CN104346359A - Method and device for storing index - Google Patents
Method and device for storing index Download PDFInfo
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- CN104346359A CN104346359A CN201310323501.9A CN201310323501A CN104346359A CN 104346359 A CN104346359 A CN 104346359A CN 201310323501 A CN201310323501 A CN 201310323501A CN 104346359 A CN104346359 A CN 104346359A
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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 method and device for storing an index, and belongs to the field of communication. The method comprises the following steps: dividing an index field included in the index to be stored into a light index field and a heavy index field according to the content of the index field included in the index to be stored; respectively storing the light index field and the heavy index field into different storage mediums; relating the light index field and the heavy index field. The device comprises a classifying module, a storing module and a relating module. According to the method and device for storing the index, the light index field and the heavy index field are respectively stored into different storage mediums; when reading the index, the light index field can be read only as the user requirement, so that the traffic is saved.
Description
Technical field
The present invention relates to the communications field, particularly a kind of method and apparatus storing index.
Background technology
Index is a kind of structure sorted to the row in database table or the value of multiple row.Index comprises multiple index field, and when storing index, the whole index fields comprised by index are stored together; When reading index, whole index fields that index comprises can be read simultaneously.
Such as, photograph album index comprises photograph album address and Album properties information two index fields.When storing photograph album index, the photograph album address that photograph album index can be comprised and Album properties information are stored together.When reading photograph album index, photograph album address and Album properties information that photograph album index comprises can be read.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
Because the whole index fields comprised by index are stored together, cause reading when reading whole index fields that index comprises, and sometimes only need to use partial index field, do not need another part index field used to be read yet, cause flow to waste.
Summary of the invention
In order to make the problem of solution prior art, the invention provides a kind of method and apparatus storing index.Described technical scheme is as follows:
On the one hand, the invention provides a kind of method storing index, described method comprises:
According to the content of the index field that index to be stored comprises, the index field that described index to be stored comprises is divided into light index field and heavy index field;
Described light index field and heavy index field are stored in different storage mediums respectively;
And, associate described light index field and described heavy index field.
On the other hand, the invention provides a kind of device storing index, described device comprises:
Sort module, for the content of index field comprised according to index to be stored, is divided into light index field and heavy index field by the index field that described index to be stored comprises;
Memory module, for being stored in different storage mediums respectively by described light index field and heavy index field;
Relating module, for associating described light index field and described heavy index field.
In embodiments of the present invention, according to the content of the index field that index to be stored comprises, the index field that described index to be stored comprises is divided into light index field and heavy index field; Described light index field and heavy index field are stored in different storage mediums respectively; And, associate described light index field and described heavy index field.The embodiment of the present invention is by separately storing light index field and heavy index field, and when user reads index, the read-only light index field of taking family and needing, can not cause flow to waste.Further, associate light index field and heavy index field, when user needs heavy index field, the corresponding relation according to light index field and heavy index field obtains heavy index field, can meet the demand of user.
Accompanying drawing explanation
Fig. 1 is a kind of method flow diagram storing index that the embodiment of the present invention 1 provides;
Fig. 2 is a kind of method flow diagram storing index that the embodiment of the present invention 2 provides;
Fig. 3 is the photograph album index stores mode schematic diagram that the embodiment of the present invention 2 provides;
Fig. 4 is the light index field that the embodiment of the present invention 2 provides and the storage mode schematic diagram weighing index field;
Fig. 5 is the schematic diagram adding extended field in light index field that the embodiment of the present invention 2 provides;
Fig. 6 is a kind of apparatus structure schematic diagram storing index that the embodiment of the present invention 3 provides;
Fig. 7 is a kind of another apparatus structure schematic diagram storing index that the embodiment of the present invention 3 provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1
Embodiments provide a kind of method storing index.See Fig. 1, wherein, the method comprises:
101: according to the content of the index field that index to be stored comprises, the index field that index to be stored comprises is divided into light index field and heavy index field;
102: light index field and heavy index field are stored in different storage mediums respectively;
103: associate light index field and heavy index field.
Further, according to the content of the index field that index to be stored comprises, the index field that index to be stored comprises is divided into light index field and heavy index field, comprises:
Receive the mark of the light index field of user's input and the mark of heavy index field;
From the index field that index to be stored comprises, obtain the index field corresponding with the mark of light index field, and the index field of acquisition is defined as light index field;
From the index field that index to be stored comprises, obtain the index field corresponding with the mark of heavy index field, and the index field of acquisition is determined index field of attaching most importance to.
