CN104217011B - The querying method and device of HBase secondary index tables - Google Patents
The querying method and device of HBase secondary index tables Download PDFInfo
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- CN104217011B CN104217011B CN201410483879.XA CN201410483879A CN104217011B CN 104217011 B CN104217011 B CN 104217011B CN 201410483879 A CN201410483879 A CN 201410483879A CN 104217011 B CN104217011 B CN 104217011B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000003780 insertion Methods 0.000 claims abstract description 21
- 230000037431 insertion Effects 0.000 claims abstract description 21
- 238000012217 deletion Methods 0.000 claims abstract description 20
- 230000037430 deletion Effects 0.000 claims abstract description 20
- 230000000875 corresponding effect Effects 0.000 claims description 86
- 230000006870 function Effects 0.000 claims description 44
- 230000001360 synchronised effect Effects 0.000 claims description 15
- 238000005538 encapsulation Methods 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/30—Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
- G06F16/33—Querying
- G06F16/3331—Query processing
- G06F16/334—Query execution
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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
- G06F16/30—Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
- G06F16/31—Indexing; Data structures therefor; Storage structures
- G06F16/316—Indexing structures
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Abstract
The invention provides a kind of querying method and device of HBase secondary indexs table, including：Judge whether HBase sources table has corresponding secondary index table, property value in the row of HBase table is inquired about by secondary index table；If not provided, corresponding Rowkey in row race information, column information, Column Properties value and HBase sources table in the table of HBase sources, create secondary index table corresponding with HBase sources table, and synchronously the data of HBase sources table into corresponding secondary index table；If so, the insertion data manipulation of synchronization HBase sources table or deletion data operation are into corresponding secondary index table.The present invention can realize all record informations in quick search Column Properties value by secondary index table, reach the purpose of high efficiency inquiry.
Description
Technical field
The present invention relates to technical field of data processing, more particularly to a kind of querying method and dress of HBase secondary indexs table
Put.
Background technology
In the epoch developed in data high-speed, distributed system becomes critically important role.The background developed in big data
Under, distributed type assemblies, distributed data base, distributed file system all turns into by focus of concern.Become in this power
Under gesture, Hadoop clusters turn into more ripe distributed system.Distributed data base HBase in the Hadoop ecosystems
Constantly improve, HBase is different from traditional database, and it is one and is applied to the database that unstructured data is stored, and has
High scalability, row storage, it is scalable, the characteristics of big data can be read and write in real time, therefore used by many major companies, HBase foundations
The sweetly disposition for having good ease for use and key assignments is widely welcome.
In the inquiry of HBase table, HBase mainly is inquired about by Rowkey, while can also needs when
Wait and filtered out the information that specifically arranges using filter to meet the demand of user, but HBase is not provided with basis
Certain property value quick search arranged goes out the function of eligible record in row race.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of querying method and device of HBase secondary indexs table,
All record informations in certain Column Properties value in quick search HBase table can be realized, so as to improve search efficiency.
In order to reach the object of the invention, the invention provides a kind of querying method of HBase secondary indexs table, including：Sentence
Whether disconnected HBase sources table has corresponding secondary index table, and property value in the row of HBase table is inquired about by secondary index table；If
No, in the table of HBase sources corresponding Rowkey in row race information, column information, Column Properties value and HBase sources table, is created
Secondary index table corresponding with HBase sources table, and synchronous HBase sources table data into corresponding secondary index table；If so,
The insertion data manipulation of synchronous HBase sources table or deletion data operation are into corresponding secondary index table.
Further, property value in the row of HBase table is inquired about by the secondary index table, including：Pass through secondary index
Whole records of property value in the row of table inquiry HBase table.
Further, in the table of HBase sources it is corresponding in row race information, column information, Column Properties value and HBase sources table
Rowkey, creates corresponding with HBase sources table secondary index table, and synchronously the data of HBase sources table to corresponding secondary index
In table, including：Corresponding Rowkey in row race information, column information, Column Properties value and HBase sources table in the table of HBase sources,
Using revertrow functions and the Rowkey and property value of the corresponding secondary index table of Map function creation HBase sources table, and together
The data of HBase sources table are walked into the Rowkey and property value of corresponding secondary index table.
