Function append_sequence_schema_expression_dependents 

pub fn append_sequence_schema_expression_dependents(
    catalog: &dyn SequenceExpressionCatalog,
    table_name: &str,
    columns: &[ColumnDef],
    checks: &[TableCheck],
    sequence: &str,
    foreign: bool,
    dependents: &mut Vec<SequenceSchemaDependent>,
) -> Result<(), String>