CN112650823B - Method, system, equipment and medium for generating track based on database real-time positioning - Google Patents
Method, system, equipment and medium for generating track based on database real-time positioning Download PDFInfo
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Abstract
The invention discloses a method, a system, equipment and a medium for generating a track based on database real-time positioning, wherein the method comprises the following steps: a database creation data table A, B; the data acquisition device acquires and stores positioning information of a user into the data table B; the data acquisition unit acquires and stores the latest positioning information of the user again and stores the latest positioning information into the data table A; the timer of the database compares whether the positioning information in the data table B is the same as the positioning information in the data table A, if so, the positioning information in the data table B is updated to the positioning information in the data table A, if not, a data table C is newly built in the database, the positioning information in the data table B and the positioning information in the data table A are spliced into a two-dimensional array in sequence, and the two-dimensional array is stored in the data table C; and inquiring the primary key of the data table C to obtain a two-dimensional array and obtain a track. The method directly uses the database to generate the track without background support, so that the background pressure can be reduced, and meanwhile, the method splices the positioning information into a two-dimensional array to form the track, thereby reducing the data volume of the database and improving the query speed.
Description
Technical Field
The present invention relates to the field of computer data processing, and in particular, to a method, system, device, and medium for generating a track based on database real-time positioning.
Background
In some public security projects, a large number of tracks are needed to be obtained to analyze the case situation to assist in breaking the case, but in some projects, various real-time positioning data can only be obtained for various reasons, and the tracks cannot be directly obtained.
Disclosure of Invention
The invention aims to overcome at least one defect (deficiency) of the prior art, and provides a method, a system, equipment and a medium for generating a track based on database real-time positioning, which are used for solving the problems of high operation pressure and blocking downtime when a track table is spliced by a background server or the problems of troublesome operation of building the background and regenerating the track table by the server without a background project.
The technical scheme adopted by the invention is that the method for generating the track based on database real-time positioning comprises the following steps:
a database creation data table A, B;
the data acquisition device acquires and stores positioning information of a plurality of users into the data table B;
the data acquisition unit acquires and stores the latest positioning information of a plurality of users again and stores the latest positioning information into the data table A;
the timer of the database compares whether the positioning information in the data table B is the same as the positioning information in the data table A, if so, the positioning information in the data table B is updated to the positioning information in the data table A, if not, a data table C is newly built in the database, the positioning information in the data table B and the positioning information in the data table A are spliced into a two-dimensional array in sequence, and the two-dimensional array is stored in the data table C;
and inquiring the primary key of the data table C to obtain a two-dimensional array and obtain a track.
The invention firstly establishes two data tables A, B in the database for storing information data, uses a data collector of the database to collect and store positioning information of a plurality of users into a data table B, and then collects the positioning information again into a data table A, which indicates that the positioning information recorded in the data table B is the positioning information of the last moment of the positioning information in the data table A. Then, the timer of the database is used to compare whether the positioning information in the data table B is the same as the positioning information in the data table A, i.e. whether the last positioning information of the user is the same as the latest positioning information. When the positioning information in the data table B is the same as the positioning information in the data table a, which means that the position of the user at the time of the two data acquisition is not changed, that is, there is no moving track, the positioning information in the data table B is updated to the positioning information in the data table a. When the positioning information in the data table B is the same as the positioning information in the data table a, it means that the position of the user is changed at the two moments, that is, there is a moving track, so that the data table C needs to be newly built in the database, and then the positioning information in the data table B and the positioning information in the data table a are sequentially spliced into a two-dimensional array, and stored in the data table C. Finally, the primary key of the data table C is queried to obtain the two-dimensional arrays in different primary keys, namely the tracks of all users. The primary key in the data table of the database is a unique identifier capable of determining a record and can be used for guaranteeing data integrity, so that the primary key can be used for distinguishing users without use, for example, unique identifier fields such as identity card numbers of all users can be set as primary key fields, and track information of all users can be conveniently queried according to the primary key. According to the method, the track table is directly generated by using the database through the real-time positioning information, background support is not needed, partial pressure can be shared by the database when the data volume is huge and the background logic is complex, the phenomena of slow blocking, downtime and the like of the background caused by excessive data volume are reduced, and the background and the server are not needed to be built for projects without the background.
