29 lines
690 B
PL/PgSQL
29 lines
690 B
PL/PgSQL
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-- create show functions
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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 $$
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begin
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case tname
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when 'node' then
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return show_node(id);
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else
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return text(show_value.id);
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end case;
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end;
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$$ language plpgsql;
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create or replace function show_node(nid bigint) returns text as $$
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select ns.prefix || ':' || n.name from nodes n
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join namespaces ns on ns.id = n.namespace
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where n.id = nid;
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$$ language sql;
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