CN108052557A - The method and system of GIS grid graph datas access full-service data center - Google Patents

The method and system of GIS grid graph datas access full-service data center Download PDF

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Publication number
CN108052557A
CN108052557A CN201711237445.1A CN201711237445A CN108052557A CN 108052557 A CN108052557 A CN 108052557A CN 201711237445 A CN201711237445 A CN 201711237445A CN 108052557 A CN108052557 A CN 108052557A
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CN108052557B (en
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邢宏伟
赵连睿
王刚
邓贞翔
董艺
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Shandong Luruan Digital Technology Co Ltd
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Shandong Luneng Software Technology Co Ltd
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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
    • G06F16/22—Indexing; Data structures therefor; Storage structures
    • G06F16/2282—Tablespace storage structures; Management thereof
    • 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
    • G06F16/25—Integrating or interfacing systems involving database management systems
    • G06F16/254—Extract, transform and load [ETL] procedures, e.g. ETL data flows in data warehouses
    • 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
    • G06F16/29—Geographical information databases
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Electricity, gas or water supply

Abstract

The invention discloses the method and system of GIS grid graph datas access full-service data center, connect source oracle database according to configuration file, the table name of all tables is then read from source oracle database；The metadata information of every table is read according to table name；It is SHAPE to include the corresponding field name of MDSYS.SDO_GEOMETRY field types in the table of grid graph data according to acquired metadata information confirmation；SHAPE, including seven sub- field names；Create full-service data center analysis domain object table：All row in every acquired table of traversal, seven sub- field names corresponding in MDSYS.SDO_GEOMETRY types are converted to the field name of target client database mysql, remaining field name and the source oracle database field name of mysql are consistent；Concurrently perform persistence architecture loading tasks.

