CN104462350A - Aggregation processing method and device for database texts - Google Patents
Aggregation processing method and device for database texts Download PDFInfo
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- CN104462350A CN104462350A CN201410738379.6A CN201410738379A CN104462350A CN 104462350 A CN104462350 A CN 104462350A CN 201410738379 A CN201410738379 A CN 201410738379A CN 104462350 A CN104462350 A CN 104462350A
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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
- G06F16/24554—Unary operations; Data partitioning operations
- G06F16/24556—Aggregation; Duplicate elimination
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Abstract
The invention discloses an aggregation processing method and device for database texts. The method is used for aggregating a plurality of source texts into a target text and comprises the following steps: determining databases to be processed, wherein the databases to be processed are databases needed to be subjected to text aggregation; determining data columns needed to be subjected to text aggregation in the databases to be processed; determining the source texts needed to be subjected to text aggregation in the data columns needed to be subjected to text aggregation; receiving an aggregation instruction, wherein the aggregation instruction is an instruction for indicating aggregation of the source texts; aggregating the source texts into the target text according to the aggregation instruction. Through the method, the problem of low text aggregation processing efficiency of databases in the prior art is solved.
Description
Technical field
The present invention relates to data processing field, in particular to a kind of database text aggregation processing method and device.
Background technology
In Database Systems, converging operation is absolutely necessary function.Many data " integration " are data by converging operation, such as superpose, average, counting etc.Wherein, have a kind of special converging operation, be referred to as text polymerization, text is polymerized to the polymerization many text datas being connected into a text.In the prior art, under many Database Systems, provide ready-made text aggregate function, but adopting Structured Query Language (SQL) system (the Structured Query Language Server of Structured Query Language (SQL), referred to as SQL Server) under, but do not provide text aggregate function, thus process in SQL Server text polymerization time very complicated, treatment effeciency is low.
For the prior art problem that text polymerization treatment effeciency is low in a database, at present effective solution is not yet proposed.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of database text aggregation processing method and device, to solve the prior art problem that text polymerization treatment effeciency is low in a database.
To achieve these goals, according to an aspect of the present invention, a kind of database text aggregation processing method is provided.
That database text aggregation processing method comprises according to the invention provides: method is used for multiple source text to be polymerized to target text, and the method comprises: determine pending database, and wherein, pending database is the database needing to carry out text polymerization; The data rows needing text to be polymerized is determined in pending database; The multiple source texts needing text to be polymerized are determined in the data rows of being polymerized needing text; Receive polymerization instruction, wherein, polymerization instruction is indicate the instruction be polymerized multiple source text; And according to polymerization instruction, multiple source text is polymerized to target text.
Further, according to polymerization instruction, multiple source text is polymerized to target text to comprise: the target text according to polymerization instruction, multiple source text being polymerized to text.
Further, according to polymerization instruction, the target text that multiple source text is polymerized to text is comprised: the target text according to polymerization instruction, multiple source text being polymerized to the first preset data type, wherein, the first preset data type is the default data type to target text during target text execution converging operation; And the target text for the first preset data type is converted to the target text of text.
Further, after according to polymerization instruction multiple source text being polymerized to target text, the method also comprises: be the second preset data type by the data type conversion of target text, and wherein, the second preset data type is binary data type; Receive and send instruction, wherein, sending instruction is be used to indicate the instruction sending target text; And according to transmission instruction, the target text of the second preset data type is sent to targeted customer.
Further, after according to transmission instruction the target text for preset data type being sent to targeted customer, the method also comprises: client obtains the target text of the second preset data type; And the target text of the second preset data type is converted to the target text of text by client.
Further, after determining the source text needing text to be polymerized in the data rows of being polymerized needing text, before acquisition polymerization instruction, the method also comprises: obtain the source text determining in the data rows needing text to be polymerized to need text to be polymerized; Respectively at head or the tail interpolation separator of source text, added the source text of separator, separator is the symbol for separating source text; And be the second preset data type by the data type conversion of adding the source text of separator, wherein, the second preset data type is binary data type.
