CN105279219A - Implementation method for dynamic level switching and summarizing of multi-level dimensions - Google Patents
Implementation method for dynamic level switching and summarizing of multi-level dimensions Download PDFInfo
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Abstract
The invention, aiming to overcome the functional shortcomings in level switching and statistical summary for immediate viewing of multi-level dimensions, provides an implementation method for dynamic level switching and summarizing of the multi-level dimensions. Through the steps and methods of defining the default viewing levels of the multi-level dimensions, defining the dimension fixed length prefix encoding, realizing dimension encoding KV storage, calculating the number of level conversion characters, finding and converting the encodings and dimension names, data summarizing according to the dimension names, and the level displaying and switching selection of the multi-level dimensions and the like, the level switching and statistical summary for the immediate viewing of the multi-level dimensions are realized.
Description
Technical field
The invention belongs to the large data of computer technology, business intelligence field, the implementation method particularly relating to a kind of multistage dimension switching at runtime and gather.
Background technology
In the large data, business intelligence field of computer technology, dimension is a key concept, is also class data.As the formation situation from age angle analysis data, understand juvenile, young, middle age, the data volume of the elderly is how many, then this age is exactly viewing angle, also be a dimension, and " teenager ", " youth ", " middle age ", " old age " is all the member of this dimension, dimension member also represents by the form of numerical value segmentation and stepping sometimes, as with " 10-20 ", " 20-30 ", the member that printed words such as " 30-40 " do age dimension is formed, wherein the printed words of stepping prompting " 10-20 " are used for representing that the age is more than or equal to 10 years old and is less than the situation of 20 years old, the implication of other stepping printed words the like.Multiple dimension can be used in the data statistic analysis process in business intelligence field, citing is as age, sex, occupation, educational background, hobby etc., these dimensions are important means of restriction filtering data and statistical data analysis, dimension number also directly affects the abundant of statistical data analysis and careful degree, data value is excavated, utilize significant.
The aforementioned key concept illustrating dimension, the member of usual dimension forms not unified standard, and mainly with meeting under statistical study requirement prerequisite more simply, more few better, member forms the statistics simply then generated
figuretable is also simple, and be convenient to analyst and understand, membership is not only conducive to analyst's interactive operation less, and can also reduce the expense of system process, improves processing speed.Though dimension member forms not unified standard, there is implicit orthogonal classification method requirement, not only dimension member should not overlapping, comprise but also can tightly cover all data, an item number is according to needing to belong to and only belonging to a member of dimension in other words.Dimension member forms illegal orthogonality requirement can cause data representation and understanding
mistake.Aforementioned age dimension adopts wherein any one constituted mode to be all fairly simple, if but analyze demand more complicated and the simple formation of dimension member when not satisfying the demand, then need structure, use multistage dimension.
The member of multistage dimension forms and does not also seek unity of standard, equally to make a concrete analysis of scene, demand designs and is formed, and does not also possess the universality outside scene.Although real multistage dimension is a lot of in large data, business intelligence field, illustrate with age dimension here, be convenient to contrast, understand.If " suitable ", " suitable work ", " retirement " several member first will be divided into the age, again " suitable " member is divided into several stepping such as " 5-10 ", " 10-15 ", " 15-20 ", " 20-25 ", so far age dimension has been exactly the multistage dimension of a two-stage.As used the one-level dimension at age then by " suitable ", " suitable work ", " retirement " statistical summaries data respectively, use the secondary dimension at age then by " 5-10 ", " 10-15 ", " 15-20 ", " 20-25 " difference statistical summaries data.Multistage dimension is a dimension, but has the effect of multiple simple dimension on using, helpful especially for statistical study.This age multistage dimension can also continue to supplement the formation improving member, continue to expand to three grades, level Four or more dimension, even but the multistage dimension of two-stage is also more complicated than simple dimension process a lot, and the especially switching of rank during statistical study, data summarization are complicated especially.Immediately the switching of observation rank, statistical summaries function is carried out when realizing multistage dimension statistical study, and reduce the storage overhead realized, improve computing velocity, increase dirigibility, universality, effectively can promote the application of multistage dimension, for business diagnosis provides effective support.
Summary of the invention
The present invention is directed to the deficiency that multistage dimension carries out observing rank switching, statistical summaries function immediately, the implementation method providing a kind of multistage dimension switching at runtime and gather.By defining multistage dimension default observation rank, dimension fixed length prefix code, dimension encoded K V storage, rank hand over word number, be encoded to the searching and change of dimension name, carry out data summarization according to dimension name, multistage dimension level shows and switches the step and methods such as selections and realize multistage dimension and immediately carry out the switching of observation rank, statistical summaries.
