CN104462119A - Data migration method and device - Google Patents
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- CN104462119A CN104462119A CN201310429783.0A CN201310429783A CN104462119A CN 104462119 A CN104462119 A CN 104462119A CN 201310429783 A CN201310429783 A CN 201310429783A CN 104462119 A CN104462119 A CN 104462119A
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Abstract
The invention discloses a data migration method and device and belongs to the technical field of computers. The method includes the steps that a configuration library is generated and comprises parameter information of a source database, parameter information of a target database, parameter information of a table to which data to be migrated in the source database belong and migration conditions; the data to be migrated are exported according to the parameter information of the source database in the configuration library, the parameter information of the table to which the data to be migrated in the source database belong and the migration conditions; the table is established in the target database according to the parameter information of the table to which the data to be migrated in the source database belong, the migration conditions and the parameter information of the target database; the data, exported from the source database, to be migrated are imported into the table established in the target database. According to the technical scheme, the method and device can be applicable to migration of data between any two databases and not limited to data migration between two fixed databases, a data migration mode is flexible, and use is very convenient.
Description
Technical field
The present invention relates to field of computer technology, particularly a kind of data migration method and device.
Background technology
The migration of data between disparate databases is very common in Current software industry, such as consider cost or performance when the system reform, often need to change background data base, as oracle database is replaced with mysql database, mysql database is replaced with postgre database, and postgre database is replaced with oracle database etc.
In prior art, the migration of data between disparate databases, usually first by resolving the list structure definition of source database, resolves to Structured Query Language (SQL) (the Structured Query Language of the table establishment that target database is supported; SQL), to perform in target database, and in target database, generate new table, the form pre-defined according to Migration tools is from source database derived data, then the data importing target database that will derive, and completes Data Migration.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem: in prior art, the migration of data between disparate databases, be only limitted to a kind of database move in another kind of database, cannot again toward the third database migration, cause the migration underaction of data between disparate databases, use very inconvenient.
Summary of the invention
In order to solve the problem of prior art, embodiments provide a kind of data migration method and device.Described technical scheme is as follows:
On the one hand, provide a kind of data migration method, described method comprises:
Generate repository, described repository comprises parameter information and the transition condition of the table in the parameter information of source database, the parameter information of target database, described source database belonging to data to be migrated;
According to parameter information and the described transition condition of the table in the parameter information of the described source database in described repository, described source database belonging to data to be migrated, by described statistical conversion to be migrated;
The parameter information of the parameter information of the table belonging to data to be migrated in described source database, described transition condition and described target database, builds table in described target database;
By in the described table built in the data importing described to be migrated of deriving from described source database to described target database.
On the other hand, provide a kind of data migration device, described device comprises:
Generation module, for generating repository, described repository comprises parameter information and the transition condition of the table in the parameter information of source database, the parameter information of target database, described source database belonging to data to be migrated;
Derive module, for parameter information and the described transition condition of the table in the parameter information according to the described source database in described repository, described source database belonging to data to be migrated, by described statistical conversion to be migrated;
Build table module, for the parameter information of the parameter information of the table belonging to data to be migrated in described source database, described transition condition and described target database, in described target database, build table;
Import module, in described table that will build in the data importing described to be migrated of deriving from described source database to described target database.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
By generating repository, described repository comprises parameter information and the transition condition of the table in the parameter information of source database, the parameter information of target database, source database belonging to data to be migrated; According to parameter information and the transition condition of the table in the parameter information of the source database in repository, source database belonging to data to be migrated, by statistical conversion to be migrated; The parameter information of the parameter information of the table belonging to data to be migrated in source database, transition condition and target database, builds table in target database; In the table that the data importing to be migrated of deriving from source database is built to target database.Adopt the technical scheme of the embodiment of the present invention, can be applicable to the migration of data between any two kinds of databases, be not limited to the Data Migration between two kinds of fixed data storehouses, Data Migration mode is comparatively flexible, very easy to use.And adopt the technical scheme of the embodiment of the present invention, can self-defined transition condition, generate configuration information flexibly according to demand, thus realize carrying out Data Migration between two databases, thus the cost of database migration can be saved, improve the efficiency of Data Migration.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The process flow diagram of the data migration method that Fig. 1 provides for one embodiment of the invention.
