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Define fields to search on at runtime #251

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Define fields to search on at runtime #251

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Update 0118-search-api.md
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Merge branch 'release-v1.3.0' into Define-fields-to-search-on-at-sear…
macraig Jul 31, 2023
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4 changes: 4 additions & 0 deletions open-api.yaml
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Expand Up @@ -716,6 +716,10 @@ components:
type: string
description: Defines which strategy to use to match the query terms within the documents as search results. Two different strategies are available, `last` and `all`. By default, the `last` strategy is chosen.
default: 'last'
attributesToSearchOn:
type: array
description: Defines which `searchableAttributes` the query will search on.
default: '["*"]'
filter:
$ref: '#/components/schemas/filter'
facets:
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3 changes: 3 additions & 0 deletions text/0034-telemetry-policies.md
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Expand Up @@ -121,6 +121,7 @@ The collected data is sent to [Segment](https://segment.com/). Segment is a plat
| `filter.with_geoRadius` | `true` if the filter rule `_geoRadius` was used in this batch, otherwise `false` | false | `Documents Searched POST`, `Documents Searched GET` |
| `filter.with_geoBoundingBox` | `true` if the filter rule `_geoBoundingBox` was used in this batch, otherwise `false`| false | `Documents Searched POST`, `Documents Searched GET` |
| `filter.most_used_syntax` | Most used filter syntax among all requests containing the `filter` parameter in this batch | string | `Documents Searched POST`, `Documents Searched GET` |
| `attributes_to_search_on.total_number_of_uses`| Total number of queries where `attributesToSearchOn` is set | 5 | `Documents Searched POST`, `Documents Searched GET` |
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| `q.max_terms_number` | Highest number of terms given for the `q` parameter in this batch | 5 | `Documents Searched POST`, `Documents Searched GET` |
| `pagination.max_limit` | Highest value given for the `limit` parameter in this batch | 60 | `Documents Searched POST`, `Documents Searched GET`, `Documents Fetched GET`, `Documents Fetched POST` |
| `pagination.max_offset` | Highest value given for the `offset` parameter in this batch | 1000 | `Documents Searched POST`, `Documents Searched GET`, `Documents Fetched GET`, `Documents Fetched POST` |
Expand Down Expand Up @@ -267,6 +268,7 @@ This property allows us to gather essential information to better understand on
| filter.with_geoBoundingBox | Does the built-in filter rule _geoBoundingBox has been used in the aggregated event?| `false` |
| filter.avg_criteria_number | The average number of filter criteria among all the requests containing the `filter` parameter in the aggregated event. `"filter": []` equals to `0` while not sending `filter` does not influence the average in the aggregated event. | `4` |
| filter.most_used_syntax | The most used filter syntax among all the requests containing the requests containing the `filter` parameter in the aggregated event. `string` / `array` / `mixed` | `mixed` |
| attributes_to_search_on.total_number_of_uses| Total number of queries where `attributesToSearchOn` is set | `5` |
| q.max_terms_number | The maximum number of terms for the `q` parameter among all requests in the aggregated event. | `5` |
| pagination.max_limit | The maximum limit encountered among all requests in the aggregated event. | `20` |
| pagination.max_offset | The maximum offset encountered among all requests in the aggregated event. | `1000` |
Expand Down Expand Up @@ -301,6 +303,7 @@ This property allows us to gather essential information to better understand on
| filter.with_geoBoundingBox | Does the built-in filter rule _geoBoundingBox has been used in the aggregated event?| `false` |
| filter.avg_criteria_number | The average number of filter criteria among all the requests containing the `filter` parameter in the aggregated event. `"filter": []` equals to `0` while not sending `filter` does not influence the average in the aggregated event. | `4` |
| filter.most_used_syntax | The most used filter syntax among all the requests containing the requests containing the `filter` parameter in the aggregated event. `string` / `array` / `mixed` | `mixed` |
| attributes_to_search_on.total_number_of_uses | Total number of queries where `attributesToSearchOn` is set | 5 |
| q.max_terms_number | The maximum number of terms for the `q` parameter among all requests in the aggregated event. | `5` |
| pagination.max_limit | The maximum limit encountered among all requests in the aggregated event. | `20` |
| pagination.max_offset | The maximum offset encountered among all requests in the aggregated event. | `1000` |
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43 changes: 43 additions & 0 deletions text/0061-error-format-and-definitions.md
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Expand Up @@ -1808,6 +1808,49 @@ HTTP Code: `400 Bad Request`
}
```

## invalid_search_attributes_to_search_on

`Synchronous`

### Context

This error occurs if a value with a different type than `Array of String`(POST), `String`(GET) or `null` and other than attributes names contained in the settings `searchableAttributes` as a value for `attributesToSearchOn` is specified.

### Error Definition

HTTP Code: `400 Bad Request`

