fcl-db: sqldb: cosmetic

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@27920 3ad0048d-3df7-0310-abae-a5850022a9f2
* fcl-db: sql parser:
- support reading (and ignoring) SET AUTODDL statements generated by isql.
  This allows the parser to read isql-generated metadata extraction scripts from Firebird databases
- tests



git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@27921 3ad0048d-3df7-0310-abae-a5850022a9f2