CN112486546A - SQLITE database upgrading method, device, terminal and system - Google Patents
SQLITE database upgrading method, device, terminal and system Download PDFInfo
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- 238000004590 computer program Methods 0.000 claims description 7
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- G06F8/60—Software deployment
- G06F8/65—Updates
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/21—Design, administration or maintenance of databases
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/70—Software maintenance or management
- G06F8/71—Version control; Configuration management
Abstract
The invention relates to an SQLITE database upgrading method, device, terminal and system. The method comprises the following steps: acquiring database version information of an SQLITE database and software version information of corresponding client software; judging whether the database version information is matched with the software version information; and if not, performing table structure upgrading operation on the SQLITE database according to the difference upgrading file. According to the method, the version of the database is updated by matching the software version information with the database version information, so that the problem of database table structure change caused by client software update is solved.
Description
Technical Field
The invention relates to the technical field of database upgrading, in particular to a SQLITE database upgrading method, device, terminal and system.
Background
With the popularization of terminal system application, more and more client software is put into use. The client software needs to run under the support of a database, and the database provides data support for the client software. With the continuous improvement of user requirements, the functions of client software are continuously increased and the versions are upgraded. With the increase of software functions, the database must be updated at this time to provide data support for the client software.
The existing client software mostly uses the SQLITE database, and when the client software uses the SQLITE database to perform software operation, software upgrading and updating are often required. However, the client software does not perform difference processing on the locally existing SQLITE database, that is, the SQLITE database is not updated. This situation will cause incompatibility between the database and the software version, and the client software cannot be used normally because the database version is different from the software version.
Disclosure of Invention
In view of this, the present invention provides a method, an apparatus, a terminal and a system for upgrading an SQLITE database to overcome the shortcomings of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a SQLITE database upgrading method comprises the following steps:
acquiring database version information of an SQLITE database and software version information of corresponding client software;
judging whether the database version information is matched with the software version information;
and if not, performing table structure upgrading operation on the SQLITE database according to the difference upgrading file.
Optionally, the method further includes:
receiving operation data of a user on the client software;
judging whether the client software is in a normal operation state or not according to the operation data;
and if the software version information is not in a normal operation state, the execution step acquires database version information of the SQLITE database and software version information of corresponding client software.
Optionally, the operation data includes the software version information;
the acquiring of the database version information of the SQLITE database and the software version information of the corresponding client software comprises the following steps:
reading the database version information stored in the SQLITE database;
and analyzing the software version information in the operation data.
Optionally, the method further includes:
and generating the difference upgrading file according to the operation data of the user on the client software.
Optionally, the difference upgrade file includes table upgrade information and field upgrade information;
the upgrading operation of the table structure is carried out on the SQLITE database according to the difference upgrading file, and the steps of:
calling the difference upgrading file;
and updating the SQLITE database according to the table upgrading information and/or the field upgrading information.
Optionally, the updating the SQLITE database according to the table upgrade information and/or the field upgrade information includes:
reading and analyzing the operation data contained in the table upgrading information; the table upgrade information includes a table name;
if the table adding instruction exists, a new table corresponding to the table name is created in the SQLITE database;
if yes, deleting the table of the table name in the SQLITE database;
and/or reading and analyzing the operation data contained in the field upgrading information;
if the field adding instruction exists, adding a corresponding field in the SQLITE database;
and if the field is a delete field instruction, deleting the corresponding field in the SQLITE database.
Optionally, the method further includes:
creating a system table;
adding a version field in the system table; the version field stores the database version information.
An SQLITE database upgrading device, comprising:
the version information acquisition module is used for acquiring database version information of the SQLITE database and software version information of corresponding client software;
the version matching module is used for judging whether the database version information is matched with the software version information;
and the database upgrading module is used for upgrading the table structure of the SQLITE database according to the difference upgrading file if the SQLITE database is not matched with the database.
An SQLITE database upgrade terminal, comprising:
a processor, and a memory coupled to the processor;
the memory is used for storing a computer program, and the computer program is at least used for executing the SQLITE database upgrading method;
the processor is used for calling and executing the computer program in the memory.
An SQLITE database upgrade system, comprising:
the system comprises an SQLITE database, client software and the database upgrading terminal which is respectively in communication connection with the SQLITE database and the client software.