Further, the method acquires the two-dimensional array when the primary key of the data table C is queried, and the method further comprises the following steps before acquiring the track:
the timer judges whether the positioning information in the data table A is the last element in the two-dimensional array in the data table C, if so, the positioning information in the data table B is updated to the positioning information in the data table A, and the step of returning to the data collector to collect and store the latest positioning information of a plurality of users again and storing the latest positioning information in the data table A; if not, the timer of the return database judges whether the positioning information in the data table B is the same as the positioning information in the data table A.
In this step, it is determined whether the positioning information in the data table a is the last element in the two-dimensional array in the data table C, so as to determine whether the previous step is performed correctly, and only if the previous step is performed correctly, the positioning information in the data table a will appear in the last element in the two-dimensional array in the data table C, because the positioning information in the data table B and the positioning information in the data table a are spliced into a two-dimensional array in sequence in the previous step, and after it is determined that the positioning information in the data table a is the last element in the two-dimensional array in the data table C, the positioning information in the data table B is updated to the positioning information in the data table a, and then the steps are returned: the data acquisition device acquires and stores the latest positioning information of a plurality of users into the data table A again, which is equivalent to the completion of the real-time updating of the positioning information of the data table A and the data table B, so that the positioning information at a plurality of moments can be continuously updated, and the positioning information can be continuously spliced to form a track. When the positioning information in the data table A is not the last element in the two-dimensional array in the data table C, the error is executed in the previous step, whether the positioning information in the data table B is the same as the positioning information in the data table A or not is judged again, and the steps of splicing and the like are carried out again until the latest positioning information appears in the last element of the two-dimensional array.
Further, the primary key field definitions of the data table A and the data table B are the same as those of the data table C.
The data collected by the database is stored by using the data table, meanwhile, updating and iteration of the data are convenient to carry out, a plurality of data tables are used for storing positioning information separately, and data arrangement is convenient to carry out, and the main key field definitions of the data table A and the data table B are the same as those of the data table C, so that the data can be conveniently extracted by the database through the same main key for processing.
Furthermore, the positioning information in the data table B and the positioning information in the data table A are spliced sequentially to form a two-dimensional array, wherein the two-dimensional array is spliced by using a splicing character string mode. The two-dimensional array is spliced in a character string mode, so that the track can be clearly obtained through the two-dimensional array, and other complex conversion is avoided. Meanwhile, the data with the same main key in the data table A, B are spliced into a two-dimensional array in sequence to form one piece of data, so that the data volume of the database C can be greatly reduced, and the query speed is greatly improved.
Further, the positioning information is longitude and latitude information. The positioning information adopts longitude and latitude information, the accuracy is high, and the data format is uniform.
Further, the timer of the database runs synchronously with the data collector. The timer and the data acquisition device run simultaneously, so that the accuracy and the instantaneity of data acquisition can be ensured.
The invention adopts another technical scheme that a system for generating a track based on database real-time positioning comprises:
a table building module for generating a data table A, B, C in the database;
the data acquisition module is used for acquiring and storing the positioning information of each user twice, storing the latest positioning information into the data table A and storing the last positioning information into the data table B;
the updating module is used for updating the positioning information in the data table B into the positioning information in the data table A;
the comparison module is used for comparing whether the positioning information in the data table B is the same as the positioning information in the data table A, if yes, the positioning information in the data table B is updated into the positioning information in the data table A through the updating module, if no, the data table C is newly built through the table building module, and then the positioning information in the data table B and the positioning information in the data table A are spliced into a two-dimensional array sequentially through the splicing module and stored in the data table C;
the splicing module is used for splicing the positioning information in the data table B and the positioning information in the data table A into a two-dimensional array sequentially when the positioning information in the data table B is different from the positioning information in the data table A, and storing the two-dimensional array into the data table C;
and the query module is used for querying the primary key of the data table C to obtain a two-dimensional array and obtain a track.
