CN106649585A - Retrieval method and device - Google Patents
Retrieval method and device Download PDFInfo
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- CN106649585A CN106649585A CN201611018350.6A CN201611018350A CN106649585A CN 106649585 A CN106649585 A CN 106649585A CN 201611018350 A CN201611018350 A CN 201611018350A CN 106649585 A CN106649585 A CN 106649585A
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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
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2455—Query execution
- G06F16/24552—Database cache management
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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
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2458—Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries
- G06F16/2462—Approximate or statistical queries
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/957—Browsing optimisation, e.g. caching or content distillation
- G06F16/9574—Browsing optimisation, e.g. caching or content distillation of access to content, e.g. by caching
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- Databases & Information Systems (AREA)
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- General Engineering & Computer Science (AREA)
- Data Mining & Analysis (AREA)
- Computational Linguistics (AREA)
- Probability & Statistics with Applications (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Software Systems (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The embodiment of the invention provides a retrieval method and device. The retrieval method comprises the following steps: acquiring a retrieval request carrying a retrieval word sent by a first client; retrieving a document corresponding to the retrieval request in the Redis cache according to the retrieval word; calling the Sphinx index service when the document corresponding to the retrieval request is not retrieved in the Redis cache, and retrieving in a document database; acquiring the document corresponding to the retrieval request when retrieving the document corresponding to the retrieval request in the document database, and then returning the document corresponding to the retrieval request to the first client. By use of the retrieval method and device provided by the embodiment of the invention, the frequency of accessing the document database can be effectively lowered, and the server processing speed is improved, thereby improving the user experience.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of method and device of retrieval.
Background technology
With the fast development of Internet technology, various information are all propagated by internet, and people also can
Enough the information wanted is obtained by internet, for example, people can pass through to access different websites, obtain different information.
However, when the user for accessing a certain website is more, the concurrent request amount of server than it is larger when, easily cause
Accessing document database number of times increases, and reduces server process speed.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of method and device of retrieval, to reduce accessing document database
Number, improves server process speed.Concrete technical scheme is as follows：
In a first aspect, embodiments providing a kind of method of retrieval, methods described includes：
Obtain the retrieval request for carrying term of the first client transmission；
According to term, the retrieval document corresponding with retrieval request in Redis cachings；
When not retrieving document corresponding with retrieval request in Redis cachings, Sphinx index services are called, in document
Enter line retrieval in database；
When document corresponding with retrieval request is retrieved in document database, document corresponding with retrieval request is obtained,
And document corresponding with retrieval request is returned to the first client.
Optionally, according to term, in Redis cachings before retrieval document corresponding with retrieval request, the present invention
The method of the retrieval of embodiment also includes：
According to term, in preset critical dictionary line retrieval is entered, obtain synonym corresponding with term and near synonym；
Accordingly, it is described according to term, the retrieval document corresponding with retrieval request in Redis cachings, including：
According to term synonym corresponding with term and near synonym, retrieval and retrieval request pair in Redis cachings
The document answered.
Optionally, in Redis cachings after retrieval document corresponding with retrieval request, the retrieval of the embodiment of the present invention
Method also includes：
When retrieving document corresponding with retrieval request in Redis cachings, document corresponding with retrieval request is obtained, and
Document corresponding with retrieval request is returned to the first client.
Optionally, document database is made up of MySQL database.
Optionally, before document corresponding with retrieval request is returned to the first client, the retrieval of the embodiment of the present invention
Method also include：
Caching document corresponding with retrieval request is cached to Redis.
Second aspect, embodiments provides a kind of device of retrieval, including：
Acquisition module, for obtaining the retrieval request for carrying term that the first client sends；
Redis retrieves module, for according to term, in Redis cachings document corresponding with retrieval request being retrieved；
Document data library searching module, for not retrieving in caching in Redis during document corresponding with retrieval request, adjusts
Sphinx index services are used, line retrieval is entered in document database；
Module is returned, for retrieving in document database during document corresponding with retrieval request, obtaining please with retrieval
Corresponding document is sought, and returns document corresponding with retrieval request to the first client.
