CN107045499A - A kind of method and server for realizing data query - Google Patents
A kind of method and server for realizing data query Download PDFInfo
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- CN107045499A CN107045499A CN201610079493.1A CN201610079493A CN107045499A CN 107045499 A CN107045499 A CN 107045499A CN 201610079493 A CN201610079493 A CN 201610079493A CN 107045499 A CN107045499 A CN 107045499A
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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
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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
- G06F16/24564—Applying rules; Deductive queries
- G06F16/24565—Triggers; Constraints
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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
- G06F16/24553—Query execution of query operations
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Abstract
A kind of method and server for realizing data query, including：Server is received after query statement, and paging query sentence is generated according to query statement；Server performs each paging query sentence of generation, returns to corresponding inquiry data.Present invention method, by the paging query sentence that generates inquire about the feedback quantity of data according to query statement when paging query reduces and carries out big table data access, it is to avoid the waste of network communication and server resource, improves user experience.
Description
Technical field
The present invention relates to data processing technique, espespecially a kind of method and server for realizing data query.
Background technology
Network management, electric power supervisory control, Online Store of telecommunications etc. will often maintain mass data, this
The data maintained a bit are typically stored in the table of Database Systems；Such as telecommunication network management and power system
Monitoring needs the data such as daily performance, the warning information of maintenance system, and Online Store needs to maintain a large amount of business
Product information data etc., the usual enormous amount of data of maintenance, store these data used in table be referred to as
For big table；Such as, the big table of the daily performance data of telecommunication network management is deposited, by network element, veneer, list
Various test points produce a performance data in every 15 minutes in plate, couple large-scale communication network and pass through for 1 month
The daily performance data of big table storage is up to surprising scale.User is by client to being stored in big table
In data inquired about and browsed, to obtain required content (interested, valuable content).
The purpose that user inquires about big table is very wide in range, may relate to substantial amounts of data.
At present, the access of data is mainly carried out in big table in the following ways：The first, according to progress
During data query, server is obtained according to querying command and met after all data of querying command, will be all
Data are sent to client；Secondth, server according to querying command by fixed strip number or set time
Query Result is sent to client in batches.
When carrying out the access of data in big table using above two method, no matter user sees or not seen, largely
Inquiry data all will endlessly issue client, cause network communication and the waste of server resource, together
Shi Zaocheng client end responses speed declines, and influences user experience.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of method and server for realizing data query,
When can avoid accessing big table, substantial amounts of feedback query data.
In order to reach the object of the invention, the invention provides a kind of method for realizing data query, including：
Server is received after query statement, and paging query sentence is generated according to query statement；
Server performs each paging query sentence of generation, is returned and looked into accordingly according to each paging query sentence
Ask data.
Optionally, generation paging query sentence includes：
The paging query sentence is generated according to fixed inquiry scale according to the query statement；Or,
Generated according to fixed inquiry scale after first paging query sentence, according to preceding paging
The posterior paging query sentence of inquiry record generation of query statement；
The inquiry scale is query window number and the product of query window display data amount；
The inquiry record includes：With each paging query sentence into performing each paging query language correspondingly
Query window number, inquiry duration, the transmission duration of inquiry data, the insertion duration for inquiring about data during sentence.
Optionally, posterior paging query sentence is generated according to the inquiry of preceding paging query sentence record
Including：
What the inquiry duration and default response lag for calculating a preceding paging query sentence were divided by
Business, is used as easy-to-use coefficient；
If easy-to-use coefficient does not adjust inquiry scale in pre-set interval；
It is uncomfortable when the bar number of inquiry record is less than default value if easy-to-use coefficient exceeds pre-set interval
Whole next inquiry scale in rear paging query sentence, generates next posterior paging query sentence；
If easy-to-use coefficient exceeds pre-set interval, when the bar number of inquiry record is more than default value, according to
The inquiry scale of the posterior paging query sentence of inquiry record adjustment, gives birth to according to the inquiry scale of adjustment
Into next posterior paging query sentence.
Optionally, posterior paging query sentence is generated according to the inquiry duration of preceding paging query sentence
Before, this method also includes：
Inquiry timing is carried out respectively to each paging query sentence, to obtain preceding paging query sentence
The inquiry duration.
Optionally, this method also includes：
During the paging query sentence inquiry failure, feedback query failure information；
The query failure message includes inquiry failure cause and/or inquiry set in advance is unsuccessfully encoded.
Optionally, this method also includes：
It is determined that return the inquiry data whether be last paging query sentence last subpackage
Data；
If last packetized data of last paging query sentence, in browse queries data
Query window performs the insertion process of last packetized data：If not last paging query language
Last packetized data of sentence, the insert division of intermediate data is performed in the query window of browse queries data
Reason.
Optionally, this method also includes：
When detecting the query window page turning of browse queries data, the display inquiry data of current residual are determined
Query window number whether reach it is default triggering in rear threshold value；
If the query window number of the display inquiry data of current residual is not up to default triggering in rear threshold
Value, continues the display that current paging query sentence inquires about data；If the display inquiry data of current residual
Query window number reach it is default triggering in rear threshold value, then perform next posterior paging query sentence.
