CN110019395A - A kind of implementation method and device for inquiring ElasticSearch - Google Patents
A kind of implementation method and device for inquiring ElasticSearch Download PDFInfo
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- CN110019395A CN110019395A CN201711236784.8A CN201711236784A CN110019395A CN 110019395 A CN110019395 A CN 110019395A CN 201711236784 A CN201711236784 A CN 201711236784A CN 110019395 A CN110019395 A CN 110019395A
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- form structure
- elasticsearch
- result set
- list 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
- G06F16/242—Query formulation
- G06F16/2433—Query languages
-
- 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
-
- 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
- G06F16/2471—Distributed queries
Abstract
This application discloses a kind of implementation methods and device for inquiring ElasticSearch.The described method includes: constructing form structure model according to business demand；According to the form structure model allocation list menu manager document, the list management document includes the data source name of ElasticSearch, ES-Sql query statement and shows regular form structure configuration item comprising described；ElasticSearch inquiry is carried out according to the data source name of ElasticSearch described in the list management document and ES-Sql query statement, obtains query results；The query results are adjusted according to form structure configuration item described in the list management document, obtain meeting the reprocessing result set for showing rule.The application passes through allocation list menu manager document, it is adjusted using the query results that the form structure configuration item of list management document returns to ElasticSearch inquiry, result set after making reprocessing meets demand, and by modifying list management document changeable, the multifarious demand of table that meets business demand.
Description
Technical field
This application involves distributed data searching technology field, in particular to a kind of reality for inquiring ElasticSearch
Existing method and apparatus.
Background technique
With the development of information technology, the data storage capacity of enterprise application system is in explosive growth, the hair of database
Exhibition is also from traditional relevant database, and gradually development is " NoSql " type database to support the inquiry of mass data to store.
ElasticSearch is also often used as NoSql database and carrys out storing data as a kind of search engine.
Currently, most of lists are by inquiry relevant database, then develop into inquiry ElasticSearch.Wherein,
ES-Sql plug-in unit is the tool of general inquiry ElasticSearch a kind of, and ES-Sql plug-in unit can be operated by Sql sentence
ElasticSearch cluster, querying method is more convenient, but has using ES-Sql plug-in unit inquiry ElasticSearch and return
The uncontrollable problem of result set order of the field so that by result set carry out page presentation when, display form is not met
It is expected that influencing usage experience.
Summary of the invention
This application provides a kind of implementation methods and device for inquiring ElasticSearch, to solve to insert using ES-Sql
Part inquires ElasticSearch, the uncontrollable problem of result set order of the field returned.
In order to achieve the above objectives, the technical solution of the application is achieved in that
On the one hand, this application provides a kind of implementation methods for inquiring ElasticSearch, which comprises
Form structure model, the displaying rule of the form structure model instruction result set are constructed according to business demand；
According to the form structure model allocation list menu manager document, the list management document includes
The data source name of ElasticSearch, ES-Sql query statement and include the form structure configuration item for showing rule；
According to the data source name of ElasticSearch described in the list management document and ES-Sql query statement into
Row ElasticSearch inquiry, obtains query results；
The query results are adjusted according to form structure configuration item described in the list management document, are obtained
Meet the reprocessing result set for showing rule.
On the other hand, this application provides a kind of realization device for inquiring ElasticSearch, described device includes:
Model construction unit, for constructing form structure model, the form structure model instruction knot according to business demand
The displaying rule of fruit collection；
Document configuration unit, for according to the form structure model allocation list menu manager document, the list management text
Data source name, ES-Sql query statement and form structure comprising the displaying rule of the shelves including ElasticSearch are matched
Set item；
Result set query unit, the dataSource link for the ElasticSearch according to the list management document
Claim and ES-Sql query statement carries out ElasticSearch inquiry, obtains query results；
Result set processing unit, for the form structure configuration item according to the list management document to the inquiry
Result set is adjusted, and obtains meeting the reprocessing result set for showing rule.
The beneficial effect of the application is: the application constructs the form structure model that instruction result set shows rule on demand, and
According to form structure model allocation list menu manager document, the form structure configuration item pair of list management document is utilized
The query results that ElasticSearch inquiry returns are adjusted, and the result set after making reprocessing meets demand；Meanwhile
Business demand variation, table field sequence adjustment etc. require under, by modify list management document form structure configuration item,
ES-Sql query statement can realize rapidly customized table, and it is changeable to meet business demand, the multifarious demand of table, and is not necessarily to
Backstage code is modified, can greatly be improved efficiency, the workload of table secondary development is reduced, shortens the delivery time, enhancing visitor
Family satisfaction.
