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Consider this Elasticsearch query:

medium📝 Predict Output Q4 of 15
Elasticsearch - Basic Search Queries
Consider this Elasticsearch query:
{ "query": { "match_phrase": { "body": "quick red fox" } } }

Which documents will this query match?
ADocuments containing "red fox" but not necessarily "quick" in the "body" field.
BDocuments containing the words "quick", "red", and "fox" anywhere in the "body" field, in any order.
CDocuments containing "quick" followed immediately by "fox" in the "body" field.
DDocuments containing the exact phrase "quick red fox" in the "body" field.
Step-by-Step Solution
Solution:
  1. Step 1: Understand match_phrase behavior

    The match_phrase query looks for the exact sequence of words in the specified order.
  2. Step 2: Analyze options

    Documents containing the exact phrase "quick red fox" in the "body" field. correctly states that the exact phrase "quick red fox" must appear. Documents containing the words "quick", "red", and "fox" anywhere in the "body" field, in any order. describes a match query behavior. Documents containing "quick" followed immediately by "fox" in the "body" field. misses the word "red". Documents containing "red fox" but not necessarily "quick" in the "body" field. ignores the presence of "quick".
  3. Final Answer:

    Documents containing the exact phrase "quick red fox" in the "body" field. -> Option D
  4. Quick Check:

    match_phrase requires exact word order [OK]
Quick Trick: match_phrase matches exact word sequence [OK]
Common Mistakes:
MISTAKES
  • Assuming match_phrase matches words in any order
  • Ignoring words in the phrase
  • Confusing match_phrase with match

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