Optionally, this method also includes：
When being not detected by query window page turning or receiving the operation for closing query window, stop performing and divide
Page query statement.
Optionally, this method also includes：
Count the display time of the query window of preceding predetermined number；
The display duration of remaining query window is determined according to the average display duration of query window；
When the display duration of remaining query window reaches default activation threshold value, perform posterior paging and look into
Ask sentence.
On the other hand, the embodiment of the present invention also proposes a kind of server for realizing data query, including：It is raw
Into unit and returning unit；Wherein,
Generation unit is used for, and receives after query statement, and paging query sentence is generated according to query statement；
Returning unit is used for, and performs each paging query sentence of generation, is returned according to each paging query sentence
Corresponding inquiry data.
Optionally, generation unit specifically for,
Receive after the query statement,
The paging query sentence is generated according to fixed inquiry scale according to the query statement；Or,
Generated according to fixed inquiry scale after first paging query sentence, according to preceding paging
The posterior paging query sentence of inquiry record generation of query statement；
The inquiry scale is query window number and the product of query window display data amount；
The inquiry record includes：With each paging query sentence into performing each paging query language correspondingly
Query window number, inquiry duration, the transmission duration of inquiry data, the insertion duration for inquiring about data during sentence.
Optionally, generation unit specifically for,
Receive after the query statement,
The paging query sentence is generated according to fixed inquiry scale according to the query statement；Or,
What the inquiry duration and default response lag for calculating a preceding paging query sentence were divided by
Business, is used as easy-to-use coefficient；
If easy-to-use coefficient does not adjust inquiry scale in pre-set interval；
It is uncomfortable when the bar number of inquiry record is less than default value if easy-to-use coefficient exceeds pre-set interval
Whole next inquiry scale in rear paging query sentence, generates next posterior paging query sentence；
If easy-to-use coefficient exceeds pre-set interval, when the bar number of inquiry record is more than default value, according to
Query time adjusts the inquiry scale of a posterior paging query sentence, is given birth to according to the inquiry scale of adjustment
Into next posterior paging query sentence.
Optionally, the server also includes timing unit, for described according to preceding paging query sentence
Inquiry duration generate posterior paging query sentence before,
Inquiry timing is carried out respectively to each paging query sentence, to obtain preceding paging query sentence
The inquiry duration.
Optionally, the server also includes query feedback unit, inquires about and loses for the paging query sentence
When losing, feedback query failure information；
The query failure message includes inquiry failure cause and/or inquiry set in advance is unsuccessfully encoded.
Optionally, the server also includes subpackage processing unit, for the inquiry data for determining to return
Whether be last paging query sentence last packetized data；
If last packetized data of last paging query sentence, in browse queries data
Query window performs the insertion process of last packetized data：If not last paging query language
Last packetized data of sentence, the insert division of intermediate data is performed in the query window of browse queries data
Reason.
Optionally, the server also includes page processing unit：
When detecting the query window page turning of browse queries data, the display inquiry data of current residual are determined
Query window number whether reach it is default triggering in rear threshold value；
If the query window number of the display inquiry data of current residual is not up to default triggering in rear threshold
Value, continues the display that current paging query sentence inquires about data；If the display inquiry data of current residual
Query window number reach it is default triggering in rear threshold value, then perform next posterior paging query sentence.
Optionally, the server also includes stop element, for being not detected by query window page turning or reception
To during the operation for closing query window, stop performing paging query sentence.
Optionally, the server also includes trigger element, the inquiry window for counting preceding predetermined number
The display time of mouth；
The display duration of remaining query window is determined according to the average display duration of query window；
When the display duration of remaining query window reaches default activation threshold value, perform posterior paging and look into
Ask sentence.
Compared with correlation technique, technical scheme includes：Server is received after query statement, according to
Query statement generates paging query sentence；Server performs each paging query sentence of generation, according to each point
Page query statement returns to corresponding inquiry data.Present invention method, by being given birth to according to query statement
Into paging query sentence carry out paging query reduce carry out big table data access when inquire about data feedback
Amount, it is to avoid the waste of network communication and server resource, improves user experience.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes one of the application
Point, schematic description and description of the invention is used to explain the present invention, does not constitute to the present invention's
It is improper to limit.In the accompanying drawings：
Fig. 1 is the flow chart for the method that the embodiment of the present invention realizes data query；
Fig. 2 is the structured flowchart for the server that the embodiment of the present invention realizes data query；
Fig. 3 applies the method flow diagram of example for the present invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing
Embodiments of the invention are described in detail.It should be noted that in the case where not conflicting, this Shen
Please in embodiment and the feature in embodiment can mutually be combined.
