Struct RuleSetBuilder

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pub struct RuleSetBuilder<'outer> { /* private fields */ }

Expand description

Builder for a RuleSet.

See Database::new_rule_set for more information.

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impl<'outer> RuleSetBuilder<'outer>

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pub fn new(db: &'outer mut Database) -> Self

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pub fn estimate_size(&self, table: TableId, c: Option<Constraint>) -> usize

Estimate the size of the subset of the table matching the given constraint.

This is a wrapper around the Database::estimate_size method.

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pub fn new_rule<'a>(&'a mut self) -> QueryBuilder<'outer, 'a>

Add a rule to this rule set.

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pub fn add_rule_from_cached_plan( &mut self, cached: &CachedPlan, extra_constraints: &[(AtomId, Constraint)], ) -> RuleId

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pub fn build(self) -> RuleSet

Build the ruleset.

Auto Trait Implementations§

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impl<'outer> !UnwindSafe for RuleSetBuilder<'outer>

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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where T: ?Sized,

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impl<T> BorrowMut<T> for T
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fn borrow_mut(&mut self) -> &mut T

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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