[−][src]Trait pgx::datum::IntoDatum
Convert a Rust type into a pg_sys::Datum
.
Default implementations are provided for the common Rust types.
If implementing this, also implement FromDatum
for the reverse
conversion.
Note that any conversions that need to allocate memory (ie, for a varlena *
representation
of a Rust type, that memory must be allocated within a [PgMemoryContext]
Required methods
fn into_datum(self) -> Option<Datum>
fn type_oid() -> Oid
Provided methods
fn array_type_oid() -> Oid
Implementations on Foreign Types
impl<T> IntoDatum for Vec<T> where
T: IntoDatum,
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T: IntoDatum,
impl IntoDatum for BOX
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impl IntoDatum for Point
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impl<T> IntoDatum for Option<T> where
T: IntoDatum,
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T: IntoDatum,
for supporting NULL as the None value of an Option
impl IntoDatum for bool
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for bool
impl IntoDatum for i8
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for "char"
impl IntoDatum for i16
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for smallint
impl IntoDatum for i32
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for integer
impl IntoDatum for u32
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for oid
impl IntoDatum for i64
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for bigint
impl IntoDatum for f32
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for real
impl IntoDatum for f64
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for double precision
impl<'a> IntoDatum for &'a str
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for text, varchar
impl IntoDatum for String
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impl<'_> IntoDatum for &'_ String
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impl IntoDatum for char
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impl<'a> IntoDatum for &'a CStr
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impl<'a> IntoDatum for &'a [u8]
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for bytea
impl IntoDatum for Vec<u8>
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impl IntoDatum for ()
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for NULL -- always converts to None
impl IntoDatum for Datum
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impl IntoDatum for ItemPointerData
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impl<A, B> IntoDatum for (Option<A>, Option<B>) where
A: IntoDatum,
B: IntoDatum,
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A: IntoDatum,
B: IntoDatum,
impl<A, B, C> IntoDatum for (Option<A>, Option<B>, Option<C>) where
A: IntoDatum,
B: IntoDatum,
C: IntoDatum,
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Loading content...A: IntoDatum,
B: IntoDatum,
C: IntoDatum,
Implementors
impl IntoDatum for PgOid
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impl IntoDatum for AnyArray
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impl IntoDatum for AnyElement
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impl IntoDatum for Date
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impl IntoDatum for Inet
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impl IntoDatum for Json
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for json
impl IntoDatum for JsonB
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for jsonb
impl IntoDatum for JsonString
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for jsonstring
impl IntoDatum for Numeric
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impl IntoDatum for Time
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impl IntoDatum for TimeWithTimeZone
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impl IntoDatum for Timestamp
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impl IntoDatum for TimestampWithTimeZone
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impl IntoDatum for PgRelation
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impl<T> IntoDatum for PgVarlena<T> where
T: Copy + Sized,
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T: Copy + Sized,
impl<T> IntoDatum for PgBox<T>
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for user types
impl<T> IntoDatum for T where
T: PostgresType + Serialize,
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T: PostgresType + Serialize,