Optionally, the device of retrieval also includes：
Word retrieves module, for according to term, in preset critical dictionary line retrieval being entered, obtains corresponding with term
Synonym and near synonym；
Accordingly, Redis retrievals module, is additionally operable to according to term synonym corresponding with term and near synonym,
Retrieval document corresponding with retrieval request in Redis cachings.
Optionally, module is returned, is additionally operable to, when document corresponding with retrieval request is retrieved during Redis is cached, obtain
Document corresponding with retrieval request, and document corresponding with retrieval request is returned to the first client.
Optionally, document database is made up of MySQL database.
Optionally, the device of the retrieval of the embodiment of the present invention also includes：Cache module, for returning and retrieval request pair
To before the first client, caching document corresponding with retrieval request is cached the document answered to Redis.
The method and device of a kind of retrieval provided in an embodiment of the present invention, by obtaining the inspection institute that the first client sends
After request, first retrieve from Redis cachings, in the case where not retrieving, then enter line retrieval from document database, retrieve
After document corresponding with retrieval request, document corresponding with retrieval request will be retrieved and be cached in cache module, retransmited
To the first client, can effectively reduce accessing the number of times of document database, server process speed be improved, so as to improve user
Experience.Certainly, implementing arbitrary product or method of the present invention must be not necessarily required to while reaching all the above advantage.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart of the first embodiment of the method for retrieval of the embodiment of the present invention；
Fig. 2 is a kind of flow chart of second embodiment of the method for retrieval of the embodiment of the present invention；
Fig. 3 is a kind of flow chart of the third embodiment of the method for retrieval of the embodiment of the present invention；
Fig. 4 is a kind of structure chart of the first embodiment of the device of retrieval of the embodiment of the present invention；
Fig. 5 is a kind of structure chart of second embodiment of the device of retrieval of the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
In order to solve prior art problem, a kind of method and apparatus of retrieval is embodiments provided, to reduce visiting
Document database number of times is asked, server process speed is improved.
A kind of method of retrieval provided in an embodiment of the present invention is introduced first below.
As shown in figure 1, the flow chart of the first embodiment for a kind of method of retrieval of the embodiment of the present invention, described
Method may comprise steps of：
S101, obtains the retrieval request for carrying term that the first client sends；
The input of search inframe and institute when user needs to retrieve the content for needing in the first client, in the first client
The corresponding term of content is stated, and performs predetermined operation, the search box can be mounted in executable in the first client
Search box in program, or the search box in the webpage in the first client, this all should be rational, first
Client generates and sends the retrieval request for carrying term, and server end is sent by Network Capture to the first client
The retrieval request of term is carried, wherein, first client is that any one client being connected is set up with server.
It should be noted that the first above-mentioned client can be mobile communication equipment, can include：With communication function
Smart mobile phone, super mobile personal computer equipment；PC terminal devices are can also be, can be included：It is notebook personal computer, individual
People's desktop computer.
It is understood that the predetermined operation is including but not limited to clicked, and the shape of the search box, size and
Particular location in first client is not limited thereto according to set by practical application.
S102, according to term, the retrieval document corresponding with retrieval request in Redis cachings；
Wherein, Redis caching be a high performance key assignments storage system, can as Cache Framework and queue, therefore,
In the present invention, by caching using Redis, it is possible to increase recall precision, the first client retrieval request of response is effectively shortened
Time, improve Consumer's Experience.
S103, when not retrieving document corresponding with retrieval request in Redis cachings, calls Sphinx index services,
Enter line retrieval in document database；
Wherein, Sphinx is a full-text search engine based on SQL, and it can provide more professional than database itself
Function of search so that executable program is easier to realize specialized full-text search, therefore, in the embodiment of the present invention, by adopting
With Sphinx, it is possible to increase the efficiency of search file database, the time that server responds the first client retrieval request is reduced,
Improve Consumer's Experience.
