Trait scylla::frame::response::cql_to_rust::FromCqlVal

pub trait FromCqlVal<T>: Sized {
    // Required method
    fn from_cql(cql_val: T) -> Result<Self, FromCqlValError>;
}

This trait defines a way to convert CqlValue or Option<CqlValue> into some rust type

Required Methods

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

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl FromCqlVal<CqlValue> for IpAddr

fn from_cql(cql_val: CqlValue) -> Result<IpAddr, FromCqlValError>

impl FromCqlVal<CqlValue> for bool

fn from_cql(cql_val: CqlValue) -> Result<bool, FromCqlValError>

impl FromCqlVal<CqlValue> for f32

fn from_cql(cql_val: CqlValue) -> Result<f32, FromCqlValError>

impl FromCqlVal<CqlValue> for f64

fn from_cql(cql_val: CqlValue) -> Result<f64, FromCqlValError>

impl FromCqlVal<CqlValue> for i8

fn from_cql(cql_val: CqlValue) -> Result<i8, FromCqlValError>

impl FromCqlVal<CqlValue> for i16

fn from_cql(cql_val: CqlValue) -> Result<i16, 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 Vec<u8>

fn from_cql(cql_val: CqlValue) -> Result<Vec<u8>, FromCqlValError>

impl FromCqlVal<CqlValue> for BigDecimal

Available on crate feature bigdecimal-04 only.

fn from_cql(cql_val: CqlValue) -> Result<BigDecimal, FromCqlValError>

impl FromCqlVal<CqlValue> for DateTime<Utc>

Available on crate feature chrono only.

fn from_cql(cql_val: CqlValue) -> Result<DateTime<Utc>, FromCqlValError>

impl FromCqlVal<CqlValue> for NaiveDate

Available on crate feature chrono only.

fn from_cql(cql_val: CqlValue) -> Result<NaiveDate, FromCqlValError>

impl FromCqlVal<CqlValue> for NaiveTime

Available on crate feature chrono only.

fn from_cql(cql_val: CqlValue) -> Result<NaiveTime, FromCqlValError>

impl FromCqlVal<CqlValue> for BigInt

Available on crate feature num-bigint-04 only.

fn from_cql(cql_val: CqlValue) -> Result<BigInt, FromCqlValError>

impl FromCqlVal<CqlValue> for BigInt

Available on crate feature num-bigint-03 only.

fn from_cql(cql_val: CqlValue) -> Result<BigInt, FromCqlValError>

impl FromCqlVal<CqlValue> for Date

Available on crate feature time only.

fn from_cql(cql_val: CqlValue) -> Result<Date, FromCqlValError>

impl FromCqlVal<CqlValue> for OffsetDateTime

Available on crate feature time only.

fn from_cql(cql_val: CqlValue) -> Result<OffsetDateTime, FromCqlValError>

impl FromCqlVal<CqlValue> for Time

Available on crate feature time only.

fn from_cql(cql_val: CqlValue) -> Result<Time, FromCqlValError>

impl FromCqlVal<CqlValue> for Uuid

fn from_cql(cql_val: CqlValue) -> Result<Uuid, FromCqlValError>

impl<K, V> FromCqlVal<CqlValue> for BTreeMap<K, V>

where K: FromCqlVal<CqlValue> + Ord, V: FromCqlVal<CqlValue>,

fn from_cql(cql_val: CqlValue) -> Result<BTreeMap<K, V>, FromCqlValError>

impl<T1> FromCqlVal<CqlValue> for (T1,)

where T1: FromCqlVal<Option<CqlValue>>,

fn from_cql(cql_val: CqlValue) -> Result<(T1,), FromCqlValError>

impl<T1, T2> FromCqlVal<CqlValue> for (T1, T2)

where T1: FromCqlVal<Option<CqlValue>>, T2: FromCqlVal<Option<CqlValue>>,

fn from_cql(cql_val: CqlValue) -> Result<(T1, T2), FromCqlValError>

impl<T1, T2, T3> FromCqlVal<CqlValue> for (T1, T2, T3)

where T1: FromCqlVal<Option<CqlValue>>, T2: FromCqlVal<Option<CqlValue>>, T3: FromCqlVal<Option<CqlValue>>,