To achieve these goals, according to another aspect of the present invention, a kind of database text polymerization processing apparatus is provided.
Be that database text polymerization processing apparatus comprises: the first determining unit according to the invention provides, for determining pending database, wherein, pending database is the database needing to carry out text polymerization; Second determining unit, for determining the data rows needing text to be polymerized in pending database; 3rd determining unit, for determining the multiple source texts needing text to be polymerized in the data rows needing text to be polymerized; Receiving element, for receiving polymerization instruction, wherein, polymerization instruction is indicate the instruction be polymerized multiple source text; And polymerized unit, for being polymerized instruction, multiple source text is polymerized to target text.
Further, polymerized unit comprises: the first aggregation module, for multiple source text being polymerized to according to polymerization instruction the target text of text.
Further, this first aggregation module comprises: the second polymerization submodule, for multiple source text being polymerized to according to polymerization instruction the target text of the first preset data type, wherein, the first preset data type is the default data type to target text during target text execution converging operation; And first transform subblock, for the target text for the first preset data type being converted to the target text of text.
Further, this device also comprises: the second modular converter, and for being the second preset data type by the data type conversion of target text, wherein, the second preset data type is binary data type; Receiver module, for receiving transmission instruction, wherein, sending instruction is be used to indicate the instruction sending target text; And sending module, for the target text of the second preset data type being sent to targeted customer according to transmission instruction.
For above-mentioned database text aggregation processing method, by determining pending database, wherein, pending database is the database needing to carry out text polymerization; The data rows needing text to be polymerized is determined in pending database; The multiple source texts needing text to be polymerized are determined in the data rows of being polymerized needing text; Receive polymerization instruction, wherein, polymerization instruction is indicate the instruction be polymerized multiple source text; According to polymerization instruction, multiple source text is polymerized to target text.By the present invention, solve the problem that in prior art, text polymerization treatment effeciency is low in a database, effectively improve database Chinese version polymerization treatment effeciency.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the process flow diagram of the database text aggregation processing method according to the embodiment of the present invention; And
Fig. 2 is the schematic diagram of the database text polymerization processing apparatus according to the embodiment of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The application's scheme is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the embodiment of the application's part, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
It should be noted that, term " first ", " second " etc. in the instructions of the application and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged, in the appropriate case so that the embodiment of the application described herein.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
Fig. 1 is the process flow diagram of the database text aggregation processing method according to the embodiment of the present invention.The method is used for multiple source text to be polymerized to target text, and as shown in Figure 1, the method comprises following step S101 to step S102:
Step S101, determines pending database.
Determine pending database, wherein, pending database is the database needing to carry out text polymerization.In the present invention, pending database is preferably SQL Server database.
Step S102, determines the data rows needing text to be polymerized in pending database.
The data rows needing text to be polymerized is determined in pending database.Namely in SQL Server database, determine the data rows needing text to be polymerized.
In the database text aggregation processing method that the embodiment of the present invention provides, after determining the source text needing text to be polymerized in the data rows of being polymerized needing text, before acquisition polymerization instruction, the method also comprises: obtain the source text determining in the data rows needing text to be polymerized to need text to be polymerized; Obtain separator, wherein, separator is the symbol for separating source text; Respectively at head or the tail interpolation separator of source text; Obtain the source text having added separator; And be the second preset data type by the data type conversion of adding the source text of separator, wherein, the second preset data type is binary data type.
Such as, in SQL Server database, determine that the specific code of the data rows needing text to be polymerized is:
SELECT
hlr_out.LabelType
convert(nvarchar(max),(SELECT convert(varbinary(max),[Text]+’|’)FROM[$(OldDatabase)].dbo.HtmlLabelResources hlr
WHERE hlr.LabelType＝hlr_out.LabelType
For XML Path(″),root('MyString'),type).value('/MyString[1]','varbinary(max)'))LabelText
FROM[$(OldDatabase)].[dbo].[HtmlLabelResources]hlr_out
GROUP BY hlr_out.LabelType
Wherein, Text is urtext, and Hlr_out.InternalPageId is the row of polymerization institute foundation.
