CN110928902A - Query method and system for acquiring cloud platform terminal data aiming at paging - Google Patents
Query method and system for acquiring cloud platform terminal data aiming at paging Download PDFInfo
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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Abstract
The invention provides a query method and a query system for acquiring cloud platform terminal data aiming at paging, which are applied to a server and comprise the following steps: acquiring a data query instruction input by a user, wherein the data query instruction carries data to be queried and query conditions of the data to be queried, and the query conditions comprise: the method comprises the steps that storage positions of data to be inquired on a plurality of terminals are provided, and the storage positions are target storage pages of the data and the number of storage pieces of the data in the target storage pages; inquiring data meeting the inquiry conditions in each terminal to obtain multiple groups of initial inquiry data, wherein one terminal corresponds to one group of initial inquiry data; data to be queried is determined among the plurality of sets of initial query data. The invention solves the technical problems of complex operation and large time consumption for acquiring the terminal data in the prior art.
Description
Technical Field
The invention relates to the technical field of data query, in particular to a query method and a query system for acquiring cloud platform terminal data in paging.
Background
On the current internet, data are divided into different terminals to be stored, when the data are to be acquired, the data are calculated and integrated by acquiring the data of all the terminals, and then all the data are concentrated to be subjected to practical sequencing and then are displayed in pages, so that the technical problems of complex operation and large consumed time exist in the process.
Disclosure of Invention
In view of this, the present invention provides a query method and system for obtaining cloud platform terminal data in paging, so as to solve the technical problems of complex operation and large time consumption for obtaining terminal data in the prior art.
In a first aspect, an embodiment of the present invention provides a query method for obtaining cloud platform terminal data for paging, which is applied to a server, and includes: acquiring a data query instruction input by a user, wherein the data query instruction carries data to be queried and query conditions of the data to be queried, and the query conditions comprise: the storage positions of the data to be inquired on the plurality of terminals are target storage pages of the data and the number of storage pieces of the data in the target storage pages; inquiring data meeting the inquiry condition in each terminal to obtain multiple groups of initial inquiry data, wherein one terminal corresponds to one group of initial inquiry data; and determining the data to be queried in the plurality of groups of initial query data.
Further, determining the data to be queried in the plurality of sets of initial query data comprises: combining the multiple groups of initial query data to obtain initial summarized data; and sorting the initial summarized data based on a preset sorting field to obtain sorted data, and taking the first N pieces of data in the sorted data as the data to be queried, wherein N is the number of the stored pieces.
Further, sorting the initial summarized data based on a preset sorting field to obtain sorted data, including: acquiring the data volume of the initial summarized data; and if the data volume is less than or equal to a preset data volume, sorting the initial summarized data by combining a circular sorting algorithm and the preset sorting field to obtain sorted data.
Further, sorting the initial summarized data based on a preset sorting field to obtain sorted data, further comprising: acquiring the data volume of the initial summarized data; if the data volume is larger than the preset data volume, judging whether the number of the preset sorting fields exceeds a preset numerical value; if so, sorting the initial summarized data by combining a cyclic sorting algorithm and the preset sorting field to obtain sorted data; and if not, sorting the initial summarized data by combining a heap sorting algorithm and the preset sorting field to obtain sorted data.
In a second aspect, an embodiment of the present invention further provides an inquiry system for acquiring cloud platform terminal data for paging, which is applied to a server, and includes: the device comprises an acquisition module, a query module and a determination module, wherein the acquisition module is used for acquiring a data query instruction input by a user, the data query instruction carries data to be queried and query conditions of the data to be queried, and the query conditions comprise: the storage positions of the data to be inquired on the plurality of terminals are target storage pages of the data and the number of storage pieces of the data in the target storage pages; the query module is used for querying data meeting the query conditions in each terminal to obtain a plurality of groups of initial query data, wherein one terminal corresponds to one group of initial query data; the determining module is configured to determine the data to be queried in the multiple sets of initial query data.
Further, the query module includes: the device comprises a merging unit and a sorting unit, wherein the merging unit is used for merging the multiple groups of initial query data to obtain initial summarized data; the sorting unit is configured to perform sorting operation on the initial summarized data based on a preset sorting field to obtain sorted data, and use the first N pieces of data in the sorted data as the data to be queried, where N is the number of storage pieces.
