Struct TableSchemaBuilder

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pub struct TableSchemaBuilder { /* private fields */ }

Expand description

A builder for TableSchema.

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impl TableSchemaBuilder

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pub fn new() -> Self

Creates a new builder for TableSchema.

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pub fn new_with_field_fields(file_fields: Vec<Field>) -> Self

Create a new builder with the passed file fields.

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pub fn add_file_fields(self, fields: Vec<Field>) -> Self

Adds file fields to the TableSchema.

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pub fn add_partition_fields(self, fields: Vec<Field>) -> Self

Adds partition fields to the TableSchema.

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pub fn build(self) -> TableSchema

Builds the TableSchema, taking a SchemaRef as an argument, and returning a Result.

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impl Default for TableSchemaBuilder

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl UnwindSafe for TableSchemaBuilder

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> 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 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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