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       odbx_capabilities - Query implemented capabilities


       #include <opendbx/api.h>

       int odbx_capabilities (odbx_t* handle, unsigned int cap);


       odbx_capabilities() ask the backend associated to the connection object
       returned by odbx_init() if a certain capability set is  implemented  by
       this  backend.  All backends have to implement the basic capability set
       and may implement  further  predefined  functional  sets  if  they  are
       supported  by  the native database client library. This function can be
       called at any stage after odbx_init() returned successfully.

       The first parameter handle has to be the connection object created  and
       returned  by odbx_init(). It becomes invalid as soon as it was supplied
       to odbx_finish() and odbx_capabilities() will return an error  in  this

       cap  is  the number of the capability set as defined by macro constants
       in odbx.h. Valid  constant  names  which  can  be  supplied  as  second
       parameter to odbx_capabilities() are listed below:

              The  core  function  set  which  have  to  be implemented by all
              backends. It consists of all functions necessary to connect  to,
              send textual queries to and process simple results returned from
              the database server as well as error handling functions.


       odbx_capabilities() returns ODBX_ENABLE if the requested capability  is
       supported,  ODBX_DISABLE if the capability is not supported or an error
       code whose value is less than zero if one of the supplied parameters is
       invalid.  Possible error codes are listed in the error section and they
       can be feed  to  odbx_error()  and  odbx_error_type()  to  get  further


              handle is NULL or the supplied connection object is invalid


       odbx_error(), odbx_error_type(), odbx_init()

                                 14 June 2014             odbx_capabilities(3)

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