Class: QueryGuard::Analyzers::QueryRiskAnalyzer

Inherits:
Base
  • Object
show all
Defined in:
lib/query_guard/analyzers/query_risk_analyzer.rb

Overview

Analyzes queries for performance and safety risks. Evaluates SQL patterns, missing indexes, N+1 patterns, and other risks. Optionally enriches findings with EXPLAIN plan analysis (PostgreSQL).

Instance Attribute Summary

Attributes inherited from Base

#name

Instance Method Summary collapse

Methods inherited from Base

#enabled?

Constructor Details

#initialize ⇒ QueryRiskAnalyzer

Returns a new instance of QueryRiskAnalyzer.



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# File 'lib/query_guard/analyzers/query_risk_analyzer.rb', line 9

def initialize
  super(:query_risk)
end

Instance Method Details

#analyze(context, config) ⇒ Object 



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# File 'lib/query_guard/analyzers/query_risk_analyzer.rb', line 13

def analyze(context, config)
  findings = []
  # Only analyze if enabled
  return findings unless config.analyze_query_risks

  classifier = Analysis::QueryRiskClassifier.new(config)

  # Analyze each query individually
  context.queries.each do |query|
    risks = classifier.analyze_query(query)
    query_findings = risks_to_findings(risks, query, config)

    # Enrich with EXPLAIN analysis if enabled
    if config.use_explain_plans && config.explain_enricher
      query_findings = config.explain_enricher.enrich(query_findings, query, context)
    end

    findings.concat(query_findings)
  end

  # Analyze request-level patterns (N+1, repeated queries)
  context_risks = classifier.analyze_context_risks(context)
  findings.concat(context_risks_to_findings(context_risks, config))

  findings
end