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BuiltinScalarFunction in datafusion::physical_plan::functions - Rust

Enum datafusion::physical_plan::functions::BuiltinScalarFunction

source · [−]

pub enum BuiltinScalarFunction {
Show 63 variants    Abs,
    Acos,
    Asin,
    Atan,
    Ceil,
    Cos,
    Digest,
    Exp,
    Floor,
    Ln,
    Log,
    Log10,
    Log2,
    Round,
    Signum,
    Sin,
    Sqrt,
    Tan,
    Trunc,
    Array,
    Ascii,
    BitLength,
    Btrim,
    CharacterLength,
    Chr,
    Concat,
    ConcatWithSeparator,
    DatePart,
    DateTrunc,
    InitCap,
    Left,
    Lpad,
    Lower,
    Ltrim,
    MD5,
    NullIf,
    OctetLength,
    Random,
    RegexpReplace,
    Repeat,
    Replace,
    Reverse,
    Right,
    Rpad,
    Rtrim,
    SHA224,
    SHA256,
    SHA384,
    SHA512,
    SplitPart,
    StartsWith,
    Strpos,
    Substr,
    ToHex,
    ToTimestamp,
    ToTimestampMillis,
    ToTimestampMicros,
    ToTimestampSeconds,
    Now,
    Translate,
    Trim,
    Upper,
    RegexpMatch,
}

Expand description

Enum of all built-in scalar functions

Variants

`Abs`

abs

`Acos`

acos

`Asin`

asin

`Atan`

atan

`Ceil`

ceil

`Cos`

cos

`Digest`

Digest

`Exp`

exp

`Floor`

floor

`Ln`

ln, Natural logarithm

`Log`

log, same as log10

`Log10`

log10

`Log2`

log2

`Round`

round

`Signum`

signum

`Sin`

sin

`Sqrt`

sqrt

`Tan`

tan

`Trunc`

trunc

`Array`

construct an array from columns

`Ascii`

ascii

`BitLength`

bit_length

`Btrim`

btrim

`CharacterLength`

character_length

`Chr`

chr

`Concat`

concat

`ConcatWithSeparator`

concat_ws

`DatePart`

date_part

`DateTrunc`

date_trunc

`InitCap`

initcap

`Left`

left

`Lpad`

lpad

`Lower`

lower

`Ltrim`

ltrim

`MD5`

md5

`NullIf`

nullif

`OctetLength`

octet_length

`Random`

random

`RegexpReplace`

regexp_replace

`Repeat`

repeat

`Replace`

replace

`Reverse`

reverse

`Right`

right

`Rpad`

rpad

`Rtrim`

rtrim

`SHA224`

sha224

`SHA256`

sha256

`SHA384`

sha384

`SHA512`

Sha512

`SplitPart`

split_part

`StartsWith`

starts_with

`Strpos`

strpos

`Substr`

substr

`ToHex`

to_hex

`ToTimestamp`

to_timestamp

`ToTimestampMillis`

to_timestamp_millis

`ToTimestampMicros`

to_timestamp_micros

`ToTimestampSeconds`

to_timestamp_seconds

`Now`

now

`Translate`

translate

`Trim`

trim

`Upper`

upper

`RegexpMatch`

regexp_match

Implementations

impl BuiltinScalarFunction

pub fn supports_zero_argument(&self) -> bool

an allowlist of functions to take zero arguments, so that they will get special treatment while executing.

pub fn volatility(&self) -> Volatility

Returns the Volatility of the builtin function.

Trait Implementations

impl Clone for BuiltinScalarFunction

pub fn clone(&self) -> BuiltinScalarFunction

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

impl Debug for BuiltinScalarFunction

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

Formats the value using the given formatter. Read more

impl Display for BuiltinScalarFunction

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

Formats the value using the given formatter. Read more

impl FromStr for BuiltinScalarFunction

type Err = DataFusionError

The associated error which can be returned from parsing.

pub fn from_str(name: &str) -> Result<BuiltinScalarFunction, DataFusionError>

Parses a string s to return a value of this type. Read more

impl Hash for BuiltinScalarFunction

pub 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,

Feeds a slice of this type into the given Hasher. Read more

impl PartialEq<BuiltinScalarFunction> for BuiltinScalarFunction

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

This method tests for self and other values to be equal, and is used by ==. Read more

1.0.0 · source

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

This method tests for !=.

impl Eq for BuiltinScalarFunction

impl StructuralEq for BuiltinScalarFunction

impl StructuralPartialEq for BuiltinScalarFunction

Auto Trait Implementations

impl RefUnwindSafe for BuiltinScalarFunction

impl Send for BuiltinScalarFunction

impl Sync for BuiltinScalarFunction

impl Unpin for BuiltinScalarFunction

impl UnwindSafe for BuiltinScalarFunction

Blanket Implementations

impl<T> Any for T where
T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

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

Mutably borrows from an owned value. Read more

impl<T> CallHasher for T where
T: Hash + ?Sized,

pub default fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64 where
H: Hash + ?Sized,
B: BuildHasher,

impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

pub fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Performs the conversion.

impl<T, U> Into<U> for T where
U: From<T>,

const: unstable · source

pub fn into(self) -> U

Performs the conversion.

impl<T> Same<T> for T

type Output = T

Should always be Self

impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T> ToString for T where
T: Display + ?Sized,

pub default fn to_string(&self) -> String

Converts the given value to a String. Read more

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

pub fn vzip(self) -> V