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DecimalBytePartsData

vortex_decimal_byte_parts

Struct DecimalBytePartsData 

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pub struct DecimalBytePartsData { /* private fields */ }
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This encoding allow compression of decimals using integer compression schemes. Decimals can be compressed by narrowing the signed decimal value into the smallest signed value, then integer compression if that is a value ptype, otherwise the decimal can be split into parts. These parts can be individually compressed. This encoding will compress large signed decimals by removing the leading zeroes (after the sign) an i128 decimal could be converted into a [i64, u64] with further narrowing applied to either value. This array encodes decimals as between 1-4 columns of primitive typed children. The most significant part (msp) sorting the most significant decimal bits. This array must be signed and is nullable iff the decimal is nullable.

e.g. for a decimal i128 [ 127..64 | 64..0 ] msp = 127..64 and lower_part[0] = 64..0

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impl DecimalBytePartsData

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pub fn validate( msp: &ArrayRef, decimal_dtype: DecimalDType, dtype: &DType, len: usize, ) -> VortexResult<()>

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impl ArrayEq for DecimalBytePartsData

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fn array_eq(&self, _other: &Self, _accuracy: EqMode) -> bool

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impl ArrayHash for DecimalBytePartsData

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fn array_hash<H: Hasher>(&self, _state: &mut H, _accuracy: EqMode)

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impl Clone for DecimalBytePartsData

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fn clone(&self) -> DecimalBytePartsData

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for DecimalBytePartsData

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

Formats the value using the given formatter. Read more
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impl Display for DecimalBytePartsData

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

Formats the value using the given formatter. Read more

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fn dyn_array_hash(&self, state: &mut dyn Hasher, eq_mode: EqMode)

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Causes self to use its Display implementation when Debug-formatted.
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
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Causes self to use its LowerExp implementation when Debug-formatted.
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fn fmt_lower_hex(self) -> FmtLowerHex<Self>
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Causes self to use its LowerHex implementation when Debug-formatted.
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