@devbro/sql-generator/dist/databases/postgresql/PostgresqlConnection.js

generic sql generator

"use strict";
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var PostgresqlConnection_exports = {};
__export(PostgresqlConnection_exports, {
  PostgresqlConnection: () => PostgresqlConnection
});
module.exports = __toCommonJS(PostgresqlConnection_exports);
var import_Connection = require("../../Connection");
var import_pg2 = require("pg");
var import_Query = require("../../Query");
var import_PostgresqlQueryGrammar = require("./PostgresqlQueryGrammar");
var import_Schema = require("../../Schema");
var import_PostgresqlSchemaGrammar = require("./PostgresqlSchemaGrammar");
var import_pg_cursor = __toESM(require("pg-cursor"));
class PostgresqlConnection extends import_Connection.Connection {
  connection;
  static pool;
  static defaults = {
    port: 5432,
    ssl: false,
    max: 20,
    idleTimeoutMillis: 1,
    // wait X milli seconds before closing an idle/released connection
    connectionTimeoutMillis: 3e4,
    // wait up to 30 seconds to obtain a new connection
    maxUses: 7500
  };
  constructor(params) {
    super();
    if (!PostgresqlConnection.pool) {
      PostgresqlConnection.pool = new import_pg2.Pool({ ...PostgresqlConnection.defaults, ...params });
    }
  }
  async connect() {
    this.connection = await PostgresqlConnection.pool.connect();
    return true;
  }
  async runQuery(sql) {
    const result = await this.connection?.query(sql.sql, sql.bindings);
    return result?.rows;
  }
  async runCursor(sql) {
    return this.connection?.query(new import_pg_cursor.default(sql.sql, sql.bindings));
  }
  async disconnect() {
    await this.connection?.release();
    return true;
  }
  getQuery() {
    return new import_Query.Query(this, new import_PostgresqlQueryGrammar.PostgresqlQueryGrammar());
  }
  getSchema() {
    return new import_Schema.Schema(this, new import_PostgresqlSchemaGrammar.PostgresqlSchemaGrammar());
  }
  async beginTransaction() {
    if (!this.connection) {
      throw new Error("No active connection to begin a transaction.");
    }
    await this.connection.query("BEGIN");
  }
  async commit() {
    if (!this.connection) {
      throw new Error("No active connection to commit a transaction.");
    }
    await this.connection.query("COMMIT");
  }
  async rollback() {
    if (!this.connection) {
      throw new Error("No active connection to rollback a transaction.");
    }
    await this.connection.query("ROLLBACK");
  }
  static async destroy() {
    PostgresqlConnection.pool.end();
    return;
  }
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  PostgresqlConnection
});
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