The process flow diagram of the data migration method that Fig. 2 provides for another embodiment of the present invention.
The structural representation of the data migration device that Fig. 3 provides for one embodiment of the invention.
The structural representation of the data migration device that Fig. 4 provides for another embodiment of the present invention.
Fig. 5 is a kind of terminal device structural representation that the embodiment of the present invention provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
The process flow diagram of the data migration method that Fig. 1 provides for one embodiment of the invention.As shown in Figure 1, the data migration method that the present embodiment provides, specifically can comprise the steps:
100, repository is generated;
The repository of the present embodiment comprises parameter information and the transition condition of the table in the parameter information of source database, the parameter information of target database, source database belonging to data to be migrated.The parameter information of such as source database comprises the type of the IP address of source database and port numbers, source database, and the login link information of source database, as the username and password of source database, alternatively, the parameter information of source database can also other parameter informations comprising source database etc.The parameter information of target database also can comprise IP address and the port numbers of target database, and the login link information of the type of target database and target database, as target database username and password, alternatively, the parameter information of target database can also other parameter informations comprising target database etc.The parameter information of the table belonging to data to be migrated can comprise the title of table, or alternatively, can also comprise other attribute informations of some these tables, as this table belongs to which database (database), or this table belongs to information of which user (schema) etc.Transition condition can comprise data to be migrated and be in position in described table as n-th row etc., and other of the data that will move can self-defining restrictive condition, as the initial time and end time etc. of table that will move.When carrying out Data Migration between different source databases and target database, only needing to configure this repository, using very flexible.
The type of the source database of the present embodiment and the type of target database can be oracle database, mysql database or postgre database etc., or also can be the database of other types.The type of source database and target database in the present embodiment
101, according to parameter information and the transition condition of the table in the parameter information of the source database in repository, source database belonging to data to be migrated, by statistical conversion to be migrated;
The parameter information of the parameter information of the table 102, belonging to data to be migrated in source database, transition condition and target database, builds table in target database;
103, in the table data importing to be migrated of deriving from source database built to target database.
The executive agent of the data migration method that the present embodiment provides is data migration device, and this data migration device can be the integrated device of daemon software program.
The data migration method that the present embodiment provides, by generating repository, this repository comprises parameter information and the transition condition of the table in the parameter information of source database, the parameter information of target database, source database belonging to data to be migrated; According to parameter information and the transition condition of the table in the parameter information of the source database in repository, source database belonging to data to be migrated, by statistical conversion to be migrated; The parameter information of the parameter information of the table belonging to data to be migrated in source database, transition condition and target database, builds table in target database; In the table that the data importing to be migrated of deriving from source database is built to target database.Adopt the technical scheme of the present embodiment, can be applicable to the migration of data between any two kinds of databases, be not limited to the Data Migration between two kinds of fixed data storehouses, Data Migration mode is comparatively flexible, very easy to use.And adopt the technical scheme of the present embodiment, can flexible configuration thus realize carrying out Data Migration between two databases, thus the cost of database migration can be saved, improve the efficiency of Data Migration.
Alternatively, on the basis of above-mentioned technical scheme embodiment illustrated in fig. 1, wherein step 101 " according to parameter information and the transition condition of the table in the parameter information of the source database in repository, source database belonging to data to be migrated; by statistical conversion to be migrated ", specifically can comprise the steps:
(1) according to the parameter information access originator database of the source database in repository;
Such as according to IP address and the port numbers of the source database in repository, and the login link information comprising username and password can access originator database.
(2) parameter information of the table belonging to data to be migrated in source database and transition condition generate statistical conversion SQL statement;
The statistical conversion SQL statement that the parameter information of the table such as belonging to data to be migrated in source database and transition condition generate can meet the statistical conversion to be migrated of transition condition.And this SQL statement is the statement of the syntax rule being applicable to source database.
(3) in the source database of access, perform statistical conversion SQL statement, realize statistical conversion to be migrated.
Further alternatively, on the basis of the technical scheme of above-described embodiment, wherein after step (3) " performs statistical conversion SQL statement to the source database of access; realize statistical conversion to be migrated ", can also comprise: the prompting message recording " statistical conversion to be migrated completes " in repository.