Fig. 1 is the flow chart for the method that the embodiment of the present invention realizes data query, as shown in figure 1, including：
Step 100, server are received after query statement, and paging query sentence is generated according to query statement；
Optionally, generation paging query sentence includes：
Paging query sentence is generated according to fixed inquiry scale according to query statement；Or,
Generated according to fixed inquiry scale after first paging query sentence, according to preceding paging query
The posterior paging query sentence of inquiry record generation of sentence；
Inquiry scale is query window number and the product of query window display data amount；Here, query window
Display data amount can be understood as query window size；
Inquiry record includes：With each paging query sentence into when performing each paging query sentence correspondingly
Query window number, inquiry duration, inquiry data transmission duration, inquire about data insertion duration.Often
One paging query sentence all includes one-to-one inquiry record.
Optionally, posterior paging query sentence is generated according to the inquiry of preceding paging query sentence record
Including：
The business that the inquiry duration and default response lag for calculating a preceding paging query sentence are divided by,
It is used as easy-to-use coefficient；
If easy-to-use coefficient does not adjust inquiry scale in pre-set interval；
It should be noted that pre-set interval of the embodiment of the present invention can be (0.8,1.05).Pre-set interval
Can be the empirical value of those skilled in the art, using can be smoothly progress inquiry browsing for data be used as mark
Standard, bottom line is used as using the feedback time of acceptable most slow inquiry data.
It is uncomfortable when the bar number of inquiry record is less than default value if easy-to-use coefficient exceeds pre-set interval
Whole next inquiry scale in rear paging query sentence；
If easy-to-use coefficient exceeds pre-set interval, when the bar number of inquiry record is more than default value, according to
The inquiry scale of the posterior paging query sentence of inquiry record adjustment.
It should be noted that this application sample query duration can be recorded by server；Can be with
Inquiry is inserted into inquiry data by the initial time of client timer record execution paging query sentence
Window time, performs the initial time of paging query sentence and subtracts to inquiring about data and be inserted into the query window time
Go to inquire about the transmission duration that duration obtains inquiring about data.In addition, when inquiry duration, the transmission of inquiry data
Long, inquiry data insertion durations can stored by way of queue.
The embodiment of the present invention, it is assumed that query window number is w, the transmission duration for inquiring about data and inquiry data
Insertion duration be added and for T1, the first fitting function T of acquisition can be fitted1=a*w+b, by pre-
If the content of numerical value inquiry record, can obtain a and b in the first fitting function；Assuming that during inquiry
A length of T2, the second fitting function T of acquisition can be fitted2=c*w+d, is inquired about by default value and recorded
Content, the c and d in the second fitting function can be obtained；The sets target response time, rung with target
It is equal to (a*w+c)+(b*w+d) between seasonable and calculates the inquiry for obtaining a posterior paging query sentence
Window number w numerical value, if calculate obtain numerical value be not integer, if can be taken up or down
It is whole.This application example, target response time can set identical with default response lag numerical value, also may be used
To be adjusted according to the requirement of actual queries data feedback speed.
Optionally, the inquiry scale of a posterior paging query sentence can be calculated in client,
For example, the inquiry duration of record is sent to client, the inquiry of client combination self record by server
The transmission duration of data, the insertion duration of inquiry data are using above-mentioned first fitting function, the second fitting letter
Number and target response time calculate the inquiry scale for obtaining a posterior paging query sentence；Posterior one
The inquiry scale of individual paging query sentence can be calculated in service end, and for example, client is by record
The transmission duration for inquiring about data, the insertion duration for inquiring about data are sent to server, and server is remembered with reference to itself
The inquiry duration of record is calculated using above-mentioned first fitting function, the second fitting function and target response time and obtained
Obtain the inquiry scale of a posterior paging query sentence；
The embodiment of the present invention, the inquiry scale of posterior paging query sentence is adjusted in fact according to inquiry record
During matter, if inquiry scale is excessive, now easy-to-use coefficient is more than the maximum of pre-set interval in theory, leads to
The query window number for reducing a posterior paging query sentence is crossed, can accelerate to inquire about the feedback of data,
Easy-to-use coefficient is reduced in theory；If the scale of inquiry is too small, now easy-to-use coefficient is theoretically smaller than preset areas
Between minimum value, by increasing the query window number of a posterior paging query sentence, can increase and look into
Ask the data volume of data；Make user when performing a paging query sentence, obtain enough information；
That is, when easy-to-use coefficient is more than the maximum of pre-set interval, the inquiry in latter paging query sentence is reduced
Window number；When easy-to-use coefficient is less than the maximum of pre-set interval, increase in latter paging query sentence
Query window number.The decrement and incrementss of specific query window number are referred to fitting function and calculated
Obtain, can also be adjusted according to default step-length or Tuning function.
Step 101, server perform each paging query sentence of generation, are returned according to each paging query sentence
Return corresponding inquiry data.
Before the posterior paging query sentence of the inquiry duration of preceding paging query sentence generation, this
Inventive embodiments method also includes：
Inquiry timing is carried out respectively to each paging query sentence, to obtain looking into for preceding paging query sentence
Ask duration.