Description

The method and system of GIS grid graph datas access full-service data center
Technical field
The present invention relates to the method and system of GIS grid graph datas access full-service data center.
Background technology
Generalized information system (GIS-Geographic Information System, Geographic Information System or Geo-Information System, GIS) as Guo Wang companies core business system, generalized information system data full dose need to be completed and be copied to full-service data center Analysis domain.The common several data access of generalized information system data access include：Data pick-up ETL instruments (kettle/ Informatica/sqoop), data Replication Tools (OGG) etc..
Shortcoming：ORACLE space fields (SDO_GROMETRY) are stored in for the grid graph data in generalized information system In, which takes the technology for decomposing storage, i.e. a geographical space is decomposed into several objects.Due to full-service data Database component selected by center analysis domain can not be directly to source system ORACLE database MDSYS.SDO_GEOMETRY classes The field of type is stored, and can not realize being directly accessed for grid graph data, need to carry out conversion process, but ETL programs are opened Send out cumbersome, data switching logic is complicated, inefficient.
The content of the invention
For the technological difficulties that traditional ETL modes can not directly convert grid graph data, a kind of reality is provided It is strong with property, the method and system of GIS grid graph datas access full-service data center.
The method of GIS grid graph datas access full-service data center, including：
Step (1)：Source oracle database is connected according to configuration file, is then read from source oracle database The table name of all tables；The metadata information of every table is read according to table name；
Step (2)：Metadata information confirmation according to acquired in step (1) includes in the table of grid graph data The corresponding field name of MDSYS.SDO_GEOMETRY field types is SHAPE；The field name SHAPE, including seven sons Field name；
Step (3)：Create full-service data center analysis domain object table：In every table acquired in traversal step (1) Seven sub- field names described in step (2) corresponding in MDSYS.SDO_GEOMETRY types are converted to mesh by all row The field name of client database mysql is marked, remaining field name and the source oracle database field name of mysql keep one It causes；
Step (4)：Concurrently perform persistence architecture loading tasks.
The metadata information, including：The index information of table, partition information, table each block maximum ROWID values, The field name of each row and the field type of each row in the minimum ROWID values of each block of table, table.
Field name SHAPE, including：SHAPE.SDO_GTYPE、SHAPE.SDO_SRID、SHAPE.SDO_POINT.X、 SHAPE.SDO_POINT.Y, SHAPE.SDO_POINT.Z, SHAPE.SDO_ELEM_INFO, SHAPE.SDO_ORDINATES seven A sub- field name.
Step (4) includes step：
Step (41)：Data pick-up process pool is created, the quantity n for setting process is less than the number of the table acquired in step (1) Amount；
Step (42)：One process is only responsible for carrying out data pick-up to a table, as one in data pick-up process pool Process data extraction is added new table after being finished and is put into data pick-up process pool again, and the process sum for maintaining execution is n；
Step (43)：Partition information of each process according to acquired in step (1), table each block maximum The minimum ROWID values of each block of ROWID values and table are cut into multiple subtasks to all data of table, are then turned on more Thread, per thread once extract the data volume corresponding to a subtask.
The system of GIS grid graph datas access full-service data center, including：It memory, processor and is stored in The computer program run on memory and on a processor when the computer program is run by processor, completes following step Suddenly：
Step (1)：Source oracle database is connected according to configuration file, is then read from source oracle database The table name of all tables；The metadata information of every table is read according to table name；
Step (2)：Metadata information confirmation according to acquired in step (1) includes in the table of grid graph data The corresponding field name of MDSYS.SDO_GEOMETRY field types is SHAPE；The field name SHAPE, including seven sons Field name；
Step (3)：Create full-service data center analysis domain object table：In every table acquired in traversal step (1) Seven sub- field names described in step (2) corresponding in MDSYS.SDO_GEOMETRY types are converted to mesh by all row The field name of client database mysql is marked, remaining field name and the source oracle database field name of mysql keep one It causes；
Step (4)：Concurrently perform persistence architecture loading tasks.
A kind of computer readable storage medium, is stored thereon with computer instruction, and the computer instruction is transported by processor During row, following steps are completed：
Step (1)：Source oracle database is connected according to configuration file, is then read from source oracle database The table name of all tables；The metadata information of every table is read according to table name；
Step (2)：Metadata information confirmation according to acquired in step (1) includes in the table of grid graph data The corresponding field name of MDSYS.SDO_GEOMETRY field types is SHAPE；The field name SHAPE, including seven sons Field name；
Step (3)：Create full-service data center analysis domain object table：In every table acquired in traversal step (1) Seven sub- field names described in step (2) corresponding in MDSYS.SDO_GEOMETRY types are converted to mesh by all row The field name of client database mysql is marked, remaining field name and the source oracle database field name of mysql keep one It causes；
Step (4)：Concurrently perform persistence architecture loading tasks.
Compared with prior art, the beneficial effects of the invention are as follows：
