Struct sea_query::extension::postgres::TypeAlterStatement [−][src]
pub struct TypeAlterStatement { /* fields omitted */ }
This is supported on crate feature
backend-postgres
only.Implementations
impl TypeAlterStatement
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impl TypeAlterStatement
[src]pub fn new() -> Self
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pub fn name<T>(self, name: T) -> Self where
T: IntoIden,
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pub fn name<T>(self, name: T) -> Self where
T: IntoIden,
[src]Change the definition of a type
use sea_query::{*, extension::postgres::Type}; enum FontFamily { Type, Serif, Sans, Monospace, } impl Iden for FontFamily { fn unquoted(&self, s: &mut dyn std::fmt::Write) { write!(s, "{}", match self { Self::Type => "font_family", Self::Serif => "serif", Self::Sans => "sans", Self::Monospace => "monospace", }).unwrap(); } } assert_eq!( Type::alter() .name(FontFamily::Type) .add_value(Alias::new("cursive")) .to_string(PostgresQueryBuilder), r#"ALTER TYPE "font_family" ADD VALUE 'cursive'"# );
pub fn add_value<T>(self, value: T) -> Self where
T: IntoIden,
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T: IntoIden,
pub fn before<T>(self, value: T) -> Self where
T: IntoIden,
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pub fn before<T>(self, value: T) -> Self where
T: IntoIden,
[src]Add a enum value before an existing value
use sea_query::{*, tests_cfg::*, extension::postgres::Type}; assert_eq!( Type::alter() .name(Font::Table) .add_value(Alias::new("weight")) .before(Font::Variant) .to_string(PostgresQueryBuilder), r#"ALTER TYPE "font" ADD VALUE 'weight' BEFORE 'variant'"# )
pub fn after<T>(self, value: T) -> Self where
T: IntoIden,
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T: IntoIden,
pub fn rename_to<T>(self, name: T) -> Self where
T: IntoIden,
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T: IntoIden,
pub fn rename_value<T, V>(self, existing: T, new_name: V) -> Self where
T: IntoIden,
V: IntoIden,
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pub fn rename_value<T, V>(self, existing: T, new_name: V) -> Self where
T: IntoIden,
V: IntoIden,
[src]Rename a enum value
use sea_query::{*, tests_cfg::*, extension::postgres::Type}; assert_eq!( Type::alter() .name(Font::Table) .rename_value(Alias::new("variant"), Alias::new("language")) .to_string(PostgresQueryBuilder), r#"ALTER TYPE "font" RENAME VALUE 'variant' TO 'language'"# )
pub fn build<T: TypeBuilder>(&self, type_builder: T) -> (String, Vec<Value>)
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pub fn build_ref<T: TypeBuilder>(
&self,
type_builder: &T
) -> (String, Vec<Value>)
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&self,
type_builder: &T
) -> (String, Vec<Value>)
pub fn build_collect<T: TypeBuilder>(
&self,
type_builder: T,
collector: &mut dyn FnMut(Value)
) -> String
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&self,
type_builder: T,
collector: &mut dyn FnMut(Value)
) -> String
pub fn build_collect_ref<T: TypeBuilder>(
&self,
type_builder: &T,
collector: &mut dyn FnMut(Value)
) -> String
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&self,
type_builder: &T,
collector: &mut dyn FnMut(Value)
) -> String
pub fn to_string<T>(&self, type_builder: T) -> String where
T: TypeBuilder + QueryBuilder,
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pub fn to_string<T>(&self, type_builder: T) -> String where
T: TypeBuilder + QueryBuilder,
[src]Build corresponding SQL statement and return SQL string
Trait Implementations
impl Clone for TypeAlterStatement
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impl Clone for TypeAlterStatement
[src]fn clone(&self) -> TypeAlterStatement
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fn clone(&self) -> TypeAlterStatement
[src]Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
1.0.0[src]Performs copy-assignment from source
. Read more
impl Debug for TypeAlterStatement
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impl Debug for TypeAlterStatement
[src]impl Default for TypeAlterStatement
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impl Default for TypeAlterStatement
[src]fn default() -> TypeAlterStatement
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fn default() -> TypeAlterStatement
[src]Returns the “default value” for a type. Read more
Auto Trait Implementations
impl !RefUnwindSafe for TypeAlterStatement
impl !Send for TypeAlterStatement
impl !Sync for TypeAlterStatement
impl Unpin for TypeAlterStatement
impl !UnwindSafe for TypeAlterStatement
Blanket Implementations
impl<T> BorrowMut<T> for T where
T: ?Sized,
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impl<T> BorrowMut<T> for T where
T: ?Sized,
[src]pub fn borrow_mut(&mut self) -> &mut T
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pub fn borrow_mut(&mut self) -> &mut T
[src]Mutably borrows from an owned value. Read more
impl<T> Same<T> for T
impl<T> Same<T> for T
type Output = T
type Output = T
Should always be Self
impl<T> ToOwned for T where
T: Clone,
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impl<T> ToOwned for T where
T: Clone,
[src]type Owned = T
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn to_owned(&self) -> T
[src]Creates owned data from borrowed data, usually by cloning. Read more
pub fn clone_into(&self, target: &mut T)
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pub fn clone_into(&self, target: &mut T)
[src]🔬 This is a nightly-only experimental API. (toowned_clone_into
)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more
impl<V, T> VZip<V> for T where
V: MultiLane<T>,
impl<V, T> VZip<V> for T where
V: MultiLane<T>,