Further, the sorting unit is further configured to: acquiring the data volume of the initial summarized data; and if the data volume is less than or equal to a preset data volume, sorting the initial summarized data by combining a circular sorting algorithm and the preset sorting field to obtain sorted data.
Further, the sorting unit is further configured to: acquiring the data volume of the initial summarized data; if the data volume is larger than the preset data volume, judging whether the number of the preset sorting fields exceeds a preset numerical value; if so, sorting the initial summarized data by combining a cyclic sorting algorithm and the preset sorting field to obtain sorted data; and if not, sorting the initial summarized data by combining a heap sorting algorithm and the preset sorting field to obtain sorted data.
In a third aspect, an embodiment of the present invention further provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the method according to the first aspect when executing the computer program.
In a fourth aspect, the present invention further provides a computer-readable medium having non-volatile program code executable by a processor, where the program code causes the processor to execute the method according to the first aspect.
The invention provides a query method and a query system for acquiring cloud platform terminal data aiming at paging.
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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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a flowchart of a query method for obtaining cloud platform terminal data for paging according to an embodiment of the present invention;
fig. 2 is a flowchart of another query method for obtaining cloud platform terminal data for paging according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an inquiry system for acquiring cloud platform terminal data for paging according to an embodiment of the present invention;
fig. 4 is a schematic diagram of another query system for obtaining cloud platform terminal data for paging according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
fig. 1 is a flowchart of a query method for obtaining cloud platform terminal data for paging according to an embodiment of the present invention, where the method is applied to a server, and in particular, the method is applied to a paging query platform. As shown in fig. 1, the method specifically includes the following steps:
step S102, a data query instruction input by a user is obtained, wherein the data query instruction carries data to be queried and query conditions of the data to be queried, and the query conditions comprise: and the storage positions of the data to be inquired on the plurality of terminals are the target storage pages of the data and the storage number of the data in the target storage pages.
Step S104, inquiring data meeting the inquiry conditions in each terminal to obtain multiple groups of initial inquiry data, wherein one terminal corresponds to one group of initial inquiry data.
And step S106, determining data to be queried in the multiple groups of initial query data.
The embodiment of the invention provides a query method for acquiring cloud platform terminal data aiming at paging.
Optionally, step S106 further includes the following steps:
step S1061, combining multiple groups of initial query data to obtain initial summarized data;
step S1062, sorting the initial summarized data based on the preset sorting field to obtain sorted data, and taking the first N pieces of data in the sorted data as data to be queried, wherein N is the number of stored pieces.
Specifically, the operation of sorting the initial summarized data includes:
acquiring the data volume of initial summarized data;
if the data volume is less than or equal to the preset data volume, sorting the initial summarized data by combining a circular sorting algorithm and a preset sorting field to obtain sorted data;
if the data volume is larger than the preset data volume, judging whether the number of the preset sorting fields exceeds a preset numerical value;
if so, sorting the initial summarized data by combining a circular sorting algorithm and a preset sorting field to obtain sorted data;
and if not, sorting the initial summarized data by combining a heap sorting algorithm and a preset sorting field to obtain sorted data.
For example, if the preset data amount is 1000, in the embodiment of the present invention, it is required to first determine whether the data amount of the initial summarized data is greater than 1000, and if the data amount is less than or equal to 1000, it indicates that the data amount to be sorted is small, and a circular sorting algorithm may be directly applied to perform a sorting operation on the initial summarized data in combination with the preset sorting field; if the data volume is more than 1000, the data volume needing sorting is large, whether a plurality of preset sorting fields are provided is judged (namely whether the number of the preset sorting fields is more than one is judged), and if so, the initial summarized data is sorted by applying a circular sorting algorithm and combining the preset sorting fields; if not, sorting the initial summarized data by using a heap sorting algorithm in combination with a preset sorting field to finally obtain the sorted data, wherein the preset sorting field can be the time of the data to be queried and can also be a certain attribute tag of the data to be queried.
