CN116303730B - Asynchronous data source connection system for data visualization platform - Google Patents
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Abstract
The invention provides an asynchronous data source connection system for a data visualization platform, which is applied to the technical field of data management, and comprises a local data end and an external data source, wherein the local data end comprises a visual display module, a core database and a data classification module, a relay point for connecting the external data source is arranged on the local data end, the relay point comprises a total check module and a plurality of sub-databases, the external data source comprises a plurality of external databases, and an access channel is arranged between the sub-databases and the external databases; the general search module is internally provided with two parallel search channels, so that the search conditions are set at the relay point end to pre-collect a plurality of connected external data sources, and the collected data set is in a sub-database corresponding to the external data sources in the relay point, so that the sub-data set can be searched for quick data reading and writing without being influenced by the external data sources.
Description
Technical Field
The application relates to the technical field of data management, in particular to an asynchronous data source connection system for a data visualization platform.
Background
At present, more and more databases are on the market, and for large-screen visual projects, data of different databases are sometimes required to be displayed simultaneously, so that related technicians are required to consume a large amount of time to unify data source data, and development workload is also large.
An asynchronous data source connection system is part of a data management system for multiple data source connections. The system can help users connect and manage different data sources, such as relational databases, non-relational databases, text files, web APIs, and the like, and can easily access and use the data by providing a common interface.
At present, for a data connection management system with multiple data sources, the connected data sources are not subjected to deep arrangement during data acquisition, and are simply arranged and then stored in a local data source.
The invention mainly aims at quick development, and can conveniently use the data source without the need of a large amount of time spent by a visual developer on the data source and configuration of a connection address.
Disclosure of Invention
The utility model provides a system for facilitating asynchronous data management of multiple data sources when a data visualization platform accesses the multiple data sources, which comprises a local data end and an external data source, wherein the local data end comprises a visual display module, a core database and a data classification module, a relay point for connecting the external data source is arranged on the local data end, the relay point comprises a total check module and a plurality of sub databases, the external data source comprises a plurality of external databases, and an access channel is arranged between the sub databases and the external databases;
two parallel search channels are arranged in the total search module and are respectively used for external data source data search and sub-database data search;
the sub-database comprises a sub-data set, a sub-data retrieval module and a data management module, wherein the sub-data set comprises a cold data set and a hot data set.
The method can realize the pre-acquisition of a plurality of connected external data sources by setting search conditions at the relay point end, the acquired data set is in a sub-database corresponding to the external data sources in the relay point, then the search result is displayed on the visual display module, and when the further search is carried out, the sub-data set in the relay point is directly searched, so that the rapid data reading and writing are carried out and the influence of the external data sources is not easy.
Further, a search command slicing program is arranged on the total search module, and the command slicing program is used for slicing the search condition command arranged on the total search module into a plurality of sub-search commands. And searching the plurality of sub databases and corresponding external data sources to obtain the required data.
Optionally, the functions of the data management module include: and reading and writing data in the sub-database, and searching and verifying the data in the sub-database.
Further, the cold data set is used for storing acquired data in an external data source, the hot data set is used for verifying and updating data, and the data management module modifies the cold data set according to updating contents after the hot data set updates data each time.
Further, the access channel is used for reading the external data source by the sub-database, and when the external data source performs data retrieval and acquisition, the thermal data set is connected with the external database through the access channel.
Further, the visual display module is used for displaying the search result of the total search module, the data collected in the sub-database and the connected external data source.
Furthermore, the data classification module is used for writing the format classification, format conversion and format unified management of the data in the core database, is convenient for the retrieval of the data in the core database, can configure data acquisition, and stores the data source data to the local data source according to the retrieval conditions.
Further, a sub-database management module and a memory management module are arranged in the relay point. When the memory management module detects that the memory of any sub-database is insufficient, the sub-database management module can associate other spare sub-databases with the sub-database, so that the associated sub-database can assist in data storage when the memory of the associated sub-database is insufficient.