Further, after being stored in different storage mediums respectively by light index field and heavy index field, described method also comprises:
Receive and read light index field instruction, this reading index field instruction comprises the mark of light index field;
According to the light index field instruction of this reading, from the storage medium for storing light index field, obtain light index field.
Further, after associating light index field and heavy index field, described method also comprises:
Receive and read heavy index field instruction, the heavy index field instruction of this reading comprises the mark of light index field;
According to the heavy index field instruction of this reading, from the storage medium for storing heavy index field, obtain the heavy index field that the light index field corresponding with the mark of light index field associates.
Further, after being stored in different storage mediums respectively by light index field and heavy index field, described method also comprises:
In light index field, add extended field, set up new light index field, and the mark of new light index field is stored in this extended field.
In embodiments of the present invention, according to the content of the index field that index to be stored comprises, the index field that index to be stored comprises is divided into light index field and heavy index field; Light index field and heavy index field are stored in different storage mediums respectively; And, associate light index field and heavy index field.The embodiment of the present invention is by separately storing light index field and heavy index field, and when user reads index, the read-only light index field of taking family and needing, can not cause flow to waste.Further, associate light index field and heavy index field, when user needs heavy index field, the corresponding relation according to light index field and heavy index field obtains heavy index field, can meet the demand of user.Further, in light index field, add extended field, set up new light index field, achieve the expansion of light index field quantity.
Embodiment 2
Embodiments provide a kind of method storing index.See Fig. 2, wherein, the method comprises:
201: the content of the index field that terminal comprises according to index to be stored, the index field that index to be stored comprises is divided into light index field and heavy index field;
Wherein, terminal can be mobile terminal or PC(personal computer, personal computer) terminal etc.; Index is a kind of structure sorted to the row in database or the value of multiple row; Index field is the characteristic information that index comprises; Light index field is the index field relevant to business; Heavy index field is incoherent index field with business.
Such as, in embodiments of the present invention, be described for photograph album index, photograph album index comprises photograph album address and Album properties information.Wherein, photograph album address and Album properties information are index field.The index field photograph album address relevant with business 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 of the index field that user comprises according to index to be stored, is defined as light index field by the index field relevant to business; Index field of attaching most importance to will be determined with the incoherent index field of business; The mark of light index field and the mark of heavy index field is inputted to terminal.Terminal receives the mark of the light index field of user's input and the mark of heavy index field, and according to the mark of light index field and the mark of heavy index field, the index field that index to be stored comprises is divided into light index field and heavy index field.
Wherein, according to the content of the index field that index to be stored comprises, the index field that index to be stored comprises is divided into the operation of light index field and heavy index field, Ke Yiwei:
Receive the mark of the light index field of user's input and the mark of heavy index field; From the index field that index to be stored comprises, obtain the index field corresponding with the mark of light index field, and the index field of acquisition is defined as light index field; From the index field that index to be stored comprises, obtain the index field corresponding with the mark of heavy index field, and the index field of acquisition is determined index field of attaching most importance to.
Such as, terminal receives the mark of the light index field photograph album address of user's input and the mark of heavy index field Album properties information, from the attribute information of the index field photograph album address that photograph album index to be stored comprises and photograph album, obtain the index field photograph album address corresponding with the mark of light index field photograph album address according to the mark of light index field photograph album address, and the index field photograph album address of acquisition is defined as light index field.From the attribute information of the index field photograph album address that photograph album index to be stored comprises and photograph album, obtain the attribute information of the index field photograph album corresponding with the mark of the heavy attribute information of index field photograph album according to the mark of heavy index field Album properties information, and the attribute information of the index field photograph album of acquisition is determined index field of attaching most importance to.
Wherein, Fig. 3 is the storage mode of the photograph album index that the embodiment of the present invention provides.See Fig. 3, wherein, index is designated No. QQ of user, and first order index field is the index field of photograph album, and second level index field is the index field of picture.Wherein, first order index field can identify as second level index field, can be obtained the index field of the photograph album of user, can obtain the index field of picture according to the index field of the photograph album of user by No. QQ of user.
202: light index field and heavy index field are stored in different storage mediums by terminal respectively;
Particularly, light index field is stored in the first storage medium, heavy index field is stored in the second storage medium.
