[Solved] Which mapping type must be included in an Elasticsearch index to use percolate queries?{ "mappings": { "properties": { "query": { "type": "???" } } } } | Elasticsearch

Elasticsearch - Advanced Patterns

Which mapping type must be included in an Elasticsearch index to use percolate queries?

{
  "mappings": {
    "properties": {
      "query": {
        "type": "???"
      }
    }
  }
}

A"percolator"

B"text"

C"keyword"

D"nested"

Step-by-Step Solution

Solution:

Step 1: Identify required field type for percolate queries
Elasticsearch requires a special field type called "percolator" to store queries for percolate queries.
Step 2: Match options with required type
Only "percolator" uses "percolator" type; others are for different purposes.
Final Answer:
"percolator" -> Option A
Quick Check:
Percolate field type = "percolator" [OK]

Quick Trick: Use "percolator" type for storing queries in mapping [OK]

Common Mistakes:

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