GIS中长事务模型

陈波; 周顺平; 万波; 叶亚琴

Volume 31 Issue 5

Sep. 2006

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CHEN Bo, ZHOU Shun-ping, WAN Bo, YE Ya-qin, 2006. Long Transactions in GIS. Earth Science, 31(5): 605-608.

Citation:

CHEN Bo, ZHOU Shun-ping, WAN Bo, YE Ya-qin, 2006. Long Transactions in GIS. Earth Science, 31(5): 605-608.

CHEN Bo, ZHOU Shun-ping, WAN Bo, YE Ya-qin, 2006. Long Transactions in GIS. Earth Science, 31(5): 605-608.

Citation:

CHEN Bo, ZHOU Shun-ping, WAN Bo, YE Ya-qin, 2006. Long Transactions in GIS. Earth Science, 31(5): 605-608.

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Long Transactions in GIS

CHEN Bo^{1, 3
,},
ZHOU Shun-ping^{2, 3},
WAN Bo^{2, 3},
YE Ya-qin^{2, 3}

1.
Graduate School ,China University of Geosciences, Wuhan 430074,China
2.
Faculty of Information Engineering ,China University of Geosciences ,Wuhan 430074,China
3.
Wuhan Zondy Cyber-Tech Co .,Ltd .,Wuhan 430074,China

Received Date: 2006-05-30
Publish Date: 2006-09-25

Abstract

Abstract

This paper offers a solution to the application of a GIS system based on relational database management system (RDBMS) in a given circumstance which requires a long transaction. The traditional method to long transaction is to add locks on data in order to let someone edit it exclusively. That is to say, data can not be edited by more than one person at the same time with the traditional method. The paper starts from the requirement from GIS to long transaction and the questions which went on when people deal the long transaction with the traditional method. A feasible solution is offered which treats a data change as a statement and mark changes in data by state ids, then uses two algorithms to control the statements. With this solution not only data can be edited by few persons synchronously but also the different changes made by different people can be saved respectively.
- GIS,
- long transaction,
- concurrency control

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References(7)

References

Abraham, S., Henry, E. K., Sudarshan, S., 2003. Database system concepts, fourth edition. Translated by Yang, D. Q., Tang, S. W. . China Machine Industry Press, Beijing (in Chinese).

Garcia, M. H., Salem, K., 1987. Sagas. In: Francisco, S., ed. . Proceedings of the ACM SIGMDD conference. ACM Press, CA. 249 -259.

Hector, G. M., Jeffrey, D. U., Jennifer, W., 2003. Database system: The complete book. Translated by Yue, L. H., Yang, D. Q., Gong, Y. C., et al. . China Machine Indus-try Press, Beijing (in Chinese).

Wu, X. C., 2004. The new generation of MAPGIS. Geomatics World, 2 (2): 3 -7 (in Chinese with English abstract).

Abraham, S., Henry, E. K., Sudarshan, S., 2003. 数据库系统概念. 杨冬青, 唐世渭, 译. 北京: 机械工业出版社.

Hector, G. M., Jeffrey, D. U., Jennifer, W., 2003. 数据库系统全书. 岳丽华, 杨冬青, 龚育昌, 等, 译. 北京: 机械工业出版社.

吴信才, 2004. 新一代MAPGIS. 地理信息世界, 2 (2): 3 -7.

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