Struct diesel::sql_types::Nullable[][src]

pub struct Nullable<ST>(_);
Expand description

The nullable SQL type.

This wraps another SQL type to indicate that it can be null. By default all values are assumed to be NOT NULL.

ToSql impls

  • Any T which implements ToSql<ST>
  • Option<T> for any T which implements ToSql<ST>

FromSql impls

  • Option<T> for any T which implements FromSql<ST>

Trait Implementations

The SQL type which can be added to this one

The SQL type of the result of adding Rhs to Self

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Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Formats the value using the given formatter. Read more

Returns the “default value” for a type. Read more

The SQL type which this one can be divided by

The SQL type of the result of dividing Self by Rhs

The SQL type of sum(this_type)

The SQL type of avg(this_type)

See the trait documentation.

A specialized variant of from_sql for handling null values. Read more

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

See the trait documentation

Fetch the metadata for the given type Read more

The not nullable representation of this type. Read more

The nullable representation of this type. Read more

The SQL type which this can be multiplied by

The SQL type of the result of multiplying Self by Rhs

A type which uniquely represents Self in a SQL query. Read more

Can the SQL generated by Self be uniquely identified by its type? Read more

Returns the type id of Self::QueryId if Self::HAS_STATIC_QUERY_ID. Returns None otherwise. Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The exact return value of this function is considerded to be a backend specific implementation detail. You should not rely on those values if you not own the corresponding backend Read more

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

The Rust type you’d like to map from. Read more

Construct an instance of this type

Is this type nullable? Read more

The SQL type which can be subtracted from this one

The SQL type of the result of subtracting Rhs from Self

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

See the trait documentation.

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See the trait documentation.