Trait scylla_cql::frame::response::cql_to_rust::FromCqlVal

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pub trait FromCqlVal<T>: Sized {
    // Required method
    fn from_cql(cql_val: T) -> Result<Self, FromCqlValError>;
}
👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
Expand description

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

Required Methods§

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon

Object Safety§

This trait is not object safe.

Implementations on Foreign Types§

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impl FromCqlVal<CqlValue> for IpAddr

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl FromCqlVal<CqlValue> for bool

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl FromCqlVal<CqlValue> for f32

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl FromCqlVal<CqlValue> for f64

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl FromCqlVal<CqlValue> for i8

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl FromCqlVal<CqlValue> for i16

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl FromCqlVal<CqlValue> for i32

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fn from_cql(cql_val: CqlValue) -> Result<i32, FromCqlValError>

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl FromCqlVal<CqlValue> for i64

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fn from_cql(cql_val: CqlValue) -> Result<i64, FromCqlValError>

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl FromCqlVal<CqlValue> for Uuid

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl FromCqlVal<CqlValue> for String

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl FromCqlVal<CqlValue> for Vec<u8>

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl<K: FromCqlVal<CqlValue> + Ord, V: FromCqlVal<CqlValue>> FromCqlVal<CqlValue> for BTreeMap<K, V>

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl<T1> FromCqlVal<CqlValue> for (T1,)
where T1: FromCqlVal<Option<CqlValue>>,

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl<T1, T2> FromCqlVal<CqlValue> for (T1, T2)
where T1: FromCqlVal<Option<CqlValue>>, T2: FromCqlVal<Option<CqlValue>>,

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl<T1, T2, T3> FromCqlVal<CqlValue> for (T1, T2, T3)
where T1: FromCqlVal<Option<CqlValue>>, T2: FromCqlVal<Option<CqlValue>>, T3: FromCqlVal<Option<CqlValue>>,

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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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>>,

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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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>>,

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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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>>,

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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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>>,

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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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>>,

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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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>>,

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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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>>,

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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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>>,

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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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>>,

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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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>>,

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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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>>,

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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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>>,

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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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>>,

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl<T1: FromCqlVal<CqlValue> + Eq + Hash, T2: FromCqlVal<CqlValue>, T3: BuildHasher + Default> FromCqlVal<CqlValue> for HashMap<T1, T2, T3>

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl<T: FromCqlVal<CqlValue> + Eq + Hash, S: BuildHasher + Default> FromCqlVal<CqlValue> for HashSet<T, S>

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl<T: FromCqlVal<CqlValue> + Ord> FromCqlVal<CqlValue> for BTreeSet<T>

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl<T: FromCqlVal<CqlValue>> FromCqlVal<CqlValue> for Vec<T>

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl<T: FromCqlVal<CqlValue>> FromCqlVal<Option<CqlValue>> for Option<T>

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon
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impl<const N: usize> FromCqlVal<CqlValue> for [u8; N]

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

👎Deprecated since 0.15.0: Legacy deserialization API is inefficient and is going to be removed soon

Implementors§