Further, in the table of HBase sources it is corresponding in row race information, column information, Column Properties value and HBase sources table
Rowkey, creates corresponding with HBase sources table secondary index table, and synchronously the data of HBase sources table to corresponding secondary index
In table, including：Using revertrow functions, row race information, column information, Column Properties value and HBase in the table of HBase sources
Corresponding Rowkey in the table of source, sets the Rowkey of secondary index table；Using Map functions, according to
ImmutableBytesWritable key parameters and Result value parameters, extract Rowkey in the table of HBase sources and
Value values, travel through the Rowkey in the corresponding secondary index table of each KeyValue acquisitions, and according to the Rowkey of HBase sources table
The property value of secondary index table is set with Column Properties value；Revertrow functions are called in Map functions, by revertrow functions
Return value Rowkey preserve, and be the newly-built corresponding category of Put objects addition according to the newly-built Put objects of return value Rowkey
Property value；ImmutableBytesWritable object encapsulations are used, result is stored with Context.write.
Further, the insertion data manipulation of synchronous HBase sources table or deletion data operation are to corresponding secondary index table
In, including：Increase the parameter of the title of the corresponding secondary index table of HBase sources table in Put functions or Delete functions；Right
When HBase sources table carries out insertion data manipulation or deletion data operation, extract insertion or delete the Rowkey and value of data
Value, Rowkey the and Value values of secondary index table are set according to Rowkey the and Value values of extraction；According to HBase sources table correspondence
Secondary index table title parameter, by Rowkey the and Value values of the secondary index table of setting carry out insertion operation or
Deletion action.
A kind of inquiry unit of HBase secondary indexs table, including：Judge module, for judging whether HBase sources table has pair
The secondary index table answered, property value in the row of HBase table is inquired about by the secondary index table；Creation module, for basis
Corresponding Rowkey in row race information, column information, Column Properties value and HBase sources table in the table of HBase sources, is created and HBase sources
The corresponding secondary index table of table；Synchronization module, the data for synchronous HBase sources table are into corresponding secondary index table；It is synchronous
The insertion data manipulation of HBase sources table or deletion data operation are into corresponding secondary index table.
Compared with prior art, the present invention includes：Judge whether HBase sources table has corresponding secondary index table, pass through two
Property value in the row of level concordance list inquiry HBase table；If not provided, row race information, column information, row in the table of HBase sources
Corresponding Rowkey in property value and HBase sources table, creates secondary index table corresponding with HBase sources table, and synchronous HBase sources
The data of table are into corresponding secondary index table；If so, insertion data manipulation or the deletion data operation of synchronization HBase sources table
Into corresponding secondary index table.Present invention establishment secondary index table corresponding with HBase sources table, and synchronous HBase sources table
Data can realize all notes in quick search Column Properties value into corresponding secondary index table by the secondary index table
Information is recorded, the purpose of high efficiency inquiry is reached.
Brief description of the drawings
Fig. 1 is the configuration diagram that the present invention is inquired about based on HBase secondary indexs table.
Fig. 2 is the schematic flow sheet of the querying method of HBase secondary indexs table of the present invention.
Fig. 3 is the structural representation of the inquiry unit of HBase secondary indexs table of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.By description detailed enough, these implementations are shown
Example so that those skilled in the art can put into practice the present invention.Without departing from the spirit and scope in the present invention, can be right
Implement to make logic, realization and other changes.
In the present invention, it is necessary to dispose distributed type assemblies environment, for example, the distributed type assemblies environment is that have 3 nodes, often
The configuration of individual node is 96G internal memories, 12 core, and hard disk is 12*1T.
