* fcl-db: sql parser: Allow:
- double precision datatype
- blob subtype text and blob subtype binary (instead of only blob subtype 0 and 1)
- Associated tests



git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@27887 3ad0048d-3df7-0310-abae-a5850022a9f2