Wherein, the first storage medium and the second storage medium are access speed two different storage mediums faster.
Wherein, in order to ensure the performance reading index field, the total length of all index fields is no more than 512KB, in the prior art, when all index fields comprised by index 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.The method of the storage index adopting the embodiment of the present invention to provide, the light index field comprised by index to be stored and heavy index field are stored in different storage mediums respectively, the length of a light index field is 120byte, therefore, in each index of user, 512KB/120byte=4370 index field can be preserved.The light index field comprised by index to be stored and heavy index field are stored in different storage mediums respectively, can increase the quantity of light index field.
203: the light index field of terminal association and heavy index field;
Particularly, the corresponding relation between the mark of light index field and the mark of heavy index field is preserved.
Wherein, Fig. 4 is the schematic diagram that the light index field comprised by index to be stored that provides of the embodiment of the present invention and heavy index field are stored in different storage mediums respectively.See Fig. 4, wherein, the light index of the first order is designated the light index mark of photograph album, and this light index mark can be No. QQ of user; The first order light index field 1...... first order light index field n is the light index field of photograph album.The heavy index of the first order is designated the heavy index mark of photograph album; The heavy index field of the first order is the heavy index field of photograph album.Wherein, the light index field of a photograph album comprises multiple picture indices field, and the light index in the second level is designated the light index mark of picture; The light index field 1 in the second level ... the second level light index field n is the light index field of picture.The heavy index in the second level is designated the heavy index mark of picture; The heavy index field in the second level is the heavy index field of picture.The light index field of photograph album and the light index field of picture are stored in the first storage medium; The heavy index field of photograph album and the heavy index field of picture are stored in the second storage medium.Wherein, by the ID(IDentity of photograph album, identify label number) the light index field of photograph album is associated with heavy index field, by the ID of picture, the light index field of picture is associated with heavy index field.
204: terminal receives and reads light index field instruction, and this reading index field instruction comprises the mark of light index field;
Wherein, when user needs to read light index field, send and read light index field instruction to terminal, this reading index field instruction comprises the mark of light index field.Terminal receives the light index field instruction of reading that user sends.
205: terminal, according to the light index field instruction of this reading, obtains light index field from the storage medium for storing light index field;
Particularly, the mark of the light index field that terminal comprises according to the instruction of this reading light index field, obtains light index field from the first storage medium for storing light index.
Wherein, in embodiments of the present invention, light index field is the index field relevant to business, can obtain the index information of user's needs by reading light index field.
206: terminal receives and reads heavy index field instruction, the heavy index field instruction of this reading comprises the mark of light index field;
Wherein, when user needs to read heavy index field, send the instruction of the heavy index field of reading to terminal, the heavy index field instruction of this reading comprises the mark of light index field; Terminal receives the heavy index field instruction of reading that user sends.
207: terminal, according to the heavy index field instruction of this reading, obtains the heavy index field that the light index field corresponding with the mark of light index field associates from the storage medium for storing heavy index field;
Particularly, terminal is according to the heavy index field instruction of this reading, obtain the mark of the light index field that this heavy index field instruction comprises, according to the mark of light index field from the corresponding relation of the mark of the mark of the light index field stored and heavy index field, obtain the mark of heavy index field; Index field in obtaining from the second storage medium for storing heavy index field according to the mark of heavy index field.
208: terminal adds extended field in light index field, set up new light index field, and the mark of new light index field is stored in extended field.
Particularly, in light index field, add extended field, extended field points to another list, sets up new light index field according to this extended field; The mark of new index field is stored in extended field.
Wherein, although the light index field comprised by index to be stored and heavy index field are stored in different storage mediums respectively, the quantity of light index field can be increased, but, still business development demand is limited, in embodiments of the present invention, in light index field, add extended field, set up new light index field.The quantity of light index field can be increased.
Wherein, Fig. 5 is the schematic diagram adding extended field in the light index field of photograph album index that the embodiment of the present invention provides.See Fig. 5, wherein, the light index of the first order is designated the light index mark of photograph album, and this light index mark can be No. QQ of user; The light index field 1 of the first order ... the first order light index field n is the light index field of photograph album, the first extended field is added in the light index field of photograph album, this first extended field points to another list, sets up the light index field of new photograph album according to this first extended field.First order extended field is designated the mark of the index field of new photograph album.The light index field of new photograph album comprises the first new light index field 1 of index field ... the light index field n of the new first order.The light index field in the second level is the light index mark of picture, the light index field 1 in the second level ... the second level light index field n is the light index field of picture, the second extended field is added in the light index field of picture, this second extended field points to another list, sets up the light index field of new picture according to this second extended field.Second level extended field is designated the mark of the index field of new picture, and the light index field of new picture comprises the light index field 1 in the new second level ... the light index field n in the new second level.
