Tagged Questions
0
votes
1answer
110 views
Help with Python Update Cursor syntax
I'm having trouble running a loop to update the values in a particular field in attribute table by reading from a csv file. Any input is greatly appreciated. The following is the sample code:
import ...
0
votes
0answers
80 views
Can I do full SQL expressions through the “WHERE” clause in UpdateCursor?
Run as a standalone python script for a shapefile in a toolbox on ArcMap.
For example:
psql_url_pop = '''SELECT shapefile.NAME_# + shapefile.WIKI_URL FROM public.shapefile'''
rows = ...
0
votes
1answer
114 views
How to populate Unique ID field after sorting?
I am trying to create an new unique id field in a feature class. I already have one field called "SITE_ID_FD", but it is historical. The format of the unique value in that field isn't what our current ...
3
votes
5answers
397 views
Having trouble nesting updatecursors
I'm trying unsuccessfully to perform updates on multiple linked tables using updatecursors.
The following code works as I would expect:
trackRows = ...
1
vote
1answer
104 views
How to select and update from multiple tables?
I have two feature classes which have common Valve ID #s. One table has multiple service connections with a unique number. I need to select all services linked to each valve and collect the ...
