Enum DeltaPredicate 

pub enum DeltaPredicate {
    Boolean(bool),
    Compare {
        column: String,
        op: DeltaComparison,
        value: DeltaScalar,
    },
    IsNull {
        column: String,
    },
    IsNotNull {
        column: String,
    },
    And(Vec<DeltaPredicate>),
    Or(Vec<DeltaPredicate>),
    Not(Box<DeltaPredicate>),
}

Query-engine-neutral Delta predicate.

Variants

Boolean(bool)

Constant Boolean predicate.

Compare

Compare a column with a non-null scalar value.

Fields

column: String

Unqualified top-level logical column name.

op: DeltaComparison

Comparison operation.

value: DeltaScalar

Non-null scalar value.

IsNull

Test whether a column value is null.

Fields

column: String

Unqualified top-level logical column name.

IsNotNull

Test whether a column value is not null.

Fields

column: String

Unqualified top-level logical column name.

And(Vec<DeltaPredicate>)

Logical conjunction.

Or(Vec<DeltaPredicate>)

Logical disjunction.

Not(Box<DeltaPredicate>)

Logical negation.

Trait Implementations

impl Clone for DeltaPredicate

fn clone(&self) -> DeltaPredicate

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DeltaPredicate

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for DeltaPredicate

fn eq(&self, other: &DeltaPredicate) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for DeltaPredicate