// APIVersion determines the runtime behavior the fdb package. If the requested
// version is not supported by both the fdb package and the FoundationDB C
// library, an error will be returned. APIVersion must be called prior to any
// other functions in the fdb package.
//
// Currently, this package supports API versions 200 and 300.
func APIVersion(version int) error {
networkMutex.Lock()
defer networkMutex.Unlock()
if apiVersion != 0 {
if apiVersion == version {
return nil
}
return errAPIVersionAlreadySet
}
if version < 200 || version > 300 {
return errAPIVersionNotSupported
}
if e := C.fdb_select_api_version_impl(C.int(version), 300); e != 0 {
if e == 2203 && version == 200 {
e = C.fdb_select_api_version_impl(C.int(version), 200)
}
if e != 0 {
if e == 2203 {
return fmt.Errorf("API version %d not supported by the installed FoundationDB C library", version)
}
return Error{int(e)}
}
}
apiVersion = version
return nil
}
// APIVersion determines the runtime behavior the fdb package. If the requested
// version is not supported by both the fdb package and the FoundationDB C
// library, an error will be returned. APIVersion must be called prior to any
// other functions in the fdb package.
//
// Currently, the only API versions 100 and 101 are supported.
func APIVersion(version int) error {
networkMutex.Lock()
defer networkMutex.Unlock()
if apiVersion != 0 {
return errorApiVersionAlreadySet
}
if version < 100 || version > 101 {
return errorApiVersionNotSupported
}
if e := C.fdb_select_api_version_impl(C.int(version), 101); e != 0 {
return Error(e)
}
apiVersion = version
return nil
}