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Added

Fixed

  • detecting array value type when first element was null

Changed

Removed

Deprecated

Security


Description

Becuse of that bug, values like [null, 2, 3 ,4] were detected as list<null> instead of list<?integer>.
I changed the way how array value type is detected by iterating over all elements and merging their types if needed.

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Flow PHP - Benchmarks

Results of the benchmarks from this PR are compared with the results from 1.x branch.

Extractors
+-----------------------+-------------------+------+-----+-----------------+------------------+-----------------+
| benchmark             | subject           | revs | its | mem_peak        | mode             | rstdev          |
+-----------------------+-------------------+------+-----+-----------------+------------------+-----------------+
| CSVExtractorBench     | bench_extract_10k | 1    | 3   | 4.631mb +0.01%  | 516.052ms -0.24% | ±0.22% -17.81%  |
| JsonExtractorBench    | bench_extract_10k | 1    | 3   | 4.717mb +0.05%  | 1.080s -0.66%    | ±0.55% -40.47%  |
| ParquetExtractorBench | bench_extract_10k | 1    | 3   | 29.175mb +0.00% | 427.970ms -2.59% | ±0.38% -4.37%   |
| TextExtractorBench    | bench_extract_10k | 1    | 3   | 4.360mb +0.01%  | 33.369ms +1.05%  | ±2.20% +611.52% |
| XmlExtractorBench     | bench_extract_10k | 1    | 3   | 4.341mb +0.01%  | 663.672ms -1.23% | ±1.68% -21.97%  |
+-----------------------+-------------------+------+-----+-----------------+------------------+-----------------+
Transformers
+-----------------------------+--------------------------+------+-----+------------------+-----------------+----------------+
| benchmark                   | subject                  | revs | its | mem_peak         | mode            | rstdev         |
+-----------------------------+--------------------------+------+-----+------------------+-----------------+----------------+
| RenameEntryTransformerBench | bench_transform_10k_rows | 1    | 3   | 116.700mb +0.00% | 59.776ms -2.39% | ±0.46% -26.16% |
+-----------------------------+--------------------------+------+-----+------------------+-----------------+----------------+
Loaders
+--------------------+----------------+------+-----+------------------+------------------+----------------+
| benchmark          | subject        | revs | its | mem_peak         | mode             | rstdev         |
+--------------------+----------------+------+-----+------------------+------------------+----------------+
| CSVLoaderBench     | bench_load_10k | 1    | 3   | 54.829mb +0.00%  | 118.088ms -3.10% | ±0.70% +14.77% |
| JsonLoaderBench    | bench_load_10k | 1    | 3   | 90.410mb +0.00%  | 98.971ms -3.03%  | ±1.45% +68.06% |
| ParquetLoaderBench | bench_load_10k | 1    | 3   | 124.532mb +0.00% | 1.230s -1.25%    | ±0.35% -44.72% |
| TextLoaderBench    | bench_load_10k | 1    | 3   | 17.551mb +0.00%  | 28.233ms -2.63%  | ±1.49% +74.37% |
+--------------------+----------------+------+-----+------------------+------------------+----------------+
Building Blocks
+-------------------------+----------------------------+------+-----+------------------+------------------+-------------------------------+
| benchmark               | subject                    | revs | its | mem_peak         | mode             | rstdev                        |
+-------------------------+----------------------------+------+-----+------------------+------------------+-------------------------------+
| TypeDetectorBench       | bench_type_detector        | 1    | 3   | 53.269mb +0.00%  | 397.225ms -0.61% | ±0.81% -23.19%                |
| TypeDetectorBench       | bench_type_detector        | 1    | 3   | 13.535mb +0.02%  | 80.161ms -0.69%  | ±3.28% +23.75%                |
| NativeEntryFactoryBench | bench_entry_factory        | 1    | 3   | 107.466mb +0.00% | 475.574ms -0.14% | ±1.18% -2.52%                 |