Optionally, a verification update program is arranged in the sub-database, and when the data acquisition condition of the detection module is changed each time, the external data source is accessed through the access channel to verify whether the thermal data is matched with the data in the external data source.
Optionally, a verification timing verification program is set in the sub-database, the sub-database accesses the external data source at regular time through the access channel, and the data management module verifies whether the cold data set is matched with the data in the external data source.
Compared with the prior art, the advantage of this application lies in:
(1) According to the scheme, the search condition is set at the relay point end to pre-collect the connected plurality of external data sources, the collected data set is in the sub-database corresponding to the external data sources in the relay point, then the search result is displayed on the visual display module, and when the further search is carried out, the sub-data set in the relay point is directly searched, so that quick data reading and writing are carried out, and the influence of the external data sources is avoided.
(2) The total search module is provided with a search command slicing program, and the command slicing program is used for slicing the search condition command arranged on the total search module into a plurality of sub-search commands, and the plurality of sub-search commands are used for searching the plurality of sub-databases respectively. And searching the plurality of sub databases and corresponding external data sources to obtain the required data.
(3) The cold data set is used for storing acquired data in an external data source, the hot data set is used for verifying and updating the data, and the data management module modifies the cold data set according to the updating content after the hot data set updates the data each time.
(4) The data classification module is used for writing the format classification, format conversion and format unified management of the data in the core database, is convenient for the retrieval of the data in the core database, can configure data acquisition, saves the data source data to a local data source according to the retrieval condition, and is internally provided with a sub-database management module and a memory management module. When the memory management module detects that the memory of any sub-database is insufficient, the sub-database management module can associate other spare sub-databases with the sub-database, so that the associated sub-database can assist in data storage when the memory of the associated sub-database is insufficient.
(5) And a verification update program is arranged in the sub database, and when the data acquisition condition of the detection module is changed each time, an external data source is accessed through an access channel to verify whether the hot data is matched with the data in the external data source.
(6) The sub-database is internally provided with a verification timing verification program, the sub-database accesses an external data source through an access channel at regular time, and the data management module verifies whether the cold data set is matched with the data in the external data source.
Drawings
FIG. 1 is a system block diagram of the present application;
FIG. 2 is a system architecture diagram of the present application;
FIG. 3 is a logic flow diagram of the present application;
FIG. 4 is a workflow diagram of example 2 of the present application;
fig. 5 is a workflow diagram of example 3 of the present application.
Detailed Description
The embodiments will be described in detail and throughout the specification with reference to the drawings, wherein, based on the embodiments in the application, all other embodiments obtained by persons skilled in the art without making creative efforts are within the scope of protection of the application.
Example 1:
the invention provides an asynchronous data source connection system for a data visualization platform, referring to fig. 1-3, the asynchronous data source connection system for the data visualization platform comprises a local data end and an external data source, wherein the local data end comprises a visual display module, a core database and a data classification module, a relay point for connecting the external data source is arranged on the local data end, the relay point comprises a total check module and a plurality of sub-databases, the external data source comprises a plurality of external databases, an access channel is arranged between the sub-databases and the external databases, the sub-databases comprise a sub-data set, a sub-data retrieval module and a data management module, and the sub-data set comprises a cold data set and a hot data set;
two parallel search channels are arranged in the total search module and are respectively used for external data source data search and sub-database data search; the total search module is provided with a search command slicing program, and the command slicing program is used for slicing the search condition commands arranged on the total search module into a plurality of sub-search commands. And searching the plurality of sub databases and corresponding external data sources to obtain the required data.
The functions of the data management module include: and when the data verification is carried out, the data management module can trace the source of the data stored in the cold data set, compare the data stored in the cold data set with the data in the data source thereof, and verify whether the data in the data source is updated.
The sub-database retrieval module is used for retrieving data in the sub-database, the data management module can retrieve the data in the cold data set and the hot data set through the sub-database retrieval module, sub-retrieval commands which are divided by the command dividing program are sent to the sub-database retrieval module, and the sub-database retrieval module assists the total retrieval module to retrieve the data;
the cold data set is used for storing acquired data in an external data source, the cold data set can be read and written only through the data management module, and the total searching module can read the cold data set;
the hot data set is used for verifying and updating data, and can be read and written through the data management module; after each time the hot data set updates data, the data management module modifies the cold data set according to the updating content, and the cache in the hot data set is deleted after modification.