Optionally, present invention method also includes：
During the inquiry failure of paging query sentence, feedback query failure information；
Query failure message includes inquiry failure cause and/or inquiry set in advance is unsuccessfully encoded.
Optionally, present invention method also includes：
It is determined that return inquiry data whether be last paging query sentence last subpackage number
According to；
If last packetized data of last paging query sentence, in browse queries data
Query window performs the insertion process of last packetized data：If not last paging query language
Last packetized data of sentence, the insert division of intermediate data is performed in the query window of browse queries data
Reason.
Optionally, present invention method also includes：
When detecting the query window page turning of browse queries data, the display inquiry data of current residual are determined
Query window number whether reach it is default triggering in rear threshold value；Here, triggering may be set in rear threshold values
Fixed number, for example, is set to rounding up or down for 1/3 query window number；
If the query window number of the display inquiry data of current residual is not up to default triggering in rear threshold
Value, continues the display that current paging query sentence inquires about data；If the display inquiry data of current residual
Query window number reach it is default triggering in rear threshold value, then perform next posterior paging query sentence.
It should be noted that whether the query window number that data are inquired about in the display by determining current residual reaches
To default triggering in rear threshold value, it may then determine whether to perform next posterior paging query sentence, in advance
The data query in rear paging query sentence is carried out, the feedback efficiency of inquiry data is improved.
Optionally, present invention method also includes：
When being not detected by query window page turning or receiving the operation for closing query window, stop performing and divide
Page query statement.
Optionally, present invention method also includes：
Count the display time of the query window of preceding predetermined number；
The display duration of remaining query window is determined according to the average display duration of query window；
When the display duration of remaining query window reaches default activation threshold value, perform posterior paging and look into
Ask sentence.
It should be noted that determined whether according to the display time of query window when activation threshold value is met,
The execution in rear paging query sentence is carried out in advance, is improved user and is obtained in rear paging query sentence correspondence
Inquiry data speed, improve Consumer's Experience.The processing of the above method of the embodiment of the present invention can lead to
Cross central processing unit realization；The execution content being related in embodiment method can be performed by the way that generation is corresponding
After instruction, it is added in central processing unit.
Present invention method, is inquired about when reducing the big table data access of progress by paging query sentence
The feedback quantity of data, it is to avoid the waste of network communication and server resource, improves user experience.
Fig. 2 is the structured flowchart for the server that the embodiment of the present invention realizes data query, as shown in Fig. 2
Including：Generation unit and returning unit；Wherein,
Generation unit is used for, and receives after query statement, and paging query sentence is generated according to query statement；
Returning unit is used for, and performs each paging query sentence of generation, is returned according to each paging query sentence
Corresponding inquiry data.
Optionally, generation unit specifically for,
Receive after query statement,
Paging query sentence is generated according to fixed inquiry scale according to query statement；Or,
Generated according to fixed inquiry scale after first paging query sentence, according to preceding paging query
The posterior paging query sentence of inquiry record generation of sentence；
Inquiry scale is query window number and the product of query window display data amount；
Inquiry record includes：With each paging query sentence into when performing each paging query sentence correspondingly
Query window number, inquiry duration, inquiry data transmission duration, inquire about data insertion duration.
Optionally, generation unit specifically for,
Paging query sentence is generated according to fixed inquiry scale according to query statement；Or,
The business that the inquiry duration and default response lag for calculating a preceding paging query sentence are divided by,
It is used as easy-to-use coefficient；
If easy-to-use coefficient does not adjust inquiry scale in pre-set interval；
It is uncomfortable when the bar number of inquiry record is less than default value if easy-to-use coefficient exceeds pre-set interval
Whole next inquiry scale in rear paging query sentence, generates next posterior paging query sentence；
If easy-to-use coefficient exceeds pre-set interval, when the bar number of inquiry record is more than default value, according to
The inquiry scale of the posterior paging query sentence of inquiry record adjustment, gives birth to according to the inquiry scale of adjustment
Into next posterior paging query sentence.
Optionally, server of the embodiment of the present invention also includes timing unit, for being looked into according to preceding paging
Before the posterior paging query sentence of inquiry duration generation for asking sentence,
Inquiry timing is carried out respectively to each paging query sentence, to obtain looking into for preceding paging query sentence
Ask duration.
Optionally, server of the embodiment of the present invention also includes query feedback unit, for paging query sentence
During inquiry failure, feedback query failure information；
Query failure message includes inquiry failure cause and/or inquiry set in advance is unsuccessfully encoded.
Optionally, server of the embodiment of the present invention also includes subpackage processing unit, for determining that what is returned looks into
Ask data whether be last paging query sentence last packetized data；
If last packetized data of last paging query sentence, in browse queries data
Query window performs the insertion process of last packetized data：If not last paging query language
Last packetized data of sentence, the insert division of intermediate data is performed in the query window of browse queries data
Reason.
