opensearch-docs-cn/_api-reference/document-apis/delete-by-query.md

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---
layout: default
title: Delete by query
parent: Document APIs
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nav_order: 40
---
# Delete by query
Introduced 1.0
{: .label .label-purple}
You can include a query as part of your delete request so OpenSearch deletes all documents that match that query.
## Example
```json
POST sample-index1/_delete_by_query
{
"query": {
"match": {
"movie-length": "124"
}
}
}
```
{% include copy-curl.html %}
## Path and HTTP methods
```
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POST <index>/_delete_by_query
```
## URL parameters
All URL parameters are optional.
Parameter | Type | Description
:--- | :--- | :--- | :---
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&lt;index&gt; | String | Name or list of the data streams, indices, or aliases to delete from. Supports wildcards. If left blank, OpenSearch searches all indices.
allow_no_indices | Boolean | Whether to ignore wildcards that dont match any indices. Default is `true`.
analyzer | String | The analyzer to use in the query string.
analyze_wildcard | Boolean | Specifies whether to analyze wildcard and prefix queries. Default is false.
conflicts | String | Indicates to OpenSearch what should happen if the delete by query operation runs into a version conflict. Valid options are `abort` and `proceed`. Default is `abort`.
default_operator | String | Indicates whether the default operator for a string query should be AND or OR. Default is OR.
df | String | The default field in case a field prefix is not provided in the query string.
expand_wildcards | String | Specifies the type of index that wildcard expressions can match. Supports comma-separated values. Valid values are `all` (match any index), `open` (match open, non-hidden indices), `closed` (match closed, non-hidden indices), `hidden` (match hidden indices), and `none` (deny wildcard expressions). Default is `open`.
from | Integer | The starting index to search from. Default is 0.
ignore_unavailable | Boolean | Specifies whether to include missing or closed indices in the response. Default is false.
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lenient | Boolean | Specifies whether OpenSearch should accept requests if queries have format errors (for example, querying a text field for an integer). Default is false.
max_docs | Integer | How many documents the delete by query operation should process at most. Default is all documents.
preference | String | Specifies which shard or node OpenSearch should perform the delete by query operation on.
q | String | Lucene query string's query.
request_cache | Boolean | Specifies whether OpenSearch should use the request cache. Default is whether its enabled in the indexs settings.
refresh | Boolean | If true, OpenSearch refreshes shards to make the delete by query operation available to search results. Valid options are `true`, `false`, and `wait_for`, which tells OpenSearch to wait for a refresh before executing the operation. Default is `false`.
requests_per_second | Integer | Specifies the request's throttling in sub-requests per second. Default is -1, which means no throttling.
routing | String | Value used to route the operation to a specific shard.
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scroll | Time | Amount of time the search context should be open.
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scroll_size | Integer | Size of the operation's scroll requests. Default is 1000.
search_type | String | Whether OpenSearch should use global term and document frequencies calculating revelance scores. Valid choices are `query_then_fetch` and `dfs_query_then_fetch`. `query_then_fetch` scores documents using local term and document frequencies for the shard. Its usually faster but less accurate. `dfs_query_then_fetch` scores documents using global term and document frequencies across all shards. Its usually slower but more accurate. Default is `query_then_fetch`.
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search_timeout | Time | How long to wait until OpenSearch deems the request timed out. Default is no timeout.
slices | String or Integer | How many slices to cut the operation into for faster processing. Specify an integer to set how many slices to divide the operation into, or use `auto`, which tells OpenSearch it should decide how many slices to divide into. If you have a lot of shards in your index, set a lower number for better efficiency. Default is 1, which means the task should not be divided.
sort | String | A comma-separated list of &lt;field&gt; : &lt;direction&gt; pairs to sort by.
_source | String | Specifies whether to include the `_source` field in the response.
_source_excludes | String | A comma-separated list of source fields to exclude from the response.
_source_includes | String | A comma-separated list of source fields to include in the response.
stats | String | Value to associate with the request for additional logging.
terminate_after | Integer | The maximum number of documents OpenSearch should process before terminating the request.
timeout | Time | How long the operation should wait from a response from active shards. Default is `1m`.
version | Boolean | Whether to include the document version as a match.
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wait_for_active_shards | String | The number of shards that must be active before OpenSearch executes the operation. Valid values are `all` or any integer up to the total number of shards in the index. Default is 1, which is the primary shard.
