mito2::region::options

Struct RegionOptions

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pub struct RegionOptions {
    pub ttl: Option<TimeToLive>,
    pub compaction: CompactionOptions,
    pub storage: Option<String>,
    pub append_mode: bool,
    pub wal_options: WalOptions,
    pub index_options: IndexOptions,
    pub memtable: Option<MemtableOptions>,
    pub merge_mode: Option<MergeMode>,
}
Expand description

Options that affect the entire region.

Users need to specify the options while creating/opening a region.

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§ttl: Option<TimeToLive>

Region SST files TTL.

§compaction: CompactionOptions

Compaction options.

§storage: Option<String>

Custom storage. Uses default storage if it is None.

§append_mode: bool

If append mode is enabled, the region keeps duplicate rows.

§wal_options: WalOptions

Wal options.

§index_options: IndexOptions

Index options.

§memtable: Option<MemtableOptions>

Memtable options.

§merge_mode: Option<MergeMode>

The mode to merge duplicate rows. Only takes effect when append_mode is false.

Implementations§

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impl RegionOptions

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pub fn validate(&self) -> Result<()>

Validates options.

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pub fn need_dedup(&self) -> bool

Returns true if deduplication is needed.

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pub fn merge_mode(&self) -> MergeMode

Returns the merge_mode if it is set, otherwise returns the default MergeMode.

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pub fn primary_key_encoding(&self) -> PrimaryKeyEncoding

Returns the primary_key_encoding if it is set, otherwise returns the default PrimaryKeyEncoding.

Trait Implementations§

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impl Clone for RegionOptions

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fn clone(&self) -> RegionOptions

Returns a copy 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 RegionOptions

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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 RegionOptions

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fn default() -> RegionOptions

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for RegionOptions
where RegionOptions: Default,

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl PartialEq for RegionOptions

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fn eq(&self, other: &RegionOptions) -> 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 Serialize for RegionOptions

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl TryFrom<&HashMap<String, String>> for RegionOptions

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(options_map: &HashMap<String, String>) -> Result<Self>

Performs the conversion.
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impl Eq for RegionOptions

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impl StructuralPartialEq for RegionOptions

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