CN107169130A - The visual inquiry method and system of a kind of database - Google Patents
The visual inquiry method and system of a kind of database Download PDFInfo
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- CN107169130A CN107169130A CN201710427410.8A CN201710427410A CN107169130A CN 107169130 A CN107169130 A CN 107169130A CN 201710427410 A CN201710427410 A CN 201710427410A CN 107169130 A CN107169130 A CN 107169130A
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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
- G06F16/2452—Query translation
-
- 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
- G06F16/2428—Query predicate definition using graphical user interfaces, including menus and forms
-
- 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
- G06F16/2452—Query translation
- G06F16/24526—Internal representations for queries
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/248—Presentation of query results
Abstract
The present invention relates to field of database query technology, the visual inquiry method and system of a kind of database are disclosed, by generating visualized graph interface；According to analysis task type, concatenation, and arrange parameter are carried out to the basic module, with creation analysis task visualization model；Statement translation is carried out to the visualization model, with the target query language statement sequence of generation；According to the target query language statement sequence, database is inquired about.The present invention is applied to Array Model, can correctly define science data analysis task, realizes visualization and builds complex query statement sequence, meets the demand that user's visualization builds complex query sentence.
Description
Technical field
The present invention relates to field of database query technology, more particularly to a kind of database visual inquiry method and be
System.
Background technology
The arrival of magnanimity science data makes field scientist face unprecedented Scientific data management predicament.On the one hand,
Relational DBMS of the tradition using table as data model can not meet the extensive science data of scientific domain
Regulatory requirement；On the other hand, for the field scientist of Non-computer Majors background, quick definition data analysis task is
The key of research, but it is still relatively difficult to write complex query sentence using query language.Array database system (Array
Database System) rise provide optional solution newly for Scientific data management, but these systems generally use
The array query language each designed, query statement for representing complicated analysis task is write this again improves scientists
Threshold.
Visual inquiring structuring can easily generate complicated SQL statement, reduce the threshold for writing complex query.It is existing
Visual query building mode in technology is broadly divided into four classes：Table parameter form inquiring structuring, example statement inquiry mode,
Natural language description and graph inquiring structuring mode.First two is easy to use, such as SDSS SkyServer, but table parameter shape
Formula is inquired about and example statement inquires about the stronger domain knowledge of needs, and the support inquired about User Defined is limited, the scope of application
It is limited；The third is using natural language description as input, such as NaLIR, and it is only supported using English as description language at present, and will be various
The actual pattern of natural language description accurate translation into database is relatively difficult, and applicability is not also strong.4th kind of mode, user is only
Drag operation is needed to complete the setting of data object and the structure of query statement, such as Ajax Query Builder, but this
Mode is mainly directed towards relevant database, is no longer desirable for Scientific data management and the analysis of Array Model.
The content of the invention
The present invention provides the visual inquiry method and system of a kind of database, solves visual inquiry in the prior art
Construction method applicability is not strong, inefficient, is particularly unsuitable for the technical problem of Array Model.
The purpose of the present invention is achieved through the following technical solutions：
A kind of visual inquiry method of database, including：
Visualized graph interface is generated, the visualized graph interface includes exercisable function menu option and basic group
Part, the basic module includes SELECT components, result items list element, Data source table list element, table connection component, condition
Component and function component are set；
According to analysis task type, concatenation, and arrange parameter are carried out to the basic module, with creation analysis task
Visualization model；
Statement translation is carried out to the visualization model, with the target query language statement sequence of generation；
According to the target query language statement sequence, database is inquired about.
The visual inquiry method of foregoing database, it is described according to analysis task type, basic module is spliced
Operation, and after the step of arrange parameter, it is described the step of carry out statement translation to the visualization model before, including：
The parameter region of the basic module is traveled through, the parameter value of the basic module is collected；
The parameter value being collected into is changed into the parameter list of grammaticality.
The visual inquiry method of foregoing database, it is described according to analysis task type, basic module is spliced
Operate, and the step of arrange parameter includes：
According to analysis task type, concatenation, and arrange parameter are carried out to the basic module；
During concatenation, according to the syntax rule of target query language, the parameter between the basic module is judged
Whether type matches；
When the parameter type between the basic module is mismatched, produce alarm and indicate.
