Elasticsearch - Advanced Patterns
Which of the following is the correct syntax to define an alias with a filter in Elasticsearch?
Which of the following is the correct syntax to define an alias with a filter in Elasticsearch?
easy📝 Syntax Q3 of Q15
Step-by-Step Solution
Solution:
Step 1: Check alias syntax
Elasticsearch uses "aliases" key with alias name and "filter" for filtered alias.Step 2: Validate filter structure
Filter uses "term" query for exact match; "match" is for full-text search.Final Answer:
{"aliases": {"my_alias": {"filter": {"term": {"status": "active"}}}}} -> Option BQuick Check:
Alias with filter uses "aliases" and "term" [OK]
Quick Trick: Use "aliases" with "filter" and "term" for filtered alias [OK]
Common Mistakes:
MISTAKES- Using "alias" instead of "aliases" key
- Using "query" instead of "filter"
- Using "match" instead of "term" for exact filter
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