Issue: add allow_primitive_to_str and allow_decimal_to_str instead of allow_number_to_str
State: closed
Author: Modexus

Fix #6805

Comments:
The docs for this PR live [here](https://moon-ci-docs.huggingface.co/docs/datasets/pr_6811). All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.

@mariosasko pytest seems to be missing on windows?

CI is not behaving well today 🙂 

I couldn't find an instance of the `allow_number_to_str` parameter (or `array_cast`/`cast_array_to_feature` more generally) being used in the wild. So, I think simply removing `allow_number_to_str` instead of deprecating it should be fine, considering `array_cast`/`cast_array_to_feature` are somewhat hidden. Do you agree @lhoestq? 

Yup we can remove without any deprecation cycle

<details>
<summary>Show benchmarks</summary>

PyArrow==8.0.0

<details>
<summary>Show updated benchmarks!</summary>

### Benchmark: benchmark_array_xd.json

| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_as_numpy after write_nested_sequence | read_batch_unformated after write_array2d | read_batch_unformated after write_flattened_sequence | read_batch_unformated after write_nested_sequence | read_col_formatted_as_numpy after write_array2d | read_col_formatted_as_numpy after write_flattened_sequence | read_col_formatted_as_numpy after write_nested_sequence | read_col_unformated after write_array2d | read_col_unformated after write_flattened_sequence | read_col_unformated after write_nested_sequence | read_formatted_as_numpy after write_array2d | read_formatted_as_numpy after write_flattened_sequence | read_formatted_as_numpy after write_nested_sequence | read_unformated after write_array2d | read_unformated after write_flattened_sequence | read_unformated after write_nested_sequence | write_array2d | write_flattened_sequence | write_nested_sequence |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.005253 / 0.011353 (-0.006100) | 0.003767 / 0.011008 (-0.007241) | 0.064599 / 0.038508 (0.026091) | 0.030758 / 0.023109 (0.007649) | 0.237437 / 0.275898 (-0.038461) | 0.277580 / 0.323480 (-0.045900) | 0.004220 / 0.007986 (-0.003766) | 0.002738 / 0.004328 (-0.001591) | 0.049393 / 0.004250 (0.045143) | 0.045283 / 0.037052 (0.008231) | 0.249907 / 0.258489 (-0.008582) | 0.283301 / 0.293841 (-0.010540) | 0.027722 / 0.128546 (-0.100825) | 0.010842 / 0.075646 (-0.064804) | 0.219197 / 0.419271 (-0.200074) | 0.036449 / 0.043533 (-0.007084) | 0.237774 / 0.255139 (-0.017365) | 0.257981 / 0.283200 (-0.025218) | 0.018098 / 0.141683 (-0.123585) | 1.161778 / 1.452155 (-0.290376) | 1.212707 / 1.492716 (-0.280010) |

### Benchmark: benchmark_getitem\_100B.json

| metric | get_batch_of\_1024\_random_rows | get_batch_of\_1024\_rows | get_first_row | get_last_row |
|--------|---|---|---|---|
| new / old (diff) | 0.096462 / 0.018006 (0.078456) | 0.305322 / 0.000490 (0.304832) | 0.000218 / 0.000200 (0.000018) | 0.000048 / 0.000054 (-0.000006) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.018438 / 0.037411 (-0.018973) | 0.061633 / 0.014526 (0.047107) | 0.073678 / 0.176557 (-0.102879) | 0.122033 / 0.737135 (-0.615103) | 0.074846 / 0.296338 (-0.221493) |

### Benchmark: benchmark_iterating.json

| metric | read 5000 | read 50000 | read_batch 50000 10 | read_batch 50000 100 | read_batch 50000 1000 | read_formatted numpy 5000 | read_formatted pandas 5000 | read_formatted tensorflow 5000 | read_formatted torch 5000 | read_formatted_batch numpy 5000 10 | read_formatted_batch numpy 5000 1000 | shuffled read 5000 | shuffled read 50000 | shuffled read_batch 50000 10 | shuffled read_batch 50000 100 | shuffled read_batch 50000 1000 | shuffled read_formatted numpy 5000 | shuffled read_formatted_batch numpy 5000 10 | shuffled read_formatted_batch numpy 5000 1000 |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.279564 / 0.215209 (0.064355) | 2.756984 / 2.077655 (0.679330) | 1.486525 / 1.504120 (-0.017595) | 1.366474 / 1.541195 (-0.174721) | 1.370192 / 1.468490 (-0.098298) | 0.576940 / 4.584777 (-4.007837) | 2.414088 / 3.745712 (-1.331624) | 2.788423 / 5.269862 (-2.481439) | 1.738695 / 4.565676 (-2.826982) | 0.064456 / 0.424275 (-0.359819) | 0.005536 / 0.007607 (-0.002071) | 0.337266 / 0.226044 (0.111222) | 3.327140 / 2.268929 (1.058212) | 1.837553 / 55.444624 (-53.607072) | 1.538955 / 6.876477 (-5.337521) | 1.575624 / 2.142072 (-0.566448) | 0.639960 / 4.805227 (-4.165267) | 0.117607 / 6.500664 (-6.383057) | 0.042077 / 0.075469 (-0.033393) |

### Benchmark: benchmark_map_filter.json

| metric | filter | map fast-tokenizer batched | map identity | map identity batched | map no-op batched | map no-op batched numpy | map no-op batched pandas | map no-op batched pytorch | map no-op batched tensorflow |
|--------|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.960488 / 1.841788 (-0.881300) | 11.565280 / 8.074308 (3.490972) | 9.702633 / 10.191392 (-0.488759) | 0.139106 / 0.680424 (-0.541318) | 0.013601 / 0.534201 (-0.520600) | 0.291499 / 0.579283 (-0.287784) | 0.277433 / 0.434364 (-0.156930) | 0.325700 / 0.540337 (-0.214637) | 0.421036 / 1.386936 (-0.965900) |

