CN104346359B - A kind of method and apparatus for storing index - Google Patents
A kind of method and apparatus for storing index Download PDFInfo
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- CN104346359B CN104346359B CN201310323501.9A CN201310323501A CN104346359B CN 104346359 B CN104346359 B CN 104346359B CN 201310323501 A CN201310323501 A CN 201310323501A CN 104346359 B CN104346359 B CN 104346359B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/22—Indexing; Data structures therefor; Storage structures
Abstract
The invention discloses a kind of method and apparatus for storing index, belong to the communications field.Methods described includes：The content of the index field included according to index to be stored, the index field that the index to be stored includes is divided into light index field and weight index field；The light index field and weight index field are respectively stored in different storage mediums；And the association light index field and the heavy index field.Described device includes：Sort module, memory module and relating module.The present invention is by the way that light index field and weight index field are respectively stored in different storage mediums so that when reading index, the read-only light index field for taking family needs, saves flow.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of method and apparatus for storing index.
Background technology
Index is a kind of structure being ranked up to the value of the one or more columns per page in database table.Index includes multiple ropes
Draw field, when storing index, whole index fields that index includes are stored together；When reading index, can read simultaneously
Get whole index fields that index includes.
For example, photograph album index includes two index fields in photograph album address and Album properties information.In storage photograph album rope
When drawing, photograph album can be indexed to the photograph album address included and Album properties information is stored together.Reading photograph album index
When, photograph album address and Album properties information that photograph album index includes can be read.
During the present invention is realized, inventor has found that prior art at least has problems with：
Be stored together due to whole index fields for including will be indexed, cause to read when reading index include it is complete
Portion's index field, and partial index field is only needed to use sometimes, it is not necessary to another part index field used is also read,
Flow is caused to waste.
The content of the invention
In order to solve the problem of the prior art, the invention provides a kind of method and apparatus for storing index.The skill
Art scheme is as follows：
On the one hand, the invention provides a kind of method for storing index, methods described to include：
The content of the index field included according to index to be stored, the index field that the index to be stored is included
It is divided into light index field and weight index field；
The light index field and weight index field are respectively stored in different storage mediums；
And the association light index field and the heavy index field.
On the other hand, the invention provides a kind of device for storing index, described device to include：
Sort module, for the content of the index field included according to index to be stored, by the index to be stored
Including index field be divided into light index field and weight index field；
Memory module, for the light index field and weight index field to be respectively stored in different storage mediums；
Relating module, for associating the light index field and the heavy index field.
In embodiments of the present invention, the content of the index field included according to index to be stored, will be described to be stored
The index field that indexing includes is divided into light index field and weight index field；The light index field and weight index field are distinguished
It is stored in different storage mediums；And the association light index field and the heavy index field.The embodiment of the present invention is led to
Cross and be stored separately light index field and weight index field, when user, which reads, to be indexed, the read-only light index word for taking family needs
Section, will not cause flow to waste.Also, the light index field of association and weight index field, when user needs weight index field, root
Weight index field is obtained according to the corresponding relation of light index field and weight index field, disclosure satisfy that the demand of user.
Brief description of the drawings
Fig. 1 is a kind of method flow diagram for storage index that the embodiment of the present invention 1 provides；
Fig. 2 is a kind of method flow diagram for storage index that the embodiment of the present invention 2 provides；
Fig. 3 is the photograph album index storage mode schematic diagram that the embodiment of the present invention 2 provides；
Fig. 4 is the storage mode schematic diagram of the light index field that the embodiment of the present invention 2 provides and weight index field；
Fig. 5 is the schematic diagram that extended field is added in light index field that the embodiment of the present invention 2 provides；
Fig. 6 is a kind of apparatus structure schematic diagram for storage index that the embodiment of the present invention 3 provides；
Fig. 7 is a kind of another apparatus structure schematic diagram for storage index that the embodiment of the present invention 3 provides.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment 1
The embodiments of the invention provide a kind of method for storing index.Referring to Fig. 1, wherein, this method includes：
101：The content of the index field included according to index to be stored, the index field that index to be stored is included
It is divided into light index field and weight index field；
102：Light index field and weight index field are respectively stored in different storage mediums；
103：Associate light index field and weight index field.