The step of visual inquiry method of foregoing database, progress statement translation to the visualization model,
Including：
Take out the parameter in parameter list；
The parameter position parameter of taking-up inserted in the target query language sentence of correspondence basic module；
From the generation of internal code BOB(beginning of block), successively carry out, with the target query language statement sequence of generation.
A kind of visual query system of database, it is characterised in that including：
Interface generation module, for generating visualized graph interface, the visualized graph interface includes exercisable work(
Energy menu option and basic module, the basic module include SELECT components, result items list element, Data source table list group
Part, table connection component, condition setting component and function component；
Graphical analytic type inquiring structuring module, for according to analysis task type, splicing to the basic module
Operation, and arrange parameter, with creation analysis task visualization model；
Query translation module, for carrying out statement translation to the visualization model, with the target query language language of generation
Sentence sequence；
Query execution module, for according to the target query language statement sequence, inquiring about database.
The visual query system of foregoing database, in addition to parameter collection module, for traveling through the basic module
Parameter region, collect the parameter value of the basic module；The parameter value being collected into is changed into grammaticality
Parameter list.
The visual query system of foregoing database, the graphical analytic type inquiring structuring module, including：
Parameter set unit, for according to analysis task type, carrying out concatenation to the basic module, and set ginseng
Number；
Execution unit is built, for during concatenation, according to the syntax rule of target query language, judges described
Whether the parameter type between basic module matches；
Matching judgment unit, for when the parameter type between the basic module is mismatched, producing alarm and indicating.
The visual query system of foregoing database, the query translation module, including：
Parameter acquiring unit, for taking out the parameter in parameter list；
Parameter generating unit, for the parameter of taking-up to be inserted in the target query language sentence of correspondence basic module
Parameter position；
Execution unit is translated, for from the generation of internal code BOB(beginning of block), successively carrying out, with the target query language language of generation
Sentence sequence.
The present invention technique effect be：By generating visualized graph interface；According to analysis task type, to described basic
Component carries out concatenation, and arrange parameter, with creation analysis task visualization model；Line statement is entered to the visualization model
Translation, with the target query language statement sequence of generation；According to the target query language statement sequence, database is looked into
Ask.The present invention is applied to Array Model, can correctly define science data analysis task, realizes visualization and builds complex query language
Sentence sequence, meets the demand that user's visualization builds complex query sentence.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the visual inquiry method of database provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of graphical analysis task basic module (Block) provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of the visual query system of database provided in an embodiment of the present invention.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
For the research-on-research of the scientific domains such as astronomy, nuclear physics, long-range remote sensing application, oceanography and biology
For person, the natural data model of the data obtained in its research process is mostly array (Array) model, one-dimensional
Array is array, and two-dimentional Array is from logical form, and the table of relational database is of equal value, but Array has three-dimensional
The even more form of higher-dimension.The embodiments of the invention provide a kind of visual inquiry method of database, as shown in figure 1, including：
Step 101, generation visualized graph interface；
Wherein, the visualized graph interface includes exercisable function menu option and basic module, basic module bag
Include the basic module (Block) of analytic type task as shown in Figure 2, including the basic Block mono- of (a) SELECT, (b) SELECT bases
The basic Block tri- of this Block two, (c) SELECT, the basic Block tetra- of (d) SELECT, (e) result items list Block, (f) number
According to source table list Block (g), base table connection Block (h), primary condition Block examples, (i) function (containing built-in function and
SQL) Block examples etc..Wherein, list Block can increase and decrease list items number according to query intention.These Block
Interface is built including visualization, can be by simply splicing Block come expression analysis task so as to obtain user, and automatically generate
The statement sequence of target query language.
Step 102, according to analysis task type, concatenation, and arrange parameter are carried out to the basic module, to build
Analysis task visualization model；
Wherein, step 102, it can specifically include：
Step 102-1, according to analysis task type, concatenation, and arrange parameter are carried out to the basic module；
In this step, splice graphical analysis task basic module (Block) structure science data analysis times by pulling
Business.Concatenation supports the function of complicated nested query, and (level of nesting is or not the nested query that can for example build as follows
Limit).
