The columns in ODB API files can currently be of following types:

• REAL, single precision (32bits) floating point number,
• STRING,for text columns. Currently limited to 8 characters.
• INTEGER, 32 bits signed integer.
• BITFIELD, for efficient encoding of flags.
• DOUBLE, double precision (64 bits) floating point numbers.

The actual type of a column can be found using odb header tool.