@bhagat-surya-dev/dashchat-database-manager/dist/utils/db-handlers/base-handler.d.ts

AI-powered database schema analysis and management library

import { FormattedSchema } from './type';
export interface LogContext {
    method: string;
    action?: string;
    duration?: number;
    metadata?: Record<string, unknown>;
}
export declare enum LogLevel {
    INFO = "INFO",
    WARN = "WARN",
    ERROR = "ERROR",
    DEBUG = "DEBUG"
}
export interface RawColumnInfo {
    column_name: string;
    data_type: string;
    is_nullable?: string;
    type?: string;
    present_in_all_samples?: boolean;
}
export interface RawTableSchema {
    name: string;
    columns: RawColumnInfo[];
}
export interface RawTableData {
    name: string;
    sampleData: Record<string, unknown>[];
}
export interface DatabaseHandlerOptions {
    timeout?: number;
    maxSampleSize?: number;
    loggerFn?: (level: LogLevel, context: LogContext, message: string) => void;
}
export interface DatabaseHandler {
    getSchemaInfo(databaseUrl: string): Promise<FormattedSchema>;
    testConnection(databaseUrl: string): Promise<boolean>;
    getDatabaseType(): string;
}
export declare abstract class BaseDatabaseHandler implements DatabaseHandler {
    protected timeout: number;
    protected maxSampleSize: number;
    protected loggerFn?: (level: LogLevel, context: LogContext, message: string) => void;
    constructor(options?: DatabaseHandlerOptions);
    abstract getSchemaInfo(databaseUrl: string): Promise<FormattedSchema>;
    abstract testConnection(databaseUrl: string): Promise<boolean>;
    abstract getDatabaseType(): string;
    protected withTimeout<T>(promise: Promise<T>, ms?: number, errorMsg?: string): Promise<T>;
    protected log(level: LogLevel, context: LogContext, message: string): void;
    protected formatLogMessage(level: LogLevel, context: LogContext, message: string): string;
    protected logError(method: string, error: Error | unknown, context?: Record<string, unknown>): void;
    protected logInfo(method: string, message: string, data?: Record<string, unknown>): void;
}
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