The definition multistage dimension default observation rank of invention step, method is because of the statistical summaries that a moment can only by one of them rank carry out data of multistage dimension in observed data, define default observation rank and specify which rank to carry out statistical summaries by, instant amendment default observation rank is the viewing angle of multistage dimension with regard to switching at runtime also, change statistical summaries rank, thus it is different to obtain statistical summaries data, achieves the multi-level analysis that business needs.
The dimension fixed length prefix code of invention step, method specifies multistage dimension different stage to use the character of fixed number to encode, and previous stage coding is the prefix of rear stage coding, so defines comprising and expansion relation of data.
The dimension encoded K V storage of invention step, method refers to that whole coding definition of multistage dimension and the corresponding relation of coding and dimension name store in the mode of KV, to accelerate by stochastic searching speed when dimension coding lookup, conversion dimension name.
The rank hand over word number of invention step, method calculates number of characters corresponding to specific grade encoding according to code length at different levels, wherein the number of characters of level encoder is itself code length, the number of characters of secondary coding is the length that level encoder length adds secondary coding itself, therefore longer than level encoder, three grades, quaternary characters number also calculates by similar method.
Invention step, method be encoded to dimension name search and change be hierarchical statistics analyze an intermediate steps.For saving storage space, in analysis data to be counted, multistage dimension only deposits a data item, and this data item content is the coding of this multistage dimension maximum level, is fixed-length data item, and its prefix is level encoder, secondary coding etc.As needed first number of levels k to be converted to corresponding code length number of characters n when analyzing data by k level encoding statistics, multistage dimension data Xiang Jun gets a front n character and searches the definition of multistage dimension coding by the mode of KV, extracts corresponding dimension name.
Invention step, method according to dimension name carry out data summarization be data whether are identically carried out adding up by dimension name, combined data, realize data and organize by dimension.
The multistage dimension level of invention step, method shows and switches selection to be that the data based on multistage dimension default observation rank statistical summaries are presented on a graphical user interface in the mode of summary sheet and analyzed pattern, point out out current default to observe rank is which rank of simultaneously on earth, allows immediately to be modified as other classifications and instant combined data, refreshes the user interface presented.
The present invention is directed to the deficiency that multistage dimension carries out observing rank switching, statistical summaries function immediately, the implementation method providing a kind of multistage dimension switching at runtime and gather, immediately the switching of observation rank, statistical summaries function is carried out when realizing multistage dimension statistical study, and reduce storage overhead, improve computing velocity, increase dirigibility, universality, effectively can promote the application of multistage dimension, for business diagnosis provides strong support.
Accompanying drawing explanation
fig. 1for the step method signal of a kind of multistage dimension switching at runtime of the present invention and the implementation method that gathers.
fig. 2for a kind of multistage dimension switching at runtime of the present invention and the default observation rank of implementation method that gathers highlight and immediately switch signal
figure.Its neutron
figure 20 1for highlighting function items, show that " 1 grade " is that rank is observed in current default.Son
figure 20 2, 203,204 be that rank is observed in non-current default, but can be clicked by mouse and immediately switch to default observation rank.Multistage dimension has and only has one to be default observation rank, and when setting new default observation rank, default observation rank before automatically becomes non-default and observes rank.
fig. 3the default classification of multistage dimension is done viewing angle and is realized signal
figureit is Multistage stepping dimension that interface mouse points to " standardized product ", and its default viewing angle is 3 grades, and statistical summaries data mark by 3 grades of dimension name, the effect that two indices, bar chart present, viewed from use angle, the data of multistage dimension present with simple dimension is the same.
fig. 4multistage dimension revises the signal of default viewing angle immediately
figure, click the mouse when Multistage stepping " standardized product " has been current observation dimension, eject and cut
figurethis window.Wherein " 3 grades " are default viewing angles, present the state of highlighting, and below correspondence " 3 grades " data statistics is gathered information." 2 grades " of mouse-pointing are the ranks that can be set as new default viewing angle.
fig. 5multistage dimension switches the signal of the page furbishing after default display level immediately
figure, compare with before switching, the mark of statistic analysis graphs changes.
Embodiment
For making the object of a kind of multistage dimension switching at runtime of the present invention and the implementation method that gathers, technical scheme and advantage clearly, the multistage dimension below in conjunction with preferred embodiments telecommunications company product describes the Method and Technology details of realization in detail.Whereby to the present invention's how application technology means technical solution problem, and the implementation procedure reaching technique effect can fully understand and implement according to this.
Investigate and determine multistage dimension use scenes demand
The design of aforementioned dimension and multistage dimension realizes must to meet premised on use scenes demand, and pursue under this prerequisite and as far as possible simply, efficiently, neatly realize, therefore investigate and determine the first step of the concrete implementation of implementation method that multistage dimension use scenes demand is a kind of multistage dimension switching at runtime of the present invention and gathers.