Fig. 1 is the configuration diagram that the present invention is inquired about based on HBase secondary indexs table.HBase is set up in HBase clients
Source table, User Table, also set up corresponding secondary index table, as illustrated in the drawing Index accordingly as illustrated in the drawing
In Table, wherein secondary index table Rowkey be row race information in the table of HBase sources, column information, Column Properties value and
Corresponding Rowkey is constituted in the table of HBase sources, and corresponding property value is Rowkey and row in the table of HBase sources in secondary index table
What property value was constituted.
Fig. 2 is the schematic flow sheet of the querying method of HBase secondary indexs table of the present invention, as shown in Fig. 2 can specifically wrap
Include：
Step 21, judge whether HBase sources table has corresponding secondary index table, if not provided, into step 22；If
Have, into step 23.
In this step, HBase clients judge whether HBase sources table has corresponding secondary index table, the secondary index
The function of table is whole records of property value in the row for can realize quick search HBase table, according to the height of Distributed Architecture
Parallel performance has good time efficiency when to secondary index table handling, and corresponding two grades of ropes are set up according to HBase sources table
Draw table, the operation for checking the property value for meeting a certain row can be caused quickly to realize and the performance of inquiry can be improved.
Step 22, it is corresponding in row race information, column information, Column Properties value and HBase sources table in the table of HBase sources
Rowkey, creates corresponding with HBase sources table secondary index table, and synchronously the data of HBase sources table to corresponding secondary index
In table, into step 23.
In this step, in the table of HBase sources correspondence in row race information, column information, Column Properties value and HBase sources table
Rowkey, utilize revertrow functions and the Rowkey and category of the corresponding secondary index table of Map function creation HBase sources table
Property value, and synchronous HBase sources table data into the Rowkey and property value of corresponding secondary index table.
Specifically, using revertrow functions, row race information, column information, Column Properties value in the table of HBase sources and
Corresponding Rowkey in the table of HBase sources, sets the Rowkey of secondary index table.
Using Map functions, according to ImmutableBytesWritable key parameters and Result value parameters, extract
Rowkey and value values in the table of HBase sources, travel through the Rowkey in the corresponding secondary index table of each KeyValue acquisitions, and
The property value of secondary index table is set according to the Rowkey of HBase sources table and Column Properties value.
Revertrow functions are called in Map functions, the return value Rowkey of revertrow functions is preserved, and according to
The newly-built Put objects of return value Rowkey, corresponding property value is added for the newly-built Put objects, and the property value is to extract
The Rowkey of HBase sources table and the combination of Column Properties value.ImmutableBytesWritable object encapsulations are used, are used
Context.write stores result.
Rowkey is row race information, column information, Column Properties value and HBase in the table of HBase sources in secondary index table
Corresponding Rowkey is constituted in the table of source, and corresponding property value is Rowkey and Column Properties in the table of HBase sources in secondary index table
Value constitute, such structure can ensure that operation can be quick when inquiry meets the record of certain Column Properties value in the table of HBase sources
Realize and the performance of inquiry can be improved, and the data in secondary index table and HBase sources table uniformity can be ensured.
Step 23, if being inserted (Put) data manipulation to HBase sources table or deleting (Delete) data manipulation, together
The insertion data manipulation of step HBase sources table or deletion data operation are into corresponding secondary index table.
In this step, after secondary index table corresponding with synchronization HBase sources table is created, may have to HBase sources table
The operation of data is inserted or is deleted, therefore, when carrying out insertion data manipulation or deletion data operation to HBase sources table,
Need to insert or delete the data in corresponding secondary index table according to Put functions or Delete functions.
Specifically, the ginseng of the title of the corresponding secondary index table of HBase sources table is increased in Put functions or Delete functions
Number.When carrying out insertion data manipulation or deletion data operation to HBase sources table, extract the insertion or delete the Rowkey of data
And value values, Rowkey the and Value values of secondary index table are set according to Rowkey the and Value values of extraction.According to HBase
The parameter of the title of the corresponding secondary index table of source table, Rowkey the and Value values of the secondary index table of setting are inserted
Operation or deletion action.So, it is ensured that data and HBase sources table uniformity in secondary index table.
