ULValue UltraLite_IndexSchema_iface::GetColumnName(
ul_column_num col_id_in_index
)
col_id_in_index The 1-based ordinal number indicating the position of the column in the index.
Gets the name of the column given the position of the column in the index.
An emptry ULValue class object if the column does not exist.
SQLE_COLUMN_NOT_FOUND if the column name does not exist.