fn from_cql(cql_val: CqlValue) -> Result<(T1, T2, T3), FromCqlValError>

impl<T1, T2, T3> FromCqlVal<CqlValue> for HashMap<T1, T2, T3>

where T1: FromCqlVal<CqlValue> + Eq + Hash, T2: FromCqlVal<CqlValue>, T3: BuildHasher + Default,

fn from_cql(cql_val: CqlValue) -> Result<HashMap<T1, T2, T3>, FromCqlValError>

impl<T1, T2, T3, T4> FromCqlVal<CqlValue> for (T1, T2, T3, T4)

where T1: FromCqlVal<Option<CqlValue>>, T2: FromCqlVal<Option<CqlValue>>, T3: FromCqlVal<Option<CqlValue>>, T4: FromCqlVal<Option<CqlValue>>,

fn from_cql(cql_val: CqlValue) -> Result<(T1, T2, T3, T4), FromCqlValError>

impl<T1, T2, T3, T4, T5> FromCqlVal<CqlValue> for (T1, T2, T3, T4, T5)

where T1: FromCqlVal<Option<CqlValue>>, T2: FromCqlVal<Option<CqlValue>>, T3: FromCqlVal<Option<CqlValue>>, T4: FromCqlVal<Option<CqlValue>>, T5: FromCqlVal<Option<CqlValue>>,

fn from_cql(cql_val: CqlValue) -> Result<(T1, T2, T3, T4, T5), FromCqlValError>

impl<T1, T2, T3, T4, T5, T6> FromCqlVal<CqlValue> for (T1, T2, T3, T4, T5, T6)

where T1: FromCqlVal<Option<CqlValue>>, T2: FromCqlVal<Option<CqlValue>>, T3: FromCqlVal<Option<CqlValue>>, T4: FromCqlVal<Option<CqlValue>>, T5: FromCqlVal<Option<CqlValue>>, T6: FromCqlVal<Option<CqlValue>>,

fn from_cql( cql_val: CqlValue ) -> Result<(T1, T2, T3, T4, T5, T6), FromCqlValError>

impl<T1, T2, T3, T4, T5, T6, T7> FromCqlVal<CqlValue> for (T1, T2, T3, T4, T5, T6, T7)

where T1: FromCqlVal<Option<CqlValue>>, T2: FromCqlVal<Option<CqlValue>>, T3: FromCqlVal<Option<CqlValue>>, T4: FromCqlVal<Option<CqlValue>>, T5: FromCqlVal<Option<CqlValue>>, T6: FromCqlVal<Option<CqlValue>>, T7: FromCqlVal<Option<CqlValue>>,

fn from_cql( cql_val: CqlValue ) -> Result<(T1, T2, T3, T4, T5, T6, T7), FromCqlValError>

impl<T1, T2, T3, T4, T5, T6, T7, T8> FromCqlVal<CqlValue> for (T1, T2, T3, T4, T5, T6, T7, T8)

where T1: FromCqlVal<Option<CqlValue>>, T2: FromCqlVal<Option<CqlValue>>, T3: FromCqlVal<Option<CqlValue>>, T4: FromCqlVal<Option<CqlValue>>, T5: FromCqlVal<Option<CqlValue>>, T6: FromCqlVal<Option<CqlValue>>, T7: FromCqlVal<Option<CqlValue>>, T8: FromCqlVal<Option<CqlValue>>,

fn from_cql( cql_val: CqlValue ) -> Result<(T1, T2, T3, T4, T5, T6, T7, T8), FromCqlValError>

impl<T1, T2, T3, T4, T5, T6, T7, T8, T9> FromCqlVal<CqlValue> for (T1, T2, T3, T4, T5, T6, T7, T8, T9)

where T1: FromCqlVal<Option<CqlValue>>, T2: FromCqlVal<Option<CqlValue>>, T3: FromCqlVal<Option<CqlValue>>, T4: FromCqlVal<Option<CqlValue>>, T5: FromCqlVal<Option<CqlValue>>, T6: FromCqlVal<Option<CqlValue>>, T7: FromCqlVal<Option<CqlValue>>, T8: FromCqlVal<Option<CqlValue>>, T9: FromCqlVal<Option<CqlValue>>,

