Sha256: ae990b3ab3dbf9019dab21c2c0776563360ac60f1ddf2c80580a5cc4253f053a
Contents?: true
Size: 850 Bytes
Versions: 4
Compression:
Stored size: 850 Bytes
Contents
# encoding: utf-8 require 'spec_helper' describe Optimizer::Algebra::Projection::UnoptimizedOperand, '#optimizable?' do subject { object.optimizable? } let(:header) { Relation::Header.new([ [ :id, Integer ], [ :name, String ] ]) } let(:base) { Relation.new(header, [ [ 1, 'Dan Kubb' ] ].each) } let(:relation) { operand.project([ :id ]) } let(:object) { described_class.new(relation) } before do object.operation.should be_kind_of(Algebra::Projection) end context 'when the operand is optimizable' do let(:operand) { base.restrict { Function::Proposition::Tautology.instance } } it { should be(true) } end context 'when the operand is not optimizable' do let(:operand) { base } it { should be(false) } end end
Version data entries
4 entries across 4 versions & 1 rubygems