import { IDbConfig } from "./types";
type Tvalues<T> = T[keyof T];
export declare const sql_data_types: {
    readonly tinyint: "TINYINT";
    readonly smallint: "SMALLINT";
    readonly mediumint: "MEDIUMINT";
    readonly int: "INTEGER";
    readonly bigint: "BIGINT";
    readonly float: "FLOAT";
    readonly double: "DOUBLE";
    readonly decimal: "DECIMAL";
    readonly bit: "BIT";
    readonly date: "DATE";
    readonly time: "TIME";
    readonly year: "YEAR";
    readonly datetime: "DATETIME";
    readonly datetime3: "DATETIME(3)";
    readonly timestamp: "TIMESTAMP";
    readonly char: "CHAR";
    readonly varchar: "VARCHAR";
    readonly tinyblob: "TINYBLOB";
    readonly tinytext: "TINYTEXT";
    readonly blob: "BLOB";
    readonly text: "TEXT";
    readonly mediumblob: "MEDIUMBLOB";
    readonly mediumtext: "MEDIUMTEXT";
    readonly longblob: "LONGBLOB";
    readonly longtext: "LONGTEXT";
};
export type t_sql_data_types = Tvalues<typeof sql_data_types>;
export declare const sql_data_mode: {
    readonly notNull: "NOT NULL";
    readonly unique: "UNIQUE";
    readonly primaryKey: "PRIMARY KEY";
    readonly default: "DEFAULT";
    readonly foreign: "FOREIGN KEY";
    readonly auto_increment: "AUTO_INCREMENT";
    readonly unsigned: "UNSIGNED";
    readonly current_timestamp: "DEFAULT CURRENT_TIMESTAMP";
    readonly onUpdateCurrent_timestamp: "ON UPDATE CURRENT_TIMESTAMP";
    readonly current_timestamp3: "DEFAULT CURRENT_TIMESTAMP(3)";
    readonly onUpdateCurrent_timestamp3: "ON UPDATE CURRENT_TIMESTAMP(3)";
    readonly after: "AFTER";
    readonly comment: "COMMENT";
    readonly charsetUtf8: "charset utf8";
    readonly charsetUtf8mb4: "utf8mb4";
    readonly collateUtf8_bin: "collate utf8_bin";
    readonly engineInnodb: "engine innodb";
    readonly charset_utf8_full: "utf8mb4 COLLATE utf8mb4_unicode_ci";
};
export type t_sql_data_mode = Tvalues<typeof sql_data_mode>;
/**
 * 条件连字符
 */
export declare const cd_hyphen: {
    readonly eq: "=";
    readonly noEq: "!=";
    readonly gt: ">";
    readonly ge: ">=";
    readonly lt: "<";
    readonly le: "<=";
    readonly like: "%";
    readonly in: "in";
    readonly between: "between";
    readonly notNull: "notNull";
    readonly isNull: "isNull";
};
export type t_cd_hyphen = Tvalues<typeof cd_hyphen>;
/**
 * 排序规则
 */
export declare const order_rule: {
    desc: string;
    asc: string;
};
export type t_order_rule = Tvalues<typeof order_rule>;
export declare class DbConfig {
    base_config: {
        host: string;
        user: string;
        port: number;
        password: string;
    };
    pool_config: {
        database: string;
        waitForConnections: boolean;
        connectionLimit: number;
        maxIdle: number;
        idleTimeout: number;
        queueLimit: number;
        host: string;
        user: string;
        port: number;
        password: string;
    };
    extend_config: Required<IDbConfig>;
    changePool(configs: object): void;
    init(configs: any): void;
    opDefaultPage(): {
        page: number;
        size: number;
    };
}
/**
 * mysql实践中的高频冲突关键字
 */
export declare const HIGH_RISK_KEYWORDS: Set<string>;
export {};