The multistage dimension example use scenes requirement investigation of telecommunications company's product and confirmation
as table 1shown in.
table 1
Define default observation rank
Arrange a storage of variables exactly in the definition of invention step, method default observation rank implementation process, record the default observation rank of multistage dimension, initial value is 1, uses in operating process and revises, record up-to-date default observation rank in system.
The enforcement that dimension fixed length prefix code, dimension encoded K V store
Need first to define multistage dimension storage organization in the implementation process that the dimension fixed length prefix code of invention step, method, dimension encoded K V store, schematically as follows, fldname wherein deposits multistage dimension field name, and dimid deposits multistage dimension coding, and dimname deposits dimension name.Fldname and dimid is the key of hash index altogether again, and dimname is value, and data store in the mode of KV and search.
KV stores and inquiry implementation has plurality of optional, can designed, designed, structure hash memory bank, provides supporting inquiry code, whole system one integrated mass.Also ripe KV framework can be looked for build KV service, complete storage and the inquiry service of KV data.
The benefit depositing multistage dimension field name is to make this storage organization can deposit all multistage dimension codings and title, facilitates system operation and maintenance.
The multistage dimension of telecommunications company's product is defined as follows:
ProductID，*，4：2：5：7：9
ProductID, 10, access class
ProductID, 10101, communication class
ProductID, 1010101, landline telephone
ProductID, 101010101, landline telephone is only containing local voice
ProductID, 101010102, fixing public telephone
ProductID, 101010103, subscriber exchange
ProductID, 101010104, city user's junction line
ProductID, 1010102, Personal Handyphone System
ProductID, 1010103, mobile phone
ProductID, 101010301, mobile phone (only containing local voice)
ProductID, 101010302, wireless public telephone
ProductID, 10102, online class
ProductID, 1010201, dial up on the telephone
ProductID, 1010202, wing broadband, sky
ProductID, 101020201, ADSL (Asymmetric Digital Subscriber Line) (ADSL)
ProductID，101020202，LAN
ProductID, 101020203, optical fiber
ProductID, 101020204, sky wing broadband-cable broadband
ProductID, 101020205, sky wing broadband-card of surfing Internet
ProductID, 101020299, other
ProductID, 1010203, other
ProductID, 10103, circuit hires out class
ProductID，1010301，DDN
ProductID, 1010302, frame relay
ProductID，1010303，ATM
ProductID, 1010304, packet switch
ProductID, 1010305, digital circuit
ProductID, 1010306, other
ProductID, 10109, other
ProductID, 1010999, other
ProductID, 101099999, other
ProductID, 99, other
ProductID, 99999, other
ProductID, 9999999, other
ProductID, 999999999, other
ProductID ,-1, unknown
Can be known by above-mentioned configuration, the product coding of what in the data of analysis to be counted, ProductID data item was deposited is all 9 characters, to get wherein n character according to default observation rank during statistical study and carries out searching, is converted to and is easy to dimension name that analyst understands as " access class ", " communication class " etc.
Above-mentioned coding implementation method can tackle the problem that in data, code level is not neat, and system robustness is better
!and classification number change, all only adjust multistage dimension during the adjustment of classification code length and define, need not adjust implementation procedure, the tolerance that invention implementation procedure changes demand is strong.
Rank hand over word number
That the descriptor row " ProductID, *, 4:2:5:7:9 " utilizing multistage dimension to define carries out in the rank hand over word number implementation process of invention step, method.4 generations wherein
table Pthe multistage dimension of roductID is divided into 4 ranks; Wherein 2 represent first order code length 2 characters; Wherein 5 represent second level code length 5 characters (having comprised 2 characters of one-level code length); 7 generations wherein
table threelevel code length 7 characters (containing secondary code and one-level code); Wherein 9 represent fourth stage code length 9 characters (contain three grades, secondary, level encoder).If Multistage stepping dimension also has more rank to define by that analogy.
First implementation process is key by structure " ProductID, * " and is found corresponding value for " 4:2:5:7:9 "; Convert the value character string separated with colon to multiple numerical term again, just obtain the progression of multistage dimension and the code length of every one-level use thus.Value string needs to carry out validity checking after resolving:
The numerical value number of 1, dividing sum of series follow-up is equal;
2, first order classification code length is greater than 0;
3, rear stage code length is greater than previous stage code length.
Use corresponding numerical value according to default observation rank, if default observation rank is 3, then use the third level code length after conversion, number of characters is exactly 7.