The technical scheme provided by the application can comprise the following beneficial effects:
a SQLITE database upgrading method comprises the following steps: acquiring database version information of an SQLITE database and software version information of corresponding client software; judging whether the database version information is matched with the software version information; and if not, performing table structure upgrading operation on the SQLITE database according to the difference upgrading file. In the method, the database version and the client software version are matched, and when the database version and the client software version are not matched, the SQLITE database is subjected to version upgrading. The method realizes version upgrading of the SQLITE database and solves the problem of database table structure change caused by client software upgrading.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flowchart of a SQLITE database upgrading method according to an embodiment of the present invention;
FIG. 2 is a flowchart of a SQLITE database upgrading method according to another embodiment of the present invention;
FIG. 3 is a block diagram of a SQLITE database upgrade apparatus according to an embodiment of the present invention;
fig. 4 is a structural diagram of an SQLITE database upgrade terminal according to an embodiment of the present invention;
fig. 5 is a block diagram of an SQLITE database upgrade system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
When a user uses client software, after the version of the client software is updated, the corresponding database version is still the original old version, and at this time, the database needs to be updated, and the specific operation process is as follows.
Fig. 1 is a flowchart of a SQLITE database upgrading method according to an embodiment of the present invention. Referring to fig. 1, a SQLITE database upgrading method includes:
step 101: and acquiring database version information of the SQLITE database and software version information of corresponding client software. When a user uses client software, the software can be connected with the database in the using process, and after connection is established each time, version information of the SQLITE database is acquired in a system table pre-created by the database. The software version information of the client software is obtained from the operation data sent by the software.
Step 102: and judging whether the database version information is matched with the software version information. And the database version information and the software version information matching standard are determined according to the software version type and the database version type. For example: the database version information in the system table in the database is 1.0 version of the database, the software version information of the client software is 2.0 version of the software, and the versions of the database and the client software are not matched. It should be noted that the relationship between the specific version of the database and the specific version of the software is not only fixed, but is not limited to the database 1.0 corresponding to the software 1.0, and the specific matching relationship may be determined according to actual situations as long as the database can support the software to run.
Step 103: and if not, performing table structure upgrading operation on the SQLITE database according to the difference upgrading file. The difference upgrading file is generated according to the operation data of the user in the client software. When upgrading the database, actually updating the table structure in the database, and the operation of updating the table structure specifically includes: add/delete table, add/delete field.
According to the method, the database version is matched with the client software version, so that the SQLITE database is updated, the problem of database table structure change caused by client software updating is solved, the situation that software cannot be normally used due to mismatching of client software and the database version is avoided, and user experience is improved.
In order to describe the scheme in the present application in more detail, on the basis of the above embodiments, the present application further discloses another embodiment, which is specifically as follows:
fig. 2 is a flowchart of a SQLITE database upgrading method according to another embodiment of the present invention. Referring to fig. 2, a SQLITE database upgrading method includes:
step 201: a system table is created. When the database upgrading system is initialized, a system table is firstly created for storing the version information of the SQLITE database, and the version information is stored in a version field.
Step 202: adding a version field in the system table; the version field stores the database version information.
Step 203: and receiving operation data of a user on the client software. The method comprises the steps that a user carries out interactive operation on client software, when the user uses the software, a software background calls a database, meanwhile, operation data are generated according to operation behaviors of the user on the software, the operation data are sent to an SQLITE database, and the operation data contain software version information used by the user at present.
Step 204: and judging whether the client software is in a normal running state or not according to the operation data. And when the operation data contains the data of the normal data request class or the content of the feedback data and the like, determining that the client software is in the normal operation state, and if the operation data contains the data of the error prompt and the like, determining that the current client software is not in the normal operation state. At this time, the current abnormal situation of the software needs to be analyzed to determine whether the database version is abnormal because of the mismatch between the database version and the software version. It should be noted that the condition for determining whether the software is operating normally is not unique and may be determined according to the type and operating condition of the software. When the client software normally runs, the operation data is continuously received.
