/* ListDatatypes
* returns list of typedecls for named column
*
* "col" [ IN ] - column name
*
* "dflt_idx" [ OUT, NULL OKAY ] - returns the zero-based index
* into "typedecls" of the default datatype for the named column
*
* "typedecls" [ OUT ] - list of datatypes available for named column
*
* availability: v2.1
*/
LIB_EXPORT rc_t CC VTableListWritableDatatypes ( VTable *self,
const char *col, KNamelist **typedecls )
{
rc_t rc;
if ( typedecls == NULL )
rc = RC ( rcVDB, rcTable, rcListing, rcParam, rcNull );
else
{
if ( self == NULL )
rc = RC ( rcVDB, rcTable, rcListing, rcSelf, rcNull );
else if ( col == NULL )
rc = RC ( rcVDB, rcSchema, rcListing, rcName, rcNull );
else if ( col [ 0 ] == 0 )
rc = RC ( rcVDB, rcSchema, rcListing, rcName, rcEmpty );
else
{
if ( ! self -> write_col_cache_valid )
rc = list_writable_columns ( self );
if ( self -> write_col_cache_valid )
{
uint32_t dummy;
return make_column_typelist ( & self -> write_col_cache, col, & dummy, typedecls );
}
}
* typedecls = NULL;
}
return rc;
}
LIB_EXPORT rc_t CC VTableListReadableDatatypes ( const VTable *self,
const char *col, uint32_t *dflt_idx, KNamelist **typedecls )
{
rc_t rc;
uint32_t dummy;
if ( dflt_idx == NULL )
dflt_idx = & dummy;
* dflt_idx = 0;
if ( typedecls == NULL )
rc = RC ( rcVDB, rcTable, rcListing, rcParam, rcNull );
else
{
if ( self == NULL )
rc = RC ( rcVDB, rcTable, rcListing, rcSelf, rcNull );
else if ( col == NULL )
rc = RC ( rcVDB, rcTable, rcListing, rcName, rcNull );
else if ( col [ 0 ] == 0 )
rc = RC ( rcVDB, rcTable, rcListing, rcName, rcEmpty );
else
{
if ( ! self -> read_col_cache_valid )
rc = list_readable_columns ( self );
if ( self -> read_col_cache_valid )
return make_column_typelist ( & self -> read_col_cache, col, dflt_idx, typedecls );
}
* typedecls = NULL;
}
return rc;
}