Make API reference top level (#1637) * Make API reference top level Signed-off-by: Naarcha-AWS <naarcha@amazon.com> * Fix typo on Drag and Drop page (#1633) * Fix typo on Drag and Drop page * Update _dashboards/drag-drop-wizard.md Co-authored-by: Nate Bower <nbower@amazon.com> * Update drag-drop-wizard.md Co-authored-by: Nate Bower <nbower@amazon.com> * Putting all the Docker install material on a single page (#1452) * Putting all the Docker install material on a single page Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Making room for revamp Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Intro added Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Continuing to flesh out the intro section and overview Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Overview finalized Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Introducing docker compose Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Added link to compose Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Continuing docker image commentary Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Sometimes I wonder if anyone reads these Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Adding notes on installing compose with pip Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Adding prereqs Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Magnets - how do they work? Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Almonds and peaches are part of the same plant subgenus, Amygdalus Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * There are 293 ways to make change for a dollar Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * A shark is the only known fish that can blink with both eyes Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * A crocodile cannot stick its tongue out Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * wording Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Reorganizing a couple paragraphs to make it flow better Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Forgot a word Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Add tip about pruning stopped containers Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Cleaning up Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Add blurb about container ls Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Adding the Docker Compose stuff Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Working on compose Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Continuing work on the compose section - it's a lot of info Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Added important settings Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Updates to settings that need configured Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Still working through compose things Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Fixed wording Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Working through compose commands and guidance Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Reordering/rewording Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * More phrasing Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * More wording in steps Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * More wording in steps Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Organizing Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Adding stuff and things Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Continuing to work through the configuration steps Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Fixes Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Fixes Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Still working on the configuration steps Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Changes Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * More work Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Removed perf analyzer - refer to GH issue 1555 Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Fixing things Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Adding guidance on passing settings in compose Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Working through dockerfile materials now Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * wording Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Finalized the sample dev compose file Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Continuing work with configuration Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Finished - ready for reviews Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Fixed a link I forgot to change before Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Changes from first proofread Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Changed heading Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Addressed reviewer comments and made some changes Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Forgot to incorporate one change. Fixed. Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Final editorial changes Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * fix#1584-custom_attr_allowlist (#1636) Signed-off-by: cwillum <cwmmoore@amazon.com> Signed-off-by: cwillum <cwmmoore@amazon.com> * Update TERMS.md with definition for Setting (#1632) * fix#1631-Terms-setting Signed-off-by: cwillum <cwmmoore@amazon.com> * fix#1631-Terms-setting Signed-off-by: cwillum <cwmmoore@amazon.com> Signed-off-by: cwillum <cwmmoore@amazon.com> * Add disclaimer about remote fs usage and an example of setting env var (#1644) * Add disclaimer about remote fs usage and an example of setting env var Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Enhanced wording a little bit Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * [DOC] New documentation: Self-host maps server (#1625) * Add new page self-host maps server Signed-off-by: vagimeli <vagimeli@amazon.com> * Added new content Signed-off-by: vagimeli <vagimeli@amazon.com> * Copy edit Signed-off-by: vagimeli <vagimeli@amazon.com> * Tech review edits Signed-off-by: vagimeli <vagimeli@amazon.com> * Doc review edits Signed-off-by: vagimeli <vagimeli@amazon.com> * Editorial review changes Signed-off-by: vagimeli <vagimeli@amazon.com> * Final edits Signed-off-by: vagimeli <vagimeli@amazon.com> Signed-off-by: vagimeli <vagimeli@amazon.com> * Add feedback. Signed-off-by: Naarcha-AWS <naarcha@amazon.com> * Fix links Signed-off-by: Naarcha-AWS <naarcha@amazon.com> Signed-off-by: Naarcha-AWS <naarcha@amazon.com> Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> Signed-off-by: cwillum <cwmmoore@amazon.com> Signed-off-by: vagimeli <vagimeli@amazon.com> Co-authored-by: Nate Bower <nbower@amazon.com> Co-authored-by: Jeff Huss <jeffhuss@amazon.com> Co-authored-by: Chris Moore <107723039+cwillum@users.noreply.github.com> Co-authored-by: Melissa Vagi <105296784+vagimeli@users.noreply.github.com>
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wait_for_completion | Boolean | Setting this parameter to false indicates to OpenSearch it should not wait for completion and perform this request asynchronously. Asynchronous requests run in the background, and you can use the [Tasks]({{site.url}}{{site.baseurl}}/api-reference/tasks) API to monitor progress.
