OverWindowCachePolicy

risingwave_common::session_config

Enum OverWindowCachePolicy 

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pub enum OverWindowCachePolicy {
    Full,
    Recent,
    RecentFirstN,
    RecentLastN,
}

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Full

Cache all entries.

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Recent

Cache only recently accessed range of entries.

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RecentFirstN

Cache only the first N entries in recently accessed range.

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RecentLastN

Cache only the last N entries in recently accessed range.

Implementations§

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impl OverWindowCachePolicy

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pub fn is_full(&self) -> bool

Returns true if this is a OverWindowCachePolicy::Full, otherwise false

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pub fn is_recent(&self) -> bool

Returns true if this is a OverWindowCachePolicy::Recent, otherwise false

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pub fn is_recent_first_n(&self) -> bool

Returns true if this is a OverWindowCachePolicy::RecentFirstN, otherwise false

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pub fn is_recent_last_n(&self) -> bool

Returns true if this is a OverWindowCachePolicy::RecentLastN, otherwise false

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impl OverWindowCachePolicy

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pub fn to_protobuf(self) -> PbOverWindowCachePolicy

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pub fn from_protobuf(pb: PbOverWindowCachePolicy) -> Self

Trait Implementations§

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impl Clone for OverWindowCachePolicy

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fn clone(&self) -> OverWindowCachePolicy

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 OverWindowCachePolicy

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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 Default for OverWindowCachePolicy

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fn default() -> OverWindowCachePolicy

Returns the “default value” for a type. Read more
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impl Display for OverWindowCachePolicy

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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 FromStr for OverWindowCachePolicy

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type Err = &'static str

The associated error which can be returned from parsing.
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fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type. Read more
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impl PartialEq for OverWindowCachePolicy

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

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impl Eq for OverWindowCachePolicy

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impl StructuralPartialEq for OverWindowCachePolicy

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