information in table.
By above-mentioned target source link information, the number of targets of detection needed for being obtained from the database of target data source
According to the metamessage in library, specifically, pass through the metamessage of the available target database of access interface, it can be into one by metamessage
Step obtains all or part of required field information detected in the table of library, and then the mesh detected required for being made of field information
Mark the library table information of database.
S120, the library table information that target database is obtained according to predetermined period, and be compared with the library table information of storage,
Determine library table modification information.
In the present embodiment, predetermined period can be configured according to actual needs.Library table modification information may include to library
Insertion, change and deletion of field etc. operate in table.
Specifically, library table information may include the field informations such as field name, field type, field length, pass through timing
Crawl library table information in field information, the field information in the field information of crawl and the library table information of storage is compared
Compared with to determine library table modification information.
By library, table name is illustrated for being known as the library table of school.Fig. 3 A is the library table information of storage, and Fig. 3 B timing is grabbed
The library table information taken.As it can be seen that library table modification information be increase name field, and the length of city field from 50 changes in order to
255, while deleting graduation_rates field.
It further, can also include: to be updated storage according to library table modification information after determining library table modification information
Library table information.
It, can be with the library table modification information to the library table information of storage after determining library table modification information in the present embodiment
It is updated, so as to the library table information update that will store to last state.It further, can also be according to certain relational format
Come provide library table change details, so as to user can with the access of system change data.
The embodiment of the present invention passes through the link information according to target data source, needed for obtaining and storing from target data source
The library table information for the target database to be detected, and the library table information according to predetermined period acquisition target database, with storage
Library table information is compared, to determine library table modification information.The technical solution of the embodiment of the present invention passes through the company of target data source
Information is connect to obtain the library table information of the required target database detected, realizes the configuration information without changing source database,
To which the modification information to database table structure is carried out without intrusive detection.
Embodiment two
Fig. 4 is a kind of flow chart of data source library table information detection method provided by Embodiment 2 of the present invention, the present embodiment
It is on the basis of the above embodiments, further to according to target data source link information, to obtain and deposit from target data source
The library table information of the target database detected needed for storage is explained, and referring to fig. 2, this method can specifically include:
S210, foundation target data source link information, the target database detected needed for determining.
S220, it is connect by public visit interface with target database, is obtained from target data source and store required spy
The library table information of the target database of survey.
Wherein, public visit interface can provide unified access interface for multitype database, can be simultaneously to inhomogeneity
The database of type accesses, and solves the problems, such as that single database can only be detected in the prior art.
Illustratively, above-mentioned public visit interface can be Java data connection (Java DataBase
Connectivity, JDBC), specifically, different databases is corresponding with different JDBC drivers, pass through load driver and mesh
Mark database is attached, and further, in JDBC has the interface function for obtaining metamessage, available by the interface function
To the metadata of target database, believed by the field that above-mentioned metamessage can further parse to obtain the required detection in the table of library
Breath, so that it is determined that the library table information of target database.
Specifically, splice the URL of database by the IP address of configuration database, port and database name etc., with
For Mysql database, JDBC load driver sentence are as follows: Class.forName (" com.mysql.cj.jbdc.Driver ");
Obtain the sentence of target database connection are as follows: conn=DriverManager.getConnection (" jdbc:mysql: //
Localhost:3306/test_demo? useSSL=false&severTimezone=UTC ", " root ",
"password");There is the interface DatabaseMetaData for obtaining metamessage in JDBC, passes through the available number of targets of the interface
According to the metamessage in library, relevant statement sentence are as follows: DatabaseMetaData dmd=conn.getMeteData ();Into
One step, after getting the metamessage of target database, by parsing to metamessage, pass through sentence
Aiming field information in the available database table of DatabaseMetaData.getColumns, passes through aiming field information
To form the library table information of target database.
S230, the library table information that target database is obtained according to predetermined period, and be compared with the library table information of storage,
Determine library table modification information.
The present embodiment according to public access interface with target database by being connected, to obtain the library table of target database
Information is realized and is detected to the library table information of multitype database, simplifies library table information detection process.
Embodiment three
Fig. 5 is a kind of structural schematic diagram for data source library table information detection device that the embodiment of the present invention three provides, and can be held
Row data source library table information detection method provided by any embodiment of the invention.
Referring to Fig. 5, data source library table information detection device in the present embodiment, comprising: library table data obtaining module 310 and library
Table modification information determining module 320.
Wherein, library table data obtaining module 310, for being obtained from target data source according to target data source link information
The library table information of the target database detected needed for taking and storing.
