rustango 0.14.2

Django-shaped web framework for Rust: ORM, migrations, auto-admin, multi-tenancy, audit log.
Documentation 
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//! Error types shared between the query and SQL layers.

use super::FieldType;

/// Error raised while building or compiling a `QuerySet`.
#[derive(Debug, thiserror::Error, PartialEq, Eq)]
pub enum QueryError {
    #[error("model `{model}` has no field `{field}`")]
    UnknownField { model: &'static str, field: String },

    #[error("field `{model}.{field}` is type {expected}, but the bound value is type {actual}")]
    TypeMismatch {
        model: &'static str,
        field: String,
        expected: FieldType,
        actual: FieldType,
    },

    #[error("field `{model}.{field}` exceeds max_length {max} (got {actual})")]
    MaxLengthExceeded {
        model: &'static str,
        field: String,
        max: u32,
        actual: u32,
    },

    #[error(
        "field `{model}.{field}` value {value} is out of range (min = {min:?}, max = {max:?})"
    )]
    OutOfRange {
        model: &'static str,
        field: String,
        value: i64,
        min: Option<i64>,
        max: Option<i64>,
    },

    /// `QuerySet::select_related("foo")` couldn't be lowered: the
    /// field doesn't exist, isn't a `ForeignKey<T>`, the target
    /// table isn't registered in `inventory`, or the target has no
    /// primary key. Slice 9.0d.
    #[error("select_related(`{field}`) on model `{model}` is invalid: {reason}")]
    SelectRelatedInvalid {
        model: &'static str,
        field: String,
        reason: String,
    },
}