Wherein, in light index field, add extended field by terminal, set up new light index field, and the mark of new light index field is stored in extended field, the quantity of light index field can be increased.
Further, in embodiments of the present invention, terminal can add extended field in heavy index field, sets up new heavy index field, and is stored in extended field by the mark of new heavy index field, to increase the quantity of heavy index field.
In embodiments of the present invention, according to the content of the index field that index to be stored comprises, the index field that index to be stored comprises is divided into light index field and heavy index field; Light index field and heavy index field are stored in different storage mediums respectively; And, associate light index field and heavy index field.The embodiment of the present invention is by separately storing light index field and heavy index field, and when user reads index, the read-only light index field of taking family and needing, can not cause flow to waste.Further, associate light index field and heavy index field, when user needs heavy index field, the corresponding relation according to light index field and heavy index field obtains heavy index field, can meet the demand of user.Further, in light index field, add extended field, set up new light index field, achieve the expansion of light index field quantity.
Embodiment 3
Embodiments provide a kind of device storing index.See Fig. 6, wherein, this device comprises:
Sort module 301, for the content of index field comprised according to index to be stored, is divided into light index field and heavy index field by the index field that index to be stored comprises;
Memory module 302, for being stored in different storage mediums respectively by light index field and heavy index field;
Relating module 303, for associating light index field and heavy index field.
Further, a kind of device storing index is embodiments provided.See Fig. 7, wherein, this device comprises sort module 301, memory module 302 and relating module 303, and this sort module 301, comprising:
Receiving element 3011, for receiving the mark of the light index field of user's input and weighing the mark of index field;
First determining unit 3012, for obtaining the index field corresponding with the mark of light index field in the index field that comprises from index to be stored, and is defined as light index field by index field;
Second determining unit 3013, for obtaining the index field corresponding with the mark of weight index field in the index field that comprises from index to be stored, and determines index field index field of attaching most importance to.
Further, this device also comprises:
Receiver module 304, read light index field instruction for receiving, this reading index field instruction comprises the mark of light index field;
Acquisition module 305, for according to the light index field instruction of this reading, obtains light index field from the storage medium for storing light index field.
Further, receiver module 304, also reads heavy index field instruction for receiving, and the heavy index field instruction of this reading comprises the mark of light index field;
Acquisition module 305, also for according to the heavy index field instruction of this reading, obtains the heavy index field that the light index field corresponding with the mark of light index field associates from the storage medium for storing heavy index field.
Further, this device also comprises:
Set up module 306, for adding extended field in light index field, set up new light index field, and the mark of new light index field is stored in extended field.
In embodiments of the present invention, according to the content of the index field that index to be stored comprises, the index field that index to be stored comprises is divided into light index field and heavy index field; Light index field and heavy index field are stored in different storage mediums respectively; And, associate light index field and heavy index field.The embodiment of the present invention is by separately storing light index field and heavy index field, and when user reads index, the read-only light index field of taking family and needing, can not cause flow to waste.Further, associate light index field and heavy index field, when user needs heavy index field, the corresponding relation according to light index field and heavy index field obtains heavy index field, can meet the demand of user.Further, in light index field, add extended field, set up new light index field, achieve the expansion of light index field quantity.
It should be noted that: the device of the storage index that above-described embodiment provides is when storing index, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, inner structure by device is divided into different functional modules, to complete all or part of function described above.In addition, the device of the storage index that above-described embodiment provides belongs to same design with the embodiment of the method storing index, and its specific implementation process refers to embodiment of the method, repeats no more here.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be ROM (read-only memory), disk or CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. store a method for index, it is characterized in that, described method comprises:
According to the content of the index field that index to be stored comprises, the index field that described index to be stored comprises is divided into light index field and heavy index field;
Described light index field and heavy index field are stored in different storage mediums respectively;
And, associate described light index field and described heavy index field.
