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CREATE FUNCTION state_group_and_total( state map<text, int>, type text, amount int ) | |
CALLED ON NULL INPUT | |
RETURNS map<text, int> | |
LANGUAGE java AS ' | |
Integer count = (Integer) state.get(type); if (count == null) count = amount; else count = count + amount; state.put(type, count); return state; ' ; | |
CREATE OR REPLACE AGGREGATE group_and_total(text, int) | |
SFUNC state_group_and_total | |
STYPE map<text, int> | |
INITCOND {}; |
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