​
Overview

The search_knowledge_base function performs a semantic search within a specific knowledge base.

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Function Signature

pub async fn search_knowledge_base(
    knowledge_base_id: &str,
    options: KnowledgeBaseSearchOptions
) -> Result<KnowledgeBaseSearchResult>

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Parameters

​
knowledge_base_id
&str
required
The unique identifier of the knowledge base to search
​
options
KnowledgeBaseSearchOptions
required
Search configuration:
  • query: Search query text (required)
  • limit: Maximum number of results to return (optional, default: 10)
  • threshold: Minimum similarity score (optional, default: 0.7)

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Return Value

Returns Result<KnowledgeBaseSearchResult> containing:
  • results: Vector of search results with relevance scores
  • total_results: Total number of matching results

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Basic Usage

use wacht::api::knowledge_bases::*;

let search_options = KnowledgeBaseSearchOptions {
    query: "installation guide".to_string(),
    limit: Some(5),
    threshold: Some(0.8),
};

let results = search_knowledge_base("kb_123", search_options).await?;
println!("Found {} results", results.total_results);

for result in results.results {
    println!("Score: {:.2} - {}", result.score, result.content);
    println!("  Document: {}", result.document_name);
}

​
Advanced Usage

use wacht::api::knowledge_bases::*;

async fn find_relevant_content(
    kb_id: &str,
    query: &str,
    min_score: f32
) -> Result<Vec<(f32, String)>> {
    let options = KnowledgeBaseSearchOptions {
        query: query.to_string(),
        limit: Some(20),
        threshold: Some(min_score),
    };

    let results = search_knowledge_base(kb_id, options).await?;

    let relevant: Vec<(f32, String)> = results.results
        .into_iter()
        .filter(|r| r.score >= min_score)
        .map(|r| (r.score, r.content))
        .collect();

    println!("Found {} results with score >= {}", relevant.len(), min_score);
    Ok(relevant)
}

​
Error Handling

match search_knowledge_base("kb_123", options).await {
    Ok(results) => {
        println!("Search completed: {} results", results.total_results);
        if results.results.is_empty() {
            println!("No results found matching your query");
        } else {
            for result in results.results {
                println!("- {:.1}% match: {}",
                    result.score * 100.0,
                    result.content.chars().take(100).collect::<String>()
                );
            }
        }
    }
    Err(Error::Api { status, message, .. }) => {
        match status.as_u16() {
            404 => println!("Knowledge base not found"),
            400 => println!("Invalid search query: {}", message),
            403 => println!("Access denied: {}", message),
            _ => println!("API error {}: {}", status, message),
        }
    }
    Err(e) => println!("Search failed: {}", e),
}

​
Rate Limits

  • Search operations: 200 requests per minute
  • Burst limit: 20 requests per second