Data center's analysis domain building-up work at present is netted in the whole nation to be carried out comprehensively, and wherein generalized information system is as company's core Operation system, the extraction of business datum full dose is one of the major tasks in data analysis domain.By analyzing GIS grid graph datas Access difficult point, it is proposed that for the data access of grid graph data type, carry out GIS electrical network figure figurate numbers to promoting unit Reference is provided according to access, can help to promote unit and smoothly complete data access work, possess good promotional value.
For the technological difficulties that traditional ETL modes can not directly convert grid graph data, this method is practical Property is strong, directly grid graph data can be extracted, converted, full dose accesses to full-service data center analysis domain, and conversion is patrolled It collects simply, it is efficient.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows Meaning property embodiment and its explanation do not form the improper restriction to the application for explaining the application.
Fig. 1 is the flow chart of the present invention.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.It is unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " bag Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As shown in Figure 1, the method for GIS grid graph datas access full-service data center, including：
Step (1)：Source oracle database is connected according to configuration file, is then read from source oracle database The table name of all tables；The metadata information of every table is read according to table name；
Step (2)：Metadata information confirmation according to acquired in step (1) includes in the table of grid graph data The corresponding field name of MDSYS.SDO_GEOMETRY field types is SHAPE；The field name SHAPE, including seven sons Field name；
Step (3)：Create full-service data center analysis domain object table：In every table acquired in traversal step (1) Seven sub- field names described in step (2) corresponding in MDSYS.SDO_GEOMETRY types are converted to mesh by all row The field name of client database mysql is marked, remaining field name and the source oracle database field name of mysql keep one It causes；
Step (4)：Concurrently perform persistence architecture loading tasks.
The metadata information, including：The index information of table, partition information, table each block maximum ROWID values, The field name of each row and the field type of each row in the minimum ROWID values of each block of table, table.
Field name SHAPE, including：SHAPE.SDO_GTYPE、SHAPE.SDO_SRID、SHAPE.SDO_POINT.X、 SHAPE.SDO_POINT.Y, SHAPE.SDO_POINT.Z, SHAPE.SDO_ELEM_INFO, SHAPE.SDO_ORDINATES seven A sub- field name.
Step (4) includes step：
Step (41)：Data pick-up process pool is created, the quantity n for setting process is less than the number of the table acquired in step (1) Amount；
Step (42)：One process is only responsible for carrying out data pick-up to a table, as one in data pick-up process pool Process data extraction is added new table after being finished and is put into data pick-up process pool again, and the process sum for maintaining execution is n；
Step (43)：Partition information of each process according to acquired in step (1), table each block maximum The minimum ROWID values of each block of ROWID values and table are cut into multiple subtasks to all data of table, are then turned on more Thread, per thread once extract the data volume corresponding to a subtask.
The system of GIS grid graph datas access full-service data center, including：It memory, processor and is stored in The computer program run on memory and on a processor when the computer program is run by processor, completes following step Suddenly：
Step (1)：Source oracle database is connected according to configuration file, is then read from source oracle database The table name of all tables；The metadata information of every table is read according to table name；
Step (2)：Metadata information confirmation according to acquired in step (1) includes in the table of grid graph data The corresponding field name of MDSYS.SDO_GEOMETRY field types is SHAPE；The field name SHAPE, including seven sons Field name；
Step (3)：Create full-service data center analysis domain object table：In every table acquired in traversal step (1) Seven sub- field names described in step (2) corresponding in MDSYS.SDO_GEOMETRY types are converted to mesh by all row The field name of client database mysql is marked, remaining field name and the source oracle database field name of mysql keep one It causes；
Step (4)：Concurrently perform persistence architecture loading tasks.
A kind of computer readable storage medium, is stored thereon with computer instruction, and the computer instruction is transported by processor During row, following steps are completed：
Step (1)：Source oracle database is connected according to configuration file, is then read from source oracle database The table name of all tables；The metadata information of every table is read according to table name；
Step (2)：Metadata information confirmation according to acquired in step (1) includes in the table of grid graph data The corresponding field name of MDSYS.SDO_GEOMETRY field types is SHAPE；The field name SHAPE, including seven sons Field name；
Step (3)：Create full-service data center analysis domain object table：In every table acquired in traversal step (1) Seven sub- field names described in step (2) corresponding in MDSYS.SDO_GEOMETRY types are converted to mesh by all row The field name of client database mysql is marked, remaining field name and the source oracle database field name of mysql keep one It causes；
Step (4)：Concurrently perform persistence architecture loading tasks.
The field name of mysql is seven sub- field names, and the field type of mysql is configured according to table 1.
Table 1
The foregoing is merely the preferred embodiments of the application, are not limited to the application, for the skill of this field For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.