One has been added after Text | character, as separator, after being stitched together like this, can have between each Text text | and split, after being convenient to text polymerization, check each urtext more easily.
Step S103, determines the multiple source texts needing text to be polymerized in the data rows of being polymerized needing text.
The multiple source texts needing text to be polymerized are determined in the data rows of being polymerized needing text.
Example described above, determines that the data needing text to be polymerized are classified as Hlr_out.InternalPageId in SQL Server database, and the source text that data are classified as in Hlr_out.InternalPageId needs text to be polymerized is text.
Step S104, receives polymerization instruction.
Receive polymerization instruction, wherein, polymerization instruction is indicate the instruction be polymerized multiple source text.
It should be noted that, above-mentioned polymerization instruction, can be the polymerization instruction receiving outside input, also can be the polymerization instruction for performing converging operation that receiving system generates automatically according to previous action.
Step S105, is polymerized to target text according to polymerization instruction by multiple source text.
According to polymerization instruction, multiple source text is polymerized to target text.
Preferably, according to polymerization instruction, multiple source text is polymerized to target text to comprise: the target text according to polymerization instruction, multiple source text being polymerized to text.
Particularly, according to polymerization instruction, the target text that multiple source text is polymerized to text is comprised: the target text according to polymerization instruction, multiple source text being polymerized to the first preset data type, wherein, the first preset data type is the default data type to target text during target text execution converging operation; And the target text of the first preset data type is converted to the target text of text.
Preferably, in the database text aggregation processing method that the embodiment of the present invention provides, the first preset data type is Xml data type.
It should be noted that, the first preset data type is Xml data type, according to polymerization instruction, multiple source text is polymerized to Xml data type.By multiple source text is converted to Xml data type, namely achieve the object of being polymerized by multiple source text in SQL Server database.
In the database text aggregation processing method that the embodiment of the present invention provides, the method also comprises: be the second preset data type by the data type conversion of target text, and wherein, the second preset data type is binary data type; Receive and send instruction, wherein, sending instruction is be used to indicate the instruction sending target text; And according to transmission instruction, the target text of the second preset data type is sent to targeted customer.
Preferably, in the database text aggregation processing method that the embodiment of the present invention provides, the second preset data type is varbinary data type.
It should be noted that, the second preset data type is varbinary data type, and mess code may be had in target text to exist, and by being varbinary data type by the data type conversion of target text, solves the Confused-code existed in target text.
The database text aggregation processing method that the embodiment of the present invention provides also comprises: after according to transmission instruction the target text for preset data type being sent to targeted customer, the method also comprises: the target text obtaining the second preset data type; And the target text of the second preset data type is converted to the target text of text.
Preferably, in the database text aggregation processing method that the embodiment of the present invention provides, text is nvarchar type.
Such as, the specific code multiple source text being polymerized to target text according to polymerization instruction in SQL Server database is:
Convert(nvarchar(max)),(select Convert(varbinary(max),(Text)+’|’)from[$(oldDatabase)]dbo htmlabelrources hlr
Where hlr labelType＝hlr_out.labelType
For XML Path(”),root(’Mystring’),type).value(‘/MyString[1]’,’varbinary(max)’))LabelText
It should be noted that: the specific code being converted to text from varbinary data type is Convert (nvarchar (max));
The specific code being converted to varbinary data type is Convert (varbinary (max), (Text)+' | ');
The specific code being converted to XML type is For XML Path (");
The specific code of destination address is sent to for value ('/MyString [1] ', ' varbinary (max) ')) with varbinary form.
By above step, effectively improve at SQL Server database Chinese version polymerization treatment effeciency.
