22 lines
602 B
PL/PgSQL
22 lines
602 B
PL/PgSQL
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create or replace function show_value(type smallint, id bigint) returns text as $$
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declare tname text := (select dtname from datatypes as dt where dt.id = type);
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begin
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return show_value(tname, id);
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end;
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$$ language plpgsql;
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create or replace function show_value(tname text, id bigint) returns text as $$
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begin
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case tname
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when 'node' then
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return (
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select ns.prefix || ':' || n.name
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from nodes n
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join namespaces ns on ns.id = n.namespace
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where n.id = show_value.id
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);
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else return text(show_value.id);
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end case;
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end;
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$$ language plpgsql;
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