Functions with variable number of input parameters

Question

I\'m creating a stored procedure (function) in a PostgreSQL DB, which updates a table depending on its input. In order to create a variable number of parameter function, I\'

Answer 1

There are a few things you'll want to look into:

• Dynamically building the SQL using the format function and its %I and %L specifiers, then executing it with EXECUTE ... USING; and

• Using VARIADIC parameters to take variable numbers of arguments to the function, with the caveat that they must all be the same data type.