The present invention creates corresponding with HBase sources table secondary index table, and synchronously the data of HBase sources table to corresponding two
In level concordance list, all record informations in quick search Column Properties value can be realized by the secondary index table, height is reached
The purpose of Efficiency Inquiry.
Fig. 3 is the structural representation of the inquiry unit of HBase secondary indexs table of the present invention, as shown in figure 3, can specifically wrap
Include：
Judge module, for judging whether HBase sources table has corresponding secondary index table；
Creation module, for right in the row race information in the table of HBase sources, column information, Column Properties value and HBase sources table
The Rowkey answered, creates secondary index table corresponding with HBase sources table；
Synchronization module, the data for synchronous HBase sources table are into corresponding secondary index table；Synchronous HBase sources table
Data manipulation or deletion data operation are inserted into corresponding secondary index table.
The inquiry unit of HBase secondary index tables be it is corresponding with the querying method of HBase secondary index tables, therefore,
The inquiry unit concrete implementation details of HBase secondary index tables can referring to HBase secondary index tables querying method, herein
Do not repeat.
The present invention creates secondary index table corresponding with synchronization HBase sources table, can be realized soon by the secondary index watch
All record informations in certain Column Properties value are ask in quick checking, reach the purpose of high efficiency inquiry.
It should be understood that, although this specification is been described by according to embodiment, but not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art will should say
Bright book is as an entirety, and the technical scheme in each embodiment may also be suitably combined to form those skilled in the art can
With the other embodiment of understanding.
Those listed above is a series of to be described in detail only for feasibility embodiment of the invention specifically
Bright, they are not intended to limit protection scope of the present invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should be included in the scope of the protection.
Claims (6)
1. a kind of querying method of HBase secondary indexs table, it is characterised in that including：
Judge whether HBase sources table has corresponding secondary index table, belong in the row that HBase table is inquired about by the secondary index table
Property value；
If not provided, corresponding in row race information, column information, Column Properties value and HBase sources table in the table of HBase sources
Rowkey, utilizes revertrow functions and the Rowkey and attribute of the corresponding secondary index table of Map function creation HBase sources table
Value, and synchronous HBase sources table data into the Rowkey and property value of corresponding secondary index table；
If so, the insertion data manipulation of synchronization HBase sources table or deletion data operation are into corresponding secondary index table；
Wherein, it is corresponding in row race information, column information, Column Properties value and the HBase sources table in the table according to HBase sources
Rowkey, utilizes revertrow functions and the Rowkey and attribute of the corresponding secondary index table of Map function creation HBase sources table
Value, and synchronous HBase sources table data into the Rowkey and property value of corresponding secondary index table, including：
Using revertrow functions, in the row race information, column information, Column Properties value and HBase sources table in the table of HBase sources
Corresponding Rowkey, sets the Rowkey of secondary index table；
Using Map functions, according to ImmutableBytesWritable key parameters and Result value parameters, extract
Rowkey and value values in the table of HBase sources, travel through the Rowkey in the corresponding secondary index table of each KeyValue acquisitions, and
The property value of secondary index table is set according to the Rowkey of HBase sources table and Column Properties value；
Revertrow functions are called in Map functions, the return value Rowkey of revertrow functions is preserved, and according to return
The newly-built Put objects of value Rowkey, are that newly-built Put objects add corresponding property value；
ImmutableBytesWritable object encapsulations are used, result is stored with Context.write.
2. the querying method of HBase secondary indexs table according to claim 1, it is characterised in that described to pass through described two
Property value in the row of level concordance list inquiry HBase table, including：
Whole records of property value in the row of HBase table are inquired about by the secondary index table.
3. the querying method of HBase secondary indexs table according to claim 1, it is characterised in that the synchronous HBase sources
The insertion data manipulation of table or deletion data operation into corresponding secondary index table, including：
Increase the parameter of the title of the corresponding secondary index table of HBase sources table in Put functions or Delete functions；
When carrying out insertion data manipulation or deletion data operation to HBase sources table, extract insertion or delete the Rowkey of data
And value values, Rowkey the and Value values of secondary index table are set according to Rowkey the and Value values of extraction；
According to the parameter of the title of the corresponding secondary index table of HBase sources table, by the Rowkey of the secondary index table of setting and
Value values carry out insertion operation or deletion action.
