More on IMetadataBuilder

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@57690 65644016-39b1-43b1-bf79-96bc8fe82c15
Better names for statement's flags

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@57691 65644016-39b1-43b1-bf79-96bc8fe82c15