## Request body
Make API reference top level (#1637) * Make API reference top level Signed-off-by: Naarcha-AWS <naarcha@amazon.com> * Fix typo on Drag and Drop page (#1633) * Fix typo on Drag and Drop page * Update _dashboards/drag-drop-wizard.md Co-authored-by: Nate Bower <nbower@amazon.com> * Update drag-drop-wizard.md Co-authored-by: Nate Bower <nbower@amazon.com> * Putting all the Docker install material on a single page (#1452) * Putting all the Docker install material on a single page Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Making room for revamp Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Intro added Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Continuing to flesh out the intro section and overview Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Overview finalized Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Introducing docker compose Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Added link to compose Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Continuing docker image commentary Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Sometimes I wonder if anyone reads these Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Adding notes on installing compose with pip Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Adding prereqs Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Magnets - how do they work? Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Almonds and peaches are part of the same plant subgenus, Amygdalus Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * There are 293 ways to make change for a dollar Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * A shark is the only known fish that can blink with both eyes Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * A crocodile cannot stick its tongue out Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * wording Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Reorganizing a couple paragraphs to make it flow better Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Forgot a word Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Add tip about pruning stopped containers Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Cleaning up Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Add blurb about container ls Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Adding the Docker Compose stuff Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Working on compose Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Continuing work on the compose section - it's a lot of info Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Added important settings Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Updates to settings that need configured Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Still working through compose things Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Fixed wording Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Working through compose commands and guidance Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Reordering/rewording Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * More phrasing Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * More wording in steps Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * More wording in steps Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Organizing Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Adding stuff and things Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Continuing to work through the configuration steps Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Fixes Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Fixes Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Still working on the configuration steps Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Changes Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * More work Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Removed perf analyzer - refer to GH issue 1555 Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Fixing things Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Adding guidance on passing settings in compose Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Working through dockerfile materials now Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * wording Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Finalized the sample dev compose file Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Continuing work with configuration Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Finished - ready for reviews Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Fixed a link I forgot to change before Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Changes from first proofread Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Changed heading Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Addressed reviewer comments and made some changes Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Forgot to incorporate one change. Fixed. Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Final editorial changes Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * fix#1584-custom_attr_allowlist (#1636) Signed-off-by: cwillum <cwmmoore@amazon.com> Signed-off-by: cwillum <cwmmoore@amazon.com> * Update TERMS.md with definition for Setting (#1632) * fix#1631-Terms-setting Signed-off-by: cwillum <cwmmoore@amazon.com> * fix#1631-Terms-setting Signed-off-by: cwillum <cwmmoore@amazon.com> Signed-off-by: cwillum <cwmmoore@amazon.com> * Add disclaimer about remote fs usage and an example of setting env var (#1644) * Add disclaimer about remote fs usage and an example of setting env var Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * Enhanced wording a little bit Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> * [DOC] New documentation: Self-host maps server (#1625) * Add new page self-host maps server Signed-off-by: vagimeli <vagimeli@amazon.com> * Added new content Signed-off-by: vagimeli <vagimeli@amazon.com> * Copy edit Signed-off-by: vagimeli <vagimeli@amazon.com> * Tech review edits Signed-off-by: vagimeli <vagimeli@amazon.com> * Doc review edits Signed-off-by: vagimeli <vagimeli@amazon.com> * Editorial review changes Signed-off-by: vagimeli <vagimeli@amazon.com> * Final edits Signed-off-by: vagimeli <vagimeli@amazon.com> Signed-off-by: vagimeli <vagimeli@amazon.com> * Add feedback. Signed-off-by: Naarcha-AWS <naarcha@amazon.com> * Fix links Signed-off-by: Naarcha-AWS <naarcha@amazon.com> Signed-off-by: Naarcha-AWS <naarcha@amazon.com> Signed-off-by: JeffH-AWS <jeffhuss@amazon.com> Signed-off-by: cwillum <cwmmoore@amazon.com> Signed-off-by: vagimeli <vagimeli@amazon.com> Co-authored-by: Nate Bower <nbower@amazon.com> Co-authored-by: Jeff Huss <jeffhuss@amazon.com> Co-authored-by: Chris Moore <107723039+cwillum@users.noreply.github.com> Co-authored-by: Melissa Vagi <105296784+vagimeli@users.noreply.github.com>
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To search your index for specific documents, you must include a [query]({{site.url}}{{site.baseurl}}/opensearch/query-dsl/index) in the request body that OpenSearch uses to match documents. If you don't use a query, OpenSearch treats your delete request as a simple [delete document operation]({{site.url}}{{site.baseurl}}/api-reference/document-apis/delete-document).
```json
{
"query": {
"match": {
"movie-length": "124"
}
}
}
```
## Response
```json
{
"took": 143,
"timed_out": false,
"total": 1,
"deleted": 1,
"batches": 1,
"version_conflicts": 0,
"noops": 0,
"retries": {
"bulk": 0,
"search": 0
},
"throttled_millis": 0,
"requests_per_second": -1.0,
"throttled_until_millis": 0,
"failures": []
}
```
## Response body fields
Field | Description
:--- | :---
took | The amount of time in milliseconds OpenSearch needed to complete the operation.
timed_out | Whether any delete requests during the operation timed out.
total | Total number of documents processed.
deleted | Total number of documents deleted.
batches | Number of scroll responses the request processed.
version_conflicts | Number of conflicts the request ran into.
noops | How many delete requests OpenSearch ignored during the operation. This field always returns 0.
retries | The number of bulk and search retry requests.
throttled_millis | Number of throttled milliseconds during the request.
requests_per_second | Number of requests executed per second during the operation.
throttled_until_millis | The amount of time until OpenSearch executes the next throttled request. Always equal to 0 in a delete by query request.
failures | Any failures that occur during the request.