CN106776632A - Data query method and device - Google Patents

Data query method and device Download PDF

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Publication number
CN106776632A
CN106776632A CN201510819257.4A CN201510819257A CN106776632A CN 106776632 A CN106776632 A CN 106776632A CN 201510819257 A CN201510819257 A CN 201510819257A CN 106776632 A CN106776632 A CN 106776632A
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CN
China
Prior art keywords
data
query
data file
file
multiple
Prior art date
Application number
CN201510819257.4A
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Chinese (zh)
Inventor
廖小利
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北京国双科技有限公司
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Application filed by 北京国双科技有限公司 filed Critical 北京国双科技有限公司
Priority to CN201510819257.4A priority Critical patent/CN106776632A/en
Publication of CN106776632A publication Critical patent/CN106776632A/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24Querying
    • G06F16/245Query processing
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24Querying
    • G06F16/245Query processing
    • G06F16/2453Query optimisation

Abstract

The invention discloses a kind of data query method and device, be related to data query technique field, main purpose be can the data more long to date span carry out real-time query, while improve data query performance.Main method includes:When data inquiry request is received, to the time range inquired about, unit is cut into slices to schedule, obtains multiple isochronous surfaces;Obtain the data file in each isochronous surface correspondence time range respectively in units of isochronous surface;Data query is carried out to the multiple data files for getting according to querying condition, data query result is obtained.Present invention is mainly used for the inquiry of data.

Description

Data query method and device

Technical field

The present invention relates to data query technique field, more particularly to a kind of data query method and device.

Background technology

Data query is a kind of approach that user obtains information according to keyword in database, is also general The major function of application system, when user performs data query operation, database can be according to user Querying condition carries out data screening.

However, when user carries out that service logic is fixed and the span data date is more long carrying out application system Data query when, because data are complicated and date range is long, the data block read required for database Quantity can increase, and lead to not carry out data query in real time, it is therefore desirable to when expending mass data inquiry Between, while the query performance of the reduction database that the computing of big data quantity can be exponential.

The content of the invention

In view of the above problems, it is proposed that the present invention overcomes above mentioned problem or at least portion to provide one kind Point the data query method and device that solves the above problems, can the data more long to date span enter Row real-time query, while improve data query performance.

In order to achieve the above object, present invention generally provides following technical scheme:

On the one hand, the invention provides a kind of data query method, the method includes:

When data inquiry request is received, to inquire about time range unit is carried out to schedule Section, obtains multiple isochronous surfaces;

Obtain the data text in each isochronous surface correspondence time range respectively in units of isochronous surface Part;

Data query is carried out to the multiple data files for getting according to querying condition, data query is obtained As a result.

On the other hand, the invention provides a kind of data query arrangement, including:

Section unit, for when data inquiry request is received, to the time range inquired about according to pre- Unit of fixing time is cut into slices, and obtains multiple isochronous surfaces;

Acquiring unit, for obtaining each isochronous surface correspondence time model respectively in units of isochronous surface Enclose interior data file;

Query unit, for carrying out data query to the multiple data files for getting according to querying condition, Obtain data query result.

By above-mentioned technical proposal, the data query method and device that the present invention is provided, when receiving number During according to inquiry request, to the time range inquired about, unit is cut into slices to schedule, is obtained multiple Isochronous surface;Obtain the number in each isochronous surface correspondence time range respectively in units of isochronous surface According to file;Data query is carried out to the multiple data files for getting according to querying condition, data are obtained Query Result, because the reading of each isochronous surface and the data cell for calculating are small, so in database Query performance can be very high, the performance of the data query of Long time scale can be greatly improved.With it is existing The data query method of technology is compared, and the present invention is single to schedule by the time range that will be inquired about Position is cut into slices, and solves the problems, such as data base querying degraded performance, can be more long to date span Data carry out real-time query, while improve data query performance.

Described above is only the general introduction of technical solution of the present invention, of the invention in order to better understand Technological means, and being practiced according to the content of specification, and in order to allow it is of the invention above-mentioned and Other objects, features and advantages can become apparent, below especially exemplified by specific embodiment of the invention.

Brief description of the drawings

By reading the detailed description of hereafter preferred embodiment, various other advantage and benefit for Those of ordinary skill in the art will be clear understanding.Accompanying drawing is only used for showing the mesh of preferred embodiment , and it is not considered as limitation of the present invention.And in whole accompanying drawing, with identical with reference to symbol Number represent identical part.In the accompanying drawings:

Fig. 1 shows a kind of data query method flow schematic diagram provided in an embodiment of the present invention;

Fig. 2 shows another data query method flow schematic diagram provided in an embodiment of the present invention;

Fig. 3 shows a kind of data query arrangement structural representation provided in an embodiment of the present invention;

Fig. 4 shows another data query arrangement structural representation provided in an embodiment of the present invention.

Specific embodiment

The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing in accompanying drawing The exemplary embodiment of the disclosure is shown, it being understood, however, that may be realized in various forms the disclosure Without that should be limited by embodiments set forth here.Conversely, there is provided these embodiments are able to more Thoroughly understand the disclosure, and can be by the complete technology for conveying to this area of the scope of the present disclosure Personnel.

A kind of data query method provided in an embodiment of the present invention, as shown in figure 1, the method includes:

101st, when data inquiry request is received, to the time range unit to schedule inquired about Cut into slices, obtained multiple isochronous surfaces.

Wherein, the isochronous surface is that unit is cut into slices to the scope of query time to schedule Divide, the present embodiment is not limited to the scheduled time scope, can be configured according to actual conditions, For example, the present embodiment can obtain multiple by the scope of query time to be cut into slices in day or week Isochronous surface.

In concrete application, when the inquiry request of user's submission is received, first in units of the time day Scope to query time is cut into slices, and obtains multiple isochronous surfaces in units of day, such as when looking into The time range of inquiry is 1 day to 2010 August of August in 2009 1, then have in the time range 365 days, corresponding isochronous surface also had 365, so as to obtain 365 isochronous surfaces.

102nd, the data in each isochronous surface correspondence time range are obtained respectively in units of isochronous surface File.

Wherein, the data obtained in the time range are specially:For each isochronous surface, inquiry Go out the data file in corresponding database in the range of the isochronous surface, and the data file that will be obtained Store into internal memory.

103rd, data query is carried out to the multiple data files for getting according to querying condition, obtains data Query Result.

Wherein, the querying condition is the target data file content to be inquired about of user, specific inquiry The data content of condition can be a data file of some day, or certain time range Multiple data files.

Specifically, it is necessary first to the data file stored in analyzing step 102 is read, while to the number Pre-processed according to file, the data file after treatment is stored, according to the querying condition of user The data file after the treatment is traveled through, by treatment corresponding with the data file in the querying condition Data file afterwards is collected, and obtains data query result.

A kind of data query method provided in an embodiment of the present invention, when data inquiry request is received, To the time range inquired about, unit is cut into slices to schedule, obtains multiple isochronous surfaces;With when Between section for unit obtain respectively each isochronous surface correspondence time range in data file;According to looking into Inquiry condition carries out data query to the multiple data files for getting, and obtains data query result, due to Each isochronous surface reads and the data cell of calculating is small, so the query performance in database can be very Height, can greatly improve the performance of the data query of Long time scale.With the data query of prior art Method is compared, and the present invention is solved by the way that by the time range of inquiry, unit is cut into slices to schedule Determined the problem of data base querying degraded performance, can the data more long to date span looked into real time Ask, while improve data query performance.

Specifically, another data query method provided in an embodiment of the present invention, as shown in Fig. 2 should Method includes:

201st, when data inquiry request is received, to the time range unit to schedule inquired about Cut into slices, obtained multiple isochronous surfaces.

Wherein, before the data in each isochronous surface correspondence time range are obtained, it is first determined number It is according to the time range of data in storehouse, the time range of determination is more for unit is divided into according to isochronous surface Individual date section.

202nd, the number in each isochronous surface correspondence time range is obtained respectively in units of isochronous surface According to.

Wherein, according to the isochronous surface obtained in step 201, each date is inquired from database Data in section in corresponding date section, for example, when the unit interval of date section is one day, Intraday data are then inquired from database.

203rd, data file will be obtained in the data persistence to file, the data file is with correspondence Time range name.

Wherein, it is described be persisted as data (object in internal memory) be saved in can persistence deposit In storage equipment, such as disk.Persistence can be mainly used in and store in database the object in internal memory In, or storage is in disk file, in XML data file etc..

Specifically, the data persistence for step 201 being got obtains file data in file, And it is named with the date section scope corresponding to this document data, is obtained to that there should be the date to cut into slices The data file of scope.

204th, the multiple data file pre-process and obtain corresponding subject data file.

Wherein, the pretreatment is that multiple data files are carried out into unserializing treatment to obtain correspondence The subject data file.It is another kind that the unserializing treatment is mainly used in storage object state General format, such as binary system, xml, json, will multiple data files be stored as another lattice Formula.

The subject data file is pretreated data file, and data file now can be carried out Storage, while being also convenient for present procedure identification.

205th, each subject data file according to querying condition traversal obtains each subdata inquiry knot Really.

In this present embodiment concretely:According to the date range of target query, the described target is obtained Subject data file corresponding to the date range of inquiry, and the corresponding subject data file is read Take into internal memory, each subject data file is traveled through according to querying condition, obtain the inquiry of each subdata As a result, wherein, may include that one or more inquiry of inquiry needed for user refers in the querying condition Mark.

206th, each subdata Query Result collect obtaining data query result.

For example, it is -2015 years on the 8th Augusts of August in 2015 when user needs Query Dates scope 10 days " order " and " shopping " index, then cut firstly the need of the acquisition correspondence from current database Year August of the data file on piece date, i.e., 2015-2015 years on the 8th Augusts data file of 10 days, together When the data file is pre-processed, obtain the recognizable data file of present procedure, traversal is worked as " order " and " shopping " index in preceding data file, and index to inquiring collects, The index obtained in current data file collects, and the index is collected and is assigned to result object, obtains final product To data query result.

Another data query method provided in an embodiment of the present invention, when data inquiry request is received, To the time range inquired about, unit is cut into slices to schedule, obtains multiple isochronous surfaces;With when Between section for unit obtain respectively each isochronous surface correspondence time range in data file;According to looking into Inquiry condition carries out data query to the multiple data files for getting, and obtains data query result, due to Each isochronous surface reads and the data cell of calculating is small, so the query performance in database can be very Height, can greatly improve the performance of the data query of Long time scale.With the data query of prior art Method is compared, and the present invention is solved by the way that by the time range of inquiry, unit is cut into slices to schedule Determined the problem of data base querying degraded performance, can the data more long to date span looked into real time Ask, while improve data query performance.

Further, implementing as method shown in Fig. 1, the embodiment of the invention provides one kind Data query arrangement, the device embodiment is corresponding with preceding method embodiment, for ease of reading, this dress Put the detail content not in preceding method embodiment to be repeated one by one, it should be understood that this reality Applying the device in example can correspond to the full content realized in preceding method embodiment, as shown in figure 3, Described device includes:Section unit 31, collection unit 32, query unit 33.

The section unit 31, for when data inquiry request is received, to the time range inquired about Unit is cut into slices to schedule, obtains multiple isochronous surfaces;

The acquiring unit 32, for obtaining each isochronous surface correspondence respectively in units of isochronous surface Data file in time range;

The query unit 33, for entering line number to the multiple data files for getting according to querying condition It is investigated that asking, data query result is obtained.

A kind of data query arrangement provided in an embodiment of the present invention, when data inquiry request is received, To the time range inquired about, unit is cut into slices to schedule, obtains multiple isochronous surfaces;With when Between section for unit obtain respectively each isochronous surface correspondence time range in data file;According to looking into Inquiry condition carries out data query to the multiple data files for getting, and obtains data query result, due to Each isochronous surface reads and the data cell of calculating is small, so the query performance in database can be very Height, can greatly improve the performance of the data query of Long time scale.With the data query of prior art Method is compared, and the present invention is solved by the way that by the time range of inquiry, unit is cut into slices to schedule Determined the problem of data base querying degraded performance, can the data more long to date span looked into real time Ask, while improve data query performance.

Further, implementing as method shown in Fig. 2, the embodiment of the invention provides one kind Data query arrangement, the device embodiment is corresponding with preceding method embodiment, for ease of reading, this dress Put the detail content not in preceding method embodiment to be repeated one by one, it should be understood that this reality Applying the device in example can correspond to the full content realized in preceding method embodiment, as shown in figure 4, Described device includes:Section unit 31, acquiring unit 32, query unit 33.

The acquiring unit 32, including:

Section module, for obtaining each isochronous surface correspondence time model respectively in units of isochronous surface Enclose interior data;

Persistence module, for data file, the number will to be obtained in the data persistence to file Named with corresponding time range according to file.

The query unit 33, including:

Processing module, corresponding object is obtained for pre-process the multiple data file Data file;

Enquiry module, every height is obtained for each subject data file according to querying condition traversal Data query result;

Summarizing module, for collect obtaining data query result each subdata Query Result.

The processing module, specifically for:

Multiple data files are carried out into unserializing treatment and obtains the corresponding object data text Part.

The enquiry module, specifically for:

Each described data file is parsed, and the content of data file is deserialized as object and is cached Get up, obtain the corresponding subject data file.

Another data query arrangement provided in an embodiment of the present invention, when data inquiry request is received, To the time range inquired about, unit is cut into slices to schedule, obtains multiple isochronous surfaces;With when Between section for unit obtain respectively each isochronous surface correspondence time range in data file;According to looking into Inquiry condition carries out data query to the multiple data files for getting, and obtains data query result, due to Each isochronous surface reads and the data cell of calculating is small, so the query performance in database can be very Height, can greatly improve the performance of the data query of Long time scale.With the data query of prior art Method is compared, and the present invention is solved by the way that by the time range of inquiry, unit is cut into slices to schedule Determined the problem of data base querying degraded performance, can the data more long to date span looked into real time Ask, while improve data query performance.

The data query arrangement includes processor and memory, above-mentioned section unit 31, collection unit 32 and the grade of query unit 33 as program unit storage in memory, by computing device storage exist Said procedure unit in memory realizes corresponding function.

Kernel is included in processor, is gone in memory to transfer corresponding program unit by kernel.Kernel can To set one or more, date span data more long are carried out in real time by adjusting kernel parameter Inquiry, while improve data query performance.

Memory potentially includes the volatile memory in computer-readable medium, random access memory The form such as device (RAM) and/or Nonvolatile memory, such as read-only storage (ROM) or flash memory (flash RAM), memory includes at least one storage chip.

Present invention also provides a kind of computer program product, when being performed on data processing equipment, It is adapted for carrying out the program code of initialization there are as below methods step:When data inquiry request is received, To the time range inquired about, unit is cut into slices to schedule, obtains multiple isochronous surfaces;With when Between section for unit obtain respectively each isochronous surface correspondence time range in data file;According to looking into Inquiry condition carries out data query to the multiple data files for getting, and obtains data query result..

It should be understood by those skilled in the art that, embodiments herein can be provided as method, system, Or computer program product.Therefore, the application can be implemented using complete hardware embodiment, complete software The form of the embodiment in terms of example or combination software and hardware.And, the application can be used at one Or multiple wherein includes the computer-usable storage medium of computer usable program code (including but not Be limited to magnetic disk storage, CD-ROM, optical memory etc.) on the computer program product implemented Form.

The application is with reference to the method according to the embodiment of the present application, equipment (system) and computer program The flow chart and/or block diagram of product is described.It should be understood that can be realized flowing by computer program instructions In each flow and/or square frame and flow chart and/or block diagram in journey figure and/or block diagram Flow and/or square frame combination.Can provide these computer program instructions to all-purpose computer, specially With the processor of computer, Embedded Processor or other programmable data processing devices producing one Machine so that produced by the instruction of computer or the computing device of other programmable data processing devices It is raw to be used to realize in one flow of flow chart or multiple flow and/or block diagram one square frame or multiple side The device of the function of being specified in frame.

These computer program instructions may be alternatively stored in can guide computer or other programmable datas to process In the computer-readable memory that equipment works in a specific way so that storage is deposited in the computer-readable Instruction in reservoir is produced and includes the manufacture of command device, and command device realization is in flow chart one The function of being specified in flow or multiple one square frame of flow and/or block diagram or multiple square frames.

These computer program instructions can also be loaded into computer or other programmable data processing devices On so that series of operation steps is performed on computer or other programmable devices to produce computer The treatment of realization, so as to the instruction performed on computer or other programmable devices is provided for realizing Specified in one flow of flow chart or multiple one square frame of flow and/or block diagram or multiple square frames The step of function.

In a typical configuration, computing device include one or more processors (CPU), input/ Output interface, network interface and internal memory.

Memory potentially includes the volatile memory in computer-readable medium, random access memory The form such as device (RAM) and/or Nonvolatile memory, such as read-only storage (ROM) or flash memory (flash RAM).Memory is the example of computer-readable medium.

Computer-readable medium includes that permanent and non-permanent, removable and non-removable media can be with Information Store is realized by any method or technique.Information can be computer-readable instruction, data knot Structure, the module of program or other data.The example of the storage medium of computer includes, but are not limited to phase Become internal memory (PRAM), static RAM (SRAM), dynamic random access memory (DRAM), other kinds of random access memory (RAM), read-only storage (ROM), electricity can Erasable programmable read-only memory (EPROM) (EEPROM), fast flash memory bank or other memory techniques, read-only light Disk read-only storage (CD-ROM), digital versatile disc (DVD) or other optical storages, magnetic Cassette tape, the storage of tape magnetic rigid disk or other magnetic storage apparatus or any other non-transmission medium, Can be used to store the information that can be accessed by a computing device.Defined according to herein, computer-readable Medium does not include temporary computer readable media (transitory media), such as data-signal and load of modulation Ripple.

Embodiments herein is these are only, the application is not limited to.For this area skill For art personnel, the application can have various modifications and variations.It is all spirit herein and principle it Interior made any modification, equivalent substitution and improvements etc., should be included in claims hereof model Within enclosing.

Claims (10)

1. a kind of data query method, it is characterised in that including:
When data inquiry request is received, to inquire about time range unit is carried out to schedule Section, obtains multiple isochronous surfaces;
Obtain the data text in each isochronous surface correspondence time range respectively in units of isochronous surface Part;
Data query is carried out to the multiple data files for getting according to querying condition, data query is obtained As a result.
2. method according to claim 1, it is characterised in that described in units of isochronous surface The data file in each isochronous surface correspondence time range is obtained respectively, including:
Obtain the data in each isochronous surface correspondence time range respectively in units of isochronous surface;
To obtain data file in the data persistence to file, the data file with it is corresponding when Between scope name.
3. method according to claim 1, it is characterised in that it is described according to querying condition to obtaining The multiple data files got carry out data query, obtain data query result, including:
The multiple data file pre-process and obtains corresponding subject data file;
Each subject data file according to querying condition traversal obtains each subdata Query Result;
Each subdata Query Result collect obtaining data query result.
4. method according to claim 3, it is characterised in that by the multiple data text Part pre-process and obtains corresponding subject data file and include:
Multiple data files are carried out into unserializing treatment and obtains the corresponding object data text Part.
5. method according to claim 4, it is characterised in that enter multiple data files The treatment of row unserializing obtains the corresponding subject data file to be included:
Each described data file is parsed, and the content of data file is deserialized as object and is cached Get up, obtain the corresponding subject data file.
6. a kind of data query arrangement, it is characterised in that including:
Section unit, for when data inquiry request is received, to the time range inquired about according to pre- Unit of fixing time is cut into slices, and obtains multiple isochronous surfaces;
Acquiring unit, for obtaining each isochronous surface correspondence time model respectively in units of isochronous surface Enclose interior data file;
Query unit, for carrying out data query to the multiple data files for getting according to querying condition, Obtain data query result.
7. device according to claim 6, it is characterised in that the acquiring unit, including:
Section module, for obtaining each isochronous surface correspondence time model respectively in units of isochronous surface Enclose interior data;
Persistence module, for data file, the number will to be obtained in the data persistence to file Named with corresponding time range according to file.
8. device according to claim 6, it is characterised in that the query unit, including:
Processing module, corresponding object is obtained for pre-process the multiple data file Data file;
Enquiry module, every height is obtained for each subject data file according to querying condition traversal Data query result;
Summarizing module, for collect obtaining data query result each subdata Query Result.
9. device according to claim 8, it is characterised in that the processing module, it is specific to use In:
Multiple data files are carried out into unserializing treatment and obtains the corresponding object data text Part.
10. device according to claim 8, it is characterised in that the enquiry module, specifically For:
Each described data file is parsed, and the content of data file is deserialized as object and is cached Get up, obtain the corresponding subject data file.
CN201510819257.4A 2015-11-23 2015-11-23 Data query method and device CN106776632A (en)

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