Enum JsonbSqlCast 

#[non_exhaustive]
pub enum JsonbSqlCast {
    Int2,
    Int4,
    Int8,
    Float4,
    Float8,
    Boolean,
    Timestamptz,
    Date,
    Uuid,
    Numeric,
    Interval,
}

Closed taxonomy of Postgres casts a JSONB path LHS can wear. Jsonb<T> path extraction ((col->...->>'key')) always yields TEXT. To compare against a numeric, temporal, UUID, decimal, interval, or network bind value, the LHS must be cast to the matching Postgres type before the comparison runs — otherwise Postgres compares as text and '10' < '9' because text ordering is lexicographic, not numeric. This enum is the typed public API surface for that cast metadata. Adopter-supplied wrapper types delegate JSONB cast selection through the value-typed IntoFilterValue::jsonb_sql_cast trait method, which returns a variant of this enum — never a free-form SQL string. That keeps every cast that ever reaches the SQL emitter constrained to the closed set below.

Variants

• Int2: ::int2 — i8 / i16 / u8 widening.
• Int4: ::int4 — i32 / u16 widening.
• Int8: ::int8 — i64 / u32 widening / HeerId family.
• Float4: ::float4 — f32.
• Float8: ::float8 — f64.
• Boolean: ::boolean.
• Timestamptz: ::timestamptz — time::OffsetDateTime.
• Date: ::date — time::Date.
• Uuid: ::uuid — uuid::Uuid / RanjId family.
• Numeric: ::numeric — rust_decimal::Decimal, u64.
• Interval: ::interval — djogi::Interval.
• Inet: ::inet — std::net::IpAddr (network feature only).
• Cidr: ::cidr — djogi::CidrAddr (network feature only).
• Macaddr: ::macaddr — djogi::MacAddr (network feature only). The enum is #[non_exhaustive] so future Postgres-cast surface (e.g. ::bytea, ::tstzrange, …) can be added without a SemVer break on downstream matches.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Int2

::int2 (Postgres SMALLINT, 16-bit signed).

Int4

::int4 (Postgres INTEGER, 32-bit signed).

Int8

::int8 (Postgres BIGINT, 64-bit signed).

Float4

::float4 (Postgres REAL, 32-bit IEEE 754).

Float8

::float8 (Postgres DOUBLE PRECISION, 64-bit IEEE 754).

Boolean

::boolean.

Timestamptz

::timestamptz (Postgres TIMESTAMP WITH TIME ZONE).

Date

::date.

Uuid

::uuid.

Numeric

::numeric (Postgres exact-precision decimal).

Interval

::interval.

Trait Implementations

impl Clone for JsonbSqlCast

fn clone(&self) -> JsonbSqlCast

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for JsonbSqlCast

impl Debug for JsonbSqlCast

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

Formats the value using the given formatter.

impl Eq for JsonbSqlCast

impl Hash for JsonbSqlCast

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

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for JsonbSqlCast

fn eq(&self, other: &JsonbSqlCast) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for JsonbSqlCast