mcp-postgres-full-access/dist/lib/utils.js

Full-access PostgreSQL server for Model Context Protocol with read/write capabilities and enhanced schema metadata

/**
 * Safely releases a client back to the pool, handling potential
 * "already released" errors gracefully
 */
export function safelyReleaseClient(client) {
    try {
        client.release();
    }
    catch (err) {
        console.error("Error releasing client (may already be released):", err);
    }
}
/**
 * Determine if a query is read-only (DQL)
 * @param sql The SQL query to analyze
 * @returns True if the query is read-only
 */
export function isReadOnlyQuery(sql) {
    const normalizedSql = sql.trim().toUpperCase();
    return normalizedSql.startsWith("SELECT") ||
        normalizedSql.startsWith("WITH") ||
        normalizedSql.startsWith("EXPLAIN") ||
        (normalizedSql.startsWith("SHOW") && !normalizedSql.includes("CREATE"));
}
/**
 * Generate a unique transaction ID
 * @returns A unique transaction identifier
 */
export function generateTransactionId() {
    return `tx_${Date.now()}_${Math.random().toString(36).substring(2, 15)}`;
}