Further, the device also comprises a judging module, which is used for judging whether the positioning information in the data table A is the last element of the two-dimensional array in the data table C, if yes, the positioning information in the data table B is updated into the positioning information in the data table A by the updating module, the positioning information is collected by the data collecting module and stored in the data table A, and if no, the positioning information in the data table B is compared with the positioning information in the data table A by the comparing module.
The invention adopts another technical scheme that the computer equipment comprises a memory and a processor, wherein the memory stores a computer program, and the processor realizes the steps of the method for generating the track based on database real-time positioning when executing the computer program.
The invention adopts another technical scheme that a storage medium is provided with a computer program, and the computer program realizes the steps of the method for generating the track based on database real-time positioning when being executed by a processor.
Compared with the prior art, the invention has the beneficial effects that: according to the method, the track table is directly generated by using the database through the real-time positioning information, background support is not needed, when the data volume is huge and the background logic is complex, the database can share partial pressure, the phenomena of slow blocking and downtime and the like of the background caused by excessive data volume are reduced, the background and a server are not needed to be built for projects without the background, and the problems of troublesome working and processing operations and the like are avoided; meanwhile, the positioning information at a plurality of moments is spliced into the two-dimensional array form to form the track in sequence, so that the data volume of the database is reduced, the pressure of the database is reduced, and the speed in inquiring is greatly improved.
Drawings
Fig. 1 is a flow chart of the method of embodiment 1 of the present invention.
Fig. 2 is a schematic diagram of a system structure according to embodiment 2 of the present invention.
Reference numerals illustrate: the system comprises a table building module 1, a data acquisition module 2, an updating module 3, a comparison module 4, a splicing module 5, a query module 6 and a judging module 7.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the invention. For better illustration of the following embodiments, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
The technical scheme provided by the embodiment is that the method for generating the track based on database real-time positioning comprises the following steps:
a database creation data table A, B;
the data acquisition device acquires and stores positioning information of a plurality of users into the data table B;
the data acquisition unit acquires and stores the latest positioning information of a plurality of users again and stores the latest positioning information into the data table A;
the timer of the database compares whether the positioning information in the data table B is the same as the positioning information in the data table A, if so, the positioning information in the data table B is updated to the positioning information in the data table A, if not, a data table C is newly built in the database, the positioning information in the data table B and the positioning information in the data table A are spliced into a two-dimensional array in sequence, and the two-dimensional array is stored in the data table C;
and inquiring the primary key of the data table C to obtain a two-dimensional array and obtain a track.
The invention firstly establishes two data tables A, B in the database for storing information data, uses a data collector of the database to collect and store positioning information of a plurality of users into a data table B, and then collects the positioning information again into a data table A, which indicates that the positioning information recorded in the data table B is the positioning information of the last moment of the positioning information in the data table A. Then, the timer of the database is used to compare whether the positioning information in the data table B is the same as the positioning information in the data table A, i.e. whether the last positioning information of the user is the same as the latest positioning information. When the positioning information in the data table B is the same as the positioning information in the data table a, which means that the position of the user at the time of the two data acquisition is not changed, that is, there is no moving track, the positioning information in the data table B is updated to the positioning information in the data table a. When the positioning information in the data table B is the same as the positioning information in the data table a, it means that the position of the user is changed at the two moments, that is, there is a moving track, so that the data table C needs to be newly built in the database, and then the positioning information in the data table B and the positioning information in the data table a are sequentially spliced into a two-dimensional array, and stored in the data table C. Finally, the primary key of the data table C is queried to obtain the two-dimensional arrays in different primary keys, namely the tracks of all users. The primary key in the data table of the database is a unique identifier capable of determining a record and can be used for guaranteeing data integrity, so that the primary key can be used for distinguishing users without use, for example, unique identifier fields such as identity card numbers of all users can be set as primary key fields, and track information of all users can be conveniently queried according to the primary key. According to the method, the track table is directly generated by using the database through the real-time positioning information, background support is not needed, partial pressure can be shared by the database when the data volume is huge and the background logic is complex, the phenomena of slow blocking, downtime and the like of the background caused by excessive data volume are reduced, and the background and the server are not needed to be built for projects without the background.