As can be seen from the above description, in order to reduce bandwidth pressure caused by large data volume summarization and alleviate the technical problem of slow large data volume paging query, the query method for obtaining cloud platform terminal data for paging according to the embodiments of the present invention may obtain only the data volume shown in the current page, for example, 10 pieces of data of 10 to 20, may query 10 pieces of data of 10 to 20 of each head end, and summarize the queried data into the platform when the platform pages are obtained. To improve the consolidated ordering of data, paging may be implemented using different algorithms for different initial summarized data and ordering requirements.
The embodiment of the invention can achieve the following technical effects: (1) the data volume of each terminal is greatly reduced, and the pressure of the network is reduced; (2) the data volume after the summary is also greatly reduced, thereby improving the data query speed; (3) all terminals are inquired every inquiry, so that the real-time performance of data is guaranteed; (4) and the summarized data is subjected to paging processing by adopting different sorting algorithm algorithms according to different data volumes, so that the calculation speed is increased.
Example two:
fig. 2 is a flowchart of another query method for obtaining cloud platform terminal data in paging according to an embodiment of the present invention, and is applied to a server of a paging query platform. Specifically, as shown in fig. 2, the method includes the steps of:
step S201, acquiring a query request when a user wants to query m pieces of data on the nth page using the platform. Wherein m and n are each an integer greater than 0.
In step S202, the platform sends the page number n and the number m to each terminal.
In the embodiment of the invention, the terminal is accessed in each query, so that the real-time performance of the data queried in each query is ensured.
Step S203, each terminal acquires m pieces of data and total number of nth pages of the terminal which meets the conditions and returns the m pieces of data and the total number of nth pages of the terminal to the platform.
In the embodiment of the invention, each terminal only inquires m pieces of data, the data inquiry quantity is reduced, the transmitted data quantity is reduced, and the inquiry speed and the data transmission speed are improved.
Step S204, after the platform obtains the paging data of each terminal, the total number of each terminal is added to obtain the total number, and then all the paging data are summarized to obtain the total paging data. Because only m pieces of data of each terminal are taken, the data size used for sequencing is reduced, and the query speed is improved.
In step S205, it is determined whether the number of the pages is less than a preset number, for example, 1000, according to the total paging data.
1000 are one segmentation point: if the data volume is less than 1000, the number of the sequencing fields has no influence on the algorithm, and the algorithm speed is fastest by using the thought of division and recursion; if there are more than 1000, how many fields are ordered will affect the speed of the algorithm.
Specifically, step S205 further includes the steps of:
step S2051, if the number of the fields is less than 1000, circularly ordering the fields, specifically, adopting the concepts of division and recursion for each field, ordering the whole number sequence as ordering two ordered number sequences, sequentially executing the process until two elements at the tail end of the ordering, and sequentially conveying two ordered subcolumns to the upper layer for ordering until the whole number sequence is ordered; and taking the first m pieces of data after finishing all the sorting fields. In the embodiment of the invention, the sorting algorithm can obviously improve the query speed when the number of the data is less than 1000.
In step S2052, if the total paging data is not less than 1000, it is determined whether there are more sorting fields. For sorting fields, if more than 1 field exists, sorting is faster in a cyclic reference mode compared with other modes, and if only one field exists, sorting is faster in a binary tree mode. Specifically, the method comprises the following steps:
step S20521, if the field is a plurality of sorting fields, the fields are sorted circularly, and the first m pieces of data are taken after the sorting is finished.
Specifically, the fields are cycled according to the sequence requirements (a reference element is selected, the values smaller than the reference element in the rest elements are sequentially placed on the left side of the reference element, the values larger than or equal to the reference element are placed on the right side of the reference element, then the first half and the second half of the reference element are respectively treated in the same way, and the like is carried out until one element remains in each subsequence). In the embodiment of the invention, for the data volume larger than 1000, the more the sorting condition is, the faster the algorithm queries relative to other algorithms.
In step S20522, if there is only one sort field, the sort fields are stacked, and the top m pieces of data are fetched after sorting is completed.
