CN107193874A - A kind of data query method based on finger URL Yu Boolean query condition - Google Patents
A kind of data query method based on finger URL Yu Boolean query condition Download PDFInfo
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- CN107193874A CN107193874A CN201710260143.XA CN201710260143A CN107193874A CN 107193874 A CN107193874 A CN 107193874A CN 201710260143 A CN201710260143 A CN 201710260143A CN 107193874 A CN107193874 A CN 107193874A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004458 analytical method Methods 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 238000013500 data storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012804 iterative process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000000547 structure data Methods 0.000 description 1
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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
- G06F16/2453—Query optimisation
- G06F16/24534—Query rewriting; Transformation
- G06F16/24537—Query rewriting; Transformation of operators
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- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The present invention relates to a kind of data query method based on finger URL Yu Boolean query condition, for the inquiry intermediate result of iteration during data query, carry out brand-new Data Structure Design, utilize contacting between address location and query statement, effectively reduce the memory space needed for inquiry intermediate result, while iterative query intermediate result integrality is ensured, it is ensured that the operating efficiency of data query.
Description
Technical field
The present invention relates to a kind of data query method based on finger URL Yu Boolean query condition, belong to data warehouse, big
Data analysis, Data Environments technical field.
Background technology
As information-based is continued to develop, enterprise have accumulated substantial amounts of knot during production information more and more
Structure data, by taking carrier data as an example, as increasing province userbase is close to more than one hundred million scales, will be produced daily
Billions of signaling datas and metering data；Data volume is skyrocketed through, by the treatment scale of data warehouse, processing speed,
Treatment mechanism proposes higher requirement.
Generally require repeatedly to iterate and could complete in face of the analysis mining of big data, each step of calculating can all be generated
Corresponding results set；When many, the size of the size of results set even beyond original data set, this to storage,
Arithmetic speed proposes very high requirement, accordingly, it would be desirable to which a kind of quick, economic, simple method records intermediate result, is used to
Realize more efficient data query mode.
The content of the invention
The technical problems to be solved by the invention are to provide one kind and use brand-new design, with efficient, economic, simple advantage
The data query method based on finger URL Yu Boolean query condition.
In order to solve the above-mentioned technical problem the present invention uses following technical scheme：The present invention devises a kind of based on finger URL
With the data query method of Boolean query condition, the corresponding querying condition of each bar record in all initial data is obtained first,
The finger URL recorded respectively as each bar；Then initial data is directed to, data query is carried out according to target query sentence, wherein,
Following steps are carried out for inquiry intermediate results at different levels, until obtaining inquiry objective result；
Step 001. obtains the corresponding finger URL of each bar record in inquiry intermediate result respectively, and enters step 002；
Each bar in initial data and the inquiry intermediate result is recorded corresponding finger URL and packed by step 002., structure
Into the virtual view corresponding to the inquiry intermediate result, subsequently into step 003；
Step 003. judges whether the inquiry intermediate result is inquiry objective result, is then to be directed to the inquiry intermediate result institute
Corresponding virtual view, according to finger URL therein, obtains each bar by query statement in initial data therein and inquires about mesh
Mark record, as inquiry objective result, data query terminates；Otherwise step 004 is entered；
Virtual view of the step 004. corresponding to the inquiry intermediate result, according to finger URL therein, passes through inquiry
Sentence obtains each bar record in the inquiry intermediate result in initial data therein, and enters step 005；
Each bar record that step 005. is directed in the inquiry intermediate result is further inquired about, and is obtained in next stage inquiry
Between result, and return to step 001.