</details>
PyArrow==latest

<details>
<summary>Show updated benchmarks!</summary>

### Benchmark: benchmark_array_xd.json

| metric | read_batch_formatted_as_numpy after write_array2d | read_batch_formatted_as_numpy after write_flattened_sequence | read_batch_formatted_as_numpy after write_nested_sequence | read_batch_unformated after write_array2d | read_batch_unformated after write_flattened_sequence | read_batch_unformated after write_nested_sequence | read_col_formatted_as_numpy after write_array2d | read_col_formatted_as_numpy after write_flattened_sequence | read_col_formatted_as_numpy after write_nested_sequence | read_col_unformated after write_array2d | read_col_unformated after write_flattened_sequence | read_col_unformated after write_nested_sequence | read_formatted_as_numpy after write_array2d | read_formatted_as_numpy after write_flattened_sequence | read_formatted_as_numpy after write_nested_sequence | read_unformated after write_array2d | read_unformated after write_flattened_sequence | read_unformated after write_nested_sequence | write_array2d | write_flattened_sequence | write_nested_sequence |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.005405 / 0.011353 (-0.005948) | 0.003816 / 0.011008 (-0.007192) | 0.050422 / 0.038508 (0.011914) | 0.030473 / 0.023109 (0.007364) | 0.275975 / 0.275898 (0.000077) | 0.298002 / 0.323480 (-0.025478) | 0.004280 / 0.007986 (-0.003706) | 0.002746 / 0.004328 (-0.001583) | 0.049649 / 0.004250 (0.045398) | 0.040675 / 0.037052 (0.003623) | 0.287496 / 0.258489 (0.029007) | 0.315140 / 0.293841 (0.021299) | 0.029835 / 0.128546 (-0.098711) | 0.010443 / 0.075646 (-0.065204) | 0.058299 / 0.419271 (-0.360972) | 0.032944 / 0.043533 (-0.010588) | 0.279468 / 0.255139 (0.024329) | 0.296336 / 0.283200 (0.013136) | 0.018572 / 0.141683 (-0.123111) | 1.177622 / 1.452155 (-0.274532) | 1.238240 / 1.492716 (-0.254477) |

### Benchmark: benchmark_getitem\_100B.json

| metric | get_batch_of\_1024\_random_rows | get_batch_of\_1024\_rows | get_first_row | get_last_row |
|--------|---|---|---|---|
| new / old (diff) | 0.091867 / 0.018006 (0.073861) | 0.299982 / 0.000490 (0.299492) | 0.000217 / 0.000200 (0.000017) | 0.000043 / 0.000054 (-0.000011) |

### Benchmark: benchmark_indices_mapping.json

| metric | select | shard | shuffle | sort | train_test_split |
|--------|---|---|---|---|---|
| new / old (diff) | 0.022649 / 0.037411 (-0.014762) | 0.074948 / 0.014526 (0.060422) | 0.087949 / 0.176557 (-0.088607) | 0.125875 / 0.737135 (-0.611261) | 0.089295 / 0.296338 (-0.207044) |

### Benchmark: benchmark_iterating.json

| metric | read 5000 | read 50000 | read_batch 50000 10 | read_batch 50000 100 | read_batch 50000 1000 | read_formatted numpy 5000 | read_formatted pandas 5000 | read_formatted tensorflow 5000 | read_formatted torch 5000 | read_formatted_batch numpy 5000 10 | read_formatted_batch numpy 5000 1000 | shuffled read 5000 | shuffled read 50000 | shuffled read_batch 50000 10 | shuffled read_batch 50000 100 | shuffled read_batch 50000 1000 | shuffled read_formatted numpy 5000 | shuffled read_formatted_batch numpy 5000 10 | shuffled read_formatted_batch numpy 5000 1000 |
|--------|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 0.290387 / 0.215209 (0.075178) | 2.820969 / 2.077655 (0.743315) | 1.614607 / 1.504120 (0.110487) | 1.496959 / 1.541195 (-0.044236) | 1.526475 / 1.468490 (0.057985) | 0.570087 / 4.584777 (-4.014690) | 2.423106 / 3.745712 (-1.322606) | 2.825321 / 5.269862 (-2.444540) | 1.765580 / 4.565676 (-2.800097) | 0.063289 / 0.424275 (-0.360986) | 0.005456 / 0.007607 (-0.002151) | 0.344100 / 0.226044 (0.118055) | 3.395733 / 2.268929 (1.126804) | 1.951794 / 55.444624 (-53.492830) | 1.677689 / 6.876477 (-5.198787) | 1.684448 / 2.142072 (-0.457624) | 0.644343 / 4.805227 (-4.160885) | 0.115796 / 6.500664 (-6.384868) | 0.041052 / 0.075469 (-0.034417) |

### Benchmark: benchmark_map_filter.json

| metric | filter | map fast-tokenizer batched | map identity | map identity batched | map no-op batched | map no-op batched numpy | map no-op batched pandas | map no-op batched pytorch | map no-op batched tensorflow |
|--------|---|---|---|---|---|---|---|---|---|
| new / old (diff) | 1.031487 / 1.841788 (-0.810301) | 12.116156 / 8.074308 (4.041848) | 10.472247 / 10.191392 (0.280855) | 0.142934 / 0.680424 (-0.537490) | 0.015470 / 0.534201 (-0.518731) | 0.290402 / 0.579283 (-0.288882) | 0.272594 / 0.434364 (-0.161770) | 0.328311 / 0.540337 (-0.212027) | 0.424694 / 1.386936 (-0.962242) |

</details>
</details>

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