Enum mentat_query_sql::Constraint

pub enum Constraint {
    Infix {
        op: Op,
        left: ColumnOrExpression,
        right: ColumnOrExpression,
    },
    Or {
        constraints: Vec<Constraint>,
    },
    And {
        constraints: Vec<Constraint>,
    },
    In {
        left: ColumnOrExpression,
        list: Vec<ColumnOrExpression>,
    },
    IsNull {
        value: ColumnOrExpression,
    },
    IsNotNull {
        value: ColumnOrExpression,
    },
    NotExists {
        subquery: TableOrSubquery,
    },
    TypeCheck {
        value: ColumnOrExpression,
        affinity: SQLTypeAffinity,
    },
}

Variants

Infix

Fields of Infix

op: Op
left: ColumnOrExpression
right: ColumnOrExpression

Or

Fields of Or

constraints: Vec<Constraint>

And

Fields of And

constraints: Vec<Constraint>

In

Fields of In

left: ColumnOrExpression
list: Vec<ColumnOrExpression>

IsNull

Fields of IsNull

value: ColumnOrExpression

IsNotNull

Fields of IsNotNull

value: ColumnOrExpression

NotExists

Fields of NotExists

subquery: TableOrSubquery

TypeCheck

Fields of TypeCheck

value: ColumnOrExpression
affinity: SQLTypeAffinity

Methods

impl Constraint

pub fn not_equal(     left: ColumnOrExpression,     right: ColumnOrExpression ) -> Constraint

pub fn equal(left: ColumnOrExpression, right: ColumnOrExpression) -> Constraint

pub fn fulltext_match(     left: ColumnOrExpression,     right: ColumnOrExpression ) -> Constraint

Trait Implementations

impl QueryFragment for Constraint

fn push_sql(&self, out: &mut QueryBuilder) -> BuildQueryResult