ColumnOrder

risingwave_common::util::sort_util

Struct ColumnOrder 

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pub struct ColumnOrder {
    pub column_index: usize,
    pub order_type: OrderType,
}
Expand description

Column index with an order type (ASC or DESC). Used to represent a sort key (Vec<ColumnOrder>).

Corresponds to protobuf PbColumnOrder.

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§column_index: usize§order_type: OrderType

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impl ColumnOrder

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pub fn new(column_index: usize, order_type: OrderType) -> Self

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pub fn shift_with_offset(&mut self, offset: isize)

Shift the column index with offset.

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impl ColumnOrder

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pub fn from_protobuf(column_order: &PbColumnOrder) -> Self

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pub fn to_protobuf(self) -> PbColumnOrder

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impl Clone for ColumnOrder

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fn clone(&self) -> ColumnOrder

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 Debug for ColumnOrder

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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 ColumnOrder

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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 Hash for ColumnOrder

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

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for ColumnOrder

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

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impl Eq for ColumnOrder

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impl StructuralPartialEq for ColumnOrder

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