Library table modification information determining module 320, for the library table information according to predetermined period acquisition target database, and with
The library table information of storage is compared, and determines library table modification information.
The embodiment of the present invention passes through the link information according to target data source, needed for obtaining and storing from target data source
The library table information for the target database to be detected, and the library table information according to predetermined period acquisition target database, with storage
Library table information is compared, to determine library table modification information.The technical solution of the embodiment of the present invention passes through the company of target data source
Information is connect to obtain the library table information of the required target database detected, realizes the configuration information without changing source database,
To which the modification information to database table structure is carried out without intrusive detection.
On the basis of the above embodiments, data source library table information detection device can also include:
Library table information updating module, for foundation library table modification information, the library table information updated storage.
On the basis of the above embodiments, library table data obtaining module 310 specifically can be used for:
According to target data source link information, the target database of detection needed for being obtained from the database of target data source
Metamessage;
The associated field information of target database is determined according to metamessage;
According to the associated field information of target database, the library table information of target database is obtained and stored.
On the basis of the above embodiments, library table data obtaining module 310 also particularly useful for:
According to target data source link information, the target database of detection needed for determining;
It is connect by public visit interface with target database, the mesh detected needed for obtaining and storing from target data source
Mark the library table information of database.
Table information detection device in data source library provided by the embodiment of the present invention can be performed any embodiment of that present invention and be mentioned
The data source library table information detection method of confession, has the corresponding functional module of execution method and beneficial effect.
Example IV
Fig. 6 is a kind of structural schematic diagram for server that the embodiment of the present invention four provides, and Fig. 6, which is shown, to be suitable for being used to realizing
The block diagram of the exemplary servers of embodiment of the embodiment of the present invention.The server that Fig. 6 is shown is only an example, should not be right
The function and use scope of the embodiment of the present invention bring any restrictions.
As shown in fig. 6, server 12 is showed in the form of universal computing device.The component of server 12 may include but not
Be limited to: one or more processor or processing unit 16, system storage 28 connect different system components (including system
Memory 28 and processing unit 16) bus 18.
Bus 18 indicates one of a few class bus structures or a variety of, including memory bus or Memory Controller,
Peripheral bus, graphics acceleration port, processor or the local bus using any bus structures in a variety of bus structures.It lifts
For example, these architectures include but is not limited to industry standard architecture (ISA) bus, microchannel architecture (MAC)
Bus, enhanced isa bus, Video Electronics Standards Association (VESA) local bus and peripheral component interconnection (PCI) bus.
Server 12 typically comprises a variety of computer system readable media.These media can be and any can be serviced
The usable medium that device 12 accesses, including volatile and non-volatile media, moveable and immovable medium.
System storage 28 may include the computer system readable media of form of volatile memory, such as arbitrary access
Memory (RAM) 30 and/or cache memory 32.Server 12 may further include other removable/nonremovable
, volatile/non-volatile computer system storage medium.Only as an example, storage system 34 can be used for reading and writing not removable
Dynamic, non-volatile magnetic media (Fig. 6 do not show, commonly referred to as " hard disk drive ").Although being not shown in Fig. 6, can provide
Disc driver for being read and write to removable non-volatile magnetic disk (such as " floppy disk "), and to removable anonvolatile optical disk
The CD drive of (such as CD-ROM, DVD-ROM or other optical mediums) read-write.In these cases, each driver can
To be connected by one or more data media interfaces with bus 18.System storage 28 may include that at least one program produces
Product, the program product have one group of (for example, at least one) program module, these program modules are configured to perform of the invention real
Apply the function of each embodiment of example.
Program/utility 40 with one group of (at least one) program module 42 can store and store in such as system
In device 28, such program module 42 includes but is not limited to operating system, one or more application program, other program modules
And program data, it may include the realization of network environment in each of these examples or certain combination.Program module 42
Usually execute the function and/or method in described embodiment of the embodiment of the present invention.
Server 12 can also be logical with one or more external equipments 14 (such as keyboard, sensing equipment, display 24 etc.)
Letter, can also be enabled a user to one or more equipment interact with the server 12 communicate, and/or with make the server
The 12 any equipment (such as network interface card, modem etc.) that can be communicated with one or more of the other calculating equipment communicate.
This communication can be carried out by input/output (I/O) interface 22.Also, server 12 can also pass through network adapter 20
With one or more network (such as local area network (LAN), wide area network (WAN) and/or public network, such as internet) communication.
As shown in figure 4, network adapter 20 is communicated by bus 18 with other modules of server 12.Although should be understood that in figure not
It shows, other hardware and/or software module can be used in conjunction with server 12, including but not limited to: microcode, device drives
Device, redundant processing unit, external disk drive array, RAID system, tape drive and data backup storage system etc..