Step 205: and if the client software is not in a normal running state, generating a difference upgrade file according to the operation data, and acquiring database version information of the SQLITE database and software version information of the corresponding client software. The system table in the database can store database version information, and the database version information can be obtained only by calling the specific content of the version field in the system table. The received operation data of the user contains software version information, and the operation data is only needed to be analyzed to obtain the software version information. Meanwhile, after receiving the operation data, the system generates a difference upgrade file according to the operation data, wherein the difference upgrade file is created in advance, and when a user uses client software to generate the operation data, the system receives the operation data and then automatically stores the operation data into the difference upgrade file, and the difference upgrade file stores the software version information of the current client software. It should be noted that the types of data stored in the difference upgrade file are not fixed, and are not limited to software version information, and other types of data may also be stored according to actual requirements.
Step 206: and judging whether the database version information is matched with the software version information. For example, if the software version of the client software is 2.0, the database version is also 2.0, so as to ensure that the client software operates normally. When the database version is matched with the software version, version upgrading of the database is not needed.
Step 207: and when the database version information is not matched with the software version information, calling the difference upgrading file. The software version information of the client software and the data of the client software are stored in the difference upgrading file, data different from the current version data of the database can be obtained according to the related data, and the upgrading file of the database, namely the difference upgrading file, can be generated according to the different data.
Step 208: and updating the SQLITE database according to the table upgrading information and/or the field upgrading information. When the database is upgraded, the table structure in the database is upgraded, and the specific method comprises the following steps: and the table is subjected to addition and deletion modification, and fields in the table are subjected to addition and deletion modification. When adding or deleting the database, the specific updating process comprises the following steps: reading and analyzing the operation data contained in the table upgrading information; the table upgrade information includes a table name; if the table adding instruction exists, a new table corresponding to the table name is created in the SQLITE database; if yes, deleting the table of the table name in the SQLITE database; and/or reading and analyzing the operation data contained in the field upgrading information; if the field adding instruction exists, adding a corresponding field in the SQLITE database; and if the field is a delete field instruction, deleting the corresponding field in the SQLITE database.
For a clearer introduction of the upgrading scheme in the present application, the description is now given by way of example, specifically as follows:
the user A uses the client software B to carry out communication chat, the version of the current software B is android1.0, and the version of the SQLITE database is 1.0. The current software B has the functions of sending text information and static pictures, the user A upgrades the software B in a certain day, the software version is upgraded to android2.0, and the functions of viewing the moving picture and sending voice are added. At this time, the version of the SQLITE database is still 1.0, the data stored in the database is still the data supporting the sending or receiving of the text information and the static pictures, and at this time, the data in the SQLITE database does not support the functions of viewing the moving pictures and sending the voice, so even if the software version is android2.0, the functions of viewing the moving pictures and sending the voice cannot be used. According to the system, the database version and the software version are judged to be inconsistent, so that the newly added functions in the software cannot run normally, and the database needs to be updated. When a user A sends voice on a software B, corresponding operation data can be generated and sent to the application system, the application system can create a difference upgrade file, version information of the software B and SQL sentences corresponding to the voice sending function can be stored in the file, at the moment, the system executes the SQL sentences in the difference upgrade file to upgrade a database, after the SQL sentences are executed, a system table corresponding to the voice function is added in the database, and the table can store data required for supporting the voice function of the software B. At this time, the database version is upgraded and updated, and the voice function of the software B can be supported.
In the embodiment, the version of the database is upgraded by matching the client software version with the database version, so that the problem of database table structure change caused by client software upgrade is solved.
Corresponding to the SQLITE database upgrading method provided by the embodiment of the invention, the embodiment of the invention also provides an SQLITE database upgrading device. Please see the examples below.
Fig. 3 is a block diagram of an apparatus for upgrading a SQLITE database according to an embodiment of the present invention. Referring to fig. 3, a SQLITE database upgrade apparatus includes:
the version information acquisition module 301 is configured to acquire database version information of the SQLITE database and software version information of corresponding client software;
a version matching module 302, configured to determine whether the database version information and the software version information are matched;
and the database upgrading module 303 is configured to, if the difference updating file is not matched with the table structure of the SQLITE database, perform an upgrading operation of the table structure on the SQLITE database according to the difference updating file.
On the basis of the above embodiments, the present application also discloses:
the table creating module is used for creating a system table;
the version field adding module is used for adding a version field in the system table; the version field stores the database version information.