Further, the content of the index field included according to index to be stored, the rope that index to be stored is included
Draw field and be divided into light index field and weight index field, including：
Receive the mark of the light index field of user's input and the mark of weight index field；
Index field corresponding with the mark of light index field is obtained in the index field included from index to be stored, and
The index field of acquisition is defined as light index field；
Index field corresponding with the mark of weight index field is obtained in the index field included from index to be stored, and
The index field of acquisition is determined into index field of attaching most importance to.
Further, it is described after light index field and weight index field being respectively stored in different storage mediums
Method also includes：
Receive and read light index field instruction, the reading index field instructs the mark for including light index field；
According to the light index field instruction of the reading, light index word is obtained from the storage medium for storing light index field
Section.
Further, after associating light index field and weight index field, methods described also includes：
Receive and read weight index field instruction, reading weight index field instruction includes the mark of light index field；
According to reading weight index field instruction, obtained from the storage medium for storing weight index field and light index
The heavy index field of light index field association corresponding to the mark of field.
Further, it is described after light index field and weight index field being respectively stored in different storage mediums
Method also includes：
Extended field is added in light index field, establishes new light index field, and by the mark of new light index field
Knowledge is stored in the extended field.
In embodiments of the present invention, the content of the index field included according to index to be stored, by index to be stored
Including index field be divided into light index field and weight index field；Light index field and weight index field are respectively stored in not
In same storage medium；And associate light index field and weight index field.The embodiment of the present invention by by light index field and
Weight index field is stored separately, and when user, which reads, to be indexed, the read-only light index field for taking family needs, flow will not be caused unrestrained
Take.Also, the light index field of association and weight index field, when user needs weight index field, according to light index field and again
The corresponding relation of index field obtains weight index field, disclosure satisfy that the demand of user.Further, add in light index field
Add extended field, establish new light index field, realize the extension of light index field quantity.
Embodiment 2
The embodiments of the invention provide a kind of method for storing index.Referring to Fig. 2, wherein, this method includes：
201：The content for the index field that terminal includes according to index to be stored, the index that index to be stored is included
Field is divided into light index field and weight index field；
Wherein, terminal can be mobile terminal or PC（Personal computer, personal computer）Terminal etc.；Rope
It is a kind of structure being ranked up to the value of the one or more columns per page in database to draw；The feature letter that index field includes for index
Breath；Light index field is the index field related to business；Weight index field be and the incoherent index field of business.
For example, in embodiments of the present invention, illustrated so that photograph album indexes as an example, photograph album index include photograph album address with
And Album properties information.Wherein, photograph album address and Album properties information are index field.With the related index field phase of business
Volume address is light index field；Attribute information with the incoherent index field photograph album of business is attached most importance to index field.
Wherein, the content for the index field that user includes according to index to be stored, by the index field related to business
It is defined as light index field；Index field incoherent with business is determined into index field of attaching most importance to；Light index word is inputted to terminal
The mark of section and the mark of weight index field.Terminal receives the mark of the light index field of user's input and the mark of weight index field
Know, and be divided into the index field that index to be stored includes gently according to the mark of light index field and the mark of weight index field
Index field and weight index field.
Wherein, the content of the index field included according to index to be stored, the index word that index to be stored is included
Section is divided into the operation of light index field and weight index field, Ke Yiwei：
Receive the mark of the light index field of user's input and the mark of weight index field；Include from index to be stored
Index field corresponding with the mark of light index field is obtained in index field, and the index field of acquisition is defined as gently indexing
Field；Index field corresponding with the mark of weight index field is obtained in the index field included from index to be stored, and will
The index field of acquisition determines index field of attaching most importance to.
For example, terminal receives the mark and weight index field Album properties letter of the light index field photograph album address of user's input
The mark of breath, the index field photograph album address included is indexed from photograph album to be stored according to the mark of light index field photograph album address
And index field photograph album address corresponding with the mark of light index field photograph album address is obtained in the attribute information of photograph album, and will
The index field photograph album address of acquisition is defined as light index field.According to the mark of weight index field Album properties information from waiting to deposit
The photograph album of storage indexes to be obtained and weight index field photograph album in the attribute information of the index field photograph album address included and photograph album
The attribute information of index field photograph album corresponding to the mark of attribute information, and the attribute information of the index field photograph album of acquisition is true
It is set to weight index field.
Wherein, Fig. 3 is the storage mode of photograph album index provided in an embodiment of the present invention.Referring to Fig. 3, wherein, index mark
For the QQ number of user, first order index field is the index field of photograph album, and second level index field is the index field of picture.Its
In, first order index field can be used as second level index field to identify, and the photograph album of user can be obtained by the QQ number of user
Index field, the index field of picture can be obtained according to the index field of the photograph album of user.
