Struct QueryResult 

pub struct QueryResult { /* private fields */ }

Result of a query execution.

Implementations

impl QueryResult

pub fn new(columns: Vec<Column>, rows: Vec<Row>) -> Self

Create a new query result.

pub fn empty() -> Self

Create an empty result.

pub fn affected(rows_affected: u64) -> Self

Create a result for a write operation.

pub fn with_execution_time(self, ms: u64) -> Self

Set execution time.

pub fn columns(&self) -> &[Column]

Get column metadata.

pub fn rows(&self) -> &[Row]

Get all rows.

pub fn row_count(&self) -> usize

Get the number of rows.

pub fn rows_affected(&self) -> u64

Get rows affected (for INSERT, UPDATE, DELETE).

pub fn execution_time_ms(&self) -> u64

Get execution time in milliseconds.

pub fn is_empty(&self) -> bool

Check if the result is empty.

pub fn first(&self) -> Option<&Row>

Get the first row.

pub fn scalar(&self) -> Option<&Value>

Get the first value of the first row.

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<'de> Deserialize<'de> for QueryResult

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

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.

impl Serialize for QueryResult

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.