import of array types
fixing connection closed errors with updated postgresql driver
experimenting with BasicDatasource(s) from commons-dbcp2
removed dependency commons-dbcp2
avoid to use jdbcTemplate as it tries to load the entire resultset in memory
set fetchSize in each jdbcTemplate instance
reverted to r46768
added openaire specific behaviour: do not update the datasource related information when the datasource is managed
removed table logging bloatware
codebase used to migrate to java8 the production system