Claims (6)

  1. The method of 1.GIS grid graph datas access full-service data center, it is characterized in that, including：
    Step (1)：Source oracle database is connected according to configuration file, is then read from source oracle database all The table name of table；The metadata information of every table is read according to table name；
    Step (2)：Metadata information confirmation according to acquired in step (1) includes in the table of grid graph data The corresponding field name of MDSYS.SDO_GEOMETRY field types is SHAPE；The field name SHAPE, including seven sons Field name；
    Step (3)：Create full-service data center analysis domain object table：It is all in every table acquired in traversal step (1) Seven sub- field names described in step (2) corresponding in MDSYS.SDO_GEOMETRY types are converted to destination end by row The field name of database mysql, remaining field name and the source oracle database field name of mysql are consistent；
    Step (4)：Concurrently perform persistence architecture loading tasks.
  2. 2. the method for GIS grid graph datas access full-service data center as described in claim 1, it is characterized in that, it is described Metadata information, including：The index information of table, partition information, the maximum ROWID values of each block of table, table it is each The field name of each row and the field type of each row in the minimum ROWID values of block, table.
  3. 3. the method for GIS grid graph datas access full-service data center as described in claim 1, it is characterized in that, field Title SHAPE, including：SHAPE.SDO_GTYPE、SHAPE.SDO_SRID、SHAPE.SDO_POINT.X、SHAPE.SDO_ Seven sub- field names of POINT.Y, SHAPE.SDO_POINT.Z, SHAPE.SDO_ELEM_INFO, SHAPE.SDO_ORDINATES Claim.
  4. 4. the method for GIS grid graph datas access full-service data center as described in claim 1, it is characterized in that, step (4) step is included：
    Step (41)：Data pick-up process pool is created, the quantity n for setting process is less than the quantity of the table acquired in step (1)；
    Step (42)：One process is only responsible for carrying out data pick-up to a table, when a process in data pick-up process pool Data pick-up adds new table after being finished and is put into data pick-up process pool again, and it is n to maintain the process performed sum；
    Step (43)：Partition information of each process according to acquired in step (1), table each block maximum ROWID values Multiple subtasks are cut into all data of table with the minimum ROWID values of each block of table, are then turned on multithreading, often A thread once extracts the data volume corresponding to a subtask.
  5. The system of 5.GIS grid graph datas access full-service data center, it is characterized in that, including：Memory, processor and The computer program run on a memory and on a processor is stored, when the computer program is run by processor, is completed Following steps：
    Step (1)：Source oracle database is connected according to configuration file, is then read from source oracle database all The table name of table；The metadata information of every table is read according to table name；
    Step (2)：Metadata information confirmation according to acquired in step (1) includes in the table of grid graph data The corresponding field name of MDSYS.SDO_GEOMETRY field types is SHAPE；The field name SHAPE, including seven sons Field name；
    Step (3)：Create full-service data center analysis domain object table：It is all in every table acquired in traversal step (1) Seven sub- field names described in step (2) corresponding in MDSYS.SDO_GEOMETRY types are converted to destination end by row The field name of database mysql, remaining field name and the source oracle database field name of mysql are consistent；
    Step (4)：Concurrently perform persistence architecture loading tasks.
  6. 6. a kind of computer readable storage medium, it is characterized in that, computer instruction is stored thereon with, the computer instruction is located When managing device operation, following steps are completed：
    Step (1)：Source oracle database is connected according to configuration file, is then read from source oracle database all The table name of table；The metadata information of every table is read according to table name；
    Step (2)：Metadata information confirmation according to acquired in step (1) includes in the table of grid graph data The corresponding field name of MDSYS.SDO_GEOMETRY field types is SHAPE；The field name SHAPE, including seven sons Field name；
    Step (3)：Create full-service data center analysis domain object table：It is all in every table acquired in traversal step (1) Seven sub- field names described in step (2) corresponding in MDSYS.SDO_GEOMETRY types are converted to destination end by row The field name of database mysql, remaining field name and the source oracle database field name of mysql are consistent；
    Step (4)：Concurrently perform persistence architecture loading tasks.
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