Struct substrait_expr::builder::schema::RefBuilder

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pub struct RefBuilder<'a> { /* private fields */ }
Expand description

Creates field reference expressions that reference a field in a schema

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impl<'a> RefBuilder<'a>

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pub fn resolve_by_name( &self, name: &str ) -> Result<Expression, SubstraitExprError>

Create a field reference from a “path string”

TODO: Explain syntax TODO: Provide examples

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pub fn field_builder(&self) -> Box<dyn ReferenceBuilder + 'a>

Create a builder that can be used to programmatically create a field reference

Auto Trait Implementations§

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impl<'a> RefUnwindSafe for RefBuilder<'a>

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impl<'a> Send for RefBuilder<'a>

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impl<'a> Sync for RefBuilder<'a>

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impl<'a> Unpin for RefBuilder<'a>

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impl<'a> UnwindSafe for RefBuilder<'a>

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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> 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, 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.