A kind of database text aggregation processing method that the embodiment of the present invention provides, by determining pending database, wherein, pending database is the database needing to carry out text polymerization; The data rows needing text to be polymerized is determined in pending database; The multiple source texts needing text to be polymerized are determined in the data rows of being polymerized needing text; Receive polymerization instruction, wherein, polymerization instruction is indicate the instruction be polymerized multiple source text; According to polymerization instruction, multiple source text is polymerized to target text.By the present invention, solve the problem that in prior art, text polymerization treatment effeciency is low in a database, effectively improve database Chinese version polymerization treatment effeciency.
It should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the process flow diagram of accompanying drawing, and, although show logical order in flow charts, but in some cases, can be different from the step shown or described by order execution herein.
The embodiment of the present invention additionally provides a kind of database text polymerization processing apparatus, it should be noted that, the database text polymerization processing apparatus of the embodiment of the present invention may be used for performing that the embodiment of the present invention provides for database text aggregation processing method.Below the database text polymerization processing apparatus that the embodiment of the present invention provides is introduced.
Fig. 2 is the schematic diagram of database text polymerization processing apparatus according to an embodiment of the invention.This device is used for multiple source text to be polymerized to target text, and as shown in Figure 2, this device comprises: the first determining unit 10, second determining unit 20, the 3rd determining unit 30, receiving element 40 and polymerized unit 50.
First determining unit 10, for determining pending database, wherein, pending database is the database needing to carry out text polymerization.
Second determining unit 20, for determining the data rows needing text to be polymerized in pending database.
3rd determining unit 30, for determining the multiple source texts needing text to be polymerized in the data rows needing text to be polymerized.
Receiving element 40, for receiving polymerization instruction, wherein, polymerization instruction is indicate the instruction be polymerized multiple source text.
Polymerized unit 50, is polymerized to target text for being polymerized instruction by multiple source text.
This polymerized unit also comprises: the first aggregation module, for multiple source text being polymerized to according to polymerization instruction the target text of text.
Particularly, this first aggregation module comprises: the second polymerization submodule, for multiple source text being polymerized to according to polymerization instruction the target text of the first preset data type, wherein, the first preset data type is the default data type to target text during target text execution converging operation; And first transform subblock, for the target text for the first preset data type being converted to the target text of text.
A kind of database text aggregation processing method that the embodiment of the present invention provides, determines pending database by the first determining unit 10, and wherein, pending database is the database needing to carry out text polymerization; Second determining unit 20 determines the data rows needing text to be polymerized in pending database; 3rd determining unit 30 determines the multiple source texts needing text to be polymerized in the data rows needing text to be polymerized; Receiving element 40 receives polymerization instruction, and wherein, polymerization instruction is indicate the instruction be polymerized multiple source text; And multiple source text is polymerized to target text for being polymerized instruction by polymerized unit 50.By the present invention, solve the problem that in prior art, text polymerization treatment effeciency is low in a database, effectively improve database Chinese version polymerization treatment effeciency.
Preferably, in the database text polymerization processing apparatus that the embodiment of the present invention provides, this device also comprises: the second modular converter, for being the second preset data type by the data type conversion of target text, wherein, the second preset data type is binary data type; Receiver module, for receiving transmission instruction, wherein, sending instruction is be used to indicate the instruction sending target text; And sending module, for the target text of the second preset data type being sent to targeted customer according to transmission instruction.
Preferably, in the database text polymerization processing apparatus that the embodiment of the present invention provides, this device also comprises: the first acquisition module, for obtaining the target text of the second preset data type; And the 3rd modular converter, for the target text of the second preset data type being converted to the target text of text.
