Fixed the server crash during disconnection forced by the network layer.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@59035 65644016-39b1-43b1-bf79-96bc8fe82c15
Correction.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@59036 65644016-39b1-43b1-bf79-96bc8fe82c15
Fixed CORE-4315 - Usage of field's alias in view WITH CHECK OPTION leads to incorrect compile error or incorrect internal triggers.

git-svn-id: svn+ssh://svn.code.sf.net/p/firebird/code/firebird/trunk@59037 65644016-39b1-43b1-bf79-96bc8fe82c15