Enum datafusion_expr::BuiltinScalarFunction

source · [−]

pub enum BuiltinScalarFunction {
Show 70 variants    Abs,
    Acos,
    Asin,
    Atan,
    Atan2,
    Ceil,
    Coalesce,
    Cos,
    Digest,
    Exp,
    Floor,
    Ln,
    Log,
    Log10,
    Log2,
    Power,
    Round,
    Signum,
    Sin,
    Sqrt,
    Tan,
    Trunc,
    Array,
    Ascii,
    BitLength,
    Btrim,
    CharacterLength,
    Chr,
    Concat,
    ConcatWithSeparator,
    DatePart,
    DateTrunc,
    DateBin,
    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,
    FromUnixtime,
    Now,
    Translate,
    Trim,
    Upper,
    RegexpMatch,
    Struct,
    ArrowTypeof,
}

Expand description

Enum of all built-in scalar functions

Variants

`Abs`

abs

`Acos`

acos

`Asin`

asin

`Atan`

atan

`Atan2`

atan2

`Ceil`

ceil

`Coalesce`

coalesce

`Cos`

cos

`Digest`

Digest

`Exp`

exp

`Floor`

floor

`Ln`

ln, Natural logarithm

`Log`

log, same as log10

`Log10`

log10

`Log2`

log2

`Power`

power

`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

`DateBin`

date_bin

`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

`FromUnixtime`

from_unixtime

`Now`

now

`Translate`

translate

`Trim`

trim

`Upper`

upper

`RegexpMatch`

regexp_match

`Struct`

struct

`ArrowTypeof`

arrow_typeof

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

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

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

Formats the value using the given formatter. Read more

impl Display for BuiltinScalarFunction

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

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.

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

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

impl Hash for BuiltinScalarFunction

fn hash<H: Hasher>(&self, state: &mut H)

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

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 !=. The default implementation is almost always sufficient, and should not be overridden without very good reason. Read more

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,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source

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

Mutably borrows from an owned value. Read more

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

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,

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

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

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

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

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

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

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

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

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

Performs the conversion.

impl<T> Allocation for T where
T: RefUnwindSafe + Send + Sync,