Optionally, server of the embodiment of the present invention also includes page processing unit：
When detecting the query window page turning of browse queries data, the display inquiry data of current residual are determined
Query window number whether reach it is default triggering in rear threshold value；
If the query window number of the display inquiry data of current residual is not up to default triggering in rear threshold
Value, continues the display that current paging query sentence inquires about data；If the display inquiry data of current residual
Query window number reach it is default triggering in rear threshold value, then perform next posterior paging query sentence.
Optionally, server of the embodiment of the present invention also includes stop element, for being not detected by query window
Page turning or receive close query window operation when, stop perform paging query sentence.
Optionally, server of the embodiment of the present invention also includes trigger element, for counting preceding default
The display time of several query windows；
The display duration of remaining query window is determined according to the average display duration of query window；
When the display duration of remaining query window reaches default activation threshold value, perform posterior paging and look into
Ask sentence.
Present invention method is clearly described in detail below by way of concrete application example, applied
Example is only used for the statement present invention, the protection domain being not intended to limit the present invention.
Using example
This application example system includes client and server, and client deployment is visited in the data of application system
Interface is asked, Fig. 3 applies the method flow diagram of example for the present invention, as shown in figure 3, including：
The inquiry thread of step 300, startup of server data access；
It should be noted that present invention application sample data inquiry thread can also be opened in user and browse window
Resettled during mouth, belong to the conventional techniques of those skilled in the art, will not be repeated here.Here look into
Ask thread and refer to the inquiry thread for accessing big table data.
Step 301, client receive user instruction and determine to access the data area of data, are sent out to server
Send query statement；
This step triggering client enters browsing data process, can include following processing：By determining number
Client is set to enter inquiry state according to scope, that is, it is false to put client query done state；Inquiry is sent to refer to
Server is made, server enters inquiry state.The query statement that this application example is sent to server can
With comprising：Condition query sentence, browser window page-size, query window number；Wherein, query window
Several initial values can use preset value, and such as preset value can be set as the access page of statistical analysis determination
Face number average value, for example, set the initial value of query window number as 5.
Step 302, server are received after query statement, and paging query sentence is generated according to query statement；
In this step, generation paging query sentence includes：
Paging query sentence is generated according to fixed inquiry scale according to query statement；Or,
Generated according to fixed inquiry scale after first paging query sentence, according to preceding paging query
The posterior paging query sentence of inquiry record generation of sentence；
Inquiry scale is query window number and the product of query window display data amount；
Inquiry record includes：With each paging query sentence into when performing each paging query sentence correspondingly
Query window number, inquiry duration, inquiry data transmission duration, inquire about data insertion duration.
Optionally, when generating paging query sentence according to fixed inquiry scale according to query statement, generation
The inquiry scale of each paging query sentence can be with identical；For example, the query window in inquiry scale
Be set in 5~7 several fixed value, now according to all satisfactory points of query statement generation
Page query statement, when present invention application example is using fixed inquiry scale generation paging query sentence, is looked into
Inquiry scale can be preserved as fixed parameter.
Generating posterior paging query sentence according to the inquiry of preceding paging query sentence record includes：
Calculate after the inquiry duration of previous paging query sentence is divided by with default response lag, as
Easy-to-use coefficient；
It should be noted that response lag can be based on professional standard, customer requirement or technical staff's design
Index determination, the response time of response lag Primary Reference paging query sentence；General, big table data
During inquiry, the small operation response time, for example, 3 to 5 seconds, now response lag can be set in second level
It is set to 3 to 5 seconds, if response lag sets excessive, in the case where pre-set interval is constant, will influences
User carries out the usage experience of data query.
If easy-to-use coefficient does not adjust inquiry scale in pre-set interval；This application example pre-set interval can
To be (0.8,1.05).Pre-set interval can be the empirical value of those skilled in the art, with can be smooth
Progress inquiry data browse as standard, with the feedback time of acceptable most slow inquiry data
It is used as bottom line.
It is uncomfortable when the bar number of inquiry record is less than default value if easy-to-use coefficient exceeds pre-set interval
Whole inquiry scale；Here, inquiry scale is not adjusted includes：According to the inquiry of preceding paging query sentence
Scale is generated in rear query statement；Default value could be arranged to the integer more than or equal to 2.
Inquiry record includes：When performing each paging query sentence, with each paging query sentence into one-to-one corresponding
Query window number, query responding time；Wherein, query responding time is included：Inquire about duration, inquiry
The transmission duration of data, the insertion duration for inquiring about data；
This application sample query duration is recorded by server；This application example can also pass through client
End timer record perform paging query sentence initial time to inquire about data be inserted into query window when
Between, the initial time of paging query sentence, which is performed, to inquiring about data and be inserted into the query window time subtracts inquiry
Duration obtains inquiring about the transmission duration of data.
It should be noted that adjustment record can in the server be handled by way of queue.
If easy-to-use coefficient exceeds pre-set interval, when the bar number of inquiry record is more than default value, according to
The inquiry scale of the posterior paging query sentence of inquiry record adjustment.