It is used as a preferred technical solution of the present invention：In the step 001, each bar in inquiry intermediate result is obtained respectively
While recording corresponding finger URL, for the inquiry intermediate result, set each specified attribute and tied as in the middle of the inquiry
The given query attribute of fruit, subsequently into step 002；
In the step 002, each bar in initial data, the inquiry intermediate result is recorded into corresponding finger URL, and
The given query attribute of the inquiry intermediate result is packed, and constitutes the virtual view corresponding to the inquiry intermediate result, then
Into step 003；
Step 003. judges whether the inquiry intermediate result is inquiry objective result, is then to be directed to the inquiry intermediate result institute
Corresponding virtual view, according to finger URL therein and given query attribute, by query statement in initial data therein
Each specified attribute that each bar inquires about target record is obtained, as inquiry objective result, data query terminates；Otherwise step is entered
004；
Virtual view of the step 004. corresponding to the inquiry intermediate result, according to finger URL therein and given query
Attribute, each bar obtained by query statement in initial data therein in the inquiry intermediate result is recorded, and enters step
005；
Each bar record that step 005. is directed in the inquiry intermediate result is further inquired about, and is obtained in next stage inquiry
Between result, and return to step 001.
It is used as a preferred technical solution of the present invention：Also include following execution in the step 001：
For the inquiry intermediate result, intermediate result table is set, and set the dominant record number of the intermediate result table as M,
Then judge whether the record number in the inquiry intermediate result is more than M, be, the random M bars record that obtains is deposited from the intermediate result
It is stored in the intermediate result table；Otherwise by each bar record storage in the intermediate result in the intermediate result table.
It is used as a preferred technical solution of the present invention：The target query sentence and query statement are SQL query statement.
A kind of data query method based on finger URL and Boolean query condition of the present invention uses above technical scheme
Compared with prior art, with following technique effect：
(1) the designed data query method based on finger URL Yu Boolean query condition of the present invention, for data query mistake
The inquiry intermediate result of iteration in journey, carries out brand-new Data Structure Design, utilizes the connection between address location and query statement
System, effectively reduces the memory space needed for inquiry intermediate result, while iterative query intermediate result integrality is ensured, protects
The operating efficiency of data query is demonstrate,proved；
(2) in the designed data query method based on finger URL and Boolean query condition of the present invention, in the middle of inquiry
As a result, each specified attribute is set as the given query attribute of the inquiry intermediate result, introduces given query attribute, does not only have
Effect reduces the space of data storage, and user can be helped quickly to position the record for needing to browse, in addition, based on fixed
On the basis of position symbol design, the I/O expenses when introducing of given query attribute can substantially reduce storage overhead and access；
(3) in the designed data query method based on finger URL and Boolean query condition of the present invention, in the middle of inquiry
As a result, further design setting intermediate result table, it would be preferable to support analysis personnel browse intermediate result on demand, effectively increase inquiry
The access speed of intermediate result.
Brief description of the drawings
Fig. 1 is schematic flow sheet of the present invention design based on finger URL Yu the data query method of Boolean query condition；
Fig. 2 is the structure of virtual view in data query method of the present invention design based on finger URL and Boolean query condition
Schematic diagram.
Embodiment
The embodiment of the present invention is described in further detail with reference to Figure of description.
As shown in figure 1, one kind designed by the present invention is based on finger URL (Locator) and the data of Boolean query condition are looked into
Inquiry method, obtains the corresponding querying condition of each bar record, the positioning recorded respectively as each bar in all initial data first
Accord with (Locator)；Then initial data is directed to, data query is carried out according to target query sentence, wherein, in inquiries at different levels
Between result carry out following steps, until obtain inquiry objective result；
Step 001. obtains the corresponding finger URL (Locator) of each bar record in inquiry intermediate result respectively, and enters
Step 002；
Each bar in initial data and the inquiry intermediate result is recorded corresponding finger URL (Locator) and entered by step 002.
