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Mastering Geospatial Analysis with Python
book

Mastering Geospatial Analysis with Python

by Silas Toms, Paul Crickard, Eric van Rees
April 2018
Beginner to intermediate content levelBeginner to intermediate
440 pages
11h 36m
English
Packt Publishing
Content preview from Mastering Geospatial Analysis with Python

Insert statements

One way to add data to the database is to use SQL INSERT statements. These will generate rows of data within the database tables created in the last section. Using the pyshp module, we can read a shapefile and add the data it contains to an INSERT statement template. This statement is then executed by the cursor:

from pymapd import connectimport shapefileconnection = connect(user="mapd", password= "{password}",      host="{my.host.com}", dbname="mapd")import shapefileimport pygeoifcursor = connection.cursor()insert = """INSERT INTO county     VALUES ({cid},'{name}','12','FL','{geom}');"""countyfile = r'FloridaCounties.shp'county_shapefile = shapefile.Reader(countyfile)county_shapes = county_shapefile.shapes()county_records = county_shapefile.records() ...
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Publisher Resources

ISBN: 9781788293334Supplemental Content