fcl-db: interbase: avoid conversions ->TBCD->double for parameters of other type than ftFmtBCD (f.e. ftBCD: Currency->TBCD->double)

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29180 3ad0048d-3df7-0310-abae-a5850022a9f2
fcl-db: interbase: formating

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29181 3ad0048d-3df7-0310-abae-a5850022a9f2
fcl-db: tests: unify test with others

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29182 3ad0048d-3df7-0310-abae-a5850022a9f2