Row packing, constitutes the virtual view corresponding to the inquiry intermediate result, subsequently into step 003；
Step 003. judges whether the inquiry intermediate result is inquiry objective result, is then to be directed to the inquiry intermediate result institute
Corresponding virtual view, according to finger URL therein (Locator), obtains each by query statement in initial data therein
Bar inquires about target record, and as inquiry objective result, data query terminates；Otherwise step 004 is entered；
Virtual view of the step 004. corresponding to the inquiry intermediate result, according to finger URL therein (Locator),
Each bar obtained by query statement in initial data therein in the inquiry intermediate result is recorded, and enters step 005；
Each bar record that step 005. is directed in the inquiry intermediate result is further inquired about, and is obtained in next stage inquiry
Between result, and return to step 001.
The designed data query method based on finger URL (Locator) with Boolean query condition of above-mentioned technical proposal, pin
To the inquiry intermediate result of iteration during data query, brand-new Data Structure Design is carried out, address location and inquiry is utilized
Contact between sentence, effectively reduces the memory space needed for inquiry intermediate result, is ensureing that iterative query intermediate result is complete
While whole property, it is ensured that the operating efficiency of data query.
Finger URL (Locator) and the data query method and technology scheme of Boolean query condition are based on based on above-mentioned design
On basis, the present invention also further devises following optimal technical scheme：For inquiry intermediate result, set each and specify category
Property as the inquiry intermediate result given query attribute, introduce given query attribute, not only effectively reduce data storage
Space, and user can be helped quickly to position the record for needing to browse, in addition, based on finger URL (Locator) design
Basis on, I/O expenses when introducings of given query attribute can substantially reduce storage overhead and access；And for looking into
Ask intermediate result, further design setting intermediate result table, it would be preferable to support analysis personnel browse intermediate result on demand, effectively improve
The access speed of inquiry intermediate result.
As shown in figure 1, a kind of designed data query based on finger URL (Locator) with Boolean query condition of the present invention
Method obtains the corresponding querying condition of each bar record in all initial data among actual application, first, makees respectively
The finger URL (Locator) recorded for each bar；Then initial data is directed to, data query is carried out according to target SQL query statement,
Wherein, following steps are carried out for inquiry intermediate results at different levels, until obtaining inquiry objective result；
Step 001. obtains the corresponding finger URL (Locator) of each bar record, Yi Jizhen in inquiry intermediate result respectively
To the inquiry intermediate result, each specified attribute is set as the given query attribute of the inquiry intermediate result, meanwhile, for this
Intermediate result, setting intermediate result table are inquired about, and sets the dominant record number of the intermediate result table inquiry is judged as M, then
Whether the record number in intermediate result is more than M, is then to obtain M bars record storage at random from the intermediate result in the intermediate result
In table；Otherwise by each bar record storage in the intermediate result in the intermediate result table, subsequently into step 002；
Each bar in initial data, the inquiry intermediate result is recorded corresponding finger URL (Locator) by step 002., with
And the given query attribute of the inquiry intermediate result is packed, the virtual view corresponding to the inquiry intermediate result is constituted, such as
Shown in Fig. 2, subsequently into step 003；
Step 003. judges whether the inquiry intermediate result is inquiry objective result, is then to be directed to the inquiry intermediate result institute
Corresponding virtual view, according to finger URL therein (Locator) and given query attribute, by SQL query statement by wherein
Initial data in obtain each specified attribute that each bar inquires about target record, as inquiry objective result, data query terminates；
Otherwise step 004 is entered；
Virtual view of the step 004. corresponding to the inquiry intermediate result, according to finger URL therein (Locator)
With given query attribute, each bar obtained by SQL query statement in initial data therein in the inquiry intermediate result is remembered
Record, and enter step 005；
Each bar record that step 005. is directed in the inquiry intermediate result is further inquired about, and is obtained in next stage inquiry
Between result, and return to step 001.