The access channel is used for reading the external data source by the sub-database, and when the external data source performs data retrieval and acquisition, the hot data set is connected with the external database through the access channel, and the access channel supports: a main stream database (the connection address, the user name, the password and other parameters can be filled in to connect), a file type data source (supporting a local file and a remote http address file); an API interface type data source (input related parameters may view data returned by the API interface).
The visual display module is used for displaying the retrieval result of the total retrieval module, the data collected in the sub-databases and the connected external data sources, and the data sources added by the local data end, the core database and the data in the sub-databases can be checked through the visual display module.
The data classification module is used for writing the format classification, format conversion and format unified management of the data in the core database, when the data is written, the data of the same type is loaded into the core database after the data is uniformly set into the format, the data in the core database is conveniently fetched, the data acquisition can be configured, and the data source data is stored in the local data source according to the retrieval condition.
The relay point is internally provided with a sub-database management module and a memory management module. When the memory management module detects that the memory of any sub-database is insufficient, the sub-database management module can associate other spare sub-databases with the sub-database, so that the associated sub-database can assist in data storage when the memory of the associated sub-database is insufficient.
Referring to fig. 3, the workflow of the present scheme is:
s1, firstly, a local data terminal is accessed to an external data source through a relay point, and the relay point correspondingly generates a plurality of sub-data sets according to the accessed external data source;
s2, after the searching conditions for searching and collecting the external data source data are set on the total searching module, the searching conditions are divided into a plurality of sub-searching commands, the plurality of sub-searching commands respectively search the external database, the data obtained by searching are packed and loaded into a hot data set in the sub-data set, and after the searching is completed, the data in the hot data set is processed and classified by the data management module and then stored and written into a cold data set;
s3, carrying out refined search on the sub-databases, after setting search conditions for sub-database search on a total search module during search, firstly fragmenting search commands through the total search module, respectively searching a plurality of sub-databases by the fragmented command commands, and searching a cold data set during sub-database search;
if the data meeting the search conditions are found in the cold data set, the corresponding data in the cold data set is directly read and displayed on the visual display module;
if no data meeting the search condition in the cold data set is searched, the cold data set is connected with an external data source in a butt joint way through a hot data set connection access channel, and then a fragmented search instruction is sent to a plurality of external databases to search the data in the external databases;
s4, if the data with the matched condition is retrieved from the external database, the data read from the external database is loaded into the hot data set of the corresponding sub-database, the newly written data in the hot data set is processed and classified by the data management module and then stored and written into the cold data set, and then the newly written data of the cold data set is displayed on the visual display module;
if the data matched with the conditions are retrieved in the external database, displaying a 'no-result retrieval' prompt on the visual display module, and terminating the retrieval work;
s5, when data is required to be written into the local data end, after search conditions are set, and when search results are obtained, the visual display module displays the search results, at the moment, the required data can be selected for retrieval, and when the data is retrieved, the data is retrieved by reading the corresponding cold data set, so that the selected data is written into a core database of the local data end;
and S6, when the core database writes data, the data read from the cold data set is subjected to format classification or unified format through the data classification module and then is stored in the core database, so that the data can be conveniently called during the visual work.
According to the scheme, search conditions can be set at the relay point end to pre-collect a plurality of connected external data sources, collected data sets are arranged in sub-databases corresponding to the external data sources in the relay point, then search results are displayed on a visual display module, when further data retrieval and search are carried out, the sub-data sets in the relay point are directly searched, and the solidified cold data of the sub-data sets are read so as to carry out rapid data reading and writing and not to be easily influenced by the state of the external data sources, and meanwhile, cold data verification and updating can be carried out through the hot data sets when the system is in an idle state or the cold data sets are not read, so that the real-time updating of the data is ensured.