It should be noted that, in the embodiment of the present invention, be with a data instance to be migrated to describe technical scheme of the present invention, and in practical application, data migration device, can be identical to each Data Migration flow process to be migrated in data migration process.Namely to each data to be migrated, after statistical conversion, the prompting message that capital is recorded in repository " statistical conversion to be migrated completes ", therefore the technical scheme of the present embodiment can represent the progress of Data Migration, the progress that user checks Data Migration can be convenient to, compensate in prior art cannot the defect of monitor data migration progress, effectively improves the dirigibility carrying out Data Migration between disparate databases.
Further alternatively, on the basis of the technical scheme of above-described embodiment, wherein after step (3) " performs statistical conversion SQL statement to the source database of access; realize statistical conversion to be migrated ", can also comprise: according to the data to be migrated of derivation and the parameter information of target database, generate the data being applicable to target database syntax rule and insert SQL statement.
Further alternatively, on the basis of the technical scheme of above-described embodiment, wherein step 102 " parameter information of the parameter information of the table belonging to data to be migrated in source database, transition condition and target database, builds table in target database ", specifically can comprise the steps:
The parameter information of the parameter information of (a) table belonging to data to be migrated in source database, transition condition and target database, generate be applicable to target database syntax rule build table SQL statement;
B () is according to the parameter information access destination database of target database;
Such as according to IP address and the port numbers of the target database in repository, and the login link information comprising username and password can access destination database.
C () performs and builds table SQL statement in the target database of access, realize building table in target database.
Further alternatively, on the basis of the technical scheme of above-described embodiment, wherein step 103 " in the table that the data importing to be migrated of deriving from source database is built to target database ", specifically can comprise: in table, perform data insert SQL statement, realize data importing to be migrated in table.
Further alternatively, on the basis of the technical scheme of above-described embodiment, perform in table data insert SQL statement, realize by data importing to be migrated to table in after, can also comprise: the prompting message recording " data importing success to be migrated, has moved " in repository.
In like manner, the data to be migrated to each, after data importing, the prompting message that capital is recorded in repository " data importing success to be migrated; moved ", therefore the technical scheme of the present embodiment can represent the progress of Data Migration, can be convenient to the progress that user checks Data Migration, compensate in prior art cannot the defect of monitor data migration progress, effectively improves the dirigibility carrying out Data Migration between disparate databases.
All alternatives in above-described embodiment can adopt combinable mode combination in any, and form optional embodiment of the present invention, this is no longer going to repeat them.
The data migration method that the present embodiment provides, can be applicable to the migration of data between any two kinds of databases, be not limited to the Data Migration between two kinds of fixed data storehouses, and Data Migration mode is comparatively flexible, very easy to use.And adopt the technical scheme of the present embodiment, can flexible configuration thus realize carrying out Data Migration between two databases, thus the cost of database migration can be saved, improve the efficiency of Data Migration.And, can to the monitoring state of each data to be migrated, compensate in prior art cannot the defect of monitor data migration progress, effectively improves the dirigibility carrying out Data Migration between disparate databases.
The process flow diagram of the data migration method that Fig. 2 provides for another embodiment of the present invention.The data migration method of the present embodiment, on the basis of the technical scheme of above-mentioned embodiment illustrated in fig. 1 and embodiment, introduces technical scheme of the present invention further in further detail.As shown in Figure 2, the data migration method of the present embodiment, specifically can comprise the steps:
200, repository is generated;
The repository of the present embodiment comprises parameter information and the transition condition of the table in the parameter information of source database, the parameter information of target database, source database belonging to data to be migrated.This step is identical with step 100, in detail see the record in step 100, does not repeat them here.
201, according to the parameter information access originator database of the source database in repository;
The parameter information of the table 202, belonging to data to be migrated in source database and transition condition generate statistical conversion SQL statement;
203, in the source database of access, perform statistical conversion SQL statement, realize statistical conversion to be migrated;
204, in repository, record the prompting message of " statistical conversion to be migrated completes ";
205, according to the data to be migrated of derivation and the parameter information of target database, generate the data being applicable to target database syntax rule and insert SQL statement;
Wherein step 204 and step 205 can not have sequencing to limit.
The parameter information of the parameter information of the table 206, belonging to data to be migrated in source database, transition condition and target database, generate be applicable to target database syntax rule build table SQL statement;
207, according to the parameter information access destination database of target database;
208, in the target database of access, table SQL statement is built in execution, realizes building table in target database;
209, in table, perform data insert SQL statement, realize data importing to be migrated in table;
210, in repository, record the prompting message of " data importing success to be migrated, has moved ".