Specifically, firstly, abstracting the sequence to be sequenced into a binary tree, and constructing a maximum heap; then, the maximum element (namely, the root node element) is exchanged with the last element of the sequence to be sequenced (namely, the leaf node element at the rightmost deepest layer of the binary tree); each traversal refreshes the position of the last element (self-decrementing by 1) until it intersects the first element. In the embodiment of the invention, for the data larger than 1000, the sequencing speed is faster when the sequencing condition is less.
Step S206, a paging data set is generated by the m pieces of data and the total number and returned to the platform for display, and thus, the data flow of each terminal of the once-completed paging inquiry cloud platform is completed.
The query method for acquiring cloud platform terminal data in paging provided by the embodiment of the invention judges whether a mode of acquiring each terminal data in paging is adopted for distributed paging query, for example, whether the nth page of m pieces of data of each terminal is acquired each time, and whether the data returned by each terminal is paging data and contains the total number; after N pieces of data of each terminal are collected to a platform, whether the N pieces of data are judged according to the size of total paging data is judged, whether the number of the N pieces of data is smaller than 1000 pieces is judged, if the number of the N pieces of data is smaller than the number of the N pieces of data, sorting and fetching are carried out by adopting the concepts of division and recursion, if the number of the N pieces of data is not smaller than 1000 pieces, whether a plurality of sorting fields are arranged is judged, if the plurality of sorting fields are arranged, whether a mode of judging sorting and fetching by means of reference numbers is adopted, and if only one sorting field exists, whether a mode of exchanging a root node and the rightmost node of a binary. The data can be stored in each server local machine, the server cannot be damaged due to too large data volume, the data inquired each time can be the latest data, the paging inquiry speed can be improved, and the pressure on the network can be reduced.
Example three:
fig. 3 is a schematic diagram of an inquiry system for obtaining cloud platform terminal data for paging according to an embodiment of the present invention, where the inquiry system is applied to a server. As shown in fig. 3, the system specifically includes: an acquisition module 10, a query module 20 and a determination module 30.
Specifically, the obtaining module 10 is configured to obtain a data query instruction input by a user, where the data query instruction carries data to be queried and query conditions of the data to be queried, and the query conditions include: and the storage positions of the data to be inquired on the plurality of terminals are the target storage pages of the data and the storage number of the data in the target storage pages.
The query module 20 is configured to query, in each terminal, data that meets the query condition to obtain multiple sets of initial query data, where one terminal corresponds to one set of initial query data.
And a determining module 30, configured to determine data to be queried in the multiple sets of initial query data.
The embodiment of the invention provides an inquiry system for acquiring cloud platform terminal data aiming at paging, which is characterized in that an acquisition module is used for acquiring a data inquiry instruction input by a user, then an inquiry module is used for inquiring data meeting inquiry conditions in each terminal to obtain a plurality of groups of initial inquiry data, and finally a determination module is used for determining the data to be inquired in the plurality of groups of initial inquiry data.
Optionally, fig. 4 is a schematic diagram of another query system for obtaining the number of cloud platform terminals for paging according to an embodiment of the present invention. As shown in fig. 4, the query module 20 includes: a merging unit 21 and a sorting unit 22.
Specifically, the merging unit 21 is configured to merge multiple sets of initial query data to obtain initial summarized data.
The sorting unit 22 is configured to perform a sorting operation on the initial summarized data based on the preset sorting field to obtain sorted data, and use the first N pieces of data in the sorted data as data to be queried, where N is the number of storage pieces.
Optionally, as shown in fig. 4, the sorting unit 22 is further configured to:
acquiring the data volume of initial summarized data;
and if the data volume is less than or equal to the preset data volume, sorting the initial summarized data by combining a circular sorting algorithm and a preset sorting field to obtain the sorted data.
If the data volume is larger than the preset data volume, judging whether the number of the preset sorting fields exceeds a preset numerical value;
if so, sorting the initial summarized data by combining a circular sorting algorithm and a preset sorting field to obtain sorted data;
and if not, sorting the initial summarized data by combining a heap sorting algorithm and a preset sorting field to obtain sorted data.
The embodiment of the present invention further provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor, and when the processor executes the computer program, the steps of the method in the first embodiment are implemented.
