knowledgegraph-mcp/dist/storage/providers/sql-storage.d.ts

MCP server for enabling persistent knowledge storage for Claude through a knowledge graph with multiple storage backends

import { Pool as PgPool } from 'pg';
import { StorageProvider, StorageConfig } from '../types.js';
import { KnowledgeGraph } from '../../index.js';
/**
 * SQL database storage provider for PostgreSQL only
 */
export declare class SQLStorageProvider implements StorageProvider {
    private config;
    private pgPool;
    constructor(config: StorageConfig);
    /**
     * Validate PostgreSQL connection string format
     */
    private validateConnectionString;
    /**
     * Initialize database connection and create tables
     */
    initialize(): Promise<void>;
    /**
     * Close database connections
     */
    close(): Promise<void>;
    /**
     * Health check for SQL storage
     */
    healthCheck(): Promise<boolean>;
    /**
     * Load knowledge graph from PostgreSQL database
     */
    loadGraph(project: string): Promise<KnowledgeGraph>;
    /**
     * Save knowledge graph to PostgreSQL database
     */
    saveGraph(graph: KnowledgeGraph, project: string): Promise<void>;
    /**
     * Load graph from PostgreSQL
     */
    private loadGraphPostgreSQL;
    /**
     * Save graph to PostgreSQL
     */
    private saveGraphPostgreSQL;
    /**
     * Create PostgreSQL tables
     */
    private createPostgreSQLTables;
    /**
     * Optional migration method for data migration
     */
    migrate(_project: string): Promise<void>;
    /**
     * Check if PostgreSQL trigram extension is available
     */
    private hasTrigramExtension;
    /**
     * Enable PostgreSQL trigram extension
     */
    private enableTrigramExtension;
    /**
     * Create fuzzy search indexes for PostgreSQL
     */
    private createFuzzySearchIndexes;
    /**
     * Initialize fuzzy search capabilities
     */
    initializeFuzzySearch(): Promise<void>;
    /**
     * Get the PostgreSQL pool for search strategies
     */
    getPostgreSQLPool(): PgPool | null;
}
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