And the upgrade file generation module is used for generating the difference upgrade file according to the operation data of the user on the client software.
The database upgrade module 303 is specifically configured to: calling the difference upgrading file; and updating the SQLITE database according to the table upgrading information and/or the field upgrading information.
According to the device, the database version is upgraded, so that the problem of database table structure change caused by client software upgrading is solved.
In order to more clearly introduce a hardware system for implementing the embodiment of the present invention, an embodiment of the present invention further provides an upgrading system for an SQLITE database, which corresponds to the SQLITE database upgrading method provided by the embodiment of the present invention. Please see the examples below.
Fig. 4 is a structural diagram of an SQLITE database upgrade terminal according to an embodiment of the present invention. Referring to fig. 4, an advanced SQLITE database terminal includes:
a processor 401 and a memory 402 connected to the processor 401;
the memory 402 is used for storing a computer program at least for executing the SQLITE database upgrading method;
the processor 401 is used to call and execute the computer program in the memory 402.
Fig. 5 is a block diagram of an SQLITE database upgrade system according to an embodiment of the present invention. Referring to fig. 5, a SQLITE database upgrade system, comprising:
a SQLITE database 501, client software 502, and a database upgrading terminal 503 as described above, which is respectively connected with the SQLITE database 501 and the client software 502 in a communication manner.
The terminal and the system can upgrade the version of the database according to the matching degree of the software version and the database version, and the problem of database table structure change caused by client software upgrade is solved.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A SQLITE database upgrading method is characterized by comprising the following steps:
acquiring database version information of an SQLITE database and software version information of corresponding client software;
judging whether the database version information is matched with the software version information;
and if not, performing table structure upgrading operation on the SQLITE database according to the difference upgrading file.
2. The method of claim 1, further comprising:
receiving operation data of a user on the client software;
judging whether the client software is in a normal operation state or not according to the operation data;
and if the software version information is not in a normal operation state, the execution step acquires database version information of the SQLITE database and software version information of corresponding client software.
3. The method of claim 2, wherein the operational data includes the software version information;
the acquiring of the database version information of the SQLITE database and the software version information of the corresponding client software comprises the following steps:
reading the database version information stored in the SQLITE database;
and analyzing the software version information in the operation data.
4. The method of claim 2, further comprising:
and generating the difference upgrading file according to the operation data of the user on the client software.
5. The method of claim 1, wherein the differential upgrade file comprises table upgrade information and field upgrade information;
the upgrading operation of the table structure is carried out on the SQLITE database according to the difference upgrading file, and the steps of:
calling the difference upgrading file;
and updating the SQLITE database according to the table upgrading information and/or the field upgrading information.
6. The method of claim 5, wherein said updating the SQLITE database according to the table upgrade information and/or the field upgrade information comprises:
reading and analyzing the operation data contained in the table upgrading information; the table upgrade information includes a table name;
if the table adding instruction exists, a new table corresponding to the table name is created in the SQLITE database;
if yes, deleting the table of the table name in the SQLITE database;
and/or reading and analyzing the operation data contained in the field upgrading information;
if the field adding instruction exists, adding a corresponding field in the SQLITE database;
and if the field is a delete field instruction, deleting the corresponding field in the SQLITE database.
7. The method of claim 1, further comprising:
creating a system table;
adding a version field in the system table; the version field stores the database version information.
8. An SQLITE database upgrade device, comprising:
the version information acquisition module is used for acquiring database version information of the SQLITE database and software version information of corresponding client software;
the version matching module is used for judging whether the database version information is matched with the software version information;
and the database upgrading module is used for upgrading the table structure of the SQLITE database according to the difference upgrading file if the SQLITE database is not matched with the database.
9. An SQLITE database upgrade terminal, comprising:
a processor, and a memory coupled to the processor;
the memory for storing a computer program for performing at least the SQLITE database upgrade method of any one of claims 1-7;
the processor is used for calling and executing the computer program in the memory.
10. An SQLITE database upgrade system, comprising:
a SQLITE database, client software, and the database upgrade terminal of claim 9 communicatively connected to the SQLITE database and the client software, respectively.
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| CN202011504762.7A CN112486546A (en) | 2020-12-18 | 2020-12-18 | SQLITE database upgrading method, device, terminal and system |
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Cited By (1)
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