Processing unit 16 by the program that is stored in system storage 28 of operation, thereby executing various function application and
Data processing, such as realize data source library table information detection method provided by the embodiment of the present invention.
Embodiment five
The embodiment of the present invention five also provides a kind of storage medium comprising computer executable instructions, and computer is executable to be referred to
It enables when being executed by computer processor for executing a kind of data source library table information detection method, this method comprises:
According to target data source link information, the target database of detection needed for obtaining and storing from target data source
Library table information;
The library table information of the target database is obtained according to predetermined period, and is compared with the library table information of storage,
Determine library table modification information.Certainly, a kind of storage medium comprising computer executable instructions provided by the embodiment of the present invention,
The method operation that its computer executable instructions is not limited to the described above, can also be performed provided by any embodiment of the invention
Relevant operation in the table information approach of data source library.
By the description above with respect to embodiment, it is apparent to those skilled in the art that, the present invention
It can be realized by software and required common hardware, naturally it is also possible to which by hardware realization, but in many cases, the former is more
Good embodiment.Based on this understanding, technical solution of the present invention substantially in other words contributes to the prior art
Part can be embodied in the form of software products, which can store in computer readable storage medium
In, floppy disk, read-only memory (Read-Only Memory, ROM), random access memory (Random such as computer
Access Memory, RAM), flash memory (FLASH), hard disk or CD etc., including some instructions are with so that a computer is set
Standby (can be personal computer, terminal or the network equipment etc.) executes method described in each embodiment of the present invention.
It is worth noting that, in the embodiment of above-mentioned data source library table information detection device, included each unit and
Module is only divided according to the functional logic, but is not limited to the above division, as long as corresponding functions can be realized
?;In addition, the specific name of each functional unit is also only for convenience of distinguishing each other, the protection being not intended to restrict the invention
Range.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments here, be able to carry out for a person skilled in the art it is various it is apparent variation, again
Adjustment and substitution are without departing from protection scope of the present invention.Therefore, although by above embodiments to the present invention carried out compared with
For detailed description, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, can be with
Including more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of data source library table information detection method characterized by comprising
According to target data source link information, the target database of detection needed for obtaining and storing from the target data source
Library table information;
The library table information of the target database is obtained according to predetermined period, and is compared with the library table information of storage, is determined
Library table modification information.
2. the method according to claim 1, wherein obtaining the target database according to predetermined period described
Library table information and be compared with the library table information of storage, after determining library table modification information, further includes:
According to the library table modification information, the library table information that updates storage.
3. the method according to claim 1, wherein described according to the target data source link information, from institute
State the library table information of the target database detected required for obtaining and storing in the database of target data source, comprising:
According to the target data source link information, the number of targets of detection needed for being obtained from the database of the target data source
According to the metamessage in library;
The associated field information of the target database is determined according to the metamessage;
According to the associated field information of the target database, the library table information of the target database is determined and stored.
4. the method according to claim 1, wherein described according to the target data source link information, from mesh
The library table information of the target database detected needed for obtaining and store in mark data source, comprising:
According to the target data source link information, the target database of detection needed for determining;
It is connect by public visit interface with the target database, the mesh detected needed for obtaining and storing from target data source
Mark the library table information of database.
5. a kind of data source library table information detection device characterized by comprising
Library table data obtaining module, for obtaining and storing from the target data source according to target data source link information
The library table information of the target database of required detection;
Library table modification information determining module, for obtaining the library table information of the target database according to predetermined period, and with deposit
The library table information of storage is compared, and determines library table modification information.
6. device according to claim 5, which is characterized in that further include:
Library table information updating module, for it is described according to predetermined period obtain the target database library table information and with deposit
The library table information of storage is compared, after determining library table modification information, according to the library table modification information, and the library table that updates storage
Information.
7. device according to claim 5, which is characterized in that the library table data obtaining module also particularly useful for:
According to the target data source link information, the target database of detection needed for determining;
It is connect by public visit interface with the target database, the mesh detected needed for obtaining and storing from target data source
Mark the library table information of database.
8. device according to claim 5, which is characterized in that the library table data obtaining module also particularly useful for:
According to the target data source link information, the target database of detection needed for determining;
It is connect by public visit interface with the target database, the mesh detected needed for obtaining and storing from target data source
Mark the library table information of database.
9. a kind of server, which is characterized in that the server includes:
One or more processors;
Memory, for storing one or more programs;
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
The now data source library table information detection method as described in any in claim 1-4.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The data source library table information detection method as described in any in claim 1-4 is realized when execution.
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