202：Light index field and weight index field are respectively stored in different storage mediums by terminal；
Specifically, light index field is stored in the first storage medium, weight index field is stored in into the second storage is situated between
In matter.
Wherein, the first storage medium and the second storage medium are the faster two different storage mediums of access speed.
Wherein, in order to ensure the performance of reading index field, the total length of all index fields is no more than 512KB, existing
Have in technology, when all index fields that index includes are stored in a kind of storage medium, the length of an index field is
300byte, therefore, in each index of user, 512KB/300byte=1750 index field can be preserved.Using the present invention
The method for the storage index that embodiment provides, light index field and weight index field that index to be stored includes are stored respectively
In different storage mediums, the length of one light index field is 120byte, therefore, in each index of user, Ke Yibao
Deposit 512KB/120byte=4370 index field.The light index field and weight index field that index to be stored is included are distinguished
It is stored in different storage mediums, by increasing capacitance it is possible to increase the quantity of light index field.
203：The light index field of terminal association and weight index field；
Specifically, the corresponding relation between the mark of light index field and the mark of weight index field is preserved.
Wherein, Fig. 4 is the light index field provided in an embodiment of the present invention for including index to be stored and weight index word
Section is respectively stored in the schematic diagram in different storage mediums.Referring to Fig. 4, wherein, gently index is identified as the light of photograph album to the first order
Index mark, the light index mark can be the QQ number of user；The light light index field of the index field 1...... first order of the first order
N is the light index field of photograph album.The first order indexes the mark of index again for being identified as photograph album again；First order weight index field is photograph album
Heavy index field.Wherein, the light index field of a photograph album includes multiple picture indices fields, and the second level gently indexes mark
Identified for the light index of picture；The light index field n in light index field 1 ... the second level in the second level is the light index field of picture.
The second level indexes the mark of index again for being identified as picture again；Second level weight index field is the heavy index field of picture.By photograph album
The light index field of light index field and picture be stored in the first storage medium；By the heavy index field and picture of photograph album
Weight index field is stored in the second storage medium.Wherein, the ID of photograph album is passed through（IDentity, identity number）By photograph album
Light index field and weight index field be associated, the light index field of picture and weight index field are entered by the ID of picture
Row association.
204：Terminal, which receives, reads light index field instruction, and the reading index field instructs the mark for including light index field
Know；
Wherein, when user needs to read light index field, send the light index field of reading and instruct to terminal, the reading rope
Draw the mark that field instruction includes light index field.Terminal receives the light index field instruction of reading that user sends.
205：Terminal instructs according to the light index field of the reading, is obtained from the storage medium for storing light index field
Light index field；
Specifically, the mark for the light index field that terminal includes according to the light index field instruction of the reading, from for depositing
Store up in the first storage medium gently indexed and obtain light index field.
Wherein, in embodiments of the present invention, light index field is the index field related to business, by reading light index
Field can obtain the index information of user's needs.
206：Terminal, which receives, reads weight index field instruction, and reading weight index field instruction includes the mark of light index field
Know；
Wherein, when user needs to read weight index field, the instruction for reading weight index field is sent to terminal, the reading
Weight index field instruction includes the mark of light index field；Terminal receives the reading weight index field instruction that user sends.
207：Terminal obtains according to reading weight index field instruction from the storage medium for storing weight index field
The heavy index field of light index field association corresponding with the mark of light index field；
Specifically, terminal obtains the light rope that the heavy index field instruction includes according to reading weight index field instruction
Draw the mark of field, according to the mark of light index field from the mark of the light index field stored and weight index field mark
Corresponding relation in, obtain weight index field mark；According to the mark of weight index field from for storing weight index field
Index field in being obtained in second storage medium.
208：Terminal adds extended field in light index field, establishes new light index field, and by new light index
The mark of field is stored in extended field.
Specifically, extended field is added in light index field, extended field points to another list, according to the extended field
Establish new light index field；The mark of new index field is stored in extended field.
Wherein, although the light index field and weight index field that index to be stored includes are respectively stored in into different deposit
In storage media, by increasing capacitance it is possible to increase the quantity of light index field, still, business development demand is still limited, in the embodiment of the present invention
In, extended field is added in light index field, establishes new light index field.The quantity of light index field can be increased.