Detailed description of the invention
Fig. 1 is a kind of implementation method flow chart for inquiring ElasticSearch provided by the embodiments of the present application；
Fig. 2 is the flow diagram of adjustment query results data provided by the embodiments of the present application；
Fig. 3 is a kind of realization device structural block diagram for inquiring ElasticSearch provided by the embodiments of the present application；
Fig. 4 is the hardware structural diagram of the realization device of inquiry ElasticSearch provided by the embodiments of the present application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with attached drawing to the application embodiment party
Formula is described in further detail.
Fig. 1 is a kind of implementation method flow chart for inquiring ElasticSearch provided by the embodiments of the present application, such as Fig. 1 institute
Show, the method for the embodiment of the present application includes:
S110 constructs form structure model, the displaying rule of the form structure model instruction result set according to business demand
Then.
The displaying rule of the embodiment of the present application includes but is not limited to field name in list, order of the field, field sequence side
The rules such as formula can be rationally arranged according to business demand.
S120, according to form structure model allocation list menu manager document, list management document includes ElasticSearch's
Data source name, ES-Sql query statement and include it is described show rule form structure configuration item.
The embodiment of the present application needs to configure in list management document in allocation list menu manager document
The data source name of ElasticSearch, the data source name of ElasticSearch is for inquiring ElasticSearch example
Index；And ES-Sql query statement is needed to configure, ElasticSearch inquiry is carried out using ES-Sql query statement；Together
When also need to configure the form structure configuration item comprising above-mentioned displaying rule, the form structure configuration item of the present embodiment and the exhibition
Show regular one-to-one correspondence；Illustratively, when showing rule includes field name, order of the field, field sortord in list,
Form structure configuration item includes that form fields configuration parameter, form fields are arranged in order parameter, the configuration of form fields sortord
Parameter.
The embodiment of the present application can create the list management document of XML format, in order to quickly load, resolution table menu manager
Document.
S130 is carried out according to the data source name of ElasticSearch in list management document and ES-Sql query statement
ElasticSearch inquiry, obtains query results.
In practical applications, there may be multiple ElasticSearch examples, the embodiment of the present application by ElasticSearch
Utilize the ES-Sql query statement configured in list management document and the data source name progress for combining ElasticSearch
ElasticSearch inquiry, can be quickly obtained query results.
The query results order of the field that the present embodiment obtains is uncontrollable, and the query results order of the field of acquisition may be with
The displaying rule set in form structure model is not inconsistent, and the embodiment of the present application, which combines, shows that rule locates query results again
Reason.
S140 is adjusted query results according to form structure configuration item in list management document, obtains meeting exhibition
Show the reprocessing result set of rule.
It, may be with form structure mould since the query results order of the field obtained using ES-Sql query statement is uncontrollable
The displaying rule set in type is not inconsistent, and the embodiment of the present application ties inquiry using the form structure configuration item in list management document
Fruit collection is adjusted correspondingly, such as when form structure configuration item includes that be arranged in order parameter, list ranks transposition of form fields is matched
When setting parameter, list paging configuration parameter, correspondingly, to the field of query results data carry out the adjustment of column sequence, ranks transposition,
Paging processing obtains meeting the reprocessing result set for showing rule；The process of query results reprocessing will really not met
It shows desired Primary Outcome collection, is converted to the process for being easy to the result set of the two-dimentional table structure shown, it is full so as to page presentation
Sufficient business demand.
It is convenient for page presentation to make to reprocess result set, the reprocessing result set of the present embodiment is two-dimentional table structure.
The present embodiment constructs instruction result set on demand and shows the form structure model of rule, and is matched according to form structure model
List management document is set, the inquiry knot returned using the form structure configuration item ElasticSearch inquiry of list management document
Fruit collection is adjusted, and the result set after making reprocessing meets demand；Meanwhile it being adjusted in business demand variation, table field sequence
Under requiring, form structure configuration item, ES-Sql query statement by modifying list management document can be realized rapidly and be made by oneself
Adopted table, it is changeable to meet business demand, the multifarious demand of table, and it is not necessary to modify backstage codes, can greatly improve effect
Rate reduces the workload of table secondary development, shortens the delivery time, enhances customer satisfaction.
In one embodiment of the application, pre-establish result set processing class libraries, the result set processing class libraries include with
The corresponding processing class of form structure model, processing class is for being adjusted query results data.
In the present embodiment, it in allocation list menu manager document, can be selected from the result set processing class libraries pre-established
The corresponding processing class of form structure model is selected, the class name of the corresponding processing class of form structure model is configured in list management document
In；
At this point it is possible to be adjusted by following proposal to query results:
Using file transfer conveyance, query results data such as are obtained using open source file transfer conveyance curl；
Using the corresponding processing class of the class name in list management document and form structure configuration item, to query results data
It is adjusted, such as carries out the adjustment of column sequence, paging, sequence, the adjustment of ranks transposition, obtain meeting the reprocessing result for showing rule
Collection.
