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--- courses:cs397:winter2017:elasticsearch [2017/03/27 17:18] – [Sorting Examples] admin
+++ courses:cs397:winter2017:elasticsearch [2017/04/16 19:24] – [Aggregations] admin
@@ Line 2: / Line 2: @@
 The following assumes that elasticsearch is running on the localhost on port 9200.
+How do I learn more?  https://www.elastic.co/guide/en/elasticsearch/reference/current/_executing_searches.html
 ===== General Info about elasticsearch instance =====
@@ Line 22: / Line 24: @@
   curl –XGET ‘localhost:9200/index/_search?pretty’
+==== Filtering Results ====
+Only get results that match certain criteria:
+  curl -XGET 'localhost:9200/index/_search?pretty' -H 'Content-Type: application/json' –d’{"query": { "match": { "field": "value" } } }'
+  curl -XGET 'localhost:9200/index/_search?pretty' -H 'Content-Type: application/json' –d’{ "query": {
+    "bool": {
+      "must": [
+        { "match": { "address": "mill" } },
+        { "match": { "address": "lane" } }
+        ]
+      }
+    }
+  }'
 ==== Sorting Examples ====
@@ Line 37: / Line 56: @@
       { "field": "asc" }
     ]
+  }'
+==== Limiting Results ====
+Only give one result back from searching ''index'':
+  curl -XGET 'localhost:9200/index/_search?q=*&size=1&pretty'
+Give back one result, starting at search result 10, from ''index''
+  curl -XGET 'localhost:9200/bank/_search?q=*&size=1&from=10&pretty'
+==== Aggregations ====
+Finding distinct entities
+  curl -XGET 'localhost:9200/bank/_search?pretty' -H 'Content-Type: application/json' -d'
+  {
+    "size": 0,
+    "aggs": {
+      "group_by_state": {
+        "terms": {
+          "field": "state.keyword"
+        }
+      }
+    }
   }'
@@ Line 51: / Line 96: @@
   curl –XPUT ‘localhost:9200/index/external/newid?pretty’ –d’{“field”:”data”}’
+===== Deleting Information =====
+  curl -XDELETE 'localhost:9200/students?pretty'