32 lines
1.0 KiB
TypeScript
32 lines
1.0 KiB
TypeScript
import { Pool, PoolClient, QueryResult, QueryResultRow } from 'pg';
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import { TxnOption } from 'oak-domain/lib/types';
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import { PostgreSQLConfiguration } from './types/Configuration';
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export declare class PostgreSQLConnector {
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pool: Pool;
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configuration: PostgreSQLConfiguration;
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txnDict: Record<string, PoolClient>;
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constructor(configuration: PostgreSQLConfiguration);
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connect(): void;
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disconnect(): Promise<void>;
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startTransaction(option?: TxnOption): Promise<string>;
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/**
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* 映射隔离级别到 PostgreSQL 语法
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*/
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private mapIsolationLevel;
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exec(sql: string, txn?: string): Promise<[QueryResultRow[], QueryResult]>;
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commitTransaction(txn: string): Promise<void>;
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rollbackTransaction(txn: string): Promise<void>;
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/**
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* 执行多条 SQL 语句（用于初始化等场景）
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*/
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execBatch(sqls: string[], txn?: string): Promise<void>;
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/**
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* 获取连接池状态
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*/
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getPoolStatus(): {
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total: number;
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idle: number;
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waiting: number;
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};
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}
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