4. a kind of inquiry unit of HBase secondary indexs table, it is characterised in that including：
Judge module, for judging whether HBase sources table has corresponding secondary index table, is inquired about by the secondary index table
Property value in the row of HBase table；
Creation module, for corresponding in the row race information in the table of HBase sources, column information, Column Properties value and HBase sources table
Rowkey, utilizes revertrow functions and the Rowkey and attribute of the corresponding secondary index table of Map function creation HBase sources table
Value；
Wherein, in the creation module, the row race information, column information, Column Properties value and HBase sources table in the table of HBase sources
Corresponding Rowkey, utilizes revertrow functions and the Rowkey of the corresponding secondary index table of Map function creation HBase sources table
Refer to property value：Using revertrow functions, row race information, column information, Column Properties value and HBase in the table of HBase sources
Corresponding Rowkey in the table of source, sets the Rowkey of secondary index table；Using Map functions, according to
ImmutableBytesWritable key parameters and Result value parameters, extract Rowkey in the table of HBase sources and
Value values, travel through the Rowkey in the corresponding secondary index table of each KeyValue acquisitions, and according to the Rowkey of HBase sources table
The property value of secondary index table is set with Column Properties value；Revertrow functions are called in Map functions, by revertrow functions
Return value Rowkey preserve, and be the newly-built corresponding category of Put objects addition according to the newly-built Put objects of return value Rowkey
Property value；ImmutableBytesWritable object encapsulations are used, result is stored with Context.write；
Synchronization module, the data for synchronous HBase sources table are into corresponding secondary index table；The insertion of synchronous HBase sources table
Data manipulation or deletion data operation are into corresponding secondary index table.
5. the inquiry unit of HBase secondary indexs table according to claim 4, it is characterised in that the judge module tool
Body is used for：Whole records of property value in the row of HBase table are inquired about by the secondary index table.
6. the inquiry unit of HBase secondary indexs table according to claim 5, it is characterised in that the synchronization module is same
The insertion data manipulation of step HBase sources table or deletion data operation are specially into corresponding secondary index table：In Put functions
Or increase the parameter of the title of the corresponding secondary index table of HBase sources table in Delete functions；Inserted to HBase sources table
When data manipulation or deletion data operation, extract insertion or delete Rowkey the and value values of data, according to the Rowkey of extraction
And Value values set Rowkey the and Value values of secondary index table；According to the title of the corresponding secondary index table of HBase sources table
Parameter, Rowkey the and Value values of the secondary index table of setting are subjected to insertion operation or deletion action.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104834688B (en) * | 2015-04-20 | 2019-10-08 | 北京奇艺世纪科技有限公司 | A kind of secondary index method for building up and device |
| CN105069151A (en) * | 2015-08-24 | 2015-11-18 | 用友网络科技股份有限公司 | HBase secondary index construction apparatus and method |
| CN105426437A (en) * | 2015-11-05 | 2016-03-23 | 西安翔迅科技有限责任公司 | HBase-based storage method of intelligent transportation field checkpost data |
| CN106383860A (en) * | 2016-08-31 | 2017-02-08 | 无锡雅座在线科技发展有限公司 | Data query method and apparatus |
| CN106503243B (en) * | 2016-11-08 | 2019-08-06 | 国网山东省电力公司电力科学研究院 | Electric power big data querying method based on HBase secondary index |
| CN108667929A (en) * | 2018-05-08 | 2018-10-16 | 浪潮软件集团有限公司 | Method for synchronizing data to elastic search based on HBase coprocessor |
| CN109063186A (en) * | 2018-08-27 | 2018-12-21 | 郑州云海信息技术有限公司 | A kind of General query method and relevant apparatus |
| CN110659328B (en) * | 2019-08-30 | 2022-04-29 | 中国人民财产保险股份有限公司 | Data query method, device, equipment and computer readable storage medium |
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