//! Common enums

/// The position of the wildcard(s)
/// for a `like` clause
#[derive(Debug)]
pub enum LikeWildcard {
    /// Wildcard before search term
    /// eg. `%foo`
    Before,

    /// Wildcard after the search term
    /// eg. `foo%`
    After,

    /// Wildcards surrounding the search term
    /// eg. `%foo%`
    Both,
}

/// The type of SQL join
#[derive(Debug)]
pub enum JoinType {
    /// A `CROSS` join
    Cross,
    /// An `INNER` join
    Inner,
    /// An `OUTER` join
    Outer,
    /// A `LEFT (OUTER)` join
    Left,
    /// A `RIGHT (OUTER)` join
    Right,
}

/// The sort direction
#[derive(Debug, PartialEq)]
pub enum OrderDirection {
    /// Sort Ascending
    Asc,
    /// Sort Descending
    Desc,
    /// Random Sort (Not yet implemented!)
    Rand,
}

/// The type of Query Clause
#[derive(Debug, PartialEq)]
pub enum QueryClauseType {
    /// Ending a parenthetical grouping
    GroupEnd,
    /// Starting a parenthetical grouping
    GroupStart,
    /// A having clause
    Having,
    /// A join clause
    Join,
    /// A like clause
    Like,
    /// A where clause
    Where,
    /// A where in clause
    WhereIn,
}