CREATE AGGREGATE testagg3(int2) (SFUNC = int2_sum, STYPE = int8);
CREATE AGGREGATE testagg4(int2) (SFUNC = int2_sum, STYPE = int8);
CREATE AGGREGATE testagg5(int2) (SFUNC = int2_sum, STYPE = int8);
-CREATE AGGREGATE testagg5(int2) (SFUNC = int2_sum, STYPE = int8);
-ERROR: function "testagg5" already exists with same argument types
CREATE AGGREGATE testagg6(int2) (SFUNC = int2_sum, STYPE = int8);
CREATE AGGREGATE testagg7(int2) (SFUNC = int2_sum, STYPE = int8);
CREATE AGGREGATE testagg8(int2) (SFUNC = int2_sum, STYPE = int8);
CREATE AGGREGATE testagg3(int2) (SFUNC = int2_sum, STYPE = int8);
CREATE AGGREGATE testagg4(int2) (SFUNC = int2_sum, STYPE = int8);
CREATE AGGREGATE testagg5(int2) (SFUNC = int2_sum, STYPE = int8);
-CREATE AGGREGATE testagg5(int2) (SFUNC = int2_sum, STYPE = int8);
CREATE AGGREGATE testagg6(int2) (SFUNC = int2_sum, STYPE = int8);
CREATE AGGREGATE testagg7(int2) (SFUNC = int2_sum, STYPE = int8);
CREATE AGGREGATE testagg8(int2) (SFUNC = int2_sum, STYPE = int8);