feophant 0.9.0

A SQL database server written in Rust and inspired by PostreSQL
Documentation 
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use super::Index;
use std::{
    fmt::{self, Display, Formatter},
    sync::Arc,
};

mod parse_constraint;

#[derive(Clone, Debug, PartialEq)]
pub enum Constraint {
    PrimaryKey(PrimaryKeyConstraint),
}

/// ConstraintMapper exists to map to SqlType without imposing the cost of an empty version
///
/// This will exist until this RFC is brought back: https://github.com/rust-lang/rfcs/pull/2593
#[derive(Clone, Debug, PartialEq)]
pub enum ConstraintMapper {
    PrimaryKey,
}

impl Display for ConstraintMapper {
    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
        write!(f, "PrimaryKey")
    }
}

#[derive(Clone, Debug, PartialEq)]
pub struct PrimaryKeyConstraint {
    pub name: String,
    pub index: Arc<Index>,
}