Struct QueryResult 

pub struct QueryResult {
    pub rows: Vec<Row>,
    pub affected_rows: usize,
}

Result of a query execution

Contains the rows returned by the query and metadata about the execution.

Fields

rows: Vec<Row>

Rows returned by the query

affected_rows: usize

Number of rows affected by the query (for INSERT, UPDATE, DELETE)

Implementations

impl QueryResult

pub fn new() -> Self

Create a new empty query result

pub fn with_rows(rows: Vec<Row>) -> Self

Create a new query result with rows

pub fn with_affected_rows(affected_rows: usize) -> Self

Create a new query result for a modification query

pub fn len(&self) -> usize

Get the number of rows returned

pub fn is_empty(&self) -> bool

Check if the result is empty

pub fn one(self) -> Result<Row>

Get a single row, returning an error if zero or multiple rows exist

pub fn optional(self) -> Result<Option<Row>>

Get an optional single row, returning None if zero rows, error if multiple

pub fn all(self) -> Vec<Row>

Get all rows as a Vec

pub fn iter(&self) -> impl Iterator<Item = &Row>

Iterate over rows

Trait Implementations

impl Clone for QueryResult

fn clone(&self) -> QueryResult

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for QueryResult

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for QueryResult

fn default() -> Self

Returns the “default value” for a type.

impl IntoIterator for QueryResult

type Item = Row

The type of the elements being iterated over.

type IntoIter = IntoIter<Row>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.