Preferably, in the database text polymerization processing apparatus that the embodiment of the present invention provides, this device also comprises: the second acquisition module, for obtain need text to be polymerized data rows in determine the source text that needs text to be polymerized; Add module, for head or tail interpolation separator respectively at source text, added the source text of separator, separator is the symbol for separating source text; And the 4th modular converter, the data type conversion for the source text by adding separator is the second preset data type, and wherein, the second preset data type is binary data type.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a database text aggregation processing method, is characterized in that, described method is used for multiple source text to be polymerized to target text, and described method comprises:
Determine pending database, wherein, described pending database is the database needing to carry out text polymerization;
The data rows needing text to be polymerized is determined in described pending database;
The multiple source texts needing text to be polymerized are determined in the described data rows needing text to be polymerized;
Receive polymerization instruction, wherein, described polymerization instruction is indicate the instruction be polymerized described multiple source text; And
According to described polymerization instruction, described multiple source text is polymerized to target text.
2. method according to claim 1, is characterized in that, according to described polymerization instruction, described multiple source text is polymerized to target text and comprises:
According to described polymerization instruction, described multiple source text is polymerized to the target text of text.
3. method according to claim 1, is characterized in that, is comprised by the target text that described multiple source text is polymerized to text according to described polymerization instruction:
According to described polymerization instruction, described multiple source text is polymerized to the target text of the first preset data type, wherein, described first preset data type is the default data type to described target text during described target text execution converging operation; And
By the described target text being the target text of the first preset data type and being converted to text.
4. method according to claim 1, is characterized in that, after according to described polymerization instruction described multiple source text being polymerized to target text, described method also comprises:
Be the second preset data type by the data type conversion of described target text, wherein, described second preset data type is binary data type;
Receive and send instruction, wherein, described transmission instruction is be used to indicate the instruction sending described target text; And
According to described transmission instruction, the described target text of described second preset data type is sent to targeted customer.
5. method according to claim 3, is characterized in that, after according to described transmission instruction the described target text for described preset data type being sent to targeted customer, described method also comprises:
Client obtains the target text of described second preset data type; And
The target text of described second preset data type is converted to the described target text of text by client.
6. method according to claim 1, is characterized in that, determine the source text needing text to be polymerized in the described data rows needing text to be polymerized after, before acquisition polymerization instruction, described method also comprises:
Obtain the source text determining in the described data rows needing text to be polymerized to need text to be polymerized;
Respectively at head or the tail interpolation separator of described source text, added the source text of separator, described separator is the symbol for separating described source text; And
Be the second preset data type by described data type conversion of having added the source text of separator, wherein, described second preset data type is binary data type.
7. a database text polymerization processing apparatus, is characterized in that, described device is used for multiple source text to be polymerized to target text, and described device comprises:
First determining unit, for determining pending database, wherein, described pending database is the database needing to carry out text polymerization;
Second determining unit, for the data rows determining to need text to be polymerized in described pending database;
3rd determining unit, for the multiple source texts determining to need text to be polymerized in the described data rows needing text to be polymerized;
Receiving element, for receiving polymerization instruction, wherein, described polymerization instruction is indicate the instruction be polymerized described multiple source text; And
Polymerized unit, is polymerized to target text for described polymerization instruction by described multiple source text.
8. device according to claim 6, is characterized in that, described polymerized unit comprises:
First aggregation module, for being polymerized to the target text of text by described multiple source text according to described polymerization instruction.
9. device according to claim 8, is characterized in that, described first aggregation module comprises:
Second polymerization submodule, for described multiple source text being polymerized to according to described polymerization instruction the target text of the first preset data type, wherein, described first preset data type is the default data type to described target text during described target text execution converging operation; And
First transform subblock, for by the described target text being the target text of the first preset data type and being converted to text.
10. device according to claim 6, is characterized in that, described device also comprises:
Second modular converter, for being the second preset data type by the data type conversion of described target text, wherein, described second preset data type is binary data type;
Receiver module, for receiving transmission instruction, wherein, described transmission instruction is be used to indicate the instruction sending described target text; And
Sending module, for being sent to targeted customer according to described transmission instruction by the described target text of described second preset data type.
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| CN105007317A (en) * | 2015-07-10 | 2015-10-28 | 深圳市创梦天地科技有限公司 | Data processing method for distributed nodes, and gateway equipment |
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Application publication date: 20150325 |