It in practical applications, can be by being multiplexed or modifying original result if to support more NoSql databases
Processing class in collection processing class libraries, to promote the query performance of the application ElasticSearch.
The embodiment of the present application needs to parse form structure configuration item, obtains list when being adjusted to query results
Structure configuration parameter, according to form structure configuration parameter and preset form structure adjustment sequence, to query results into
Row adjustment obtains meeting the reprocessing result set for showing rule.
Illustratively, it is assumed that the complete or collected works of form structure configuration item are that form fields are arranged in order parameter, list ranks transposition
Configuration parameter, list paging configuration parameter, list sequence configuration parameter, preset form structure adjustment at this time is sequentially are as follows:
By being followed successively by the adjustment of column sequence, ranks transposition, sequence, paging after arriving first；Correspondingly, being carried out by following methods to query results
Adjustment:
As shown in Fig. 2, first carrying out S210 judges whether that parsing obtains form fields and is arranged in order parameter, if obtaining list word
Section is arranged in order parameter, then executes S211 and carry out column sequence adjustment processing to the data of query results, and execute S220；If not
It is arranged in order parameter to form fields, then executes S220.
S220 judges whether that parsing obtains list ranks transposition configuration parameter, if obtaining list ranks transposition configuration parameter,
It then executes S221 to handle the query results data procession transposition by the adjustment processing of column sequence, and executes S230；If not
List ranks transposition configuration parameter is obtained, then executes S230.
S230 judges whether that parsing obtains list sequence configuration parameter, if obtaining list sequence configuration parameter, executes
S231 is ranked up processing to the query results data by the processing of ranks transposition, and executes S240；If not obtaining list row
Sequence configuration parameter, then execute S240.
S240 judges whether that parsing obtains list paging configuration parameter, if obtaining list paging configuration parameter, executes
S241 carries out paging processing to the query results data by the processing of ranks transposition, ends processing；If not obtaining list paging
Configuration parameter then ends processing.
It should be noted that the embodiment of the present application can be according to the preset form structure adjustment sequence of business demand.
Corresponding with the implementation method of above-mentioned inquiry ElasticSearch, present invention also provides inquiries
The realization device of ElasticSearch.
Fig. 3 is a kind of realization device structural block diagram for inquiring ElasticSearch provided by the embodiments of the present application, such as Fig. 3
Shown, the device 30 of the embodiment of the present application includes:
Model construction unit 31, for constructing form structure model, the form structure model instruction according to business demand
The displaying rule of result set；
Document configuration unit 32, for according to the form structure model allocation list menu manager document, the list management
Document includes the data source name of ElasticSearch, ES-Sql query statement and shows regular form structure comprising described
Configuration item；
Result set query unit 33, the data source for the ElasticSearch according to the list management document
Title and ES-Sql query statement carry out ElasticSearch inquiry, obtain query results；
Result set processing unit 34 is looked into for the form structure configuration item according to the list management document described
It askes result set to be adjusted, obtains meeting the reprocessing result set for showing rule.
In one embodiment of the application, document configuration unit 32 is also used to handle class libraries from the result set pre-established
It is middle to select the corresponding processing class of the form structure model, the class name configuration of the corresponding processing class of the form structure model is existed
In the list management document.
Correspondingly, result set processing unit 34 is used to obtain the query results data, benefit using file transfer conveyance
The query results data got are adjusted with the corresponding processing class of the class name and the form structure configuration item
It is whole, it obtains meeting the reprocessing result set for showing rule.
Illustratively, result set processing unit 34 is specifically used for parsing form structure configuration item, obtains form structure configuration
Parameter；According to form structure configuration parameter and preset form structure adjustment sequence, query results are adjusted, are obtained
To the reprocessing result set for meeting the displaying rule.
For device embodiment, since it corresponds essentially to embodiment of the method, so related place is referring to method reality
Apply the part explanation of example.The apparatus embodiments described above are merely exemplary, wherein described be used as separation unit
The unit of explanation may or may not be physically separated, and component shown as a unit can be or can also be with
It is not physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to actual
It needs that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not
In the case where making the creative labor, it can understand and implement.
The realization device of inquiry ElasticSearch provided by the present application can be by software realization, can also be by hard
The mode of part or software and hardware combining is realized.Taking software implementation as an example, referring to shown in Fig. 4, inquiry provided by the present application
The realization device 30 of ElasticSearch may include processor 401, machine readable storage Jie for being stored with machine-executable instruction
Matter 402.Processor 401 can be communicated with machine readable storage medium 402 via system bus 403.Also, by reading and executing
Machine-executable instruction corresponding with the inquiry realization logic of ElasticSearch, processor in machine readable storage medium 402
401 can be performed the implementation method of above-described inquiry ElasticSearch.
