Data Lake for Enterprises

Important queries in Query DSL

The following are some of the important queries showing off Query DSL:

• match_all: Matches all the documents. The default query that runs when nothing is specified. This can be used in conjunction with filter and returns all the documents satisfying the filter condition.

{     “match_all”: {}}

• match: Used when you need full text or exact match on any of the fields in the document:

{     “match”: {         “field_name”: “phrase_which_has_to_be_searched”     }}

• multi_match: Can be used to match multiple fields in a document. It is like executing multiple match queries:

{     “multi_match”: {         “query”: “phrase_which_has_to_be_searched”,         “fields”: [ “field1”, “field2” ]     }}

• range: Used for numbers or date fields that fall in ...