Struct sea_orm_migration::prelude::extension::postgres::TypeAlterStatement
source · pub struct TypeAlterStatement { /* private fields */ }
Implementations§
source§impl TypeAlterStatement
impl TypeAlterStatement
pub fn new() -> TypeAlterStatement
sourcepub fn name<T>(self, name: T) -> TypeAlterStatementwhere
T: IntoTypeRef,
pub fn name<T>(self, name: T) -> TypeAlterStatementwhere
T: IntoTypeRef,
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 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) -> TypeAlterStatementwhere
T: IntoIden,
sourcepub fn before<T>(self, value: T) -> TypeAlterStatementwhere
T: IntoIden,
pub fn before<T>(self, value: T) -> TypeAlterStatementwhere
T: IntoIden,
Add a enum value before an existing value
use sea_query::{extension::postgres::Type, tests_cfg::*, *};
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) -> TypeAlterStatementwhere
T: IntoIden,
pub fn rename_to<T>(self, name: T) -> TypeAlterStatementwhere
T: IntoIden,
sourcepub fn rename_value<T, V>(self, existing: T, new_name: V) -> TypeAlterStatement
pub fn rename_value<T, V>(self, existing: T, new_name: V) -> TypeAlterStatement
Rename a enum value
use sea_query::{extension::postgres::Type, tests_cfg::*, *};
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'"#
)
source§impl TypeAlterStatement
impl TypeAlterStatement
pub fn build_ref<T>(&self, type_builder: &T) -> Stringwhere
T: TypeBuilder,
pub fn build_collect<T>(
&self,
type_builder: T,
sql: &mut dyn SqlWriter
) -> Stringwhere
T: TypeBuilder,
pub fn build_collect_ref<T>(
&self,
type_builder: &T,
sql: &mut dyn SqlWriter
) -> Stringwhere
T: TypeBuilder,
sourcepub fn to_string<T>(&self, type_builder: T) -> Stringwhere
T: TypeBuilder + QueryBuilder,
pub fn to_string<T>(&self, type_builder: T) -> Stringwhere
T: TypeBuilder + QueryBuilder,
Build corresponding SQL statement and return SQL string
Trait Implementations§
source§impl Clone for TypeAlterStatement
impl Clone for TypeAlterStatement
source§fn clone(&self) -> TypeAlterStatement
fn clone(&self) -> TypeAlterStatement
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 TypeAlterStatement
impl Debug for TypeAlterStatement
source§impl Default for TypeAlterStatement
impl Default for TypeAlterStatement
source§fn default() -> TypeAlterStatement
fn default() -> TypeAlterStatement
Returns the “default value” for a type. Read more
Auto Trait Implementations§
impl Freeze for TypeAlterStatement
impl !RefUnwindSafe for TypeAlterStatement
impl Send for TypeAlterStatement
impl Sync for TypeAlterStatement
impl Unpin for TypeAlterStatement
impl !UnwindSafe for TypeAlterStatement
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