Struct datafusion::sql::sqlparser::ast::ViewColumnDef
source · pub struct ViewColumnDef {
pub name: Ident,
pub data_type: Option<DataType>,
pub options: Option<Vec<SqlOption>>,
}
Expand description
Column definition specified in a CREATE VIEW
statement.
Syntax
<name> [data_type][OPTIONS(option, ...)]
option: <name> = <value>
Examples:
name
age OPTIONS(description = "age column", tag = "prod")
created_at DateTime64
Fields§
§name: Ident
§data_type: Option<DataType>
§options: Option<Vec<SqlOption>>
Trait Implementations§
source§impl Clone for ViewColumnDef
impl Clone for ViewColumnDef
source§fn clone(&self) -> ViewColumnDef
fn clone(&self) -> ViewColumnDef
Returns a copy of the value. Read more
1.0.0 · 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 ViewColumnDef
impl Debug for ViewColumnDef
source§impl Display for ViewColumnDef
impl Display for ViewColumnDef
source§impl Hash for ViewColumnDef
impl Hash for ViewColumnDef
source§impl Ord for ViewColumnDef
impl Ord for ViewColumnDef
source§fn cmp(&self, other: &ViewColumnDef) -> Ordering
fn cmp(&self, other: &ViewColumnDef) -> Ordering
1.21.0 · source§fn max(self, other: Self) -> Selfwhere
Self: Sized,
fn max(self, other: Self) -> Selfwhere
Self: Sized,
Compares and returns the maximum of two values. Read more
source§impl PartialEq for ViewColumnDef
impl PartialEq for ViewColumnDef
source§impl PartialOrd for ViewColumnDef
impl PartialOrd for ViewColumnDef
source§impl Visit for ViewColumnDef
impl Visit for ViewColumnDef
source§impl VisitMut for ViewColumnDef
impl VisitMut for ViewColumnDef
fn visit<V>(&mut self, visitor: &mut V) -> ControlFlow<<V as VisitorMut>::Break>where
V: VisitorMut,
impl Eq for ViewColumnDef
impl StructuralPartialEq for ViewColumnDef
Auto Trait Implementations§
impl Freeze for ViewColumnDef
impl RefUnwindSafe for ViewColumnDef
impl Send for ViewColumnDef
impl Sync for ViewColumnDef
impl Unpin for ViewColumnDef
impl UnwindSafe for ViewColumnDef
Blanket Implementations§
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
source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)source§impl<Q, K> Comparable<K> for Q
impl<Q, K> Comparable<K> for Q
source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
source§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to
key
and return true
if they are equal.source§impl<T> IntoEither for T
impl<T> IntoEither for T
source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left
is true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read moresource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left(&self)
returns true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read more