Above-mentioned design is based on finger URL (Locator) and the technical scheme of the data query method of Boolean query condition,
Among the data of physical operator, the mobile signaling protocol data wherein in initial data are as shown in table 1 below, i.e. mobile signaling protocol
Table TBL：
| Locator | Time | Number | Opposite-terminal number | Opposite end ownership place | The duration of call |
Table 1
Assuming that being recorded in initial data more than 10,000,000,000, it is necessary to by iterative query twice：
Iteration 1：The duration of call is chosen to be located at 10 minutes to 15 minutes, and time of origin is 1 day 12 October in 2015：
00 to 13：Record between 00.
Iteration 2：On the basis of the above results, lookup opposite end ownership place is Beijing, and local terminal number attribution is Nanjing
Number；(the first seven of number may decide that the ownership of number, if belong is calculating number attribution function)
For iteration 1, generation T1 SQL statement is:
Insert into T1as Select locator from TBL where
" duration of call ">600and " duration of call "<=900
And " time " between (time (" 20151001120000 "), time (" 20151001130000 "))
When needing to check iteration T1 result,
Following SQL statement can be used：
select Proj from tbl where locator in(select locator from T1)
For iteration 2, generation T2 SQL statement is：
When needing to check iteration T2 result, following SQL statement can be used：
select Proj from tbl where locator in(select locator from T2)
For the inquiry intermediate results at different levels in above-mentioned iterative process twice, the present invention is introduced designed based on finger URL
(Locator) with the data query method of Boolean query condition, data query is realized, effectively increases and inquires about needed for intermediate result
Memory space, ensure iterative query intermediate result integrality while, it is ensured that the operating efficiency of data query.
Embodiments of the present invention are explained in detail above in conjunction with accompanying drawing, but the present invention is not limited to above-mentioned implementation
Mode, can also be on the premise of present inventive concept not be departed from the knowledge that those of ordinary skill in the art possess
Make a variety of changes.
Claims (4)
1. a kind of data query method based on finger URL Yu Boolean query condition, it is characterised in that：Obtain all original first
The corresponding querying condition of each bar record, the finger URL recorded respectively as each bar in data；Then initial data is directed to, according to
Target query sentence carries out data query, wherein, following steps are carried out for inquiry intermediate results at different levels, until obtaining inquiry mesh
Mark result；
Step 001. obtains the corresponding finger URL of each bar record in inquiry intermediate result respectively, and enters step 002；
Each bar in initial data and the inquiry intermediate result is recorded corresponding finger URL and packed by step 002., and constituting should
The virtual view corresponding to intermediate result is inquired about, subsequently into step 003；
Step 003. judges whether the inquiry intermediate result is inquiry objective result, is then directed to corresponding to the inquiry intermediate result
Virtual view, according to finger URL therein, each bar obtained in initial data therein by query statement inquire about target and remember
Record, as inquiry objective result, data query terminates；Otherwise step 004 is entered；
Virtual view of the step 004. corresponding to the inquiry intermediate result, according to finger URL therein, passes through query statement
Each bar record in the inquiry intermediate result is obtained in initial data therein, and enters step 005；
Each bar record that step 005. is directed in the inquiry intermediate result is further inquired about, and is obtained and is tied in the middle of next stage inquiry
Really, and return to step 001.
2. a kind of data query method based on finger URL Yu Boolean query condition according to claim 1, it is characterised in that：
In the step 001, while each bar records corresponding finger URL in acquisition inquiry intermediate result respectively, looked into for this
Intermediate result is ask, each specified attribute is set as the given query attribute of the inquiry intermediate result, subsequently into step 002；
In the step 002, each bar in initial data, the inquiry intermediate result is recorded into corresponding finger URL, and this is looked into
The given query attribute for asking intermediate result is packed, and constitutes the virtual view corresponding to the inquiry intermediate result, subsequently into
Step 003；
Step 003. judges whether the inquiry intermediate result is inquiry objective result, is then directed to corresponding to the inquiry intermediate result
Virtual view, according to finger URL therein and given query attribute, obtained by query statement in initial data therein
Each bar inquires about each specified attribute of target record, and as inquiry objective result, data query terminates；Otherwise step 004 is entered；
Virtual view of the step 004. corresponding to the inquiry intermediate result, belongs to according to finger URL therein and given query
Property, each bar obtained by query statement in initial data therein in the inquiry intermediate result is recorded, and enters step
005；
Each bar record that step 005. is directed in the inquiry intermediate result is further inquired about, and is obtained and is tied in the middle of next stage inquiry
Really, and return to step 001.
