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TableSuffixRequest

Struct TableSuffixRequest 

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#[non_exhaustive]
pub struct TableSuffixRequest<'a> { pub temporary: bool, pub primary_key: &'a [String], pub clustering_columns: &'a [String], pub version_column: Option<&'a str>, }
Expand description

What a table’s CREATE TABLE is about to say — what SqlRenderer::render_table_suffix is handed to decide the clause after the column list.

One struct rather than several arguments, so the slot can learn more about a table without changing its signature. Razeri builds it; a dialect reads it. A dialect’s own tests build one with TableSuffixRequest::new and the with_ methods, which is also why it cannot be written out field by field outside this crate.

Fields (Non-exhaustive)§

This struct is marked as non-exhaustive
Non-exhaustive structs could have additional fields added in future. Therefore, non-exhaustive structs cannot be constructed in external crates using the traditional Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.
§temporary: bool

Whether the table is dropped at the end of its session, its transaction or its batch. A transient table that outlives its session is not temporary.

§primary_key: &'a [String]

The table’s primary-key columns in key order, unquoted. Empty on a table with no primary key.

§clustering_columns: &'a [String]

The columns the design’s storage plan asked this table be clustered by, unquoted, and only those this table has. Empty on most tables.

§version_column: Option<&'a str>

The column whose greatest value survives when rows share a key, on the one table Razeri versions that way: the target of an engine whose MergeShape is InsertDedup. None on every other table.

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impl<'a> TableSuffixRequest<'a>

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pub const fn new() -> Self

A persistent table with no primary key, no clustering columns and no version column.

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pub const fn with_temporary(self, temporary: bool) -> Self

The same table, temporary or not.

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pub const fn with_primary_key(self, columns: &'a [String]) -> Self

The same table, with these primary-key columns.

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pub const fn with_clustering_columns(self, columns: &'a [String]) -> Self

The same table, with these clustering columns.

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pub const fn with_version_column(self, column: Option<&'a str>) -> Self

The same table, with this version column.

Trait Implementations§

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impl<'a> Clone for TableSuffixRequest<'a>

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fn clone(&self) -> Self

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<'a> Copy for TableSuffixRequest<'a>

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impl<'a> Debug for TableSuffixRequest<'a>

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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 Default for TableSuffixRequest<'_>

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'a> Eq for TableSuffixRequest<'a>

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impl<'a> PartialEq for TableSuffixRequest<'a>

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl<'a> StructuralPartialEq for TableSuffixRequest<'a>

Auto Trait Implementations§

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impl<'a> Forget for TableSuffixRequest<'a>

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impl<'a> Freeze for TableSuffixRequest<'a>

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impl<'a> Move for TableSuffixRequest<'a>

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impl<'a> RefUnwindSafe for TableSuffixRequest<'a>

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impl<'a> Send for TableSuffixRequest<'a>

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impl<'a> Sync for TableSuffixRequest<'a>

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impl<'a> Unpin for TableSuffixRequest<'a>

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impl<'a> UnsafeUnpin for TableSuffixRequest<'a>

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impl<'a> UnwindSafe for TableSuffixRequest<'a>

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 = !

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

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.