Dear List,
im Swiss and my English isnt the most best. Even, I will try the explain You my problem. Perhaps You will understand J In Switzerland the parts of the country were measured by different offices. The informations of the terrain (parcelles, rows, lakes, jungle etc ) are exchanged by Interlis Files (*.itf). With ogr2ogr this files can be imported into a Postgres Database. When You import only one file, its not a problem. Every Line, Point, Polygone and so on, has its own Feature-Id, which can be linked with another feature. I.e.: The geometry of a parcelle is linked with his number. Now, when I would like add a second village to my GIS, in the same Database, to be loaded in Mapserver with a mapfile layer the parcelle with the same Feature ID will appear twice so the link to the number of the parcelle is wrong What I made in a first time: after have imported the first village, I add to the primary and foreign keys, which I really Im going to use in my GIS a Char (a in example) by using PostgreSQL only after I imported the second file. This is a solution which works, but not for long time J I asked me, or better: I ask You, if there isnt a mechanism in PostGIS or PostgreSQL which is specially implemented for this kind of collage Some kind of namespaces or I dont know You understand =-) ? Thänk You very much for Your help. Salutation from Chuchichäschtli
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