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pablo
October 10, 2024, 11:19pm
2
@rajanimaski Your documentation link regards the latest version 2.17.0. According to your post, you’re running version 2.13.0.strict_allow_templates value for the dynamic field has been introduced in version 2.16.0.
opensearch-project:main ← gaobinlong:template
opened 09:20AM - 26 Jun 24 UTC
### Description
This PR adds a new type `strict_allow_templates` for the `dyn… amic` parameter of the index mappings. If `strict_allow_templates` is used and new detected fields can match the pre-defined dynamic templates in the index mappings, then these fields can be added to the mapping dynamically, if not match, an exception will be thrown: `mapping set to strict_allow_templates, dynamic introduction of [test2] within [_doc] is not allowed`(same to `strict` type).
The usage is:
1. Create an index with setting `dynamic` to `strict_allow_templates`
```
PUT index1
{
"mappings": {
"dynamic": "strict_allow_templates",
"dynamic_templates": [
{
"strings": {
"match": "foo*",
"match_mapping_type": "string",
"mapping": {
"type": "keyword"
}
}
}
],
"properties": {
"test1": {
"type": "text"
}
}
}
}
```
2. Field `test1` exists in the explicit mapping, and field `foo` can match the dynamic template, so index the document `1` successes.
```
POST index1/_doc/1
{
"foo": "1",
"test1": "test1"
}
```
3. Field `test2` doesn't exist in the explicit mapping and cannot match the dynamic template, so index the document `2` fails.
```
POST index1/_doc/2
{
"foo": "1",
"test2": "test2"
}
```
throws:
```
{
"error": {
"root_cause": [
{
"type": "strict_dynamic_mapping_exception",
"reason": "mapping set to strict_allow_templates, dynamic introduction of [test2] within [_doc] is not allowed"
}
],
"type": "strict_dynamic_mapping_exception",
"reason": "mapping set to strict_allow_templates, dynamic introduction of [test2] within [_doc] is not allowed"
},
"status": 400
}
```
### Related Issues
https://github.com/opensearch-project/OpenSearch/issues/11276
### Check List
- [x] Functionality includes testing.
- [ ] API changes companion pull request [created](https://github.com/opensearch-project/opensearch-api-specification/blob/main/DEVELOPER_GUIDE.md), if applicable.
- [ ] Public documentation issue/PR [created](https://github.com/opensearch-project/documentation-website/issues/new/choose), if applicable.
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check [here](https://github.com/opensearch-project/OpenSearch/blob/main/CONTRIBUTING.md#developer-certificate-of-origin).
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