fn from_cql( cql_val: CqlValue ) -> Result<(T1, T2, T3, T4, T5, T6, T7, T8, T9), FromCqlValError>

impl<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> FromCqlVal<CqlValue> for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10)

where T1: FromCqlVal<Option<CqlValue>>, T2: FromCqlVal<Option<CqlValue>>, T3: FromCqlVal<Option<CqlValue>>, T4: FromCqlVal<Option<CqlValue>>, T5: FromCqlVal<Option<CqlValue>>, T6: FromCqlVal<Option<CqlValue>>, T7: FromCqlVal<Option<CqlValue>>, T8: FromCqlVal<Option<CqlValue>>, T9: FromCqlVal<Option<CqlValue>>, T10: FromCqlVal<Option<CqlValue>>,

fn from_cql( cql_val: CqlValue ) -> Result<(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10), FromCqlValError>

impl<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> FromCqlVal<CqlValue> for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)

where T1: FromCqlVal<Option<CqlValue>>, T2: FromCqlVal<Option<CqlValue>>, T3: FromCqlVal<Option<CqlValue>>, T4: FromCqlVal<Option<CqlValue>>, T5: FromCqlVal<Option<CqlValue>>, T6: FromCqlVal<Option<CqlValue>>, T7: FromCqlVal<Option<CqlValue>>, T8: FromCqlVal<Option<CqlValue>>, T9: FromCqlVal<Option<CqlValue>>, T10: FromCqlVal<Option<CqlValue>>, T11: FromCqlVal<Option<CqlValue>>,

fn from_cql( cql_val: CqlValue ) -> Result<(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11), FromCqlValError>

impl<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> FromCqlVal<CqlValue> for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12)

where T1: FromCqlVal<Option<CqlValue>>, T2: FromCqlVal<Option<CqlValue>>, T3: FromCqlVal<Option<CqlValue>>, T4: FromCqlVal<Option<CqlValue>>, T5: FromCqlVal<Option<CqlValue>>, T6: FromCqlVal<Option<CqlValue>>, T7: FromCqlVal<Option<CqlValue>>, T8: FromCqlVal<Option<CqlValue>>, T9: FromCqlVal<Option<CqlValue>>, T10: FromCqlVal<Option<CqlValue>>, T11: FromCqlVal<Option<CqlValue>>, T12: FromCqlVal<Option<CqlValue>>,

fn from_cql( cql_val: CqlValue ) -> Result<(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12), FromCqlValError>

impl<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13> FromCqlVal<CqlValue> for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13)

where T1: FromCqlVal<Option<CqlValue>>, T2: FromCqlVal<Option<CqlValue>>, T3: FromCqlVal<Option<CqlValue>>, T4: FromCqlVal<Option<CqlValue>>, T5: FromCqlVal<Option<CqlValue>>, T6: FromCqlVal<Option<CqlValue>>, T7: FromCqlVal<Option<CqlValue>>, T8: FromCqlVal<Option<CqlValue>>, T9: FromCqlVal<Option<CqlValue>>, T10: FromCqlVal<Option<CqlValue>>, T11: FromCqlVal<Option<CqlValue>>, T12: FromCqlVal<Option<CqlValue>>, T13: FromCqlVal<Option<CqlValue>>,

fn from_cql( cql_val: CqlValue ) -> Result<(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13), FromCqlValError>

impl<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14> FromCqlVal<CqlValue> for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14)

where T1: FromCqlVal<Option<CqlValue>>, T2: FromCqlVal<Option<CqlValue>>, T3: FromCqlVal<Option<CqlValue>>, T4: FromCqlVal<Option<CqlValue>>, T5: FromCqlVal<Option<CqlValue>>, T6: FromCqlVal<Option<CqlValue>>, T7: FromCqlVal<Option<CqlValue>>, T8: FromCqlVal<Option<CqlValue>>, T9: FromCqlVal<Option<CqlValue>>, T10: FromCqlVal<Option<CqlValue>>, T11: FromCqlVal<Option<CqlValue>>, T12: FromCqlVal<Option<CqlValue>>, T13: FromCqlVal<Option<CqlValue>>, T14: FromCqlVal<Option<CqlValue>>,