It should be appreciated that the document database in this step is the database for adopting according to actual needs, can be with
It is MySQL database, can also be PostgreSQL, is not construed as limiting here.
S104, when document corresponding with retrieval request is retrieved in document database, obtains corresponding with retrieval request
Document, and document corresponding with retrieval request is returned to the first client.
When line retrieval is entered, the object of retrieval can be the title of document, the author of document, documentation summary or content,
When retrieving document corresponding with retrieval request according to term, generate at least including title, the author of document, the document of document
The page of summary and document content, and return to the first client.
It is understood that obtain be the retrieval request that the first client is sent by web browser when, accordingly
, the page for generating the title at least including document, the author of document, documentation summary and document content is can be by the first client
The page of end browser identification；
It is retrieval request of first client by the executable program transmission in the first client what is obtained
When, accordingly, generate at least including the title of document, the author of document, documentation summary and document content the page be can be by
The page of the executable program identification in the first client.
In embodiments of the present invention, after by asking in the inspection for obtaining the transmission of the first client, first from Redis cachings
Retrieval, in the case where not retrieving, recalls Sphinx index services and enters line retrieval in document database, retrieves and inspection
Rope is asked after corresponding document, is sent to the first client, can effectively reduce accessing the number of times of document database, also, logical
Crossing can improve server process speed using Redis cachings and Sphinx index services, so as to improve Consumer's Experience.
As shown in Fig. 2 the flow chart of second embodiment for a kind of method of retrieval of the embodiment of the present invention, described
Method can also include：
S202, according to term, in preset critical dictionary line retrieval is entered, and obtains synonym corresponding with term and near
Adopted word；
It should be noted that preset critical dictionary is when document database is set up, the document in document database is entered
The keywords database that row document analysis are obtained, wherein, key word analysis belong to prior art, and here is omitted.
Accordingly, according to term, the retrieval document corresponding with retrieval request in Redis cachings, including：
S203, according to term synonym corresponding with term and near synonym, retrieval and retrieval in Redis cachings
Ask corresponding document.
For the relation being illustrated more clearly that between term and corresponding synonym and near synonym, it is exemplified below：
For example：The synonym in " border " is " border area ", near synonym are " borderland "；The synonym of " far different " is for " completely
Difference ", near synonym are " world of difference ".
By entering line retrieval using term synonym corresponding with term and near synonym, range of search can be expanded,
Easily document corresponding with the retrieval request of the first client is retrieved in Redis cachings, so as to reduce accessing number of files
According to the number of times in storehouse, shorten the time that server end responds the retrieval request of the first client.
Specifically, document database is made up of MySQL database.
Because Sphinx index services design proprietary storage engines plug-in unit for MySQL database so that Sphinx indexes
Service can be preferably compatible with MySQL database, therefore, it is possible to the more efficient line retrieval that enters, further improves recall precision,
Reduce the time that server responds the first client retrieval request.
It should be noted that other steps in a kind of method of retrieval of the embodiment of the present invention and the first embodiment
In method it is same or similar, can be combined with each other enforcement, and here is omitted.
As shown in figure 3, the flow chart of the third embodiment for a kind of method of retrieval of the embodiment of the present invention, described
The method of retrieval can also include：
S305, when document corresponding with retrieval request is retrieved in document database, caches corresponding with retrieval request
Document to Redis is cached, and returns document corresponding with retrieval request to the first client；
By after document corresponding with retrieval request is retrieved, caching document corresponding with retrieval request slow to Redis
Deposit so that other clients being connected are set up with server when above-mentioned document is retrieved, just can be retrieved in Redis cachings
Above-mentioned document, it is not necessary to enter line retrieval in database, reduces accessing the number of times of database.
S306, when retrieving document corresponding with retrieval request in Redis cachings, obtains text corresponding with retrieval request
Shelves, and document corresponding with retrieval request is returned to the first client.
With reference to specific application example, a kind of method of the retrieval provided the embodiment of the present invention is introduced.
