@simonecoelhosfo/optimizely-mcp-server/dist/analytics/QueryOptimizer.d.ts

Optimizely MCP Server for AI assistants with integrated CLI tools

/**
 * QueryOptimizer - Intelligent query optimization for analytics
 *
 * Optimizations:
 * - Index usage analysis
 * - Query rewriting for better performance
 * - Join order optimization
 * - Predicate pushdown
 * - Unnecessary column elimination
 * - Query plan caching
 */
import { Database } from 'better-sqlite3';
import { HybridQuery, EnhancedQueryIntent } from './types.js';
interface OptimizationResult {
    optimizedQuery: HybridQuery;
    optimizations: OptimizationDetail[];
    estimatedCost: number;
    useCache: boolean;
}
interface OptimizationDetail {
    type: 'index' | 'rewrite' | 'join_order' | 'pushdown' | 'column_elimination' | 'cache';
    description: string;
    impact: 'high' | 'medium' | 'low';
}
export declare class QueryOptimizer {
    private db;
    private indexCache;
    private statsCache;
    private queryPlanCache;
    constructor(database: Database);
    /**
     * Optimize a hybrid query
     */
    optimize(query: HybridQuery, intent?: EnhancedQueryIntent): OptimizationResult;
    /**
     * Load index information from database
     */
    private loadIndexInfo;
    /**
     * Load table statistics
     */
    private loadTableStats;
    /**
     * Analyze query execution plan
     */
    private analyzeQueryPlan;
    /**
     * Check if query is eligible for caching
     */
    private checkCacheEligibility;
    /**
     * Optimize column selection
     */
    private optimizeColumnSelection;
    /**
     * Optimize filters using indexes
     */
    private optimizeFilters;
    /**
     * Optimize join order based on table sizes
     */
    private optimizeJoins;
    /**
     * Add query hints for better execution
     */
    private addQueryHints;
    /**
     * Clear all caches
     */
    clearCache(): void;
}
export {};
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