I am following the Geoserver Getting Started documentation in order to create
an example PostGIS table.
I am working on a MacBook running Snow Leopard v10.6.8
Thanks to previous advice from the forum (Nicolas Ribot) I was able to create
the sample database 'nyc' based on the template 'template_postgis'.
I am now encountering errors in trying to move to the next stage of importing
the file 'nyc_buildings.sql' into the database.
The Unix command I am using is:
$ /usr/local/pgsql-9.0/bin/psql -f /Users/bacmac/nyc_buildings.sql nyc
The Geoserver instructions are not explicit about where to put the
nyc_buildings.sql file so I have left it in my own user directory 'bacmac'.
Execution of the command produces a string of errors beginning with:
CREATE TABLE
psql:/Users/bacmac/nyc_buildings.sql:4: ERROR: function
addgeometrycolumn(unknown, unknown, unknown, unknown, unknown, integer) does
not exist
LINE 1: SELECT AddGeometryColumn('','nyc_buildings','the_geom','2908...
HINT: No function matches the given name and argument types. You might need to
add explicit type casts.
psql:/Users/bacmac/nyc_buildings.sql:5: ERROR: current transaction is aborted,
commands ignored until end of transaction block
psql:/Users/bacmac/nyc_buildings.sql:6: ERROR: current transaction is aborted
... and so on.
I realise that part of my difficulties stem from a lack of conceptual awareness
of how the various parts of PostGIS fit together (databases, data stores,
tables, clusters...) and what directory structure the PostGIS installation
creates. I am very familiar with Access databases but that may be dangerous
because the basic paradigm for PostGIS may be different. Are there any diagrams
out there that give a basic conceptual view of Geoserver and PostIGIS? Also, I
am coming at this from an enterprise SDI policy and implementation end, not
from an IT/Unix background (probably very obvious!). Trying to construct a
coherent overall picture based on the predominantly text-based, IT-heavy advice
online is proving a challenge.
Many thanks
Bruce Callander
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