The machine readable storage medium 402 mentioned in the application can be any electronics, magnetism, optics or other physics and deposit
Storage device may include or store information, such as executable instruction, data, etc..For example, machine readable storage medium may is that
RAM (Radom Access Memory, random access memory), volatile memory, nonvolatile memory, flash memory, storage are driven
Dynamic device (such as hard disk drive), solid state hard disk, any kind of storage dish (such as CD, DVD) or similar storage are situated between
Matter or their combination.
According to example disclosed in the present application, present invention also provides a kind of including machine-executable instruction machine readable is deposited
Machine readable storage medium 402 in storage media, such as Fig. 4, the machine-executable instruction can be by inquiring ElasticSearch
Realization device 30 in processor 401 execute with realize it is described above inquiry ElasticSearch implementation method.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.The terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including institute
State in the process, method, article or equipment of element that there is also other identical elements.
The foregoing is merely the preferred embodiments of the application, are not intended to limit the protection scope of the application.It is all
Any modification, equivalent replacement, improvement and so within spirit herein and principle are all contained in the protection scope of the application
It is interior.
Claims (10)
1. a kind of implementation method for inquiring ElasticSearch, which is characterized in that the described method includes:
Form structure model, the displaying rule of the form structure model instruction result set are constructed according to business demand；
According to the form structure model allocation list menu manager document, the list management document includes ElasticSearch's
Data source name, ES-Sql query statement and include it is described show rule form structure configuration item；
It is carried out according to the data source name of ElasticSearch described in the list management document and ES-Sql query statement
ElasticSearch inquiry, obtains query results；
The query results are adjusted according to form structure configuration item described in the list management document, are met
The reprocessing result set for showing rule.
2. implementation method according to claim 1, which is characterized in that described to configure list according to the form structure model
Management document, further includes:
The corresponding processing class of the form structure model is selected from the result set processing class libraries pre-established；
The class name of the corresponding processing class of the form structure model is configured in the list management document.
3. implementation method according to claim 2, which is characterized in that according to list knot described in the list management document
Structure configuration item is adjusted the query results, comprising:
The query results data are obtained using file transfer conveyance；
Using the corresponding processing class of the class name and the form structure configuration item to the query results data got
It is adjusted, obtains meeting the reprocessing result set for showing rule.
4. implementation method according to claim 1, which is characterized in that the table according to the list management document
Single structure configuration item is adjusted the query results, comprising:
The form structure configuration item is parsed, form structure configuration parameter is obtained；
According to form structure configuration parameter and preset form structure adjustment sequence, the query results are adjusted
It is whole, it obtains meeting the reprocessing result set for showing rule.
5. implementation method according to claim 1, which is characterized in that the list management document be XML format, it is described again
Processing result collection is two-dimentional table structure.
6. a kind of realization device for inquiring ElasticSearch, which is characterized in that described device includes:
Model construction unit, for constructing form structure model according to business demand, the form structure model indicates result set
Displaying rule；
Document configuration unit, for according to the form structure model allocation list menu manager document, the list management document packet
Include data source name, ES-Sql query statement and the form structure configuration item comprising the displaying rule of ElasticSearch；
Result set query unit, for the ElasticSearch according to the list management document data source name and
ES-Sql query statement carries out ElasticSearch inquiry, obtains query results；
Result set processing unit, for the form structure configuration item according to the list management document to the query result
Collection is adjusted, and obtains meeting the reprocessing result set for showing rule.
7. realization device according to claim 6, which is characterized in that
Document configuration unit is also used to select the form structure model corresponding from the result set processing class libraries pre-established
Class is handled, the class name of the corresponding processing class of the form structure model is configured in the list management document.
8. realization device according to claim 7, which is characterized in that the result set processing unit is also used to utilize text
Part delivery means obtain the query results data, utilize the corresponding processing class of the class name and the form structure configuration item
The query results data got are adjusted, obtain meeting the reprocessing result set for showing rule.
9. realization device according to claim 6, which is characterized in that the result set processing unit is also used to parse institute
Form structure configuration item is stated, form structure configuration parameter is obtained；According to form structure configuration parameter and preset list knot
Structure adjustment sequence, is adjusted the query results, obtains meeting the reprocessing result set for showing rule.
10. realization device according to claim 6, which is characterized in that the list management document is XML format, described
Reprocessing result set is two-dimentional table structure.
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