| NativeEntryFactoryBench | bench_entry_factory        | 1    | 3   | 55.824mb +0.00%  | 240.265ms +0.29% | ±0.44% -48.56%                |
| NativeEntryFactoryBench | bench_entry_factory        | 1    | 3   | 14.662mb +0.02%  | 51.682ms -0.91%  | ±1.04% -36.13%                |
| RowsBench               | bench_chunk_10_on_10k      | 2    | 3   | 87.445mb +0.00%  | 3.247ms -11.93%  | ±2.20% +4.81%                 |
| RowsBench               | bench_diff_left_1k_on_10k  | 2    | 3   | 102.983mb +0.00% | 186.253ms -6.81% | ±0.43% -29.13%                |
| RowsBench               | bench_diff_right_1k_on_10k | 2    | 3   | 85.703mb +0.00%  | 18.728ms -6.06%  | ±1.23% -32.83%                |
| RowsBench               | bench_drop_1k_on_10k       | 2    | 3   | 88.684mb +0.00%  | 1.754ms -17.44%  | ±1.02% -54.12%                |
| RowsBench               | bench_drop_right_1k_on_10k | 2    | 3   | 88.684mb +0.00%  | 1.840ms -14.46%  | ±2.78% -13.68%                |
| RowsBench               | bench_entries_on_10k       | 2    | 3   | 85.797mb +0.00%  | 2.681ms -12.83%  | ±0.62% -72.26%                |
| RowsBench               | bench_filter_on_10k        | 2    | 3   | 86.326mb +0.00%  | 17.957ms +6.93%  | ±1.48% +192.87%               |
| RowsBench               | bench_find_on_10k          | 2    | 3   | 86.326mb +0.00%  | 17.877ms +4.94%  | ±1.32% +501.11%               |
| RowsBench               | bench_find_one_on_10k      | 10   | 3   | 84.229mb +0.00%  | 1.594μs -16.11%  | ±3.01% +25747230165530000.00% |
| RowsBench               | bench_first_on_10k         | 10   | 3   | 84.229mb +0.00%  | 0.300μs -25.00%  | ±0.00% -100.00%               |
| RowsBench               | bench_flat_map_on_1k       | 2    | 3   | 93.580mb +0.00%  | 12.365ms -13.24% | ±1.54% -39.25%                |
| RowsBench               | bench_map_on_10k           | 2    | 3   | 122.950mb +0.00% | 60.933ms -3.56%  | ±1.33% +67.48%                |
| RowsBench               | bench_merge_1k_on_10k      | 2    | 3   | 86.845mb +0.00%  | 1.362ms -22.80%  | ±0.75% -21.22%                |
| RowsBench               | bench_partition_by_on_10k  | 2    | 3   | 90.136mb +0.00%  | 58.147ms -10.53% | ±1.51% -32.22%                |
| RowsBench               | bench_remove_on_10k        | 2    | 3   | 88.947mb +0.00%  | 4.114ms -9.57%   | ±0.12% -93.28%                |
| RowsBench               | bench_sort_asc_on_1k       | 2    | 3   | 84.313mb +0.00%  | 39.289ms +1.15%  | ±0.06% -96.39%                |
| RowsBench               | bench_sort_by_on_1k        | 2    | 3   | 84.314mb +0.00%  | 39.222ms +0.59%  | ±0.30% -65.49%                |
| RowsBench               | bench_sort_desc_on_1k      | 2    | 3   | 84.313mb +0.00%  | 39.883ms -1.18%  | ±1.61% +289.60%               |
| RowsBench               | bench_sort_entries_on_1k   | 2    | 3   | 86.671mb +0.00%  | 7.596ms +1.33%   | ±0.47% +2.27%                 |
| RowsBench               | bench_sort_on_1k           | 2    | 3   | 84.229mb +0.00%  | 29.044ms +0.58%  | ±0.64% -31.04%                |
| RowsBench               | bench_take_1k_on_10k       | 10   | 3   | 84.229mb +0.00%  | 14.517μs +5.29%  | ±1.50% +118.52%               |
| RowsBench               | bench_take_right_1k_on_10k | 10   | 3   | 84.229mb +0.00%  | 15.618μs -5.34%  | ±0.90% -69.66%                |
| RowsBench               | bench_unique_on_1k         | 2    | 3   | 102.988mb +0.00% | 193.747ms +0.91% | ±1.51% +430.66%               |
+-------------------------+----------------------------+------+-----+------------------+------------------+-------------------------------+

@norberttech norberttech merged commit 8e8c3a0 into flow-php:1.x Sep 27, 2024
@norberttech norberttech deleted the bug/map-type-detection branch December 5, 2024 20:18
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