IndexDef

Struct IndexDef 

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pub struct IndexDef {
    pub schema: &'static str,
    pub table: &'static str,
    pub name: &'static str,
    pub name_explicit: bool,
    pub columns: &'static [IndexColumnDef],
    pub is_unique: bool,
    pub where_clause: Option<&'static str>,
    pub method: Option<&'static str>,
    pub with: Option<&'static str>,
    pub concurrently: bool,
}
Expand description

Const-friendly index definition

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§schema: &'static str

Schema name

§table: &'static str

Parent table name

§name: &'static str

Index name

§name_explicit: bool

Whether the index name was explicitly specified

§columns: &'static [IndexColumnDef]

Columns included in the index

§is_unique: bool

Is this a unique index?

§where_clause: Option<&'static str>

WHERE clause for partial indexes

§method: Option<&'static str>

Index method (btree, hash, etc.)

§with: Option<&'static str>

Storage parameters (WITH clause)

§concurrently: bool

Create concurrently?

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impl IndexDef

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pub const fn new( schema: &'static str, table: &'static str, name: &'static str, columns: &'static [IndexColumnDef], ) -> Self

Create a new index definition

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pub const fn unique(self) -> Self

Make this a unique index

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pub const fn explicit_name(self) -> Self

Mark the name as explicitly specified

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pub const fn where_clause(self, clause: &'static str) -> Self

Set WHERE clause for partial index

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pub const fn method(self, method: &'static str) -> Self

Set index method

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pub const fn with(self, params: &'static str) -> Self

Set storage parameters (WITH clause)

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pub const fn concurrently(self) -> Self

Set concurrently flag

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pub fn into_index(self) -> Index

Convert to runtime Index type

Trait Implementations§

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impl Clone for IndexDef

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fn clone(&self) -> IndexDef

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for IndexDef

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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 From<IndexDef> for Index

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fn from(def: IndexDef) -> Self

Converts to this type from the input type.
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impl Hash for IndexDef

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

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for IndexDef

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for IndexDef

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impl Eq for IndexDef

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impl StructuralPartialEq for IndexDef

Auto Trait Implementations§

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,

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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,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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,

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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)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.