The enforcement of concrete steps, in detail also with reference to above-mentioned alternatives embodiment illustrated in fig. 1, can not repeat them here.
The data migration method that the present embodiment provides, can be applicable to the migration of data between any two kinds of databases, be not limited to the Data Migration between two kinds of fixed data storehouses, and Data Migration mode is comparatively flexible, very easy to use.And adopt the technical scheme of the present embodiment, can flexible configuration thus realize carrying out Data Migration between two databases, thus the cost of database migration can be saved, improve the efficiency of Data Migration.And, can to the monitoring state of each data to be migrated, compensate in prior art cannot the defect of monitor data migration progress, effectively improves the dirigibility carrying out Data Migration between disparate databases.
The structural representation of the data migration device that Fig. 3 provides for one embodiment of the invention.As shown in Figure 3, the data migration device of the present embodiment, specifically can comprise: generation module 10, derive module 11, build table module 12 and import module 13.
Wherein generation module 10 is for generating repository, and this repository comprises parameter information and the transition condition of the table in the parameter information of source database, the parameter information of target database, source database belonging to data to be migrated; In detail can with reference to the record of above-mentioned related method embodiment.Derive module 11 to be connected with generation module 10, derivation module 11 for the parameter information of the table belonging to data to be migrated in the parameter information according to the source database in repository, source database and transition condition, by statistical conversion to be migrated; Build table module 12 to be connected with generation module 10, build the parameter information of table module 12 for the parameter information of the table in the source database in the repository that generates according to generation module 10 belonging to data to be migrated, transition condition and target database, in target database, build table; Import module 13 respectively with derivation module 11 with build and show module 12 and be connected, import module 13 and show in table that module 12 builds for the data importing to be migrated of deriving module 11 deriving from source database is built to target database.
The data migration device of the present embodiment, identical with the realization mechanism of above-mentioned related method embodiment by adopting above-mentioned module to realize Data Migration, with reference to the record of above-mentioned related method embodiment, can also not repeat them here in detail.
The data migration device of the present embodiment, by adopting above-mentioned CMOS macro cell repository, this repository comprises parameter information and the transition condition of the table in the parameter information of source database, the parameter information of target database, source database belonging to data to be migrated; According to parameter information and the transition condition of the table in the parameter information of the source database in repository, source database belonging to data to be migrated, by statistical conversion to be migrated; The parameter information of the parameter information of the table belonging to data to be migrated in source database, transition condition and target database, builds table in target database; In the table that the data importing to be migrated of deriving from source database is built to target database.Adopt the technical scheme of the present embodiment, can be applicable to the migration of data between any two kinds of databases, be not limited to the Data Migration between two kinds of fixed data storehouses, Data Migration mode is comparatively flexible, very easy to use.And adopt the technical scheme of the present embodiment, and can self-defined transition condition, generate configuration information flexibly according to demand, thus realize carrying out Data Migration between two databases, thus the cost of database migration can be saved, improve the efficiency of Data Migration.
The structural representation of the data migration device that Fig. 4 provides for another embodiment of the present invention.As shown in Figure 4, the data migration device of the present embodiment, on the basis of above-mentioned technical scheme embodiment illustrated in fig. 3, specifically can also comprise following technical scheme.
In the data migration device of the present embodiment, derive module 11 specifically for the parameter information access originator database according to the source database in repository; The parameter information of the table belonging to data to be migrated in source database and transition condition generate statistical conversion SQL statement; Perform statistical conversion SQL statement at the source database of access, realize statistical conversion to be migrated.
Alternatively, logging modle 14 is also comprised in the data migration device of the present embodiment.This logging modle 14 is connected with generation module 10, logging modle 14 is for deriving the source database execution statistical conversion SQL statement of module 11 to access, realize after statistical conversion to be migrated, the prompting message of record " statistical conversion to be migrated completes " in the repository that generation module 10 generates.
Alternatively, in the data migration device of the present embodiment, generation module 10 is also for deriving the source database execution statistical conversion SQL statement of module 11 to access, realize after statistical conversion to be migrated, according to the data to be migrated of derivation and the parameter information of target database, generate the data being applicable to target database syntax rule and insert SQL statement.