Assume that document database includes：Word dynamic data base, written broadcasting live database, net cast database and words
Topic discussion database.When document database is set up, document is cached in Redis cachings first, then permanent storage is to text
In profile database.For example, obtain after word dynamic document, during Redis cachings are cached to first, then permanent storage is dynamic to word
In state database.
When server listens to customer end A retrieval request, the inspection for carrying term that the customer end A sends is obtained
Rope is asked, and according to the term in the retrieval request that the customer end A sends, carries out key word analysis, is obtained and the term
Corresponding synonym and near synonym, when entering line retrieval further according to term synonym corresponding with term and near synonym,
Enter line retrieval in Redis cachings.
Corresponding to said method embodiment, a kind of device of retrieval is embodiments provided, as shown in figure 4, for originally
A kind of structure chart of the first embodiment of the device of retrieval of inventive embodiments, described device can include：
Acquisition module 401, for obtaining the retrieval request for carrying term that the first client sends；
Redis retrieves module 402, for according to term, in Redis cachings text corresponding with retrieval request being retrieved
Shelves；
Document data library searching module 403, for not retrieving document corresponding with retrieval request in caching in Redis
When, Sphinx index services are called, line retrieval is entered in document database；
Module 404 is returned, for retrieving in document database during document corresponding with retrieval request, is obtained and retrieval
Corresponding document is asked, and returns document corresponding with retrieval request to the first client.
In embodiments of the present invention, after by asking in the inspection for obtaining the transmission of the first client, first from Redis cachings
Retrieval, in the case where not retrieving, recalls Sphinx index services and enters line retrieval in document database, retrieves and inspection
Rope is asked after corresponding document, is sent to the first client, can effectively reduce accessing the number of times of document database, also, logical
Crossing can improve server process speed using Redis cachings and Sphinx index services, so as to improve Consumer's Experience.
It should be noted that the device of the embodiment of the present invention is the device using the method for above-mentioned retrieval, then above-mentioned retrieval
All embodiments of method be applied to the device, and can reach same or analogous beneficial effect.
As shown in figure 5, the flow chart of second embodiment for a kind of device of retrieval of the embodiment of the present invention, described
The device of retrieval can also include：
Word retrieves module 502, for according to term, in preset critical dictionary line retrieval being entered, obtains and term
Corresponding synonym and near synonym；
Accordingly, Redis retrievals module 503, is additionally operable to according to term synonym corresponding with term and nearly justice
Word, the retrieval document corresponding with retrieval request in Redis cachings.
Specifically, module 505 is returned, is additionally operable to, when document corresponding with retrieval request is retrieved during Redis is cached, obtain
Document corresponding with retrieval request is taken, and returns document corresponding with retrieval request to the first client.
Specifically, document database is made up of MySQL database.
Specifically, Redis retrievals module 503, is additionally operable to returning document corresponding with retrieval request to the first client
Before, cache document corresponding with retrieval request to cache to Redis.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposit between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that a series of process, method, article or equipment including key elements not only will including those
Element, but also including other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Each embodiment in this specification is described by the way of correlation, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.Especially for system reality
For applying example, because it is substantially similar to embodiment of the method, so description is fairly simple, related part is referring to embodiment of the method
Part explanation.
Presently preferred embodiments of the present invention is the foregoing is only, protection scope of the present invention is not intended to limit.It is all
Any modification, equivalent substitution and improvements made within the spirit and principles in the present invention etc., are all contained in protection scope of the present invention
It is interior.
Claims (10)
1. a kind of method of retrieval, is applied to server, it is characterised in that include：
Obtain the retrieval request for carrying term of the first client transmission；
According to the term, in Redis cachings document corresponding with the retrieval request is retrieved；
When not retrieving the document corresponding with the retrieval request in Redis cachings, Sphinx index services are called,
Enter line retrieval in document database；
When the document corresponding with the retrieval request is retrieved in document database, with the retrieval request described in acquisition
Corresponding document, and the document corresponding with the retrieval request is returned to first client.