2. the method for claim 1, is characterized in that, the content of the described index field comprised according to index to be stored, the index field that described index to be stored comprises is divided into light index field and heavy index field, comprises:
Receive the mark of the light index field of user's input and the mark of heavy index field;
From the index field that described index to be stored comprises, obtain the index field corresponding with the mark of described light index field, and described index field is defined as described light index field;
From the index field that described index to be stored comprises, obtain the index field corresponding with the mark of described heavy index field, and described index field is defined as described heavy index field.
3. the method for claim 1, is characterized in that, described by described light index field with after heavily index field is stored in different storage mediums respectively, described method also comprises:
Receive and read light index field instruction, the instruction of described reading index field comprises the mark of described light index field;
According to the light index field instruction of described reading, from the storage medium for storing described light index field, obtain described light index field.
4. method as claimed in claim 3, is characterized in that, after the described light index field of described association and described heavy index field, described method also comprises:
Receive and read heavy index field instruction, the heavy index field instruction of described reading comprises the mark of described light index field;
According to the heavy index field instruction of described reading, from the storage medium for storing described heavy index field, obtain the heavy index field that the light index field corresponding with the mark of described light index field associates.
5. the method for claim 1, is characterized in that, described by described light index field with after heavily index field is stored in different storage mediums respectively, described method also comprises:
In described light index field, add extended field, set up new light index field, and the mark of described light index field is newly stored in described extended field.
6. store a device for index, it is characterized in that, described device comprises:
Sort module, for the content of index field comprised according to index to be stored, is divided into light index field and heavy index field by the index field that described index to be stored comprises;
Memory module, for being stored in different storage mediums respectively by described light index field and heavy index field;
Relating module, for associating described light index field and described heavy index field.
7. device as claimed in claim 6, it is characterized in that, described sort module, comprising:
Receiving element, for receiving the mark of the light index field of user's input and weighing the mark of index field;
First determining unit, for obtaining the index field corresponding with the mark of described light index field in the index field that comprises from described index to be stored, and is defined as described light index field by described index field;
Second determining unit, for obtaining the index field corresponding with the mark of described heavy index field in the index field that comprises from described index to be stored, and is defined as described heavy index field by described index field.
8. device as claimed in claim 6, it is characterized in that, described device also comprises:
Receiver module, read light index field instruction for receiving, the instruction of described reading index field comprises the mark of described light index field;
Acquisition module, for according to the light index field instruction of described reading, obtains described light index field from the storage medium for storing described light index field.
9. device as claimed in claim 8, is characterized in that,
Described receiver module, also reads heavy index field instruction for receiving, and the heavy index field instruction of described reading comprises the mark of described light index field;
Described acquisition module, also for according to the heavy index field instruction of described reading, obtains the heavy index field that the light index field corresponding with the mark of described light index field associates from the storage medium for storing described heavy index field.
10. device as claimed in claim 6, it is characterized in that, described device also comprises:
Setting up module, for adding extended field in described light index field, setting up new light index field, and the mark of described light index field is newly stored in described extended field.
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| CN101944134A (en) * | 2010-10-18 | 2011-01-12 | 江苏大学 | Metadata server of mass storage system and metadata indexing method |
| CN102004769A (en) * | 2010-11-12 | 2011-04-06 | 成都市华为赛门铁克科技有限公司 | File management method, equipment and memory system |
| CN102110104A (en) * | 2009-12-28 | 2011-06-29 | 北大方正集团有限公司 | Method for establishing index library, search method and method for updating index library |
| CN103092848A (en) * | 2011-10-28 | 2013-05-08 | 浙江大华技术股份有限公司 | Method for storing and retrieving pictures |
| US8832262B2 (en) * | 2011-12-15 | 2014-09-09 | Cisco Technology, Inc. | Normalizing network performance indexes |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102110104A (en) * | 2009-12-28 | 2011-06-29 | 北大方正集团有限公司 | Method for establishing index library, search method and method for updating index library |
| CN101944134A (en) * | 2010-10-18 | 2011-01-12 | 江苏大学 | Metadata server of mass storage system and metadata indexing method |
| CN102004769A (en) * | 2010-11-12 | 2011-04-06 | 成都市华为赛门铁克科技有限公司 | File management method, equipment and memory system |
| CN103092848A (en) * | 2011-10-28 | 2013-05-08 | 浙江大华技术股份有限公司 | Method for storing and retrieving pictures |
| US8832262B2 (en) * | 2011-12-15 | 2014-09-09 | Cisco Technology, Inc. | Normalizing network performance indexes |
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