PostGIS function pgsql2shp

From IMSMA Wiki
Revision as of 14:12, 11 September 2018 by Alnaucler (talk | contribs)
Jump to: navigation, search
Note.jpg The example below is using the staging area database.

One of the geotables need to be included in the table/view that you are exporting:

  • xx_point
  • xx_polygon
  • xx_polyline.
Pg sql2.png

The mandatory column to include in the export is called shape

  1. Create a SQL view or use one of the existing GIS views
  2. Open the command / DOS prompt
  3. Go to C:\IMSMAng\pgsql\bin
  4. Run the command pgsql2shp with the following parameters
-f the name of the resulting shape file
-h host name
if the Staging area database is on your computer than use localhost
-u user
use imsma
-P password
use password
database name
SQL view or table name

If you would like to export all rows then you refer to the SQL view/table by the name of it. If you would like to export only some rows then you need to add more SQL statements.

Note.jpg Any " inside the SQL statement needs to be escaped and therefore it is easier to refer to a SQL view that contains the columns and rows you would like to export.

The number of rows exported will be shown when the export is done

Example: pgsql2shp -f land_polygon -h localhost -u imsma -P password staging " select * from haz_gis_poly where \"Status\" = 'Closed' "

Note.jpg If the Output shape type is Unknown then there is something wrong with the SQL view/table. Most likely the mandatory column shape is not included.