This application example, it is assumed that query window number is w, the transmission duration of inquiry data and inquiry data
Insert that duration is added and for T1, the first fitting function T of acquisition can be fitted1=a*w+b, by default
The content of numerical value inquiry record, can obtain a and b in the first fitting function；Assuming that inquiry duration
For T2, the second fitting function T of acquisition can be fitted2=c*w+d, record is inquired about by default value
Content, can obtain the c and d in the second fitting function；The sets target response time, with target response
Time is equal to (a*w+c)+(b*w+d) and calculates the inquiry window for obtaining a posterior paging query sentence
Mouthful number w numerical value, if calculate the numerical value obtained be not integer, if can be rounded up or down.
This application example, target response time can set identical with default response lag numerical value, can also root
It is adjusted according to the requirement of actual queries data feedback speed.
In this application example, the inquiry scale of a posterior paging query sentence can be carried out in client
Calculate, for example, server the inquiry duration of record is sent to client, client combination self record
Inquiry data transmission duration, inquire about data insertion duration use above-mentioned first fitting function, second
Fitting function and target response time calculate the inquiry scale for obtaining a posterior paging query sentence；
The inquiry scale of a paging query sentence afterwards can be calculated in service end, for example, client will
Transmission duration, the insertion duration of inquiry data of the inquiry data of record are sent to server, and server is combined
The inquiry duration of self record uses above-mentioned first fitting function, the second fitting function and target response time
Calculate the inquiry scale for obtaining a posterior paging query sentence；
Here, easy-to-use coefficient is less than the minimum of pre-set interval beyond the numerical value that pre-set interval includes easy-to-use coefficient
The numerical value of value and easy-to-use coefficient is more than two kinds of situations of maximum of pre-set interval；The numerical value of easy-to-use coefficient is less than
During the minimum value of pre-set interval, this application example obtains the first fitting function and the according to inquiry record fitting
Two fitting functions, can calculate acquisition next in rear paging query sentence by the target response time of setting
Query window number be more than preceding paging query sentence query window number；The numerical value of easy-to-use coefficient is more than pre-
If during the maximum in interval, this application example obtains the first fitting function and second according to inquiry record fitting
Fitting function, can be calculated by the target response time of setting and to obtain next in rear paging query sentence
Query window number is less than the query window number in preceding paging query sentence；Pass through adjustment, each paging query language
The inquiry data of sentence feedback are integrated in data volume and feedback velocity, are improved user and are carried out in big table
The usage experience of data query.
Looked into it should be noted that generating posterior paging according to the inquiry duration of preceding paging query sentence
When asking sentence, default value set in advance can be used as the inquiry scale of first paging query sentence,
Inquiry scale is equal to query window number and the product of client window display data amount；General query window
Several initial values can be 5~7, when specific value can be performed according to paging query sentence, inquire about data
Return speed and user experience are adjusted.
Present invention application exemplary method also includes：Inquiry timing is carried out respectively to each paging query sentence, with
Obtain the inquiry duration of preceding paging query sentence.
It should be noted that present invention application sample query timing can be carried out by timer, during inquiry
Length can be obtained by the inquiry starting time and end time for recording each paging query sentence, if
It is continuous inquiry, then the end time of upper paging query sentence is the starting point of current paging query sentence
Time；If paging query sentence is discrete inquiry, inquiry duration can be looked into by reading paging
System time when asking sentence start to finish is obtained.
Step 303, server perform each paging query sentence of generation, are returned according to each paging query sentence
Return corresponding inquiry data；
When paging query sentence is inquired about, general starting time and inquiry scale can be pressed into query stacking
It is interior, when completing the execution of paging query sentence, empty paging query sentence in query stacking.
It should be noted that perform query statement according to existing connected reference need access database or
Big table, for example, being connected by the big table access interface of database with Database；Access connection database
Or the content of big table is the conventional techniques of those skilled in the art in database, be will not be repeated here.
Present invention application example also includes：
During the inquiry failure of paging query sentence, feedback query failure information；
Optionally, query failure message can be inquiry failure cause, and/or inquiry set in advance failure
Coding.
Present invention application example also includes：It is determined that whether the inquiry data returned are last paging queries
Last packetized data of sentence：
If last packetized data of last paging query sentence, in browse queries data
Query window performs the insertion process of last packetized data：Optionally,
To each data of the packetized data of extraction, it is determined whether be the inquiry data of paging query sentence,
Shown if it is, the data of extraction are inserted into client access window, until being in packetized data
During the last item data of the inquiry data of paging query sentence, data insertion is completed；
It should be noted that when carrying out insertion process, it is true to put insert state；When stopping insertion, put slotting
Enter that state is false, poll-final is true, paging query Statement Completion.
If not last packetized data of last paging query sentence, in browse queries data
Query window perform intermediate data insertion process.
It should be noted that the insertion process of intermediate data is prior art, by extracting subpackage number one by one
According to each data be inserted into client access window, when carrying out data insertion, put insert state of crossing the border
It is false；When present invention application example carries out timing to the inquiry duration of paging query sentence, intermediate data
In insertion process, when the last item data complete the insertion of client access port, the paging query sentence
Inquiry duration cut-off.