Alternatively, in the data migration device of the present embodiment, build the parameter information of table module 12 specifically for the parameter information of the table belonging to data to be migrated in source database, transition condition and target database, generate be applicable to target database syntax rule build table SQL statement; According to the parameter information access destination database of target database; Perform in the target database of access and build table SQL statement, realize building table in target database.
Alternatively, in the data migration device of the present embodiment, importing module 13 and insert SQL statement specifically for performing data in table, realizing data importing to be migrated to building in the table set up of table module 12.
Alternatively, in the data migration device of the present embodiment, logging modle 14 also inserts SQL statement for performing data in importing module 13 in table, realize by data importing to be migrated to table in after, the prompting message of record " data importing success to be migrated, has moved " in the repository that generation module 10 generates.
All alternatives in above-described embodiment can adopt combinable mode combination in any, and form optional embodiment of the present invention, this is no longer going to repeat them.
The data migration device of the present embodiment, identical with the realization mechanism of above-mentioned related method embodiment by adopting above-mentioned module to realize Data Migration, with reference to the record of above-mentioned related method embodiment, can also not repeat them here in detail.
The data migration device that the present embodiment provides, by the migration adopting above-mentioned module can be applicable to data between any two kinds of databases, is not limited to the Data Migration between two kinds of fixed data storehouses, and Data Migration mode is comparatively flexible, very easy to use.And adopt the technical scheme of the present embodiment, can flexible configuration thus realize carrying out Data Migration between two databases, thus the cost of database migration can be saved, improve the efficiency of Data Migration.And, can to the monitoring state of each data to be migrated, compensate in prior art cannot the defect of monitor data migration progress, effectively improves the dirigibility carrying out Data Migration between disparate databases.Moreover the technical scheme of the present embodiment can represent the progress of Data Migration, compensate in prior art cannot the defect of monitor data migration progress, effectively improves the dirigibility carrying out Data Migration between disparate databases.
Fig. 5 is a kind of terminal device structural representation that the embodiment of the present invention provides.See Fig. 5, this terminal device may be used for the data migration method implementing to provide in above-described embodiment.Specifically:
Terminal device 800 can comprise communication unit 110, includes the storer 120 of one or more computer-readable recording mediums, input block 130, display unit 140, sensor 150, voicefrequency circuit 160, WiFi (wireless fidelity, Wireless Fidelity) module 170, include the parts such as processor 180 and power supply 190 that more than or processes core.It will be understood by those skilled in the art that the terminal device structure shown in Fig. 5 does not form the restriction to terminal device, the parts more more or less than diagram can be comprised, or combine some parts, or different parts are arranged.Wherein:
Communication unit 110 can be used for receiving and sending messages or in communication process, the reception of signal and transmission, and this communication unit 110 can be RF(Radio Frequency, radio frequency) circuit, router, modulator-demodular unit, etc. network communication equipment.Especially, when communication unit 110 is RF circuit, after being received by the downlink information of base station, more than one or one processor 180 is transferred to process; In addition, base station is sent to by relating to up data.Usually, RF circuit as communication unit includes but not limited to antenna, at least one amplifier, tuner, one or more oscillator, subscriber identity module (SIM) card, transceiver, coupling mechanism, LNA(Low Noise Amplifier, low noise amplifier), diplexer etc.In addition, communication unit 110 can also by radio communication and network and other devices communicatings.Described radio communication can use arbitrary communication standard or agreement, include but not limited to GSM (Global System of Mobile communication, global system for mobile communications), GPRS (General Packet Radio Service, general packet radio service), CDMA (Code Division Multiple Access, CDMA), WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access (WCDMA)), LTE (Long Term Evolution, Long Term Evolution), Email, SMS (Short Messaging Service, Short Message Service) etc.Storer 120 can be used for storing software program and module, and processor 180 is stored in software program and the module of storer 120 by running, thus performs the application of various function and data processing.Storer 120 mainly can comprise storage program district and store data field, and wherein, storage program district can store operating system, application program (such as sound-playing function, image player function etc.) etc. needed at least one function; Store data field and can store the data (such as voice data, phone directory etc.) etc. created according to the use of terminal device 800.In addition, storer 120 can comprise high-speed random access memory, can also comprise nonvolatile memory, such as at least one disk memory, flush memory device or other volatile solid-state parts.Correspondingly, storer 120 can also comprise Memory Controller, to provide the access of processor 180 and input block 130 pairs of storeies 120.
