Struct SqlValue 

pub struct SqlValue { /* private fields */ }

An opaque representation of a BigQuery SQL cell value.

Passed to FromSql::from_value when converting query result cells into Rust types.

Implementations

impl SqlValue

pub fn take<T: FromSql, I: ColumnIndex>( &mut self, index: I, ) -> Result<T, ConvertError>

Takes ownership of a field by name (&str) or zero-based index (usize) from a STRUCT, ARRAY, or JSON value and converts it to T.

Used by the #[derive(FromSql)] macro to extract struct fields.

Trait Implementations

impl Clone for SqlValue

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SqlValue

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

Formats the value using the given formatter.