Wherein, Fig. 5 is showing for the addition extended field provided in an embodiment of the present invention in the light index field of photograph album index
It is intended to.Referring to Fig. 5, wherein, the first order gently indexes the light index mark for being identified as photograph album, and the light index mark can be user's
QQ number；The light index field n of light index field 1 ... the first order of the first order is the light index field of photograph album, in the light index of photograph album
The first extended field is added in field, first extended field points to another list, is established according to first extended field new
Photograph album light index field.First order extended field is identified as the mark of the index field of new photograph album.New photograph album it is light
Index field includes the new light index field n of the first order of the first new light index field 1 ... of index field.The light rope in the second level
Draw the light index that field is picture to identify, the light index field n in light index field 1 ... the second level in the second level is the light index of picture
Field, the second extended field is added in the light index field of picture, second extended field points to another list, according to this
Second extended field establishes the light index field of new picture.Second level extended field is identified as the index field of new picture
Mark, the light index field of new picture include the new light index field in the second level of the light index field 1 ... in the new second level
n。
Wherein, extended field is added in light index field by terminal, establishes new light index field, and will be new light
The mark of index field is stored in extended field, can increase the quantity of light index field.
Further, in embodiments of the present invention, terminal can add extended field in weight index field, establish new
Weight index field, and the mark of new heavy index field is stored in extended field, with the quantity of increase weight index field.
In embodiments of the present invention, the content of the index field included according to index to be stored, by index to be stored
Including index field be divided into light index field and weight index field；Light index field and weight index field are respectively stored in not
In same storage medium；And associate light index field and weight index field.The embodiment of the present invention by by light index field and
Weight index field is stored separately, and when user, which reads, to be indexed, the read-only light index field for taking family needs, flow will not be caused unrestrained
Take.Also, the light index field of association and weight index field, when user needs weight index field, according to light index field and again
The corresponding relation of index field obtains weight index field, disclosure satisfy that the demand of user.Further, add in light index field
Add extended field, establish new light index field, realize the extension of light index field quantity.
Embodiment 3
The embodiments of the invention provide a kind of device for storing index.Referring to Fig. 6, wherein, the device includes：
Sort module 301, for the content of the index field included according to index to be stored, by index bag to be stored
The index field included is divided into light index field and weight index field；
Memory module 302, for light index field and weight index field to be respectively stored in different storage mediums；
Relating module 303, for associating light index field and weight index field.
Further, the embodiments of the invention provide a kind of device for storing index.Referring to Fig. 7, wherein, the device includes
Sort module 301, memory module 302 and relating module 303, the sort module 301, including：
Receiving unit 3011, for the mark of light index field and the mark of weight index field for receiving user's input；
First determining unit 3012, for being obtained in the index field that includes from index to be stored and light index field
Index field corresponding to mark, and index field is defined as light index field；
Second determining unit 3013, for being obtained in the index field that includes from index to be stored and weight index field
Index field corresponding to mark, and index field is determined into index field of attaching most importance to.
Further, the device also includes：
Receiving module 304, light index field instruction is read for receiving, reading index field instruction includes light index word
The mark of section；
Acquisition module 305, for being instructed according to the light index field of the reading, it is situated between from the storage for storing light index field
Light index field is obtained in matter.
Further, receiving module 304, it is additionally operable to receive and reads weight index field instruction, reading weight index field refers to
Order includes the mark of light index field；
Acquisition module 305, it is additionally operable to according to reading weight index field instruction, from the storage for storing weight index field
The heavy index field of light index field association corresponding with the mark of light index field is obtained in medium.
Further, the device also includes：
Module 306 is established, for adding extended field in light index field, establishes new light index field, and will be new
The mark of light index field be stored in extended field.
In embodiments of the present invention, the content of the index field included according to index to be stored, by index to be stored
Including index field be divided into light index field and weight index field；Light index field and weight index field are respectively stored in not
In same storage medium；And associate light index field and weight index field.The embodiment of the present invention by by light index field and
Weight index field is stored separately, and when user, which reads, to be indexed, the read-only light index field for taking family needs, flow will not be caused unrestrained
Take.Also, the light index field of association and weight index field, when user needs weight index field, according to light index field and again
The corresponding relation of index field obtains weight index field, disclosure satisfy that the demand of user.Further, add in light index field
Add extended field, establish new light index field, realize the extension of light index field quantity.
