/* CloseRow
* balances OpenRow message
* if there are uncommitted modifications,
* discard all changes. otherwise,
* advance to next row
*/
rc_t VTableReadCursorCloseRow ( const VTableCursor *cself )
{
rc_t rc;
VTableCursor *self = ( VTableCursor* ) cself;
if ( self == NULL )
rc = RC ( rcVDB, rcCursor, rcClosing, rcSelf, rcNull );
else if ( self -> dad . state < vcRowOpen )
rc = 0;
else
rc = VCursorCloseRowRead ( & self -> dad );
return rc;
}
/* CloseRow
* balances OpenRow message
* if there are uncommitted modifications,
* discard all changes. otherwise,
* advance to next row
*/
LIB_EXPORT rc_t CC VCursorCloseRow ( const VCursor *cself )
{
rc_t rc;
VCursor *self = ( VCursor* ) cself;
if ( self == NULL )
rc = RC ( rcVDB, rcCursor, rcClosing, rcSelf, rcNull );
else if ( self -> state < vcRowOpen )
rc = 0;
else
rc = VCursorCloseRowRead ( self );
return rc;
}
/* CloseRow
* balances OpenRow message
* if there are uncommitted modifications,
* discard all changes. otherwise,
* advance to next row
*/
LIB_EXPORT rc_t CC VCursorCloseRow ( const VCursor *cself )
{
rc_t rc = 0; /* needed in case FlushPage isn't called */
VCursor *self = ( VCursor* ) cself;
if ( self == NULL )
rc = RC ( rcVDB, rcCursor, rcClosing, rcSelf, rcNull );
else if ( self -> state == vcFailed )
rc = RC ( rcVDB, rcCursor, rcClosing, rcCursor, rcInvalid );
else if ( self -> state < vcRowOpen )
rc = 0;
else if ( self -> read_only )
rc = VCursorCloseRowRead ( self );
else
{
/* tell each of the columns that no further data may be written
and to abandon any uncommitted writes */
VectorForEach ( & self -> row, false, WColumnCloseRow, NULL );
/* if the row was committed... */
if ( self -> state >= vcRowCommitted )
{
/* close off the page if so requested */
if ( self -> state == vcPageCommit )
{
rc = VCursorFlushPageInt ( self );
if ( rc )
{
self -> state = vcFailed;
return rc;
}
}
/* advance to next id */
++ self -> row_id;
}
self -> state = vcReady;
rc = 0;
}
return rc;
}
