Stored Procedure call overhead-way to batch?

[pturmel]

Consider nesting that stored procedure inside a new stored procedure that accepts array parameters. It would call the original SP for each, and assemble the result from each into a row of a response dataset. One call to process many operations.

You'll need a competent database (with UNNEST or equivalent support):

Taking a Dataset and Inserting it to a SQL temp table

If you were using a competent database (the following is PostgreSQL), you can pass java arrays as arguments, and unnest() them in a FROM clause. For an example, I created a table in my psql forum playground called phrases, to be used in a join. When queried by itself, you get this dataset: "#NAMES" "prefix","suffix" "#TYPES" "str","I" "#ROWS","4" "Hello","1" "Good Bye","2" "Welcome to","3" "Whoa!","4" To go with that, in a custom property named lookups, I created the following unbound datase…