CharacterLengthStyle

datafusion_sql::unparser::dialect

Enum CharacterLengthStyle 

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pub enum CharacterLengthStyle {
    Length,
    CharacterLength,
}
Available on crate feature unparser only.
Expand description

CharacterLengthStyle to use for unparsing

Different DBMSs uses different names for function calculating the number of characters in the string Length style uses length(x) SQLStandard style uses character_length(x)

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Length

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CharacterLength

Trait Implementations§

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impl Clone for CharacterLengthStyle

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fn clone(&self) -> CharacterLengthStyle

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 PartialEq for CharacterLengthStyle

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fn eq(&self, other: &CharacterLengthStyle) -> 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 CharacterLengthStyle

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impl StructuralPartialEq for CharacterLengthStyle

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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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fn borrow(&self) -> &T

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

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impl<T> CloneToUninit for T
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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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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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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

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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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type Error = Infallible

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Performs the conversion.
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type Error = <U as TryFrom<T>>::Error

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