Sha256: a8abbece24be79b49b8a5b4430bfa93de283eb7fb9a8128e54db8887664ecf0b
Contents?: true
Size: 916 Bytes
Versions: 4
Compression:
Stored size: 916 Bytes
Contents
# encoding: utf-8 require 'spec_helper' describe Optimizer::Algebra::Restriction::RestrictionOperand, '#optimizable?' do subject { object.optimizable? } let(:header) { Relation::Header.new([ [ :id, Integer ] ]) } let(:base) { Relation.new(header, [ [ 1 ] ].each) } let(:predicate) { header[:id].eq(1) } let(:relation) { operand.restrict { predicate } } let(:object) { described_class.new(relation) } before do object.operation.should be_kind_of(Algebra::Restriction) end context 'when the operand is an restriction operation' do let(:other_predicate) { header[:id].include([ 1 ]) } let(:operand) { base.restrict { other_predicate } } it { should be(true) } end context 'when the operand is not a restriction operation' do let(:operand) { base } it { should be(false) } end end
Version data entries
4 entries across 4 versions & 1 rubygems