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engine/

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Versions in this module

v0

v0.1.4

Jul 24, 2024

v0.1.3

Oct 5, 2023

v0.1.2

Aug 25, 2023

v0.1.1

Aug 21, 2023

v0.1.0

Aug 17, 2023

v0.0.1

May 31, 2023

Changes in this version

+ var TruePredicate = Predicate

+ func TrueOperator(leftValue Value, rightValue Value) bool

+ type Attribute struct

+ func NewAttribute(name string, typeName string, autoIncrement bool) Attribute

+ type Domain struct

+ type Engine struct

+ func New(endpoint protocol.EngineEndpoint) (e *Engine, err error)

+ func (e *Engine) Stop()

+ type Operator func(leftValue Value, rightValue Value) bool

+ func NewOperator(token int, lexeme string) (Operator, error)

+ type Predicate struct

+ LeftValue Value

+ Operator Operator

+ RightValue Value

+ True bool

+ func (p *Predicate) Eval(row virtualRow) (bool, error)

+ func (p *Predicate) Evaluate(t *Tuple, table *Table) (bool, error)

+ func (p Predicate) String() string

+ type PredicateLinker interface

+ Eval func(v virtualRow) (bool, error)

+ type Relation struct

+ func NewRelation(t *Table) *Relation

+ func (r *Relation) Insert(t *Tuple) error

+ type Table struct

+ func NewTable(name string) *Table

+ func (t *Table) AddAttribute(attr Attribute) error

+ func (t Table) String() string

+ type Tuple struct

+ Values []interface{}

+ func NewTuple(values ...interface{}) *Tuple

+ func (t *Tuple) Append(value interface{})

+ type Value struct