diff options
Diffstat (limited to 'activerecord/test/cases/arel/visitors/oracle12_test.rb')
-rw-r--r-- | activerecord/test/cases/arel/visitors/oracle12_test.rb | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/activerecord/test/cases/arel/visitors/oracle12_test.rb b/activerecord/test/cases/arel/visitors/oracle12_test.rb new file mode 100644 index 0000000000..ef2050b7c9 --- /dev/null +++ b/activerecord/test/cases/arel/visitors/oracle12_test.rb @@ -0,0 +1,60 @@ +# frozen_string_literal: true +require_relative '../helper' + +module Arel + module Visitors + class Oracle12Test < Arel::Spec + before do + @visitor = Oracle12.new Table.engine.connection + @table = Table.new(:users) + end + + def compile node + @visitor.accept(node, Collectors::SQLString.new).value + end + + it 'modified except to be minus' do + left = Nodes::SqlLiteral.new("SELECT * FROM users WHERE age > 10") + right = Nodes::SqlLiteral.new("SELECT * FROM users WHERE age > 20") + sql = compile Nodes::Except.new(left, right) + sql.must_be_like %{ + ( SELECT * FROM users WHERE age > 10 MINUS SELECT * FROM users WHERE age > 20 ) + } + end + + it 'generates select options offset then limit' do + stmt = Nodes::SelectStatement.new + stmt.offset = Nodes::Offset.new(1) + stmt.limit = Nodes::Limit.new(10) + sql = compile(stmt) + sql.must_be_like "SELECT OFFSET 1 ROWS FETCH FIRST 10 ROWS ONLY" + end + + describe 'locking' do + it 'generates ArgumentError if limit and lock are used' do + stmt = Nodes::SelectStatement.new + stmt.limit = Nodes::Limit.new(10) + stmt.lock = Nodes::Lock.new(Arel.sql('FOR UPDATE')) + assert_raises ArgumentError do + compile(stmt) + end + end + + it 'defaults to FOR UPDATE when locking' do + node = Nodes::Lock.new(Arel.sql('FOR UPDATE')) + compile(node).must_be_like "FOR UPDATE" + end + end + + describe "Nodes::BindParam" do + it "increments each bind param" do + query = @table[:name].eq(Arel::Nodes::BindParam.new(1)) + .and(@table[:id].eq(Arel::Nodes::BindParam.new(1))) + compile(query).must_be_like %{ + "users"."name" = :a1 AND "users"."id" = :a2 + } + end + end + end + end +end |