2. the method for retrieval according to claim 1, it is characterised in that slow in Redis described according to the term
Before depositing retrieval document corresponding with the retrieval request, the method for described retrieval also includes：
According to the term, in preset critical dictionary line retrieval is entered, obtain synonym corresponding with the term and near
Adopted word；
Accordingly, it is described that document corresponding with the retrieval request is retrieved in Redis cachings according to the term, including：
According to term synonym corresponding with the term and near synonym, retrieve and the inspection in Redis cachings
Rope asks corresponding document.
3. the method for retrieval according to claim 1 and 2, it is characterised in that in retrieval and the institute in Redis cachings
After stating the corresponding document of retrieval request, the method for described retrieval also includes：
When retrieving the document corresponding with the retrieval request in Redis cachings, with the retrieval request described in acquisition
Corresponding document, and the document corresponding with the retrieval request is returned to first client.
4. the method for retrieval according to claim 1, it is characterised in that the document database is by MySQL database group
Into.
5. the method for retrieval according to claim 1 and 2, it is characterised in that please with the retrieval described in the return
Ask corresponding document to before first client, the method for described retrieval also includes：
The caching document corresponding with the retrieval request is cached to Redis.
6. a kind of device of retrieval, it is characterised in that include：
Acquisition module, for obtaining the retrieval request for carrying term that the first client sends；
Redis retrieves module, for according to the term, in Redis cachings text corresponding with the retrieval request being retrieved
Shelves；
Document data library searching module, for not retrieving the document corresponding with the retrieval request in caching in Redis
When, Sphinx index services are called, line retrieval is entered in document database；
Module is returned, for retrieving in document database during the document corresponding with the retrieval request, obtains described
Document corresponding with the retrieval request, and the document corresponding with the retrieval request is returned to first client.
7. the device of retrieval according to claim 6, it is characterised in that the device of the retrieval also includes：
Word retrieves module, for according to the term, in preset critical dictionary line retrieval being entered, obtains and the term
Corresponding synonym and near synonym；
Accordingly, the Redis retrieves module, be additionally operable to according to term synonym corresponding with the term and
Near synonym, in Redis cachings document corresponding with the retrieval request is retrieved.
8. the device of the retrieval according to claim 6 or 7, it is characterised in that the return module, is additionally operable in Redis
When the document corresponding with the retrieval request is retrieved in caching, the document corresponding with the retrieval request is obtained,
And the document corresponding with the retrieval request is returned to first client.
9. the device of retrieval according to claim 6, it is characterised in that the document database is by MySQL database group
Into.
10. the device of the retrieval according to claim 6 or 7, it is characterised in that the device of described retrieval also includes：
Cache module, for document corresponding with the retrieval request described in the return give first client before,
The caching document corresponding with the retrieval request is cached to Redis.
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| CN201611018350.6A CN106649585A (en) | 2016-11-18 | 2016-11-18 | Retrieval method and device |
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| CN201611018350.6A CN106649585A (en) | 2016-11-18 | 2016-11-18 | Retrieval method and device |
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Cited By (5)
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| CN107239530A (en) * | 2017-05-31 | 2017-10-10 | 努比亚技术有限公司 | Label search method, device, system and computer-readable recording medium |
| CN107609151A (en) * | 2017-09-22 | 2018-01-19 | 深圳易嘉恩科技有限公司 | The method that XBRL instance documents caching is realized based on Redis |
| CN107622090A (en) * | 2017-08-22 | 2018-01-23 | 上海艾融软件股份有限公司 | Acquisition methods, the apparatus and system of object |
| CN107704532A (en) * | 2017-09-21 | 2018-02-16 | 深圳易嘉恩科技有限公司 | The method that instance document and criteria for classification are cached based on Redis |
| CN110895538A (en) * | 2018-09-13 | 2020-03-20 | 深圳市蓝灯鱼智能科技有限公司 | Data retrieval method, device, storage medium and processor |
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| CN110895538A (en) * | 2018-09-13 | 2020-03-20 | 深圳市蓝灯鱼智能科技有限公司 | Data retrieval method, device, storage medium and processor |
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