Enum sqlparser::ast::SelectItem

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pub enum SelectItem {
    UnnamedExpr(Expr),
    ExprWithAlias {
        expr: Expr,
        alias: Ident,
    },
    QualifiedWildcard(ObjectName),
    Wildcard,
}

Expand description

One item of the comma-separated list following SELECT

Variants

`UnnamedExpr(Expr)`

Any expression, not followed by [ AS ] alias

`ExprWithAlias`

Fields

expr: Expr

alias: Ident

An expression, followed by [ AS ] alias

`QualifiedWildcard(ObjectName)`

alias.* or even schema.table.*

`Wildcard`

An unqualified *

Trait Implementations

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impl Clone for SelectItem

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fn clone(&self) -> SelectItem

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

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impl Debug for SelectItem

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

Formats the value using the given formatter. Read more

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impl Display for SelectItem

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

Formats the value using the given formatter. Read more

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impl Hash for SelectItem

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fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more

1.3.0 · source

fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

Feeds a slice of this type into the given Hasher. Read more

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impl PartialEq<SelectItem> for SelectItem

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fn eq(&self, other: &SelectItem) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

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fn ne(&self, other: &SelectItem) -> bool

This method tests for !=.

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impl Eq for SelectItem

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impl StructuralEq for SelectItem

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impl StructuralPartialEq for SelectItem

Auto Trait Implementations

impl RefUnwindSafe for SelectItem

impl Send for SelectItem

impl Sync for SelectItem

impl Unpin for SelectItem

impl UnwindSafe for SelectItem

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T> ToString for T where
T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Enum sqlparser::ast::SelectItem

Variants

UnnamedExpr(Expr)

ExprWithAlias

Fields

QualifiedWildcard(ObjectName)

Wildcard

Trait Implementations

impl Clone for SelectItem

fn clone(&self) -> SelectItem

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

impl Debug for SelectItem

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

impl Display for SelectItem

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

impl Hash for SelectItem

fn hash<__H: Hasher>(&self, state: &mut __H)

fn hash_slice<H>(data: &[Self], state: &mut H) where H: Hasher,

impl PartialEq<SelectItem> for SelectItem

fn eq(&self, other: &SelectItem) -> bool

fn ne(&self, other: &SelectItem) -> bool

impl Eq for SelectItem

impl StructuralEq for SelectItem

impl StructuralPartialEq for SelectItem

Auto Trait Implementations

impl RefUnwindSafe for SelectItem

impl Send for SelectItem

impl Sync for SelectItem

impl Unpin for SelectItem

impl UnwindSafe for SelectItem

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T> ToString for T where T: Display + ?Sized,

default fn to_string(&self) -> String

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

`UnnamedExpr(Expr)`

`ExprWithAlias`

`QualifiedWildcard(ObjectName)`

`Wildcard`

fn hash<H: Hasher>(&self, state: &mut H)

fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T> ToString for T where
T: Display + ?Sized,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,