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PageRequest

Struct PageRequest 

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pub struct PageRequest { /* private fields */ }
Expand description

Page request metadata.

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impl PageRequest

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pub const fn new(page: usize, per_page: usize) -> PageRequest

Creates a page request. Values are stored as provided for caller-defined paging schemes.

Examples found in repository?
examples/basic_usage.rs (line 13)
6fn main() -> Result<(), Box<dyn std::error::Error>> {
7    let database = DatabaseName::new("app")?;
8    let schema = SchemaName::new("public")?;
9    let table = TableName::new("users")?;
10    let column = ColumnName::new("id")?;
11
12    let primary_key = PrimaryKey::new(table.clone(), column.clone());
13    let page = PageRequest::new(1, 50);
14    let isolation = TransactionIsolation::Serializable;
15
16    assert_eq!(database.as_str(), "app");
17    assert_eq!(schema.as_str(), "public");
18    assert_eq!(primary_key.table(), &table);
19    assert_eq!(primary_key.column(), &column);
20    assert_eq!(page.per_page(), 50);
21    assert_eq!(SortDirection::Ascending.as_str(), "ascending");
22    assert_eq!(isolation.as_str(), "serializable");
23
24    Ok(())
25}
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pub const fn page(self) -> usize

Returns the page value.

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pub const fn per_page(self) -> usize

Returns the page-size value.

Examples found in repository?
examples/basic_usage.rs (line 20)
6fn main() -> Result<(), Box<dyn std::error::Error>> {
7    let database = DatabaseName::new("app")?;
8    let schema = SchemaName::new("public")?;
9    let table = TableName::new("users")?;
10    let column = ColumnName::new("id")?;
11
12    let primary_key = PrimaryKey::new(table.clone(), column.clone());
13    let page = PageRequest::new(1, 50);
14    let isolation = TransactionIsolation::Serializable;
15
16    assert_eq!(database.as_str(), "app");
17    assert_eq!(schema.as_str(), "public");
18    assert_eq!(primary_key.table(), &table);
19    assert_eq!(primary_key.column(), &column);
20    assert_eq!(page.per_page(), 50);
21    assert_eq!(SortDirection::Ascending.as_str(), "ascending");
22    assert_eq!(isolation.as_str(), "serializable");
23
24    Ok(())
25}

Trait Implementations§

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impl Clone for PageRequest

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fn clone(&self) -> PageRequest

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

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

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

Formats the value using the given formatter. Read more
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impl Hash for PageRequest

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

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, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for PageRequest

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fn cmp(&self, other: &PageRequest) -> Ordering

This method returns an Ordering between self and other. Read more
1.21.0 (const: unstable) · Source§

fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
1.21.0 (const: unstable) · Source§

fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
1.50.0 (const: unstable) · Source§

fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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impl PartialEq for PageRequest

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

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 PartialOrd for PageRequest

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fn partial_cmp(&self, other: &PageRequest) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
1.0.0 (const: unstable) · Source§

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
1.0.0 (const: unstable) · Source§

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
1.0.0 (const: unstable) · Source§

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
1.0.0 (const: unstable) · Source§

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl Copy for PageRequest

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impl Eq for PageRequest

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impl StructuralPartialEq for PageRequest

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.