toasty-core 0.5.0

Core types, schema representations, and driver interface for Toasty
Documentation 
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/// A database enum type with a set of allowed values.
///
/// - On PostgreSQL, this maps to a `CREATE TYPE <name> AS ENUM (...)` named type.
/// - On MySQL, this maps to an inline `ENUM('a', 'b', ...)` column type.
/// - On SQLite, this maps to `TEXT` with a `CHECK` constraint.
/// - On DynamoDB, this is stored as a plain string attribute.
#[derive(Debug, Clone, PartialEq)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct TypeEnum {
    /// The type name used by PostgreSQL (`CREATE TYPE <name> AS ENUM`).
    /// `None` for MySQL (inline) and SQLite (CHECK constraint).
    pub name: Option<String>,
    /// Allowed values in declaration order.
    pub variants: Vec<EnumVariant>,
}

/// A single variant in a database enum type.
#[derive(Debug, Clone, PartialEq)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct EnumVariant {
    /// The string label for this variant (e.g. `'low'`).
    pub name: String,
}