127 lines
2.6 KiB
Markdown
127 lines
2.6 KiB
Markdown
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---
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title: http_commands
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updated: 2021-05-04 14:58:11Z
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created: 2021-05-04 14:58:11Z
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---
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# HTTP API commands
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### list indexes
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```http
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GET /_cat/indices?v <!-- index with all columns -->
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GET /_cat/indices
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GET /<index>/_mapping <!-- get all mappings of index catalog -->
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GET /<index>/_doc/<id>
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GET /_cat/health?v <!-- info about cluster and nodes -->
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```
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### Searches
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```http
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GET /<index>,<index>/<type>/_search <!-- Searches over all indices on types -->
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GET _search <!-- Searches every index on all types -->
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```
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### Most basic query; it returns all the content and with the score of 1.0 for every object.
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```http
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GET /<index>/_search
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{
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"query":{
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"match_all":{}
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}
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}
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```
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### exanple
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```http
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GET /customer/_search
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{
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"query": { <!-- when search query is first level always -->
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"match" : { "name" : "John Doe" }
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}
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}
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```
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### Index API CRUD operations
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```http
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PUT /catalog/_doc/1
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PUT /<index>/<type>/<id> <!-- providing an ID -->
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POST /catalog/_doc{....}
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POST /<index>/<type> <!-- without providing an ID; ID = generated hash string -->
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POST /catalog/_update/1{ doc { ....} }
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POST <index>/<type>/<id>/_update
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DELETE <index>/<type>/<id>
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```
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### Creating an **new** index
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## Elasticsearch Query DSL
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```http
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PUT /catalog
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{
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"settings": {
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"index": {
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"number_of_shards": <int>,
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"number_of_replicas": <int>
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}
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},
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"mappings": {
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"properties": {
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"speaker": {"type": "keyword"},
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"play_name": {"type": "keyword"},
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"line_id": {"type": "integer"},
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"description": {"type": "text"}
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"speech_number": {"type": "integer"}
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}
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}
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}
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```
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### Adding a type mapping in an existing index
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merged into the existing mappings of the _doc type
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```http
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PUT /<index>/_mapping
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{
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"properties": {
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"name": {
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"type": "text"
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}
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}
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}
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```
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### Formatting the JSON response
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```bash
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curl -XGET http://localhost:9200/catalog/_doc/1?pretty=true
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```
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### Standard tokenizer
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```http
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POST _analyze
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{"tokenizer": "standard", "text": "Tokenizer breaks characters into tokens!"
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}
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```
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### analyzer example with english stopwords
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```http
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PUT index_standard_analyzer_english_stopwords
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{ "settings": {
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"analysis": {
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"analyzer": {
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"std": {
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"type": "standard",
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"stopwords": "_english_" }
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}
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}
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},
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"mappings": {
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"properties": {
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"my_text": { "type": "text", "analyzer": "std"
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}
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}
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}
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}
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```
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