What is term in Elasticsearch query?

What is term in Elasticsearch query?

Term queryedit. Returns documents that contain an exact term in a provided field. You can use the term query to find documents based on a precise value such as a price, a product ID, or a username. By default, Elasticsearch changes the values of text fields as part of analysis.

How do I query fields in Elasticsearch?

Retrieve selected fields from a searchedit

  1. Use the fields option to extract the values of fields present in the index mapping.
  2. Use the _source option if you need to access the original data that was passed at index time.

What is the difference between match and term in Elasticsearch?

Match query is the standard query for querying the text fields. We might call match query an equivalent of the term query but for the text type fields (while term should be used solely for the keyword type field when working with text data).

How to achieve case insensitivity in Elasticsearch?

Remember we can always do “title.keyword” to look for eact match but it’ll make elastic search to not analyze the field and we won’t be able to achieve case insensitivity in search. Hence, match query won’t work. Terms query doesn’t analyze the given query string, it looks for the value given to it.

How does the match query work in Elasticsearch?

To better search text fields, the match query also analyzes your provided search term before performing a search. This means the match query can search text fields for analyzed tokens rather than an exact term. The term query does not analyze the search term. The term query only searches for the exact term you provide.

Is the search field lowercase in Elasticsearch?

Elasticsearch will analyze the text field lowercase unless you define a custom mapping. Exact values (like numbers, dates, and keywords) have the exact value specified in the field added to the inverted index in order to make them searchable. However, text fields are analyzed.

What does the default value of Elasticsearch mean?

Default is false which means the case sensitivity of matching depends on the underlying field’s mapping. By default, Elasticsearch changes the values of text fields during analysis. For example, the default standard analyzer changes text field values as follows: