CN109634529A - A kind of data compression method and decompressing method - Google Patents
A kind of data compression method and decompressing method Download PDFInfo
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- CN109634529A CN109634529A CN201811520507.4A CN201811520507A CN109634529A CN 109634529 A CN109634529 A CN 109634529A CN 201811520507 A CN201811520507 A CN 201811520507A CN 109634529 A CN109634529 A CN 109634529A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0614—Improving the reliability of storage systems
- G06F3/0617—Improving the reliability of storage systems in relation to availability
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0662—Virtualisation aspects
- G06F3/0667—Virtualisation aspects at data level, e.g. file, record or object virtualisation
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
Abstract
This application discloses a kind of data compression methods, comprising: obtains target original data；Using default compression algorithm, target original data compression is generated into destination packed data；Compress informational data is generated, compress informational data includes the information data of default compression algorithm；According to default encapsulation standard, compress informational data and destination packed data encapsulation are generated into compressed data packets, generate target original data to decompress destination packed data according to compress informational data when reading compressed data packets.The application utilizes the compress informational data that can determine used default compression algorithm when target original data are compressed, compressed data caused by solving the problems, such as because of system upgrade etc. can not normally be read, the normal use of storage system is ensured, applicability and compatibility are effectively improved, and effectively increases user experience.Disclosed herein as well is a kind of data compression device, equipment and a kind of data decompression method, apparatus and equipment, equally have above-mentioned beneficial effect.
Description
Technical field
This application involves technical field of memory, in particular to a kind of data compression method, device and equipment further relate to one kind
Data decompression method, apparatus and equipment.
Background technique
With the fast development and extensive use of big data and virtualization technology, set in this current mass data and storage
In the standby epoch to increase severely, storage application system is ever-changing, and even updates constantly carrying out system upgrade.However,
Since different storage systems default the compression algorithm used it can also happen that change, after system upgrade, it is likely that
The case where will appear the data that storage is compressed before can not reading system upgrade, this seriously affects the normal use of storage system
And reduce user experience.In consideration of it, the scheme for providing a kind of solution above-mentioned technical problem is that those skilled in the art are needed
Concern.
Summary of the invention
A kind of be designed to provide data compression method, device and equipment, the another object of the application of the application is
A kind of data decompression method, apparatus and equipment are provided, to effectively improve applicability and compatibility, solution is led because of system upgrade
The problem of compressed data of cause can not normally be read ensures the normal use of storage system.
In order to solve the above technical problems, in a first aspect, this application discloses a kind of data compression methods, comprising:
Obtain target original data；
Using default compression algorithm, the target original data compression is generated into destination packed data；
Compress informational data is generated, the compress informational data includes the information data of the default compression algorithm；
According to default encapsulation standard, the compress informational data and destination packed data encapsulation are generated into compressed data
Packet, described in decompressing destination packed data generation according to the compress informational data when reading the compressed data packets
Target original data.
Optionally, it is described by the target original data compression generation destination packed data include: utilize hardware-compressed card will
The target original data compression generates the destination packed data；
The compress informational data further includes the edition data of the driving of the hardware-compressed card.
Optionally, described that the compress informational data and destination packed data encapsulation are generated into compressed data packets packet
It includes:
The compressed data packets are encapsulated as using the compress informational data as header data and the destination packed data.
Second aspect, disclosed herein as well is a kind of data decompression methods, comprising:
Obtain the compressed data packets for generating compress informational data and destination packed data according to default encapsulation standard packaging；
The destination packed data is generated by target original data through default compression algorithm compression, and the compress informational data includes described pre-
If the information data of compression algorithm；
The compress informational data and the destination packed data are obtained according to the default encapsulation standard；
The default compression algorithm is determined according to the compress informational data；
Destination packed data decompression is generated into the target original data according to the default compression algorithm.
Optionally, the compress informational data further includes the edition data of the driving of hardware-compressed card；
It is described determine according to the compress informational data the default compression algorithm after, further includes:
Obtain the edition data of the driving of the hardware-compressed card；
The driving of the hardware-compressed card corresponding with the edition data is downloaded and installs, to utilize the hardware pressure
Destination packed data decompression is generated the target original data according to the default compression algorithm by contracting card.
Optionally, described to include: according to the default encapsulation standard acquisition compress informational data
According to the default encapsulation standard, the compression information being located in the packet header section of the compressed data packets is obtained
Data.
The third aspect, disclosed herein as well is a kind of data compression devices, comprising:
Former data acquisition module, for obtaining target original data；
Compression module, for using default compression algorithm, the target original data compression to be generated destination packed data；
Logging modle, for generating compress informational data, the compress informational data includes the default compression algorithm
Information data；
Package module, for according to default encapsulation standard, the compress informational data and the destination packed data to be sealed
Dress generates compressed data packets, to decompress the target pressure according to the compress informational data when decompressing the compressed data packets
Contracting data generate the target original data.
Fourth aspect, disclosed herein as well is a kind of data decompressors, comprising:
Compressed package obtains module, seals compress informational data and destination packed data according to default encapsulation standard for obtaining
Fill the compressed data packets generated；The destination packed data is generated by target original data through default compression algorithm compression, the pressure
Contracting information data includes the information data of the default compression algorithm；
Module is unsealed, for obtaining the compress informational data and the targeted compression number according to the default encapsulation standard
According to；
Determining module, for determining the default compression algorithm according to the compress informational data；
Decompression module, it is former for destination packed data decompression to be generated the target according to the default compression algorithm
Data.
5th aspect, disclosed herein as well is a kind of data compression devices, comprising:
Memory, for storing computer program；
Processor realizes the step of any data compression method as described above for executing the computer program
Suddenly.
6th aspect, disclosed herein as well is a kind of data decompression equipment, comprising:
Memory, for storing computer program；
Processor realizes the step of any data decompression method as described above for executing the computer program
Suddenly.
Data compression method provided herein includes: to obtain target original data；It, will be described using default compression algorithm
Target original data compression generates destination packed data；Compress informational data is generated, the compress informational data includes described default
The information data of compression algorithm；According to default encapsulation standard, the compress informational data and the destination packed data are encapsulated
Compressed data packets are generated, to decompress the targeted compression according to the compress informational data when reading the compressed data packets
Data generate the target original data.As it can be seen that present invention take advantage of that can be used for determining that target original data are compressed to targeted compression
It has been together constituted with compressed data packets progress with destination packed data by the compress informational data of default compression algorithm when data
Storage, so that being even if the compression algorithm of storage system default is changed in subsequent reading compressed data packets
System still can determine default compression algorithm corresponding with the destination packed data according to compress informational data, thus success
Decompression obtains target original data, and compressed data caused by solving the problems, such as because of system upgrade etc. can not normally be read, and ensures
The normal use of storage system effectively improves applicability and compatibility, and effectively increases user experience.The application is mentioned
Data compression device, equipment and the data decompression method, apparatus and equipment of confession equally have above-mentioned beneficial effect.
Detailed description of the invention
In order to illustrate more clearly of the technical solution in the prior art and the embodiment of the present application, below will to the prior art and
Attached drawing to be used is needed to make brief introduction in the embodiment of the present application description.Certainly, in relation to the attached drawing of the embodiment of the present application below
A part of the embodiment in only the application of description is not paying creativeness to those skilled in the art
Under the premise of labour, other attached drawings can also be obtained according to the attached drawing of offer, other accompanying drawings obtained also belong to the application
Protection scope.
Fig. 1 is a kind of flow chart of data compression method provided herein；
Fig. 2 is a kind of flow chart of data decompression method provided herein；
Fig. 3 is a kind of structural block diagram of data compression device provided herein；
Fig. 4 is a kind of structural block diagram of data decompressor provided herein.
Specific embodiment
The core of the application is to provide a kind of data compression method, device and equipment, another core of the application and is
A kind of data decompression method, apparatus and equipment are provided, to effectively improve applicability and compatibility, solution is led because of system upgrade
The problem of compressed data of cause can not normally be read ensures the normal use of storage system.
In order to which technical solutions in the embodiments of the present application is more clearly and completely described, below in conjunction with this Shen
Please attached drawing in embodiment, technical solutions in the embodiments of the present application is introduced.Obviously, described embodiment is only
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
The embodiment of the present application discloses a kind of data compression method, and shown referring to Fig.1, this method mainly includes following step
It is rapid:
S11: target original data are obtained.
S12: using default compression algorithm, target original data compression is generated into destination packed data.
S13: generating compress informational data, and compress informational data includes the information data of default compression algorithm.
S14: according to default encapsulation standard, generating compressed data packets for compress informational data and destination packed data encapsulation,
Target original data are generated to decompress destination packed data according to compress informational data when reading compressed data packets.
Specifically, due in the prior art carry out compression storage when, only by the target after target original data compression
Compressed data is stored, and does not record compression algorithm specifically used in compression process, therefore, once when storage system
System upgrading or other reasons and after having replaced compression algorithm, system, which will be unable to successfully decompress out, uses initial compression algorithm pressure
Contract the data generated, causes compressed data of the user before system upgrade can not be used, seriously affects storage system
Service operation and user experience.
Based on this, in data compression method provided herein, using current default compression algorithm that target is former
After data compression generates destination packed data, the information data of compression algorithm will further can be also preset about this as pressure
Contracting information data equally stores.The information data of described default compression algorithm is for determining the default compression algorithm, tool
Body may include identifier number (those skilled in the art can designed, designed) and related algorithm parameter of the default compression algorithm etc..Together
When, for the ease of identification, compress informational data itself is not necessarily to be compressed.
In addition, destination packed data and its compress informational data can be specifically described preset according to certain encapsulation standard
Encapsulation standard and form a compressed data packets to be stored.It is easily understood that default encapsulation standard is for identification
Which partial data is destination packed data in one compressed data packets and which partial data is compress informational data.
Wherein, as a preferred embodiment, described default encapsulation standard specifically can be with are as follows: makees compress informational data
Compressed data packets are encapsulated as header data and destination packed data.
Specifically, those skilled in the art's general custom will control class or mark category information is placed in packet header, therefore preferably
Ground, can be using compress informational data as header data.On this basis, the also settable verification data of packet tail, those skilled in the art
Member can voluntarily select and realization is arranged, and the application is not limited thereto.
It, can be according to default encapsulation standard in compressed data packets as a result, when subsequent when reading the compressed data packets
Destination packed data and compress informational data are recognized accurately respectively, and the targeted compression number is determined according to compress informational data
According to corresponding default compression algorithm, and then destination packed data can be solved according to the default compression algorithm determined
Pressure, to successfully obtain corresponding target original data.
Data compression method provided herein, by obtaining target original data；Using default compression algorithm, by target
Former data compression generates destination packed data；Compress informational data is generated, compress informational data includes the letter of default compression algorithm
Cease data；According to default encapsulation standard, compress informational data and destination packed data encapsulation are generated into compressed data packets, so as to
Destination packed data is decompressed according to compress informational data when depressurizing compression data packet and generates target original data.As it can be seen that the application is sharp
It, will with the compress informational data of default compression algorithm when can be used for determining that target original data are compressed to destination packed data
It has together constituted with compressed data packets with destination packed data and has been stored, so that even if the compression of storage system default is calculated
Method is changed in subsequent reading compressed data packets, and system still can be determined and is somebody's turn to do according to compress informational data
The corresponding default compression algorithm of destination packed data solves so that successfully decompression obtains target original data because of system upgrade etc.
The problem of caused compressed data can not normally be read has ensured the normal use of storage system, has effectively improved applicability
And compatibility, and effectively increase user experience.
Data compression method provided herein, on the basis of the above, as a kind of preferred embodiment, by mesh
Marking former data compression generation destination packed data includes:
Target original data compression is generated into destination packed data using hardware-compressed card；
The compress informational data further includes the edition data of the driving of hardware-compressed card.
Specifically, when being destination packed data by target original data compression, Software Compression and hardware pressure specifically can be used
Contracting two ways.Wherein, tool of compression used in hardware-compressed mode is hardware-compressed card, it needs storage system to install
Corresponding driving.Driving due to hardware-compressed card there is also there is the case where upgrading, in this embodiment, it is preferred that, also
Also the edition data of the driving of hardware-compressed card can be regard as compress informational data, the information data one with default compression algorithm
With storing, also to determine the driving of corresponding hardware-compressed card when reading compressed data packets, to successfully complete mesh
The decompression for marking former data is read.
Also need supplement is, it is preferable that improves for the ease of follow-up function or the exploitation of other function, in addition to default pressure
Other than the edition data of information data and hardware-compressed the card driving of compression algorithm, those skilled in the art can also be in compression information
One reserved field is set in data, to cope with the demand for adding other data.
Data decompression method provided herein is introduced below.Referring to shown in Fig. 2, this method mainly include with
Lower step:
S21: the compression number for generating compress informational data and destination packed data according to default encapsulation standard packaging is obtained
According to packet；Destination packed data is generated by target original data through default compression algorithm compression, and compress informational data includes default compression
The information data of algorithm.
S22: compress informational data and destination packed data are obtained according to default encapsulation standard.
S23: default compression algorithm is determined according to compress informational data.
S24: destination packed data is decompressed according to default compression algorithm and generates target original data.
The particular content of data decompression method provided herein can be corresponded to reference to previously described data compression method,
Identical content just repeats no more here.
Data decompression method provided herein, by obtaining compress informational data and destination packed data according to pre-
If encapsulating the compressed data packets that standard packaging generates；Wherein, destination packed data is by target original data through default compression algorithm pressure
Contracting generates, and compress informational data includes the information data of default compression algorithm；Compression Information Number is obtained according to default encapsulation standard
According to and destination packed data, and default compression algorithm is determined according to compress informational data；To according to default compression algorithm by mesh
It marks compressed data decompression and generates target original data.As it can be seen that present invention take advantage of that can be used for determining that target original data are compressed to mesh
Default compression algorithm when marking compressed data simultaneously together constitutes with compressed data packets with destination packed data and the compression that is stored
Information data, so that being even if the compression algorithm of storage system default is changed in subsequent reading compressed data packets
System still can determine default compression algorithm corresponding with the destination packed data according to compress informational data, thus success
Decompression obtains target original data, and compressed data caused by solving the problems, such as because of system upgrade etc. can not normally be read, and ensures
The normal use of storage system effectively improves applicability and compatibility, and effectively increases user experience.
A kind of data decompression method provided herein, on the basis of the above, as preferred embodiment, compression
Information data further includes the edition data of the driving of hardware-compressed card；
After determining default compression algorithm according to compress informational data, further includes:
Obtain the edition data of the driving of hardware-compressed card；
The driving of hardware-compressed card corresponding with edition data is downloaded and installs, to utilize hardware-compressed card, according to pre-
If destination packed data is decompressed and generates target original data by compression algorithm.
Data decompression method provided herein, on the basis of the above, as a kind of preferred embodiment, according to
Default encapsulation standard obtains compress informational data
According to default encapsulation standard, the compress informational data being located in the packet header section of compressed data packets is obtained.
Data compression device provided herein is introduced below.
Referring to Fig. 3, Fig. 3 is a kind of structural block diagram of data compression device provided herein, comprising:
Former data acquisition module 31, for obtaining target original data；
Compression module 32, for using default compression algorithm, target original data compression to be generated destination packed data；
Logging modle 33, for generating compress informational data, compress informational data includes the Information Number of default compression algorithm
According to；
Package module 34, for according to default encapsulation standard, compress informational data and destination packed data encapsulation to be generated
Compressed data packets generate target original number to decompress destination packed data according to compress informational data in depressurizing compression data packet
According to.
As it can be seen that data compression device provided herein, is utilized and can be used for determining that target original data are compressed to mesh
The compress informational data of default compression algorithm when mark compressed data, has together constituted with compressed data with destination packed data for it
Packet is stored, so that even if the compression algorithm of storage system default is become in subsequent reading compressed data packets
More, system still can determine default compression algorithm corresponding with the destination packed data according to compress informational data, from
And successfully decompress and obtain target original data, compressed data caused by solving the problems, such as because of system upgrade etc. can not normally be read,
The normal use for having ensured storage system effectively improves applicability and compatibility, and effectively increases user experience.
On the basis of above content, as a kind of preferred embodiment, in data compression device provided herein, compression
Module 32 is specifically used for: target original data compression being generated destination packed data using hardware-compressed card；Compress informational data is also
The edition data of driving including hardware-compressed card.
On the basis of above content, as a kind of preferred embodiment, in data compression device provided herein, encapsulation
Module 34 is specifically used for: being encapsulated as compressed data packets for compress informational data as header data and destination packed data.
Data decompressor provided herein is introduced below.
Referring to Fig. 4, Fig. 4 is a kind of structural block diagram of data decompressor provided herein, comprising:
Compressed package obtains module 41, for obtaining compress informational data and destination packed data according to default encapsulation standard
Encapsulate the compressed data packets generated；Destination packed data is generated by target original data through default compression algorithm compression, compresses information
Data include the information data of default compression algorithm；
Module 42 is unsealed, for obtaining compress informational data and destination packed data according to default encapsulation standard；
Determining module 43, for determining default compression algorithm according to compress informational data；
Decompression module 44 generates target original data for decompressing destination packed data according to default compression algorithm.
As it can be seen that data decompressor provided herein, is utilized and can be used for determining that target original data are compressed to mesh
Default compression algorithm when marking compressed data simultaneously together constitutes with compressed data packets with destination packed data and the compression that is stored
Information data, so that being even if the compression algorithm of storage system default is changed in subsequent reading compressed data packets
System still can determine default compression algorithm corresponding with the destination packed data according to compress informational data, thus success
Decompression obtains target original data, and compressed data caused by solving the problems, such as because of system upgrade etc. can not normally be read, and ensures
The normal use of storage system effectively improves applicability and compatibility, and effectively increases user experience.
On the basis of above content, as a kind of preferred embodiment, in data decompressor provided herein, compression
Information data further includes the edition data of the driving of hardware-compressed card；Decompression module 44 is specifically used for: obtaining hardware-compressed card
The edition data of driving；Download and install the driving of hardware-compressed card corresponding with edition data；Using hardware-compressed card, according to
Default compression algorithm, which decompresses destination packed data, generates target original data.
On the basis of above content, as a kind of preferred embodiment, in data decompressor provided herein, deblocking
Module 42 is specifically used for: according to default encapsulation standard, obtaining the compress informational data being located in the packet header section of compressed data packets.
Further, disclosed herein as well is a kind of data compression devices, comprising:
Memory, for storing computer program；
Processor realizes the step of any data compression method as described above for executing the computer program
Suddenly.
Further, disclosed herein as well is a kind of data decompression equipment, comprising:
Memory, for storing computer program；
Processor realizes the step of any data decompression method as described above for executing the computer program
Suddenly.
Each embodiment is described in a progressive manner in the application, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment, set
For standby, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part
Explanation.
It should be noted that in present specification, the relational terms of such as " first " and " second " etc are used merely to
One entity or operation and another entity or operate is distinguished, without necessarily requiring or implying these entities or
There are any actual relationship or orders between person's operation.In addition, the terms "include", "comprise" or its any other
Variant is intended to non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only
It including those elements, but also including other elements that are not explicitly listed, or further include for this process, method, object
Product or the intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...",
It is not precluded in the process, method, article or apparatus that includes the element that there is also other identical elements.
Technical solution provided herein is described in detail above.Specific case used herein is to this Shen
Principle and embodiment please is expounded, the present processes that the above embodiments are only used to help understand and its
Core concept.It should be pointed out that for those skilled in the art, in the premise for not departing from the application principle
Under, can also to the application, some improvement and modification can also be carried out, these improvement and modification are also fallen into the protection scope of the application.