Example 2:
the present invention provides an asynchronous data source connection system for a data visualization platform, please refer to fig. 4, and only the differences from embodiment 1 will be described below for simplicity. This embodiment 2 is different from embodiment 1 in that: a verification updating program is arranged in the sub-database, when the data acquisition conditions configured by each detection module for the external data source retrieval channel are changed, the external data source is accessed through the access channel, whether hot data are matched with data in the external data source or not is verified, if the data in the cold data set are not matched with source data in the corresponding external database, the corresponding data loaded in the external database are updated, the corresponding data in the cold data set are updated through the data management module, and after the updating is finished, the cache in the hot data set is cleared;
when the data acquisition condition is changed, the loaded data in the cold data set is updated, so that the loaded data in the cold data set can be in the latest state after a technician finishes the calling of all the required data summarized by an external data source.
Example 3:
the present invention provides an asynchronous data source connection system for a data visualization platform, please refer to fig. 5, and only the differences from embodiment 2 will be described below for simplicity. This embodiment 3 is different from embodiment 2 in that: the sub-database is internally provided with a verification timing verification program, the sub-database accesses to an external data source through an access channel at regular time, a data management module verifies whether the cold data set is matched with the data in the external data source, if the data in the cold data set is not matched with the source data in the corresponding external database, the corresponding data loaded into the external database is updated, the data management module updates the corresponding data in the cold data set, and the cache in the hot data set is cleared after the updating is finished.
The time of timing verification is adjusted according to actual conditions by a person skilled in the art;
when the external data source comprises an external public database or a webpage and other data sources which can allow a large amount of access, a person skilled in the art can set the time of timing verification in a time period with less data source access amount to perform timing verification so as to reduce the influence of the data source access load on the timing verification; the quick progress of the timing verification procedure is ensured.
The foregoing is merely a preferred embodiment of the present application, which is used in connection with the actual requirement, but the scope of the present application is not limited thereto.
Claims (6)
1. The asynchronous data source connection system for the data visualization platform comprises a local data end and an external data source, and is characterized in that the local data end comprises a visualization display module, a core database and a data classification module, a relay point used for connecting the external data source is arranged on the local data end, the relay point comprises a total check module and a plurality of sub databases, the external data source comprises a plurality of external databases, and an access channel is arranged between the sub databases and the external databases;
two parallel search channels are arranged in the total search module, and the two search channels are respectively used for external data source data search and sub-database data search; the general searching module is provided with a searching command slicing program which is used for slicing the searching condition command arranged on the general searching module into a plurality of sub searching commands;
the sub-database comprises a sub-data set, a sub-data retrieval module and a data management module, wherein the sub-data set comprises a cold data set and a hot data set;
the cold data set is used for storing acquired data acquired by an external data source, and the hot data set is used for updating data in the cold data set and reading data in the external data source;
a verification update program is arranged in the sub database, and when the data acquisition condition of each detection module is changed, an external data source is accessed through an access channel to verify whether the cold data set is matched with the data in the external data source or not;
and a verification timing verification program is arranged in the sub-database, the sub-database accesses to the external data source at regular time through an access channel, and the data management module verifies whether the cold data set is matched with the data in the external data source.
2. An asynchronous data source connection system for a data visualization platform as in claim 1 wherein the functions of the data management module comprise: and reading and writing data in the sub-database, and searching and verifying the data in the sub-database.
3. An asynchronous data source connection system for a data visualization platform according to claim 1, wherein the access channel is used for reading an external data source by the sub-database, and the thermal data set is connected with the external database through the access channel when the external data source performs data retrieval and collection.
4. An asynchronous data source connection system for a data visualization platform as in claim 1 wherein the visualization presentation module is configured to present the results of the overall search module, the data collected in the sub-databases and the connected external data sources.
5. The asynchronous data source connection system for a data visualization platform of claim 1, wherein the data classification module is configured to perform format classification, format conversion and format unified management of data written into the core database.
6. An asynchronous data source connection system for a data visualization platform according to claim 1, wherein a sub database management module and a memory management module are disposed in the relay point.
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