size_t UltraLite_RowSchema_iface::GetColumnScale(
const ULValue & column_id
)
column_id A 1-based ordinal number.
Gets the scale of a numeric column.
0 if the column is not a numeric type or if the column does not exist.
Sets SQLE_COLUMN_NOT_FOUND if the column name does not exist.
Sets SQLE_DATATYPE_NOT_ALLOWED if the column type is not a numeric.