pub enum SelectClause {
All,
Columns(Vec<SelectExpression>),
Distinct(Vec<SelectExpression>),
}Expand description
SELECT clause - defines what columns/expressions to return
Variants§
All
SELECT * - all columns
Columns(Vec<SelectExpression>)
SELECT column1, column2, … - specific columns
Distinct(Vec<SelectExpression>)
SELECT DISTINCT column1, column2, … - unique values only
Trait Implementations§
Source§impl Clone for SelectClause
impl Clone for SelectClause
Source§fn clone(&self) -> SelectClause
fn clone(&self) -> SelectClause
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreSource§impl Debug for SelectClause
impl Debug for SelectClause
Source§impl<'de> Deserialize<'de> for SelectClause
impl<'de> Deserialize<'de> for SelectClause
Source§fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
Source§impl PartialEq for SelectClause
impl PartialEq for SelectClause
Source§fn eq(&self, other: &SelectClause) -> bool
fn eq(&self, other: &SelectClause) -> bool
Tests for
self and other values to be equal, and is used by ==.Source§impl Serialize for SelectClause
impl Serialize for SelectClause
impl StructuralPartialEq for SelectClause
Auto Trait Implementations§
impl Freeze for SelectClause
impl RefUnwindSafe for SelectClause
impl Send for SelectClause
impl Sync for SelectClause
impl Unpin for SelectClause
impl UnsafeUnpin for SelectClause
impl UnwindSafe for SelectClause
Blanket Implementations§
impl<T> Allocation for T
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more