Further, the method acquires the two-dimensional array when the primary key of the data table C is queried, and the method further comprises the following steps before acquiring the track:
the timer judges whether the positioning information in the data table A is the last element in the two-dimensional array in the data table C, if so, the positioning information in the data table B is updated to the positioning information in the data table A, and the step of returning to the data collector to collect and store the latest positioning information of a plurality of users again and storing the latest positioning information in the data table A; if not, the timer of the return database judges whether the positioning information in the data table B is the same as the positioning information in the data table A.
In this step, it is determined whether the positioning information in the data table a is the last element in the two-dimensional array in the data table C, so as to determine whether the previous step is performed correctly, and only if the previous step is performed correctly, the positioning information in the data table a will appear in the last element in the two-dimensional array in the data table C, because the positioning information in the data table B and the positioning information in the data table a are spliced into a two-dimensional array in sequence in the previous step, and after it is determined that the positioning information in the data table a is the last element in the two-dimensional array in the data table C, the positioning information in the data table B is updated to the positioning information in the data table a, and then the steps are returned: the data acquisition device acquires and stores the latest positioning information of a plurality of users into the data table A again, which is equivalent to the completion of the real-time updating of the positioning information of the data table A and the data table B, so that the positioning information at a plurality of moments can be continuously updated, and the positioning information can be continuously spliced to form a track. When the positioning information in the data table A is not the last element in the two-dimensional array in the data table C, the error is executed in the previous step, whether the positioning information in the data table B is the same as the positioning information in the data table A or not is judged again, and the steps of splicing and the like are carried out again until the latest positioning information appears in the last element of the two-dimensional array.
Further, the primary key field definitions of the data table A and the data table B are the same as those of the data table C. The data collected by the database is stored by using the data table, meanwhile, updating and iteration of the data are convenient to carry out, a plurality of data tables are used for storing positioning information separately, and data arrangement is convenient to carry out, and the main key field definitions of the data table A and the data table B are the same as those of the data table C, so that the data can be conveniently extracted by the database through the same main key for processing.
Furthermore, the positioning information in the data table B and the positioning information in the data table A are spliced sequentially to form a two-dimensional array, wherein the two-dimensional array is spliced by using a splicing character string mode. The two-dimensional array is spliced in a character string mode, so that the track can be clearly obtained through the two-dimensional array, and other complex conversion is avoided. Meanwhile, the data with the same main key in the data table A, B are spliced into a two-dimensional array in sequence to form one piece of data, so that the data volume of the database C can be greatly reduced, and the query speed is greatly improved.
Further, the positioning information is longitude and latitude information. The positioning information adopts longitude and latitude information, the accuracy is high, and the data format is uniform.
Further, the timer of the database runs synchronously with the data collector. The timer and the data acquisition device run simultaneously, so that the accuracy and the instantaneity of data acquisition can be ensured.
