Struct UpdateQuery 

pub struct UpdateQuery { /* private fields */ }

An UPDATE query builder.

Safety: to_sql() returns FlozError::UnguardedUpdate if no WHERE clause is set, to prevent accidental table-wide updates.

Implementations

impl UpdateQuery

pub fn new(table: &str) -> Self

Create a new UPDATE query for the given table.

pub fn set(self, column: &str, value: impl Into<Value>) -> Self

Set a column to a value. Chainable.

pub fn where_(self, expr: Expr) -> Self

Add a WHERE clause.

pub fn returning_all(self) -> Self

Add RETURNING *.

pub fn returning_cols(self, columns: &[&str]) -> Self

Add RETURNING for specific columns.

pub fn to_sql(&self) -> Result<(String, Vec<Value>), FlozError>

Render to SQL string + parameters.

Returns FlozError::UnguardedUpdate if no WHERE clause is set.

Trait Implementations

impl Clone for UpdateQuery

fn clone(&self) -> UpdateQuery

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for UpdateQuery

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

Formats the value using the given formatter.