Input block 130 can be used for the numeral or the character information that receive input, and produces and to arrange with user and function controls relevant keyboard, mouse, control lever, optics or trace ball signal and inputs.Particularly, input block 130 can comprise Touch sensitive surface 131 and other input equipments 132.Touch sensitive surface 131, also referred to as touch display screen or Trackpad, user can be collected or neighbouring touch operation (such as user uses any applicable object or the operations of annex on Touch sensitive surface 131 or near Touch sensitive surface 131 such as finger, stylus) thereon, and drive corresponding coupling arrangement according to the formula preset.Optionally, Touch sensitive surface 131 can comprise touch detecting apparatus and touch controller two parts.Wherein, touch detecting apparatus detects the touch orientation of user, and detects the signal that touch operation brings, and sends signal to touch controller; Touch controller receives touch information from touch detecting apparatus, and converts it to contact coordinate, then gives processor 180, and the order that energy receiving processor 180 is sent also is performed.In addition, the polytypes such as resistance-type, condenser type, infrared ray and surface acoustic wave can be adopted to realize Touch sensitive surface 131.Except Touch sensitive surface 131, input block 130 can also comprise other input equipments 132.Particularly, other input equipments 132 can include but not limited to one or more in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, control lever etc.
Display unit 140 can be used for the various graphical user interface showing information or the information being supplied to user and the terminal device 800 inputted by user, and these graphical user interface can be made up of figure, text, icon, video and its combination in any.Display unit 140 can comprise display panel 141, optionally, the form such as LCD (Liquid Crystal Display, liquid crystal display), OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode) can be adopted to configure display panel 141.Further, Touch sensitive surface 131 can cover display panel 141, when Touch sensitive surface 131 detects thereon or after neighbouring touch operation, send processor 180 to determine the type of touch event, on display panel 141, provide corresponding vision to export with preprocessor 180 according to the type of touch event.Although in Figure 5, Touch sensitive surface 131 and display panel 141 be as two independently parts realize input and input function, in certain embodiments, can by Touch sensitive surface 131 and display panel 141 integrated and realize input and output function.
Terminal device 800 also can comprise at least one sensor 150, such as optical sensor, motion sensor and other sensors.Particularly, optical sensor can comprise ambient light sensor and proximity transducer, and wherein, ambient light sensor the light and shade of environmentally light can regulate the brightness of display panel 141, proximity transducer when terminal device 800 moves in one's ear, can cut out display panel 141 and/or backlight.As the one of motion sensor; Gravity accelerometer can detect the size of all directions (are generally three axles) acceleration; size and the direction of gravity can be detected time static, can be used for identifying the application (such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating) of mobile phone attitude, Vibration identification correlation function (such as passometer, knock) etc.; As for terminal device 800 also other sensors such as configurable gyroscope, barometer, hygrometer, thermometer, infrared ray sensor, do not repeat them here.
Voicefrequency circuit 160, loudspeaker 161, microphone 162 can provide the audio interface between user and terminal device 800.Voicefrequency circuit 160 can by receive voice data conversion after electric signal, be transferred to loudspeaker 161, by loudspeaker 161 be converted to voice signal export; On the other hand, the voice signal of collection is converted to electric signal by microphone 162, voice data is converted to after being received by voicefrequency circuit 160, after again voice data output processor 180 being processed, through RF circuit 110 to send to such as another terminal device, or export voice data to storer 120 to process further.Voicefrequency circuit 160 also may comprise earphone jack, believes to provide the logical figure of peripheral hardware earphone and terminal device 800.
In order to realize radio communication, this terminal device can be configured with wireless communication unit 170, this wireless communication unit 170 can be WiFi module.WiFi belongs to short range wireless transmission technology, and terminal device 800 can help user to send and receive e-mail by wireless communication unit 170, browse webpage and access streaming video etc., and its broadband internet wireless for user provides is accessed.Although Fig. 5 shows wireless communication unit 170, be understandable that, it does not belong to must forming of terminal device 800, can omit in the scope of essence not changing invention as required completely.
