28 lines
844 B
PL/PgSQL
28 lines
844 B
PL/PgSQL
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-- create functions for loading cities data as triples
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create or replace function load_cities() returns int as $$
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declare
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count int := 0;
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event bigint := new_event();
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city record;
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key text;
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begin
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for city in
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select name, regiokey, ckey, inhabitants from cities
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where rectype = '60'
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--limit 1
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loop
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key := 'xcd:' || city.regiokey;
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insert into vtriples (stname, stext, ptext, otname, otext, creation) values
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('node', key, 'rdf:type', 'node', 'xc:City', event),
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('node', key, 'rdfs:label', 'text', city.name, event),
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('node', key, 'xc:regiokey', 'text', city.regiokey, event),
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('node', key, 'xc:ckey', 'text', city.ckey, event),
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('node', key, 'xc:population', 'int', text(city.inhabitants), event);
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count := count + 1;
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end loop;
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return count;
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end;
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$$ language plpgsql;
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