Fixed CORE-3963: isql doesn't know the difference between UDF's and psql-functions.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@58253 65644016-39b1-43b1-bf79-96bc8fe82c15
Added support for the explained plan.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@58254 65644016-39b1-43b1-bf79-96bc8fe82c15
Added support for the explained plan.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@58255 65644016-39b1-43b1-bf79-96bc8fe82c15
no more need in plan here

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@58256 65644016-39b1-43b1-bf79-96bc8fe82c15
nightly update

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@58258 65644016-39b1-43b1-bf79-96bc8fe82c15