| Module | Sequel::JDBC::Postgres::AdapterMethods | 
| In: | lib/sequel/adapters/jdbc/postgresql.rb | 
Methods to add to the JDBC adapter/connection to allow it to work with the shared PostgreSQL code.
Give the JDBC adapter a direct execute method, which creates a statement with the given sql and executes it.
    # File lib/sequel/adapters/jdbc/postgresql.rb, line 17
17:         def execute(sql, args=nil)
18:           method = block_given? ? :executeQuery : :execute
19:           stmt = createStatement
20:           begin
21:             rows = stmt.send(method, sql)
22:             yield(rows) if block_given?
23:           rescue NativeException => e
24:             raise_error(e)
25:           ensure
26:             stmt.close
27:           end
28:         end