Select a,b,d
from A,B
where A.a>B.b and d in(select d from B where d>12)。
During step 102-2, concatenation, according to the syntax rule of target query language, the basic module is judged
Between parameter type whether match；
Step 103, to the visualization model carry out statement translation, with the target query language statement sequence of generation；
Wherein, step 103, it can specifically include：
Step 103-1, the parameter taken out in parameter list；
Step 103-2, the parameter for inserting the parameter of taking-up in the target query language sentence for corresponding to basic module
Position；
Step 103-3, from internal code BOB(beginning of block) generation, successively carry out, with the target query language statement sequence of generation.
Step 104, according to the target query language statement sequence, database is inquired about.
Wherein, target query language is the query language AQL of array (Array) database.AQL is when design, ginseng
According to SQL, but there is difference in both in the syntax and semantics rule of language.
Between step 103 and step 102, it can also include：
Step a, the traversal basic module parameter region, collect the parameter value of the basic module；
Step b, the parameter list that the parameter value being collected into is changed into grammaticality.
Step c, when between the basic module parameter type mismatch when, produce alarm indicate.
The visual inquiry method and system of a kind of database provided in an embodiment of the present invention, by generating visualized graphs
Interface；According to analysis task type, concatenation, and arrange parameter are carried out to the basic module, can with creation analysis task
Depending on changing module；Statement translation is carried out to the visualization model, with the target query language statement sequence of generation；According to the mesh
Query language statement sequence is marked, database is inquired about.The present invention is applied to Array Model, can correctly define science data point
Analysis task, realizes visualization and builds complex query statement sequence, meets the demand that user's visualization builds complex query sentence.
The embodiment of the present invention additionally provides a kind of visual query system of database, as shown in figure 3, including：
Interface generation module 310, for generating visualized graph interface, the visualized graph interface includes exercisable
Function menu option and basic module, the basic module include SELECT components, result items list element, Data source table list
Component, table connection component, condition setting component and function (built-in function and SQL) component；
Graphical analytic type inquiring structuring module 320, for according to analysis task type, being spelled to the basic module
Operation, and arrange parameter are connect, with creation analysis task visualization model；
Query translation module 330, for carrying out statement translation to the visualization model, with the target query language of generation
Statement sequence；
Query execution module 340, for according to the target query language statement sequence, inquiring about database.
Wherein, the system can be with parameter collection module 350, the parameter region for traveling through the basic module, collects
The parameter value of the basic module；The parameter value being collected into is changed into the parameter list of grammaticality.
The graphical analytic type inquiring structuring module 320, including：
Parameter set unit 321, for according to analysis task type, carrying out concatenation to the basic module, and set
Put parameter；
Execution unit 322 is built, for during concatenation, according to the syntax rule of target query language, is judged
Whether the parameter type between the basic module matches；
Matching judgment unit 323, for when the parameter type between the basic module is mismatched, producing alarm and referring to
Show.
The query translation module 330, including：
Parameter acquiring unit 331, for taking out the parameter in parameter list；
Parameter generating unit 332, the target query language language for the parameter of taking-up to be inserted to correspondence basic module
Parameter position in sentence；
Execution unit 333 is translated, for from the generation of internal code BOB(beginning of block), successively carrying out, with the target query language of generation
Say statement sequence.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
Software adds the mode of required hardware platform to realize, naturally it is also possible to all implemented by hardware, but in many cases before
Person is more preferably embodiment.Understood based on such, whole that technical scheme contributes to background technology or
Person part can be embodied in the form of software product, and the computer software product can be stored in storage medium, such as
ROM/RAM, magnetic disc, CD etc., including some instructions are to cause a computer equipment (can be personal computer, service
Device, or the network equipment etc.) perform method described in some parts of each embodiment of the invention or embodiment.
The present invention is described in detail above, principle and embodiment party of the specific case used herein to the present invention
Formula is set forth, and the explanation of above example is only intended to the method and its core concept for helping to understand the present invention；Meanwhile, it is right
In those of ordinary skill in the art, according to the thought of the present invention, change is had in specific embodiments and applications
Part, in summary, this specification content should not be construed as limiting the invention.
