When `ENABLE_PCH = false`, this define will be conflict with BOOL in `include/arrow/type_fwd.h`. The ODBC table will be deprecated in 2.1, so I just simply undefined the BOOL in include/sqltypes.h to make compile OK
When `ENABLE_PCH = false`, this define will be conflict with BOOL in `include/arrow/type_fwd.h`. The ODBC table will be deprecated in 2.1, so I just simply undefined the BOOL in include/sqltypes.h to make compile OK