Sha256: 7a0185d671624c3b5134119013091ec15a1895a461e9ba42e5c6e7b275e5d6ea
Contents?: true
Size: 878 Bytes
Versions: 2
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Stored size: 878 Bytes
Contents
# encoding: utf-8 require 'spec_helper' describe Optimizer::Algebra::Projection::ProjectionOperand, '#optimizable?' do subject { object.optimizable? } let(:header) { Relation::Header.coerce([[:id, Integer], [:name, String], [:age, Integer]]) } let(:base) { Relation.new(header, LazyEnumerable.new([[1, 'Dan Kubb', 35]])) } let(:relation) { operand.project([:id]) } let(:object) { described_class.new(relation) } before do expect(object.operation).to be_kind_of(Algebra::Projection) end context 'when the operand is a projection' do let(:operand) { base.project([:id, :name]) } it { should be(true) } end context 'when the operand is not a projection' do let(:operand) { base } it { should be(false) } end end
Version data entries
2 entries across 2 versions & 1 rubygems