Claims (8)
1. a kind of visual inquiry method of database, it is characterised in that including：
Visualized graph interface is generated, the visualized graph interface includes exercisable function menu option and basic module,
The basic module includes SELECT components, result items list element, Data source table list element, table connection component, condition and set
Put component and function component；
According to analysis task type, concatenation, and arrange parameter are carried out to the basic module, it is visual with creation analysis task
Change module；
Statement translation is carried out to the visualization model, with the target query language statement sequence of generation；
According to the target query language statement sequence, database is inquired about.
2. the visual inquiry method of database according to claim 1, it is characterised in that described according to analysis task class
Type, it is described line statement is entered to the visualization model to turn over after carrying out concatenation, and the step of arrange parameter to basic module
Before the step of translating, including：
The parameter region of the basic module is traveled through, the parameter value of the basic module is collected；
The parameter value being collected into is changed into the parameter list of grammaticality.
3. the visual inquiry method of database according to claim 1 or 2, it is characterised in that described to be appointed according to analysis
Service type, concatenation is carried out to basic module, and the step of arrange parameter includes：
According to analysis task type, concatenation, and arrange parameter are carried out to the basic module；
During concatenation, according to the syntax rule of target query language, the parameter type between the basic module is judged
Whether match；
When the parameter type between the basic module is mismatched, produce alarm and indicate.
4. the visual inquiry method of database according to claim 1 or 2, it is characterised in that described to described visual
Change the step of module carries out statement translation, including：
Take out the parameter in parameter list；
The parameter position parameter of taking-up inserted in the target query language sentence of correspondence basic module；
From the generation of internal code BOB(beginning of block), successively carry out, with the target query language statement sequence of generation.
5. a kind of visual query system of database, it is characterised in that including：
Interface generation module, for generating visualized graph interface, the visualized graph interface includes exercisable function dish
Uniterming and basic module, the basic module include SELECT components, result items list element, Data source table list element,
Table connection component, condition setting component and function component；
Graphical analytic type inquiring structuring module, for according to analysis task type, concatenation to be carried out to the basic module,
And arrange parameter, with creation analysis task visualization model；
Query translation module, for carrying out statement translation to the visualization model, with the target query language sentence sequence of generation
Row；
Query execution module, for according to the target query language statement sequence, inquiring about database.
6. the visual query system of database according to claim 5, it is characterised in that also including parameter collection mould
Block, the parameter region for traveling through the basic module collects the parameter value of the basic module；By the parameter being collected into
Value changes into the parameter list of grammaticality.
7. the visual query system of the database according to claim 5 or 6, it is characterised in that the graphical analysis
Type inquiring structuring module, including：
Parameter set unit, for according to analysis task type, concatenation, and arrange parameter to be carried out to the basic module；
Execution unit is built, for during concatenation, according to the syntax rule of target query language, judges described basic
Whether the parameter type between component matches；
Matching judgment unit, for when the parameter type between the basic module is mismatched, producing alarm and indicating.
8. the visual query system of the database according to claim 5 or 6, it is characterised in that the query translation mould
Block, including：
Parameter acquiring unit, for taking out the parameter in parameter list；
Parameter generating unit, the ginseng in target query language sentence for the parameter of taking-up to be inserted to correspondence basic module
Numerical digit is put；
Execution unit is translated, for from the generation of internal code BOB(beginning of block), successively carrying out, with the target query language sentence sequence of generation
Row.
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Cited By (3)
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| CN109783549A (en) * | 2018-12-29 | 2019-05-21 | 成都信息工程大学 | Meteorological data visualization discovery system and method, computer, computer program |
| CN112732744A (en) * | 2021-01-12 | 2021-04-30 | 重庆长安汽车股份有限公司 | Method for efficiently processing CIDAS database based on Tcl/Tk and R languages |
| CN112799659A (en) * | 2021-01-12 | 2021-05-14 | 杨飞 | Method, device and terminal for automatically generating data interface without programming |
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Application publication date: 20170915 |