Separately it should be noted that the opportunity of rank hand over word number carries out when SQL statement is resolved, the process of rank hand over word number is also unstructured data resolving, and need self-developing resolving code to realize, ready-made relevant database cannot be supported.
Be encoded to searching and changing of dimension name
Need to utilize the multistage dimension coding in analysis data to be counted and dimension table jointly to carry out in the implementation process of searching and changing being encoded to dimension name of invention step, method.
Statistical study is carried out as used 3 grades of visual angles of the multistage dimension of product, it is 7 that functional method before then utilizing has obtained 3 grades of visual angle code lengths, when extracting each row of data of analysis to be counted, ProductID item only gets front 7 characters, and key such as " ProductID; 1010103 " is generated together with field name, finding value through KV is cellular phone.
Whole implementation processes of multistage other dimension name of dimension code conversion a specific order can be encapsulated in a function with easy to use, as done the query object of select for multistage dimension observation analysis, also can be used as where condition and using for filtering the data extracting particular hierarchical.
Multistage other dimension name process of dimension code conversion a specific order can be distributed into char*getMLDimNmae (char*fldname, intIevel), wherein input parameter fldname is for transmitting the field name of multistage dimension, input parameter Ievel is for transmitting the target rank of switching, the rreturn value of function is the dimension name that fldname and Ievel is corresponding, if given fldname, Ievel search identification, then fixedly return " the unknown ".
The validity checking of encapsulation function input parameters:
1, fldname must be the field name of object table, and field is multistage dimension field
2, Ievel is an integer, is 1 as Ieve is less than 1 auto modification; As Ievel is greater than maximum level, then auto modification is maximum level.
Data summarization is carried out according to dimension name
Invention step, method according to dimension name carry out data summarization implementation process be exactly summarized results concentrate search dimension name, gather the process of calculating accordingly.Dimension name as corresponding in multistage dimension code in a record to be counted is cellular phone, then the numeric data item in this record just and in result set in a hurdle belonging to cellular phone accordingly data item do cumulative, complete gathering of data.
Data summarization is carried out in fact identical with the data summarization of simple dimension according to dimension name.
Multistage dimension level is shown and is switched selection
Showing at the multistage dimension level of invention step, method and switch selects implementation process exactly rank and combined data to be shown process on a user interface, presents compare with the statistical study of simple dimension, newly-increased:
1, current level is outstanding shows, optional rank all lists,
as Fig. 2shown in.
2, optional rank can respond mouse click event, and button highlights afterwards, revises the rank that default observation rank is oneself representative, and default display level button cancellation before highlights, and completes the switching of default observation rank prompting.
3, default observation rank triggers the inquiry of data to be analyzed after switching, statistics refreshing at interface analyzes
figuretable.
4, multistage dimension switching display completes.
Claims (8)
1. the classification of multistage dimension switching at runtime and the implementation method that gathers, is characterized in that, comprising:
(1) in analysis data to be counted, multistage dimension data item only preserves the coded data of maximum one-level;
(2) multistage dimension plays statistical study effect with one-level wherein;
(3) multistage dimension plays the rank dynamic switching of statistical study effect, immediately carries out data statistics and gather and refresh analysis diagram after switching.
2. method as claimed in claim 1, multistage dimension adopts prefix code mode, and rear stage coding is that additional code completes coding definition in previous stage basis of coding, comprising and expansion relation the comprising and expansion relation of response data strictly according to the facts of hierarchical coding; The descriptor of multidimensional coding is stored in coding definition with the form of character string, by KV inquiry, resolves and can extract the progression of multistage dimension and the code length information of viewing angle at different levels.
3. multistage dimension coding method as claimed in claim 1, the descriptor of multilevel coding is recorded in coding.
4. multistage dimension coding method as claimed in claim 1, multistage dimension coding adopts the storage of KV (Key-Value) and searches mode.
5. playing statistical study effect rank is as claimed in claim 1 the default observation rank of multistage dimension.
6. method as claimed in claim 1, interface the rank in optional multistage dimension can be carried out data statistics and gathers.
7. the classification of multistage dimension switching at runtime and the implementation method that gathers, its viewing angle handoff procedure is characterised in that and comprises the steps:
Step 1, extract the default observation rank of multistage dimension;
Step 2, ask code length n according to default observation rank;
In step 3, analysis data to be counted, multistage dimension coding gets a front n character;
Step 4, the key utilizing multistage dimension coding front n character generation KV to search;
Step 5, KV inquire about, and extract corresponding value and multistage dimension name;
Step 6, utilize dimension name carry out data statistics, gather.
8. method as claimed in claim 3, extracts the default observation rank of multistage dimension and carries out when query statement is resolved; Step 2, step 3, step 4 and step 5 can be encapsulated in a function or method, are processed by the rank of input parameter.
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