```json
{
"message": "`:deserr_helper`",
"code": "invalid_search_attributes_to_search_on",
"type": "invalid_request",
"link": "https://docs.meilisearch.com/errors#invalid_search_attributes_to_search_on"
}
```

#### Variant: one of the values is not part of the settings `searchableAttributes` list

```json
{
"message": "Attribute `:value` is not searchable. Available searchable attributes are: `:searchableAttributes`.",
"code": "invalid_search_attributes_to_search_on",
"type": "invalid_request",
"link": "https://docs.meilisearch.com/errors#invalid_search_attributes_to_search_on"
}
```

#### Variant: one of the values is not part of the settings `searchableAttributes` list and not all of the `searchableAttributes` are displayable
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```json
{
"message": "Attribute `:value` is not searchable. Available searchable attributes are: `:DisplayableSearchableAttributes, <..hidden-attributes>`.",
"code": "invalid_search_attributes_to_search_on",
"type": "invalid_request",
"link": "https://docs.meilisearch.com/errors#invalid_search_attributes_to_search_on"
}
```

---

## invalid_document_geo_field
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15 changes: 15 additions & 0 deletions text/0118-search-api.md
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Expand Up @@ -51,6 +51,7 @@ If a master key is used to secure a Meilisearch instance, the auth layer returns
| [`cropMarker`](#3115-cropmarker) | String | False |
| [`showMatchesPosition`](#3116-showmatchesposition) | Boolean | False |
| [`matchingStrategy`](#3117-matchingStrategy) | String | False |
| [`attributesToSearchOn`](#3118-attributesToSearchOn) | Array of String - String | False |


#### 3.1.1. `q`
Expand Down Expand Up @@ -912,6 +913,20 @@ The documents containing ALL the query words (i.e. in the `q` parameter) are ret

Only the documents containing ALL the query words (i.e. in the `q` parameter) are returned by Meilisearch. If Meilisearch doesn't have enough documents to fit the requested `limit`, it returns the documents found without trying to match more documents.

#### 3.1.17. `attributesToSearchOn`

- Type: Array of String (POST) | String (GET)
- Required: False
- Default: `["*"]`

Defines which `searchableAttributes` the query will search on.

- If `attributesToSearchOn` is not set, set to `["*"]` or set to `null`, then the query will search on all `searchableAttributes`.
- Sending the attributes in a different order than the order set in the settings `searchableAttributes` doesn't reorder the fields' rank for the `Attributes` ranking rule
- 🔴 Sending a value with a different type than `Array of String`(POST), `String`(GET) or `null` for `attributesToSearchOn` returns an [invalid_attributes_to_search_on](0061-error-format-and-definitions.md#invalid_search_attributes_to_search_on) error.
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What happens if you send an empty array?

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Empty result

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Should that be specified or is it common practice in the API?

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I think that defining an empty attributesToSearchOn list means that you search in no attributes, which implies no results. Do you see any other behavior?

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I guess not, I was just wondering if it might be surprising for a user to leave it empty and then be confused about getting no results

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I'm more on the side of the error if the array is sent with an empty form, so the developer can't break the search and is aware of it; By doing this, we can catch it before they have to understand what's wrong and fix it; I see no point in returning 0 results, am I wrong?

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Maybe we could return the hits as if the query was empty?

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@ManyTheFish ManyTheFish Jul 13, 2023 •
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I'm more on the side of the error if the array is sent with an empty form, so the developer can't break the search and is aware of it; By doing this, we can catch it before they have to understand what's wrong and fix it; I see no point in returning 0 results, am I wrong?

I agree about the fact that would be useless to set [], however, it's a logical behavior from Meilisearch in my sense. Moreover, it's consistent with the searchableAttributes that accepts an empty array

Maybe we could return the hits as if the query was empty?

It doesn't seems logical to me to replace the search with a placeholder one when attributeToSearchOn is empty. 🤔

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@gmourier gmourier Jul 13, 2023 •
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You're right @ManyTheFish; accepting an empty array is an aspect of "consistency" that we could revisit with a v2 eventually because it doesn't seem great for DX (letting the developer put himself in a situation where he/she gets nothing out of the product)

I see it as an edge case personally, so the current implementation works for me, and I'm not against it

cc @macraig (if it helps!)

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+1 @gmourier , let's be consistent and revisit this when we're ready for a v2

- 🔴 Sending an attribute that is not part of the settings `searchableAttributes` list returns an [invalid_attributes_to_search_on](0061-error-format-and-definitions.md#invalid_search_attributes_to_search_on) error.


### 3.2. Search Response Properties

| Field | Type | Required |
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