3. a kind of data query method based on finger URL Yu Boolean query condition according to claim 1 or claim 2, its feature exists
In：Also include following execution in the step 001：
For the inquiry intermediate result, intermediate result table is set, and set the dominant record number of the intermediate result table as M, then
Judge whether record number in the inquiry intermediate result is more than M, be then from the intermediate result it is random obtain M bars record storage in
In the intermediate result table；Otherwise by each bar record storage in the intermediate result in the intermediate result table.
4. a kind of data query method based on finger URL Yu Boolean query condition according to claim 1, it is characterised in that：
The target query sentence and query statement are SQL query statement.
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| CN201710260143.XA CN107193874B (en) | 2017-04-20 | 2017-04-20 | Data query method based on locator and logic query condition |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6356888B1 (en) * | 1999-06-18 | 2002-03-12 | International Business Machines Corporation | Utilize encoded vector indexes for distinct processing |
| CN101089851A (en) * | 2007-07-12 | 2007-12-19 | 复旦大学 | XML flow buffer store manage method based on partial binary prefix code |
| CN101216840A (en) * | 2008-01-21 | 2008-07-09 | 金蝶软件（中国）有限公司 | Data enquiry method and data enquiry system |
| CN103049473A (en) * | 2012-10-15 | 2013-04-17 | 新浪技术（中国）有限公司 | Data querying method and device |
| CN104756101A (en) * | 2012-10-31 | 2015-07-01 | 惠普发展公司，有限责任合伙企业 | Executing a query having multiple set operators |
-
2017
- 2017-04-20 CN CN201710260143.XA patent/CN107193874B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6356888B1 (en) * | 1999-06-18 | 2002-03-12 | International Business Machines Corporation | Utilize encoded vector indexes for distinct processing |
| CN101089851A (en) * | 2007-07-12 | 2007-12-19 | 复旦大学 | XML flow buffer store manage method based on partial binary prefix code |
| CN101216840A (en) * | 2008-01-21 | 2008-07-09 | 金蝶软件（中国）有限公司 | Data enquiry method and data enquiry system |
| CN103049473A (en) * | 2012-10-15 | 2013-04-17 | 新浪技术（中国）有限公司 | Data querying method and device |
| CN104756101A (en) * | 2012-10-31 | 2015-07-01 | 惠普发展公司，有限责任合伙企业 | Executing a query having multiple set operators |
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Denomination of invention: A data query method based on locators and logical query conditions Effective date of registration: 20201010 Granted publication date: 20200616 Pledgee: Jiangsu Zijin rural commercial bank Limited by Share Ltd. branch of science and technology Pledgor: Jiangsu weichi Digital Technology Co.,Ltd. Registration number: Y2020980006707 |
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Denomination of invention: A data query method based on locator and logical query conditions Effective date of registration: 20210924 Granted publication date: 20200616 Pledgee: Jiangsu Zijin Rural Commercial Bank Co.,Ltd. Gulou sub branch Pledgor: Jiangsu weichi Digital Technology Co.,Ltd. Registration number: Y2021320000243 |
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Denomination of invention: A Data Query Method Based on Locator and Logical Query Conditions Effective date of registration: 20220818 Granted publication date: 20200616 Pledgee: Jiangsu Zijin Rural Commercial Bank Co.,Ltd. Gulou sub branch Pledgor: Jiangsu weichi Digital Technology Co.,Ltd. Registration number: Y2022320000475 |
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