* Declare typein/out functions in pg_proc with a special "C string" data type

* Add non-large-object binary field

* -Add index on NUMERIC/DECIMAL type(Jan)

* Make Absolutetime/Relativetime int4 because time_t can be int8 on some ports

*-Make Absolutetime/Relativetime int4 because time_t can be int8 on some ports

* Functions returning sets don't really work right[function]

* Make type equivalency apply to aggregates

*-Make type equivalency apply to aggregates

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