The embodiment of the invention also provides a computer readable medium with a non-volatile program code executable by a processor, wherein the program code causes the processor to execute the method in the first embodiment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A query method for obtaining cloud platform terminal data aiming at paging is characterized by being applied to a server and comprising the following steps:
acquiring a data query instruction input by a user, wherein the data query instruction carries data to be queried and query conditions of the data to be queried, and the query conditions comprise: the storage positions of the data to be inquired on the plurality of terminals are target storage pages of the data and the number of storage pieces of the data in the target storage pages;
inquiring data meeting the inquiry condition in each terminal to obtain multiple groups of initial inquiry data, wherein one terminal corresponds to one group of initial inquiry data;
and determining the data to be queried in the plurality of groups of initial query data.
2. The method of claim 1, wherein determining the data to be queried in the plurality of sets of initial query data comprises:
combining the multiple groups of initial query data to obtain initial summarized data;
and sorting the initial summarized data based on a preset sorting field to obtain sorted data, and taking the first N pieces of data in the sorted data as the data to be queried, wherein N is the number of the stored pieces.
3. The method of claim 2, wherein sorting the initial summarized data based on a preset sorting field to obtain sorted data comprises:
acquiring the data volume of the initial summarized data;
and if the data volume is less than or equal to a preset data volume, sorting the initial summarized data by combining a circular sorting algorithm and the preset sorting field to obtain sorted data.
4. The method of claim 2, wherein the sorting the initial summarized data based on a preset sorting field to obtain sorted data, further comprising:
acquiring the data volume of the initial summarized data;
if the data volume is larger than the preset data volume, judging whether the number of the preset sorting fields exceeds a preset numerical value;
if so, sorting the initial summarized data by combining a cyclic sorting algorithm and the preset sorting field to obtain sorted data;
and if not, sorting the initial summarized data by combining a heap sorting algorithm and the preset sorting field to obtain sorted data.
5. The utility model provides an inquiry system of cloud platform terminal data is obtained to paging which is characterized in that, is applied to the server, includes: an acquisition module, a query module, and a determination module, wherein,
the obtaining module is configured to obtain a data query instruction input by a user, where the data query instruction carries data to be queried and query conditions of the data to be queried, and the query conditions include: the storage positions of the data to be inquired on the plurality of terminals are target storage pages of the data and the number of storage pieces of the data in the target storage pages;
the query module is used for querying data meeting the query conditions in each terminal to obtain a plurality of groups of initial query data, wherein one terminal corresponds to one group of initial query data;
the determining module is configured to determine the data to be queried in the multiple sets of initial query data.
6. The system of claim 5, wherein the query module comprises: a merging unit and a sorting unit, wherein,
the merging unit is configured to merge the multiple sets of initial query data to obtain initial summarized data;
the sorting unit is configured to perform sorting operation on the initial summarized data based on a preset sorting field to obtain sorted data, and use the first N pieces of data in the sorted data as the data to be queried, where N is the number of storage pieces.
7. The system of claim 6, wherein the ordering unit is further configured to:
acquiring the data volume of the initial summarized data;
and if the data volume is less than or equal to a preset data volume, sorting the initial summarized data by combining a circular sorting algorithm and the preset sorting field to obtain sorted data.
8. The system of claim 6, wherein the ordering unit is further configured to:
acquiring the data volume of the initial summarized data;
if the data volume is larger than the preset data volume, judging whether the number of the preset sorting fields exceeds a preset numerical value;
if so, sorting the initial summarized data by combining a cyclic sorting algorithm and the preset sorting field to obtain sorted data;
and if not, sorting the initial summarized data by combining a heap sorting algorithm and the preset sorting field to obtain sorted data.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the steps of the method of any of the preceding claims 1 to 4 are implemented when the computer program is executed by the processor.
10. A computer-readable medium having non-volatile program code executable by a processor, wherein the program code causes the processor to perform the method of any of claims 1-4.
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| CN113377831B (en) * | 2021-05-31 | 2023-02-21 | 北京达佳互联信息技术有限公司 | Resource data query method and device, electronic equipment and storage medium |
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Application publication date: 20200327 |