[postgis-users] Updated shapefile to update postgres database

[SenTnel]

Hello! Im confused about this issue: 

I have a street (polyline) duplicated, one on top of the other, exact same
features, same "the_geom", but one bears the street name (column:"street")
"main street" and the other bears "N/A" as street name. Now my maps shows
the street but the name that shows is "N/A", and I would like to delete the
"N/A" polyline, how can i do basically this:

delete from mystreets_table street = 'N/A' where 'N/A' = street 'main
street'.the_geom
(delete from mystreets table the street named 'N/A' where the_geom in 'N/A'
equals the_geom in street "main street") another words, delete only the N/A
streets that the_geom is same as "main street",
I hope you understand,

Thanks! 




SenTnel wrote:
> 
> Thanks Regina, Chris and all of you for your help. Im truly newby but with
> such help Im ready to start the procedures, Ill keep you posted of my
> progress or else if some issue comes along that may require some light
> from you, Thanks again and I hope my problem/solution may be of help to
> many others,
> 
> Thanks again! 
> 
> 
> 
> SenTnel wrote:
>> 
>> Hello!
>> 
>> I would like some help updating a postgres database. This is the problem:
>> We created the database using shp2pgsql to convert a shapefile that
>> contains a city's street details (centerline), after we created the
>> database we also created an aditional column to classify the street types
>> (eg: street, avenues, highways, etc.), now we are working on the original
>> shapefile, updating new roads, changes made to highways due to
>> constructions modifications, etc., and we want to upload the "updated"
>> shapefile, without afecting the actual database, another words, we would
>> like to convert to postgres the updated shapefile with the new
>> information (it cuold be the whole shapefile) but to keep the added
>> clasiffication column intact. How can we do that?
>> 
>> Thanks
>> 
> 
> 

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