Enum DbValue 

pub enum DbValue {
    Null,
    Integer(i64),
    Text(String),
    Blob(Vec<u8>),
    Uuid([u8; 16]),
}

A Db value — used for both parameters and query results.

Variants

Null

SQL NULL.

Integer(i64)

Signed 64-bit integer.

Text(String)

UTF-8 text.

Blob(Vec<u8>)

Raw byte string.

Uuid([u8; 16])

16-byte UUID.

Implementations

impl DbValue

pub fn from_u64(value: u64) -> Result<Self, DbError>

Build an Integer from a u64, erroring when it exceeds i64::MAX. SQL backends store signed 64-bit integers and the HLC persist guard merges them with a signed MAX/GREATEST, so a value past i64::MAX could neither round-trip nor order correctly — reject it rather than silently wrap to a negative. Use this everywhere a u64 (packed HLC timestamp, counter, …) is bound into SQL instead of a raw as i64 cast. The real clock stays far below the bound (millis below 2^47, ~year 6400).

Trait Implementations

impl Clone for DbValue

fn clone(&self) -> DbValue

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DbValue

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

Formats the value using the given formatter.

impl PartialEq for DbValue

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