Therefore, as a preferred implementation manner, as shown in fig. 1, a method for generating a track based on database real-time positioning in this embodiment specifically includes the following steps:
s1, creating a data table A, B by a database;
s2, the data acquisition device acquires and stores positioning information of a plurality of users and stores the positioning information into the data table B;
s3, the data acquisition device acquires and stores the latest positioning information of a plurality of users again and stores the latest positioning information into the data table A;
s4, the timer of the database compares whether the positioning information in the data table B is the same as the positioning information in the data table A, if so, the step S7 is executed, and if not, the step S5 is executed;
s5, creating a data table C in the database, sequentially splicing the positioning information in the data table B and the positioning information in the data table A into a two-dimensional array, and storing the two-dimensional array into the data table C;
s6, the timer judges whether the positioning information in the data table A is the last element in the two-dimensional array in the data table C, if so, the step S7 is executed, and if not, the step S4 is executed again;
s8, inquiring the primary key of the data table C to obtain a two-dimensional array, and obtaining a track.
Example 2
As shown in fig. 2, the present embodiment provides a system for generating a track based on database real-time positioning, which includes:
a table building module 1, configured to generate a data table A, B, C in a database;
the data acquisition module 2 is used for acquiring and storing the positioning information of each user twice, storing the latest positioning information into the data table A and storing the last positioning information into the data table B;
the updating module 3 is used for updating the positioning information in the data table B into the positioning information in the data table A;
the comparison module 4 is used for comparing whether the positioning information in the data table B is the same as the positioning information in the data table A, if yes, the positioning information in the data table B is updated into the positioning information in the data table A through the updating module 3, if no, the data table C is newly built through the table building module 1, and then the positioning information in the data table B and the positioning information in the data table A are sequentially spliced into a two-dimensional array through the splicing module 5 and stored in the data table C;
the splicing module 5 is used for splicing the positioning information in the data table B and the positioning information in the data table A into a two-dimensional array sequentially when the positioning information in the data table B is different from the positioning information in the data table A, and storing the two-dimensional array into the data table C;
and the query module 6 is used for querying the primary key of the data table C to obtain a two-dimensional array and obtain a track.
Further, the system for generating the track based on the database real-time positioning further comprises:
the judging module 7 is configured to judge whether the positioning information in the data table a is the last element of the two-dimensional array in the data table C, if yes, update the positioning information in the data table B to the positioning information in the data table a through the updating module 3, collect the positioning information through the data collecting module 2, store the positioning information in the data table a, and if no, compare whether the positioning information in the data table B is identical to the positioning information in the data table a through the comparing module 4.
In another aspect, the present embodiment further provides a computer device, including a memory and a processor, where the memory stores a computer program, and the processor implements the steps of the method for generating a track based on database real-time positioning when executing the computer program.
In another aspect, the present embodiment further provides a storage medium having a computer program stored thereon, where the computer program when executed by a processor implements the steps of a method for generating a track based on database real-time positioning as described above.
It should be understood that the foregoing examples of the present invention are merely illustrative of the present invention and are not intended to limit the present invention to the specific embodiments thereof. Any modification, equivalent replacement, improvement, etc. that comes within the spirit and principle of the claims of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The method for generating the track based on the database real-time positioning is characterized by comprising the following steps of:
a database creation data table A, B;
the data acquisition device acquires and stores positioning information of a plurality of users into the data table B;
the data acquisition unit acquires and stores the latest positioning information of a plurality of users again and stores the latest positioning information into the data table A;
the timer of the database compares whether the positioning information in the data table B is the same as the positioning information in the data table A, if so, the positioning information in the data table B is updated to the positioning information in the data table A, if not, a data table C is newly built in the database, the positioning information in the data table B and the positioning information in the data table A are spliced into a two-dimensional array in sequence, and the two-dimensional array is stored in the data table C;
and inquiring the primary key of the data table C to obtain a two-dimensional array and obtain a track.
2. The method for generating a track based on real-time positioning of a database according to claim 1, wherein before the primary key of the lookup data table C acquires the two-dimensional array, the method further comprises the steps of:
the timer judges whether the positioning information in the data table A is the last element in the two-dimensional array in the data table C, if so, the positioning information in the data table B is updated to the positioning information in the data table A, and the step of returning to the data collector to collect and store the latest positioning information of a plurality of users again and storing the latest positioning information in the data table A; if not, the timer of the return database judges whether the positioning information in the data table B is the same as the positioning information in the data table A.
