returning_clause ::= { RETURNING | RETURN } [{single_row_expression [, single_row_expression]... INTO {variable_name | :host_variable_name} [, {variable_name | :host_variable_name}]... | multiple_row_expression [, multiple_row_expression]... [BULK COLLECT] INTO { collection_name | :host_array_name } [, { collection_name | :host_array_name } ]... ];