Claims (10)
1. a kind of data compression method characterized by comprising
Obtain target original data；
Using default compression algorithm, the target original data compression is generated into destination packed data；
Compress informational data is generated, the compress informational data includes the information data of the default compression algorithm；
According to default encapsulation standard, the compress informational data and destination packed data encapsulation are generated into compressed data packets,
The mesh is generated to decompress the destination packed data according to the compress informational data when reading the compressed data packets
Mark former data.
2. data compression method according to claim 1, which is characterized in that
Described by target original data compression generation destination packed data includes: using hardware-compressed card by the target original number
The destination packed data is generated according to compression；
The compress informational data further includes the edition data of the driving of the hardware-compressed card.
3. data compression method according to claim 1 or 2, which is characterized in that described by the compress informational data
Encapsulating generation compressed data packets with the destination packed data includes:
The compressed data packets are encapsulated as using the compress informational data as header data and the destination packed data.
4. a kind of data decompression method characterized by comprising
Obtain the compressed data packets for generating compress informational data and destination packed data according to default encapsulation standard packaging；It is described
Destination packed data is generated by target original data through default compression algorithm compression, and the compress informational data includes the default pressure
The information data of compression algorithm；
The compress informational data and the destination packed data are obtained according to the default encapsulation standard；
The default compression algorithm is determined according to the compress informational data；
Destination packed data decompression is generated into the target original data according to the default compression algorithm.
5. data decompression method according to claim 4, which is characterized in that the compress informational data further includes hardware pressure
The edition data of the driving of contracting card；
It is described determine according to the compress informational data the default compression algorithm after, further includes:
Obtain the edition data of the driving of the hardware-compressed card；
The driving of the hardware-compressed card corresponding with the edition data is downloaded and installs, to utilize the hardware-compressed
Destination packed data decompression is generated the target original data according to the default compression algorithm by card.
6. according to data decompression method described in claim 4 or 5, which is characterized in that described to be marked according to the default encapsulation
Standard obtains the compress informational data
According to the default encapsulation standard, the compression Information Number being located in the packet header section of the compressed data packets is obtained
According to.
7. a kind of data compression device characterized by comprising
Former data acquisition module, for obtaining target original data；
Compression module, for using default compression algorithm, the target original data compression to be generated destination packed data；
Logging modle, for generating compress informational data, the compress informational data includes the information of the default compression algorithm
Data；
Package module, for according to default encapsulation standard, the compress informational data and destination packed data encapsulation to be given birth to
At compressed data packets, to decompress the targeted compression number according to the compress informational data when decompressing the compressed data packets
According to the generation target original data.
8. a kind of data decompressor characterized by comprising
Compressed package obtains module, for obtaining that compress informational data and destination packed data is raw according to default encapsulation standard packaging
At compressed data packets；The destination packed data is generated by target original data through default compression algorithm compression, the compression letter
Breath data include the information data of the default compression algorithm；
Module is unsealed, for obtaining the compress informational data and the destination packed data according to the default encapsulation standard；
Determining module, for determining the default compression algorithm according to the compress informational data；
Decompression module, for destination packed data decompression to be generated the target original number according to the default compression algorithm
According to.
9. a kind of data compression device characterized by comprising
Memory, for storing computer program；
Processor, for executing the computer program to realize data compression method as described in any one of claims 1 to 3
The step of.
10. a kind of data decompression equipment characterized by comprising
Memory, for storing computer program；
Processor, for executing the computer program to realize such as the described in any item data decompression methods of claim 4 to 6
The step of.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111835686A (en) * | 2019-04-19 | 2020-10-27 | 百度在线网络技术（北京）有限公司 | Data compression method, data decompression method, data compression device, data decompression device, electronic equipment and storage medium |
| WO2021104478A1 (en) * | 2019-11-29 | 2021-06-03 | 阿里巴巴集团控股有限公司 | Query operation instruction optimization method and apparatus, electronic device and storage medium |
| CN113704206A (en) * | 2021-10-29 | 2021-11-26 | 苏州浪潮智能科技有限公司 | Metadata processing method and device, electronic equipment and storage medium |
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