This application exemplary method also includes：When detecting the query window page turning of browse queries data, it is determined that
Whether the query window number of the display inquiry data of current residual reaches default triggering in rear threshold value；
If the query window number of the display inquiry data of current residual is not up to default triggering in rear threshold
Value, continues the display that current paging query sentence inquires about data；If the display inquiry data of current residual
Query window number reach it is default triggering in rear threshold value, then perform next posterior paging query sentence.
This application exemplary method also includes：
When being not detected by page turning or receiving the operation for closing query window, stop performing paging query language
Sentence.
Present invention application example also includes：
Count the display time of the query window of preceding predetermined number；
The display duration of remaining query window is determined according to the average display duration of query window；
When the display duration of remaining query window reaches default activation threshold value, perform posterior paging and look into
Ask sentence.
It should be noted that predetermined number is set according to actual use situation, for example two or three,
Inquiry scale is bigger, and the numerical value of predetermined number is bigger.
Step 304, data query terminated according to query statement ending message；Here, when terminating inquiry,
Inquiry scale, inquiry duration calendar scheduling will carry out emptying processing, disconnects or keeps being connected, tying with database
Beam or reservation inquiry thread are set according to actual conditions.
Although disclosed herein embodiment as above, described content is only to readily appreciate the present invention
And the embodiment used, it is not limited to the present invention.Technology people in any art of the present invention
Member, do not depart from disclosed herein spirit and scope on the premise of, can be in the form of implementation and thin
Any modification and change, but the scope of patent protection of the present invention are carried out on section, still must be with appended right
The scope that claim is defined is defined.
Claims (18)
1. a kind of method for realizing data query, it is characterised in that including：
Server is received after query statement, and paging query sentence is generated according to query statement；
Server performs each paging query sentence of generation, is returned and looked into accordingly according to each paging query sentence
Ask data.
2. according to the method described in claim 1, it is characterised in that the generation paging query sentence bag
Include：
The paging query sentence is generated according to fixed inquiry scale according to the query statement；Or,
Generated according to fixed inquiry scale after first paging query sentence, according to preceding paging
The posterior paging query sentence of inquiry record generation of query statement；
The inquiry scale is query window number and the product of query window display data amount；
The inquiry record includes：With each paging query sentence into performing each paging query language correspondingly
Query window number, inquiry duration, the transmission duration of inquiry data, the insertion duration for inquiring about data during sentence.
3. method according to claim 2, it is characterised in that described according to preceding paging query
The posterior paging query sentence of inquiry record generation of sentence includes：
What the inquiry duration and default response lag for calculating a preceding paging query sentence were divided by
Business, is used as easy-to-use coefficient；
If easy-to-use coefficient does not adjust inquiry scale in pre-set interval；
It is uncomfortable when the bar number of inquiry record is less than default value if easy-to-use coefficient exceeds pre-set interval
Whole next inquiry scale in rear paging query sentence, generates next posterior paging query sentence；
If easy-to-use coefficient exceeds pre-set interval, when the bar number of inquiry record is more than default value, according to
The inquiry scale of the posterior paging query sentence of inquiry record adjustment, gives birth to according to the inquiry scale of adjustment
Into next posterior paging query sentence.
4. according to the method in claim 2 or 3, it is characterised in that described according to preceding paging
The inquiry duration of query statement is generated before posterior paging query sentence, and this method also includes：
Inquiry timing is carried out respectively to each paging query sentence, to obtain preceding paging query sentence
The inquiry duration.
5. the method according to any one of claims 1 to 3, it is characterised in that this method also includes：
During the paging query sentence inquiry failure, feedback query failure information；
The query failure message includes inquiry failure cause and/or inquiry set in advance is unsuccessfully encoded.
6. the method according to any one of claims 1 to 3, it is characterised in that this method also includes：
It is determined that return the inquiry data whether be last paging query sentence last subpackage
Data；
If last packetized data of last paging query sentence, in browse queries data
Query window performs the insertion process of last packetized data：If not last paging query language
Last packetized data of sentence, the insert division of intermediate data is performed in the query window of browse queries data
Reason.
7. the method according to any one of claims 1 to 3, it is characterised in that this method also includes：
When detecting the query window page turning of browse queries data, the display inquiry data of current residual are determined
Query window number whether reach it is default triggering in rear threshold value；
If the query window number of the display inquiry data of current residual is not up to default triggering in rear threshold
Value, continues the display that current paging query sentence inquires about data；If the display inquiry data of current residual
Query window number reach it is default triggering in rear threshold value, then perform next posterior paging query sentence.
8. the method according to any one of claims 1 to 3, it is characterised in that this method also includes：
When being not detected by query window page turning or receiving the operation for closing query window, stop performing and divide
Page query statement.
9. the method according to any one of claims 1 to 3, it is characterised in that this method also includes：
Count the display time of the query window of preceding predetermined number；
The display duration of remaining query window is determined according to the average display duration of query window；
When the display duration of remaining query window reaches default activation threshold value, perform posterior paging and look into
Ask sentence.