Processor 180 is control centers of terminal device 800, utilize the various piece of various interface and the whole mobile phone of connection, software program in storer 120 and/or module is stored in by running or performing, and call the data be stored in storer 120, perform various function and the process data of terminal device 800, thus integral monitoring is carried out to mobile phone.Optionally, processor 180 can comprise one or more process core; Preferably, processor 180 accessible site application processor and modem processor, wherein, application processor mainly processes operating system, user interface and application program etc., and modem processor mainly processes radio communication.Be understandable that, above-mentioned modem processor also can not be integrated in processor 180.
Terminal device 800 also comprises the power supply 190(such as battery of powering to all parts), preferably, power supply can be connected with processor 180 logic by power-supply management system, thus realizes the functions such as management charging, electric discharge and power managed by power-supply management system.Power supply 190 can also comprise one or more direct current or AC power, recharging system, power failure detection circuit, power supply changeover device or the random component such as inverter, power supply status indicator.
Although not shown, terminal device 800 can also comprise camera, bluetooth module etc., does not repeat them here.Specifically in the present embodiment, the display unit of terminal device is touch-screen display, terminal device also includes storer, and one or more than one program, one of them or more than one program are stored in storer, and be configured to perform described more than one or one routine package containing the instruction for carrying out following operation by more than one or one processor: generate repository, described repository comprises the parameter information of source database, the parameter information of target database, the parameter information of the table in described source database belonging to data to be migrated and transition condition,
According to parameter information and the described transition condition of the table in the parameter information of the described source database in described repository, described source database belonging to data to be migrated, by described statistical conversion to be migrated;
The parameter information of the parameter information of the table belonging to data to be migrated in described source database, described transition condition and described target database, builds table in described target database;
By in the described table built in the data importing described to be migrated of deriving from described source database to described target database.
Alternatively, this storer is also for storing to give an order: the parameter information according to the described source database in described repository accesses described source database;
The parameter information of the table belonging to data to be migrated described in described source database and described transition condition generate statistical conversion SQL statement;
Perform described statistical conversion SQL statement at the described source database of access, realize described statistical conversion to be migrated.
Alternatively, this storer is also for storing to give an order: the prompting message recording " described statistical conversion to be migrated completes " in described repository.
Alternatively, this storer is also for storing to give an order: according to the data described to be migrated of derivation and the parameter information of described target database, generates the data being applicable to described target database syntax rule and inserts SQL statement.
Alternatively, this storer is also for storing to give an order: the parameter information of the parameter information of the table belonging to data to be migrated in described source database, described transition condition and described target database, generate be applicable to described target database syntax rule build table SQL statement;
Described target database is accessed according to the parameter information of described target database;
Build table SQL statement described in performing in the described target database of access, realize building described table in described target database.
Alternatively, this storer is also for storing to give an order: perform described data in the table and insert SQL statement, realizes in described data importing to be migrated to described table.
Alternatively, this storer is also for storing to give an order: the prompting message recording " described data importing success to be migrated, has moved " in described repository.
It should be noted that: the data migration device that above-described embodiment provides is when Data Migration, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, inner structure by device is divided into different functional modules, to complete all or part of function described above.In addition, the data migration device that above-described embodiment provides and data migration method embodiment belong to same design, and its specific implementation process refers to embodiment of the method, repeats no more here.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be ROM (read-only memory), disk or CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. a data migration method, is characterized in that, described method comprises:
Generate repository, described repository comprises parameter information and the transition condition of the table in the parameter information of source database, the parameter information of target database, described source database belonging to data to be migrated;
According to parameter information and the described transition condition of the table in the parameter information of the described source database in described repository, described source database belonging to data to be migrated, by described statistical conversion to be migrated;
The parameter information of the parameter information of the table belonging to data to be migrated in described source database, described transition condition and described target database, builds table in described target database;
By in the described table built in the data importing described to be migrated of deriving from described source database to described target database.
2. method according to claim 1, it is characterized in that, according to parameter information and the described transition condition of the table in the parameter information of the described source database in described repository, described source database belonging to data to be migrated, by described statistical conversion to be migrated, comprising:
Parameter information according to the described source database in described repository accesses described source database;
The parameter information of the table belonging to data to be migrated described in described source database and described transition condition generate statistical conversion Structured Query Language (SQL) statement;
In the described source database of access, perform described statistical conversion Structured Query Language (SQL) statement, realize described statistical conversion to be migrated.