fn from_cql( cql_val: CqlValue ) -> Result<(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14), FromCqlValError>

impl<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15> FromCqlVal<CqlValue> for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15)

where T1: FromCqlVal<Option<CqlValue>>, T2: FromCqlVal<Option<CqlValue>>, T3: FromCqlVal<Option<CqlValue>>, T4: FromCqlVal<Option<CqlValue>>, T5: FromCqlVal<Option<CqlValue>>, T6: FromCqlVal<Option<CqlValue>>, T7: FromCqlVal<Option<CqlValue>>, T8: FromCqlVal<Option<CqlValue>>, T9: FromCqlVal<Option<CqlValue>>, T10: FromCqlVal<Option<CqlValue>>, T11: FromCqlVal<Option<CqlValue>>, T12: FromCqlVal<Option<CqlValue>>, T13: FromCqlVal<Option<CqlValue>>, T14: FromCqlVal<Option<CqlValue>>, T15: FromCqlVal<Option<CqlValue>>,

fn from_cql( cql_val: CqlValue ) -> Result<(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15), FromCqlValError>

impl<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16> FromCqlVal<CqlValue> for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16)

where T1: FromCqlVal<Option<CqlValue>>, T2: FromCqlVal<Option<CqlValue>>, T3: FromCqlVal<Option<CqlValue>>, T4: FromCqlVal<Option<CqlValue>>, T5: FromCqlVal<Option<CqlValue>>, T6: FromCqlVal<Option<CqlValue>>, T7: FromCqlVal<Option<CqlValue>>, T8: FromCqlVal<Option<CqlValue>>, T9: FromCqlVal<Option<CqlValue>>, T10: FromCqlVal<Option<CqlValue>>, T11: FromCqlVal<Option<CqlValue>>, T12: FromCqlVal<Option<CqlValue>>, T13: FromCqlVal<Option<CqlValue>>, T14: FromCqlVal<Option<CqlValue>>, T15: FromCqlVal<Option<CqlValue>>, T16: FromCqlVal<Option<CqlValue>>,

fn from_cql( cql_val: CqlValue ) -> Result<(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16), FromCqlValError>

impl<T> FromCqlVal<CqlValue> for BTreeSet<T>

where T: FromCqlVal<CqlValue> + Ord,

fn from_cql(cql_val: CqlValue) -> Result<BTreeSet<T>, FromCqlValError>

impl<T> FromCqlVal<CqlValue> for Vec<T>

where T: FromCqlVal<CqlValue>,

fn from_cql(cql_val: CqlValue) -> Result<Vec<T>, FromCqlValError>

impl<T> FromCqlVal<Option<CqlValue>> for Option<T>

where T: FromCqlVal<CqlValue>,

fn from_cql(cql_val_opt: Option<CqlValue>) -> Result<Option<T>, FromCqlValError>

impl<T, S> FromCqlVal<CqlValue> for HashSet<T, S>

where T: FromCqlVal<CqlValue> + Eq + Hash, S: BuildHasher + Default,

fn from_cql(cql_val: CqlValue) -> Result<HashSet<T, S>, FromCqlValError>

impl<V> FromCqlVal<CqlValue> for Secret<V>

where V: FromCqlVal<CqlValue> + Zeroize,

Available on crate feature secret only.

fn from_cql(cql_val: CqlValue) -> Result<Secret<V>, FromCqlValError>

impl<const N: usize> FromCqlVal<CqlValue> for [u8; N]

fn from_cql(cql_val: CqlValue) -> Result<[u8; N], FromCqlValError>

Implementors

impl FromCqlVal<CqlValue> for CqlValue

impl FromCqlVal<CqlValue> for Counter

impl FromCqlVal<CqlValue> for CqlDate

impl FromCqlVal<CqlValue> for CqlDecimal

impl FromCqlVal<CqlValue> for CqlDuration

impl FromCqlVal<CqlValue> for CqlTime

impl FromCqlVal<CqlValue> for CqlTimestamp

impl FromCqlVal<CqlValue> for CqlTimeuuid

impl FromCqlVal<CqlValue> for CqlVarint

impl<T> FromCqlVal<Option<CqlValue>> for T

where T: FromCqlVal<CqlValue>,