[Solved] What will happen if you add pre_tags and post_tags in the highlight section like this?"highlight": {"fields": {"content": {}}, "pre_tags": [""], "post_tags": [""]} | Elasticsearch

Elasticsearch - Search Results and Scoring

What will happen if you add pre_tags and post_tags in the highlight section like this?

"highlight": {"fields": {"content": {}}, "pre_tags": [""], "post_tags": [""]}

AThe entire content field will be wrapped with and tags.

BThe query will ignore pre_tags and post_tags and use default tags.

CMatched text in content will be wrapped with and tags.

DThe query will fail due to invalid tag syntax.

Step-by-Step Solution

Solution:

Step 1: Understand pre_tags and post_tags usage
These tags define how matched text is wrapped in the highlight output.
Step 2: Predict effect on matched text
Matched parts in content will be wrapped with and as specified.
Final Answer:
Matched text in content will be wrapped with and tags. -> Option C
Quick Check:
pre_tags/post_tags wrap matched text [OK]

Quick Trick: Use pre_tags/post_tags to customize highlight wrappers [OK]

Common Mistakes:

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