store_api::storage::descriptors

Struct RegionId

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pub struct RegionId(u64);
Expand description

Id of the region. It’s generated by concatenating table id, region group and region number.

63                                  31         23                  0
┌────────────────────────────────────┬──────────┬──────────────────┐
│          Table Id(32)              │ Group(8) │   Sequence(24)   │
└────────────────────────────────────┴──────────┴──────────────────┘
                                        Region Number(32)

Tuple Fields§

§0: u64

Implementations§

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impl RegionId

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pub const fn new(table_id: TableId, region_number: RegionNumber) -> RegionId

Construct a new RegionId from table id and region number.

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pub const fn table_id(&self) -> TableId

Returns the table id of the region.

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pub const fn region_number(&self) -> RegionNumber

Returns the region number of the region.

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pub const fn region_group(&self) -> RegionGroup

Returns the group number of the region

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pub const fn region_sequence(&self) -> RegionSeq

Return the sequence number of the region

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pub const fn as_u64(&self) -> u64

Returns the region id as u64.

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pub const fn from_u64(id: u64) -> RegionId

Construct a new RegionId from u64.

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pub const fn with_group_and_seq( table_id: TableId, group: RegionGroup, seq: RegionSeq, ) -> RegionId

Construct a new RegionId from table id, region group and region sequence.

Trait Implementations§

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impl Clone for RegionId

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fn clone(&self) -> RegionId

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 RegionId

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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 RegionId

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fn default() -> RegionId

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for RegionId

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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 Display for RegionId

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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 From<RegionId> for u64

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fn from(region_id: RegionId) -> u64

Converts to this type from the input type.
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impl From<u64> for RegionId

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fn from(region_id: u64) -> RegionId

Converts to this type from the input type.
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impl Hash for RegionId

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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<RegionId> for u64

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fn eq(&self, other: &RegionId) -> 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 PartialEq<u64> for RegionId

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fn eq(&self, other: &u64) -> 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 PartialEq for RegionId

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

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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 Copy for RegionId

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impl Eq for RegionId

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impl StructuralPartialEq for RegionId

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default fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64
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