| 88 | }; |
| 89 | |
| 90 | std::shared_ptr<Buffer> GenerateFixedDifferenceBuffer(int32_t fixed_length, |
| 91 | int64_t length) { |
| 92 | BufferBuilder builder; |
| 93 | std::vector<int32_t> offsets; |
| 94 | offsets.resize(length); |
| 95 | ARROW_EXPECT_OK(builder.Resize(4 * length)); |
| 96 | for (int64_t i = 0; i < length; i++) { |
| 97 | offsets[i] = static_cast<int32_t>(fixed_length * i); |
| 98 | } |
| 99 | ARROW_EXPECT_OK(builder.Append(offsets.data(), 4 * length)); |
| 100 | std::shared_ptr<Buffer> buffer; |
| 101 | ARROW_EXPECT_OK(builder.Finish(&buffer)); |
| 102 | return buffer; |
| 103 | } |
| 104 | |
| 105 | std::shared_ptr<Array> CastFixedSizeBinaryArrayToBinaryArray( |
| 106 | std::shared_ptr<Array> array) { |