It should be noted that：The device for the storage index that above-described embodiment provides is when storing index, only with above-mentioned each work(
Can module division progress for example, in practical application, can be as needed and by above-mentioned function distribution by different functions
Module is completed, i.e., the internal structure of device is divided into different functional modules, described above all or part of to complete
Function.In addition, the embodiment of the method for the device and storage index for the storage index that above-described embodiment provides belongs to same design, its
Specific implementation process refers to embodiment of the method, repeats no more here.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
To complete, by program the hardware of correlation can also be instructed to complete, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
- A kind of 1. method for storing index, it is characterised in that methods described includes：The content of the index field included according to index to be stored, the index field that the index to be stored includes is divided into Light index field and weight index field, the light index field is the index field related to business, and passes through the light index Field can obtain the index information of user's needs, and the heavy index field is and the incoherent index field of business；The light index field and weight index field are respectively stored in different storage mediums；And the association light index field and the heavy index field.
- 2. the method as described in claim 1, it is characterised in that in the index field included according to index to be stored Hold, the index field that the index to be stored includes is divided into light index field and weight index field, including：Receive the mark of the light index field of user's input and the mark of weight index field；Index word corresponding with the mark of the light index field is obtained in the index field included from the index to be stored Section, and the index field is defined as the light index field；Index word corresponding with the mark of the heavy index field is obtained in the index field included from the index to be stored Section, and the index field is defined as the heavy index field.
- 3. the method as described in claim 1, it is characterised in that described to deposit the light index field and weight index field respectively After storage is in different storage mediums, methods described also includes：Receive and read light index field instruction, the index field that reads instructs the mark for including the light index field；Light index field instruction is read according to described, is obtained from the storage medium for storing the light index field described light Index field.
- 4. method as claimed in claim 3, it is characterised in that the association light index field and the heavy index field Afterwards, methods described also includes：Receive and read weight index field instruction, the reading weight index field instruction includes the mark of the light index field；According to it is described read weight index field instruction, from the storage medium for storing the heavy index field obtain with it is described The heavy index field of light index field association corresponding to the mark of light index field.
- 5. the method as described in claim 1, it is characterised in that described to deposit the light index field and weight index field respectively After storage is in different storage mediums, methods described also includes：Extended field is added in the light index field, establishes new light index field, and by the new light index field Mark be stored in the extended field.
- 6. a kind of device for storing index, it is characterised in that described device includes：Sort module, for the content of the index field included according to index to be stored, the index to be stored is included Index field be divided into light index field and weight index field, the light index field is the index field related to business, and The index information that user needs can be obtained by the light index field, the heavy index field is and the incoherent rope of business Draw field；Memory module, for the light index field and weight index field to be respectively stored in different storage mediums；Relating module, for associating the light index field and the heavy index field.
- 7. device as claimed in claim 6, it is characterised in that the sort module, including：Receiving unit, for the mark of light index field and the mark of weight index field for receiving user's input；First determining unit, for being obtained in the index field that includes from the index to be stored and the light index field Index field corresponding to mark, and the index field is defined as the light index field；Second determining unit, for being obtained in the index field that includes from the index to be stored and the heavy index field Index field corresponding to mark, and the index field is defined as the heavy index field.
- 8. device as claimed in claim 6, it is characterised in that described device also includes：Receiving module, light index field instruction is read for receiving, the reading index field instruction includes the light index word The mark of section；Acquisition module, for reading light index field instruction according to described, it is situated between from the storage for storing the light index field The light index field is obtained in matter.
- 9. device as claimed in claim 8, it is characterised in thatThe receiving module, it is additionally operable to receive and reads weight index field instruction, the reading weight index field instruction includes described The mark of light index field；The acquisition module, it is additionally operable to read weight index field instruction according to described, from for storing the heavy index field The heavy index field of light index field association corresponding with the mark of the light index field is obtained in storage medium.
- 10. device as claimed in claim 6, it is characterised in that described device also includes：Module is established, for adding extended field in the light index field, establishes new light index field, and will be described new The mark of light index field be stored in the extended field.
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| CN101944134B (en) * | 2010-10-18 | 2012-08-15 | 江苏大学 | Metadata server of mass storage system and metadata indexing method |
| CN102004769B (en) * | 2010-11-12 | 2013-03-27 | 华为数字技术（成都）有限公司 | File management method, equipment and memory system |
| CN103092848B (en) * | 2011-10-28 | 2016-09-07 | 浙江大华技术股份有限公司 | A kind of picture storage and retrieval method |
| US8832262B2 (en) * | 2011-12-15 | 2014-09-09 | Cisco Technology, Inc. | Normalizing network performance indexes |
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