3. method according to claim 2, is characterized in that, the described described source database to access performs described statistical conversion Structured Query Language (SQL) statement, and realize after described statistical conversion to be migrated, described method also comprises:
The prompting message of " described statistical conversion to be migrated completes " is recorded in described repository.
4. method according to claim 2, is characterized in that, performs described statistical conversion Structured Query Language (SQL) statement to the described source database of access, and realize after described statistical conversion to be migrated, described method also comprises:
According to the data described to be migrated of derivation and the parameter information of described target database, generate the data insert structure query language statement being applicable to described target database syntax rule.
5. method according to claim 4, is characterized in that, the parameter information of the parameter information of the table belonging to data to be migrated in described source database, described transition condition and described target database, builds table, comprising in described target database:
The parameter information of the parameter information of the table belonging to data to be migrated in described source database, described transition condition and described target database, generate be applicable to described target database syntax rule build list structure query language statement;
Described target database is accessed according to the parameter information of described target database;
Build list structure query language statement described in performing in the described target database of access, realize building described table in described target database.
6. method according to claim 5, is characterized in that, by the described table built in the data importing described to be migrated of deriving from described source database to described target database, comprising:
Perform described data insert structure query language statement in the table, realize in described data importing to be migrated to described table.
7. method according to claim 6, is characterized in that, performs described data insert structure query language statement in the table, realize will described data importing to be migrated extremely in described table after, described method also comprises:
The prompting message of " described data importing success to be migrated, has moved " is recorded in described repository.
8. a data migration device, is characterized in that, described device comprises:
Generation module, for generating repository, described repository comprises parameter information and the transition condition of the table in the parameter information of source database, the parameter information of target database, described source database belonging to data to be migrated;
Derive module, for parameter information and the described transition condition of the table in the parameter information according to the described source database in described repository, described source database belonging to data to be migrated, by described statistical conversion to be migrated;
Build table module, for the parameter information of the parameter information of the table belonging to data to be migrated in described source database, described transition condition and described target database, in described target database, build table;
Import module, in described table that will build in the data importing described to be migrated of deriving from described source database to described target database.
9. device according to claim 8, is characterized in that, described derivation module, specifically for accessing described source database according to the parameter information of the described source database in described repository; The parameter information of the table belonging to data to be migrated described in described source database and described transition condition generate statistical conversion Structured Query Language (SQL) statement; In the described source database of access, perform described statistical conversion Structured Query Language (SQL) statement, realize described statistical conversion to be migrated.
10. device according to claim 9, is characterized in that, described device also comprises:
Logging modle, for performing described statistical conversion Structured Query Language (SQL) statement at the described source database of described derivation module to access, realize after described statistical conversion to be migrated, in described repository, record the prompting message of " described statistical conversion to be migrated completes ".
11. devices according to claim 9, it is characterized in that, described generation module, also for performing described statistical conversion Structured Query Language (SQL) statement at the described source database of described derivation module to access, realize after described statistical conversion to be migrated, according to the data described to be migrated of derivation and the parameter information of described target database, generate the data insert structure query language statement being applicable to described target database syntax rule.
12. devices according to claim 11, it is characterized in that, describedly build table module, specifically for the parameter information of the parameter information of the table belonging to data to be migrated in described source database, described transition condition and described target database, generate be applicable to described target database syntax rule build list structure query language statement; Described target database is accessed according to the parameter information of described target database; Build list structure query language statement described in performing in the described target database of access, realize building described table in described target database.
13. devices according to claim 12, is characterized in that, described importing module, specifically for performing described data insert structure query language statement in the table, realize in described data importing to be migrated to described table.
14. devices according to claim 13, it is characterized in that, described logging modle, also for performing described data insert structure query language statement in the table in described importing module, realize will described data importing to be migrated extremely in described table after, the prompting message of " described data importing success to be migrated, has moved " is recorded in described repository.
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| PCT/CN2014/085897 WO2015039564A1 (en) | 2013-09-18 | 2014-09-04 | Method and apparatus for data migration |
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| CN201310429783.0A CN104462119B (en) | 2013-09-18 | 2013-09-18 | Data migration method and device |
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| WO2015039564A1 (en) | 2015-03-26 |
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