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GH-54689: [GLib] Keep the table alive in GArrowTableBatchReader #55387

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Merged
kou merged 1 commit into from
Nov 6, 2026
Merged

GH-54689: [GLib] Keep the table alive in GArrowTableBatchReader #55387

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2 changes: 1 addition & 1 deletion c_glib/arrow-glib/reader.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -393,7 +393,7 @@ GArrowTableBatchReader *
garrow_table_batch_reader_new(GArrowTable *table)
{
auto arrow_table = garrow_table_get_raw(table);
auto arrow_table_batch_reader = std::make_shared<arrow::TableBatchReader>(*arrow_table);
auto arrow_table_batch_reader = std::make_shared<arrow::TableBatchReader>(arrow_table);
return garrow_table_batch_reader_new_raw(&arrow_table_batch_reader, table);
}

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12 changes: 12 additions & 0 deletions c_glib/test/test-table-batch-reader.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@

class TestTableBatchReader < Test::Unit::TestCase
include Helper::Buildable
include Helper::Omittable

def test_empty
table = build_table("visible" => build_boolean_array([]))
Expand Down Expand Up @@ -51,4 +52,15 @@ def test_max_chunk_size
reader.read_next)
assert_nil(reader.read_next)
end

def test_export_gc
require_gi_bindings(3, 4, 8)
array = build_int32_array([1, 2, 3])
table = build_table("number" => array)
c_abi_array_stream = Arrow::TableBatchReader.new(table).export
table = nil
GC.start
assert_equal(build_table("number" => array),
Arrow::RecordBatchReader.import(c_abi_array_stream).read_all)
end
end
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