Trait Expression 

pub trait Expression:
    Send
    + Sync
    + Debug {
    // Required method
    fn expression_type(&self) -> ExpressionType<'_>;

    // Provided methods
    fn params(&self) -> Option<Vec<&DatabaseValue>> { ... }
    fn values(&self) -> Option<Vec<&DatabaseValue>> { ... }
    fn is_null(&self) -> bool { ... }
}

Required Methods

fn expression_type(&self) -> ExpressionType<'_>

Provided Methods

fn params(&self) -> Option<Vec<&DatabaseValue>>

fn values(&self) -> Option<Vec<&DatabaseValue>>

fn is_null(&self) -> bool

Trait Implementations

impl From<Identifier> for Box<dyn Expression>

fn from(val: Identifier) -> Self

Converts to this type from the input type.

impl From<Literal> for Box<dyn Expression>

fn from(val: Literal) -> Self

Converts to this type from the input type.

impl<T: Into<DatabaseValue>> From<T> for Box<dyn Expression>

fn from(value: T) -> Self

Converts to this type from the input type.

Implementors

impl Expression for DatabaseValue

impl Expression for switchy_database::postgres::postgres::PgDatabaseValue

impl Expression for RusqliteDatabaseValue

impl Expression for MySqlDatabaseValue

impl Expression for switchy_database::sqlx::postgres::PgDatabaseValue

impl Expression for SqliteDatabaseValue

impl Expression for And

impl Expression for Coalesce

impl Expression for Eq

impl Expression for Gt

impl Expression for Gte

impl Expression for Identifier

impl Expression for In<'_>

impl Expression for InList

impl Expression for Join<'_>

impl Expression for Literal

impl Expression for Lt

impl Expression for Lte

impl Expression for NotEq

impl Expression for NotIn<'_>

impl Expression for Or

impl Expression for SelectQuery<'_>

impl Expression for Sort