49 lines
1.4 KiB
MySQL
49 lines
1.4 KiB
MySQL
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-- Interface of the server extension
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CREATE OR REPLACE FUNCTION geocode_postalcode_point(user_id NAME, tx_id BIGINT, code text)
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RETURNS Geometry AS $$
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plpy.debug('Entering _geocode_postalcode_point')
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plpy.debug('user_id = %s' % user_id)
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#-- Access control
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#-- TODO: this should be part of cdb python library
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if user_id == 'publicuser':
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plpy.error('The api_key must be provided')
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#--TODO: rate limiting check
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#--TODO: quota check
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#-- Copied from the doc, see http://www.postgresql.org/docs/9.4/static/plpython-database.html
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plan = plpy.prepare("SELECT cdb_geocoder_server._geocode_postalcode_point($1) AS point", ["text"])
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rv = plpy.execute(plan, [code], 1)
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plpy.debug('Returning from _geocode_postalcode_point')
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return rv[0]["point"]
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$$ LANGUAGE plpythonu;
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--------------------------------------------------------------------------------
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-- Implementation of the server extension
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-- Note: these functions depend on the cdb_geocoder extension
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CREATE OR REPLACE FUNCTION _geocode_postalcode_point(code text)
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RETURNS Geometry AS $$
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DECLARE
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ret Geometry;
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BEGIN
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SELECT geom INTO ret
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FROM (
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SELECT
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q, (
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SELECT the_geom
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FROM global_postal_code_points
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WHERE postal_code = upper(d.q)
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LIMIT 1
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) geom
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FROM (SELECT code q) d
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) v;
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RETURN ret;
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END
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$$ LANGUAGE plpgsql;
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