10. a kind of server for realizing data query, it is characterised in that including：Generation unit and return
Unit；Wherein,
Generation unit is used for, and receives after query statement, and paging query sentence is generated according to query statement；
Returning unit is used for, and performs each paging query sentence of generation, is returned according to each paging query sentence
Corresponding inquiry data.
11. server according to claim 10, it is characterised in that the generation unit is specifically used
In,
Receive after the query statement,
The paging query sentence is generated according to fixed inquiry scale according to the query statement；Or,
Generated according to fixed inquiry scale after first paging query sentence, according to preceding paging
The posterior paging query sentence of inquiry record generation of query statement；
The inquiry scale is query window number and the product of query window display data amount；
The inquiry record includes：With each paging query sentence into performing each paging query language correspondingly
Query window number, inquiry duration, the transmission duration of inquiry data, the insertion duration for inquiring about data during sentence.
12. server according to claim 10, it is characterised in that the generation unit is specifically used
In,
Receive after the query statement,
The paging query sentence is generated according to fixed inquiry scale according to the query statement；Or,
What the inquiry duration and default response lag for calculating a preceding paging query sentence were divided by
Business, is used as easy-to-use coefficient；
If easy-to-use coefficient does not adjust inquiry scale in pre-set interval；
It is uncomfortable when the bar number of inquiry record is less than default value if easy-to-use coefficient exceeds pre-set interval
Whole next inquiry scale in rear paging query sentence, generates next posterior paging query sentence；
If easy-to-use coefficient exceeds pre-set interval, when the bar number of inquiry record is more than default value, according to
Query time adjusts the inquiry scale of a posterior paging query sentence, is given birth to according to the inquiry scale of adjustment
Into next posterior paging query sentence.
13. the server according to claim 11 or 12, it is characterised in that the server is also wrapped
Timing unit is included, for described according to the posterior paging of the inquiry duration of preceding paging query sentence generation
Before query statement,
Inquiry timing is carried out respectively to each paging query sentence, to obtain preceding paging query sentence
The inquiry duration.
14. the server according to any one of claim 10~12, it is characterised in that the server
Also include query feedback unit, when inquiring about failure for the paging query sentence, feedback query is unsuccessfully believed
Breath；
The query failure message includes inquiry failure cause and/or inquiry set in advance is unsuccessfully encoded.
15. the server according to any one of claim 10~12, it is characterised in that the server
Also include subpackage processing unit, whether the inquiry data for determining to return are that last paging is looked into
Ask last packetized data of sentence；
If last packetized data of last paging query sentence, in browse queries data
Query window performs the insertion process of last packetized data：If not last paging query language
Last packetized data of sentence, the insert division of intermediate data is performed in the query window of browse queries data
Reason.
16. the server according to any one of claim 10~12, it is characterised in that the server
Also include page processing unit：
When detecting the query window page turning of browse queries data, the display inquiry data of current residual are determined
Query window number whether reach it is default triggering in rear threshold value；
If the query window number of the display inquiry data of current residual is not up to default triggering in rear threshold
Value, continues the display that current paging query sentence inquires about data；If the display inquiry data of current residual
Query window number reach it is default triggering in rear threshold value, then perform next posterior paging query sentence.
17. the server according to any one of claim 10~12, it is characterised in that the server
Also include stop element, for being not detected by query window page turning or receiving the operation of closing query window
When, stop performing paging query sentence.
18. the server according to any one of claim 10~12, it is characterised in that the server
Also include trigger element, the display time of the query window for counting preceding predetermined number；
The display duration of remaining query window is determined according to the average display duration of query window；
When the display duration of remaining query window reaches default activation threshold value, perform posterior paging and look into
Ask sentence.
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| CN201610079493.1A CN107045499A (en) | 2016-02-05 | 2016-02-05 | A kind of method and server for realizing data query |
| PCT/CN2017/072178 WO2017133538A1 (en) | 2016-02-05 | 2017-01-23 | Method for realizing data query and server |
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| CN201610079493.1A CN107045499A (en) | 2016-02-05 | 2016-02-05 | A kind of method and server for realizing data query |
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| CN112416967A (en) * | 2020-12-11 | 2021-02-26 | 北京北信源软件股份有限公司 | Data paging query method and device, electronic equipment and storage medium |
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| CN109359060B (en) * | 2018-10-24 | 2023-06-16 | 三六零科技集团有限公司 | Data extraction method, device, computing equipment and computer storage medium |
| CN111125148B (en) * | 2019-12-12 | 2023-07-07 | 中化石化销售有限公司 | Paging query method and device for database |
| CN112667662B (en) * | 2020-12-25 | 2022-11-08 | 银盛支付服务股份有限公司 | Common method for analyzing sql and nosql based on json key values |
| CN114039970A (en) * | 2021-11-11 | 2022-02-11 | 北京沃东天骏信息技术有限公司 | Information downloading method and device, electronic equipment and computer readable medium |
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