3. The method for generating tracks based on real-time localization of database as claimed in claim 1, wherein the primary key field definitions of data table a and data table B are the same as those of data table C.
4. The method for generating a track based on real-time positioning of a database according to claim 1, wherein the positioning information in the data table B and the positioning information in the data table a are sequentially spliced into a two-dimensional array, and the two-dimensional array is spliced by using a splicing character string form.
5. A method for generating a track based on real-time localization of a database as claimed in any one of claims 1 to 4, wherein the localization information is latitude and longitude information.
6. A method of generating a trajectory based on real time localization of a database as claimed in any one of claims 1 to 4 wherein the timer of the database runs in synchronism with the data collector.
7. A system for generating a trajectory based on database real-time localization, comprising:
a table building module for generating a data table A, B, C in the database;
the data acquisition module is used for acquiring and storing the positioning information of each user twice, storing the latest positioning information into the data table A and storing the last positioning information into the data table B;
the updating module is used for updating the positioning information in the data table B into the positioning information in the data table A;
the comparison module is used for comparing whether the positioning information in the data table B is the same as the positioning information in the data table A, if yes, the positioning information in the data table B is updated into the positioning information in the data table A through the updating module, if no, the data table C is newly built through the table building module, and then the positioning information in the data table B and the positioning information in the data table A are spliced into a two-dimensional array sequentially through the splicing module and stored in the data table C;
the splicing module is used for splicing the positioning information in the data table B and the positioning information in the data table A into a two-dimensional array sequentially when the positioning information in the data table B is different from the positioning information in the data table A, and storing the two-dimensional array into the data table C;
and the query module is used for querying the primary key of the data table C to obtain a two-dimensional array and obtain a track.
8. The database real-time localization generated trace based system of claim 7, further comprising:
the judging module is used for judging whether the positioning information in the data table A is the last element of the two-dimensional array in the data table C, if yes, the positioning information in the data table B is updated into the positioning information in the data table A through the updating module, the positioning information is collected through the data collecting module and stored in the data table A, and if no, the positioning information in the data table B is compared with the positioning information in the data table A through the comparing module.
9. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any of claims 1 to 6 when the computer program is executed.
10. A storage medium having stored thereon a computer program, which when executed by a processor, implements the steps of the method of any of claims 1 to 6.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011482951.9A CN112650823B (en) | 2020-12-15 | 2020-12-15 | Method, system, equipment and medium for generating track based on database real-time positioning |
| PCT/CN2020/141743 WO2022126774A1 (en) | 2020-12-15 | 2020-12-30 | Trajectory generation method and system based on real-time database positioning, and device and medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011482951.9A CN112650823B (en) | 2020-12-15 | 2020-12-15 | Method, system, equipment and medium for generating track based on database real-time positioning |
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| CN112650823A CN112650823A (en) | 2021-04-13 |
| CN112650823B true CN112650823B (en) | 2024-04-02 |
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|---|---|---|---|---|
| CN108806335A (en) * | 2018-05-29 | 2018-11-13 | 大连海事大学 | A kind of vessel traffic environment reconstructing method based on the tracks AIS big data |
| CN111721312A (en) * | 2019-05-28 | 2020-09-29 | 腾讯科技（深圳）有限公司 | Running track generation method and device |
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| CN106649656B (en) * | 2016-12-13 | 2020-03-17 | 中国科学院软件研究所 | Database-oriented space-time trajectory big data storage method |
| CN107277765A (en) * | 2017-05-12 | 2017-10-20 | 西南交通大学 | A kind of mobile phone signaling track preprocess method based on cluster Outlier Analysis |
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| CN111721312A (en) * | 2019-05-28 | 2020-09-29 | 腾讯科技（深圳）有限公司 | Running track generation method and device |
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