Trait scylla::frame::response::cql_to_rust::FromCQLVal

pub trait FromCQLVal<T>: Sized {
    fn from_cql(cql_val: T) -> Result<Self, FromCQLValError>;
}

This trait defines a way to convert CQLValue or Option into some rust type

Required methods

fn from_cql(cql_val: T) -> Result<Self, FromCQLValError>

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Implementations on Foreign Types

impl<T: FromCQLVal<CQLValue>> FromCQLVal<Option<CQLValue>> for Option<T>

fn from_cql(cql_val_opt: Option<CQLValue>) -> Result<Self, FromCQLValError>

impl FromCQLVal<CQLValue> for i32

fn from_cql(cql_val: CQLValue) -> Result<i32, FromCQLValError>

impl FromCQLVal<CQLValue> for i64

fn from_cql(cql_val: CQLValue) -> Result<i64, FromCQLValError>

impl FromCQLVal<CQLValue> for String

fn from_cql(cql_val: CQLValue) -> Result<String, FromCQLValError>

impl FromCQLVal<CQLValue> for IpAddr

fn from_cql(cql_val: CQLValue) -> Result<IpAddr, FromCQLValError>

impl<T: FromCQLVal<CQLValue>> FromCQLVal<CQLValue> for Vec<T>

fn from_cql(cql_val: CQLValue) -> Result<Self, FromCQLValError>

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Implementors

impl<T: FromCQLVal<CQLValue>> FromCQLVal<Option<CQLValue>> for T

fn from_cql(cql_val_opt: Option<CQLValue>) -> Result<Self, FromCQLValError>

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