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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
class TestExecutePlan < Test::Unit::TestCase
include Helper::Buildable
include Helper::Omittable
def setup
@record_batch =
build_record_batch(number: build_int8_array([1, 2, 3, 4, 5]),
string: build_string_array(["a", "b", "a", "b", "a"]))
@plan = Arrow::ExecutePlan.new
@source_node_options = Arrow::SourceNodeOptions.new(@record_batch)
@source_node = @plan.build_source_node(@source_node_options)
aggregations = [
Arrow::Aggregation.new("hash_sum", nil, "number", "sum(number)"),
Arrow::Aggregation.new("hash_count", nil, "number", "count(number)"),
]
@aggregate_node_options =
Arrow::AggregateNodeOptions.new(aggregations, ["string"])
@aggregate_node = @plan.build_aggregate_node(@source_node,
@aggregate_node_options)
@sink_node_options = Arrow::SinkNodeOptions.new
@sink_node = @plan.build_sink_node(@aggregate_node,
@sink_node_options)
end
def test_start
@plan.validate
@plan.start
@plan.wait
reader = @sink_node_options.get_reader(@aggregate_node.output_schema)
assert_equal(build_table("sum(number)" => build_int64_array([9, 6]),
"count(number)" => build_int64_array([3, 2]),
"string" => build_string_array(["a", "b"])),
reader.read_all)
@plan.stop
end
end
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