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new 97b867856b GH-50438: Add ArrowFormat::DurationArray.new(unit, values)
(#50447)
97b867856b is described below
commit 97b867856baef4f9d6778eadbe660a48a1adff8c
Author: Aaditya Srinivasan <[email protected]>
AuthorDate: Fri Jul 10 10:07:44 2026 +0530
GH-50438: Add ArrowFormat::DurationArray.new(unit, values) (#50447)
### Rationale for this change
Building a duration Arrow array from Ruby objects is convenient.
### What changes are included in this PR?
Accept `ArrowFormat::DurationArray.new(unit, values)`.
### Are these changes tested?
Yes.
Added tests for:
* initialization
* mixed values with `nil`
* equality
* sliced arrays
### Are there any user-facing changes?
Yes.
* GitHub Issue: #50438
Authored-by: Aaditya Srinivasan <[email protected]>
Signed-off-by: Sutou Kouhei <[email protected]>
---
ruby/red-arrow-format/lib/arrow-format/array.rb | 5 +++
ruby/red-arrow-format/lib/arrow-format/type.rb | 18 ++++++++
ruby/red-arrow-format/test/test-duration-array.rb | 55 +++++++++++++++++++++++
3 files changed, 78 insertions(+)
diff --git a/ruby/red-arrow-format/lib/arrow-format/array.rb
b/ruby/red-arrow-format/lib/arrow-format/array.rb
index 0ff88d23ae..0b42a692ec 100644
--- a/ruby/red-arrow-format/lib/arrow-format/array.rb
+++ b/ruby/red-arrow-format/lib/arrow-format/array.rb
@@ -625,6 +625,11 @@ module ArrowFormat
end
class DurationArray < TemporalArray
+ class << self
+ def type_class
+ DurationType
+ end
+ end
end
class VariableSizeBinaryArray < Array
diff --git a/ruby/red-arrow-format/lib/arrow-format/type.rb
b/ruby/red-arrow-format/lib/arrow-format/type.rb
index b17cdb8e8e..d9e427a0d5 100644
--- a/ruby/red-arrow-format/lib/arrow-format/type.rb
+++ b/ruby/red-arrow-format/lib/arrow-format/type.rb
@@ -696,6 +696,20 @@ module ArrowFormat
end
class DurationType < TemporalType
+ class << self
+ def try_convert(value)
+ case value
+ when Symbol
+ unit = value
+ new(unit)
+ when self
+ value
+ else
+ nil
+ end
+ end
+ end
+
attr_reader :unit
def initialize(unit)
super()
@@ -710,6 +724,10 @@ module ArrowFormat
:s64
end
+ def pack_template
+ "q"
+ end
+
def build_array(...)
DurationArray.new(self, ...)
end
diff --git a/ruby/red-arrow-format/test/test-duration-array.rb
b/ruby/red-arrow-format/test/test-duration-array.rb
new file mode 100644
index 0000000000..92362c2e4d
--- /dev/null
+++ b/ruby/red-arrow-format/test/test-duration-array.rb
@@ -0,0 +1,55 @@
+# 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 TestDurationArray < Test::Unit::TestCase
+ sub_test_case("#initialize") do
+ def test_no_null
+ values = [-(2 ** 63), (2 ** 63) - 1]
+ assert_equal(values,
+ ArrowFormat::DurationArray.new(:second, values).to_a)
+ end
+
+ def test_mixed
+ values = [-(2 ** 63), nil, (2 ** 63) - 1]
+ assert_equal(values,
+ ArrowFormat::DurationArray.new(:second, values).to_a)
+ end
+ end
+
+ sub_test_case("#==") do
+ def test_no_slice
+ values = [-(2 ** 63), nil, (2 ** 63) - 1]
+ array1 = ArrowFormat::DurationArray.new(:second, values)
+ array2 = ArrowFormat::DurationArray.new(:second, values)
+ assert_equal(array1, array2)
+ end
+
+ def test_sliced
+ values = [-(2 ** 63), nil, (2 ** 63) - 1]
+ array1 = ArrowFormat::DurationArray.new(:second, values)
+ array2 = ArrowFormat::DurationArray.new(:second, [0, *values, 0])
+ assert_equal(array1, array2.slice(1, 3))
+ end
+
+ def test_sliced_different_content
+ values = [-(2 ** 63), nil, (2 ** 63) - 1]
+ array1 = ArrowFormat::DurationArray.new(:second, values)
+ array2 = ArrowFormat::DurationArray.new(:second, [0, 0, *values, 0])
+ assert_not_equal(array1, array2.slice(1, 3))
+ end
+ end
+end
