node-ejs-renderer/node_modules/sequelize/lib/dialects/postgres/connection-manager.js
2024-06-09 13:55:01 -04:00

245 lines
9.5 KiB
JavaScript

"use strict";
const _ = require("lodash");
const AbstractConnectionManager = require("../abstract/connection-manager");
const { logger } = require("../../utils/logger");
const debug = logger.debugContext("connection:pg");
const sequelizeErrors = require("../../errors");
const semver = require("semver");
const dataTypes = require("../../data-types");
const momentTz = require("moment-timezone");
const { promisify } = require("util");
class ConnectionManager extends AbstractConnectionManager {
constructor(dialect, sequelize) {
sequelize.config.port = sequelize.config.port || 5432;
super(dialect, sequelize);
const pgLib = this._loadDialectModule("pg");
this.lib = this.sequelize.config.native ? pgLib.native : pgLib;
this._clearDynamicOIDs();
this._clearTypeParser();
this.refreshTypeParser(dataTypes.postgres);
}
_refreshTypeParser(dataType) {
const arrayParserBuilder = (parser2) => {
return (value) => this.lib.types.arrayParser.create(value, parser2).parse();
};
const rangeParserBuilder = (parser2) => {
return (value) => dataType.parse(value, { parser: parser2 });
};
if (dataType.key.toLowerCase() === "range") {
for (const name in this.nameOidMap) {
const entry = this.nameOidMap[name];
if (!entry.rangeOid)
continue;
const rangeParser = rangeParserBuilder(this.getTypeParser(entry.oid));
const arrayRangeParser = arrayParserBuilder(rangeParser);
this.oidParserMap.set(entry.rangeOid, rangeParser);
if (!entry.arrayRangeOid)
continue;
this.oidParserMap.set(entry.arrayRangeOid, arrayRangeParser);
}
return;
}
const parser = (value) => dataType.parse(value);
const arrayParser = arrayParserBuilder(parser);
if (dataType.key.toLowerCase() === "enum") {
this.enumOids.oids.forEach((oid) => {
this.oidParserMap.set(oid, parser);
});
this.enumOids.arrayOids.forEach((arrayOid) => {
this.oidParserMap.set(arrayOid, arrayParser);
});
return;
}
dataType.types.postgres.forEach((name) => {
if (!this.nameOidMap[name])
return;
this.oidParserMap.set(this.nameOidMap[name].oid, parser);
if (!this.nameOidMap[name].arrayOid)
return;
this.oidParserMap.set(this.nameOidMap[name].arrayOid, arrayParser);
});
}
_clearTypeParser() {
this.oidParserMap = /* @__PURE__ */ new Map();
}
getTypeParser(oid, ...args) {
if (this.oidParserMap.get(oid))
return this.oidParserMap.get(oid);
return this.lib.types.getTypeParser(oid, ...args);
}
async connect(config) {
config.user = config.username;
const connectionConfig = _.pick(config, [
"user",
"password",
"host",
"database",
"port"
]);
connectionConfig.types = {
getTypeParser: ConnectionManager.prototype.getTypeParser.bind(this)
};
if (config.dialectOptions) {
_.merge(connectionConfig, _.pick(config.dialectOptions, [
"application_name",
"ssl",
"client_encoding",
"binary",
"keepAlive",
"statement_timeout",
"query_timeout",
"connectionTimeoutMillis",
"idle_in_transaction_session_timeout",
"lock_timeout",
"options",
"stream"
]));
}
const connection = await new Promise((resolve, reject) => {
let responded = false;
const connection2 = new this.lib.Client(connectionConfig);
const parameterHandler = (message) => {
switch (message.parameterName) {
case "server_version":
if (this.sequelize.options.databaseVersion === 0) {
const version = semver.coerce(message.parameterValue).version;
this.sequelize.options.databaseVersion = semver.valid(version) ? version : this.dialect.defaultVersion;
}
break;
case "standard_conforming_strings":
connection2["standard_conforming_strings"] = message.parameterValue;
break;
}
};
const endHandler = () => {
debug("connection timeout");
if (!responded) {
reject(new sequelizeErrors.ConnectionTimedOutError(new Error("Connection timed out")));
}
};
connection2.once("end", endHandler);
if (!this.sequelize.config.native) {
connection2.connection.on("parameterStatus", parameterHandler);
}
connection2.connect((err) => {
responded = true;
if (!this.sequelize.config.native) {
connection2.connection.removeListener("parameterStatus", parameterHandler);
}
if (err) {
if (err.code) {
switch (err.code) {
case "ECONNREFUSED":
reject(new sequelizeErrors.ConnectionRefusedError(err));
break;
case "ENOTFOUND":
reject(new sequelizeErrors.HostNotFoundError(err));
break;
case "EHOSTUNREACH":
reject(new sequelizeErrors.HostNotReachableError(err));
break;
case "EINVAL":
reject(new sequelizeErrors.InvalidConnectionError(err));
break;
default:
reject(new sequelizeErrors.ConnectionError(err));
break;
}
} else {
reject(new sequelizeErrors.ConnectionError(err));
}
} else {
debug("connection acquired");
connection2.removeListener("end", endHandler);
resolve(connection2);
}
});
});
connection.on("error", (error) => {
connection._invalid = true;
debug(`connection error ${error.code || error.message}`);
this.pool.destroy(connection);
});
let query = "";
if (this.sequelize.options.standardConformingStrings !== false && connection["standard_conforming_strings"] !== "on") {
query += "SET standard_conforming_strings=on;";
}
if (this.sequelize.options.clientMinMessages !== void 0) {
console.warn('Usage of "options.clientMinMessages" is deprecated and will be removed in v7.');
console.warn('Please use the sequelize option "dialectOptions.clientMinMessages" instead.');
}
if (!(config.dialectOptions && config.dialectOptions.clientMinMessages && config.dialectOptions.clientMinMessages.toLowerCase() === "ignore" || this.sequelize.options.clientMinMessages === false)) {
const clientMinMessages = config.dialectOptions && config.dialectOptions.clientMinMessages || this.sequelize.options.clientMinMessages || "warning";
query += `SET client_min_messages TO ${clientMinMessages};`;
}
if (!this.sequelize.config.keepDefaultTimezone) {
const isZone = !!momentTz.tz.zone(this.sequelize.options.timezone);
if (isZone) {
query += `SET TIME ZONE '${this.sequelize.options.timezone}';`;
} else {
query += `SET TIME ZONE INTERVAL '${this.sequelize.options.timezone}' HOUR TO MINUTE;`;
}
}
if (query) {
await connection.query(query);
}
if (Object.keys(this.nameOidMap).length === 0 && this.enumOids.oids.length === 0 && this.enumOids.arrayOids.length === 0) {
await this._refreshDynamicOIDs(connection);
}
return connection;
}
async disconnect(connection) {
if (connection._ending) {
debug("connection tried to disconnect but was already at ENDING state");
return;
}
return await promisify((callback) => connection.end(callback))();
}
validate(connection) {
return !connection._invalid && !connection._ending;
}
async _refreshDynamicOIDs(connection) {
const databaseVersion = this.sequelize.options.databaseVersion;
const supportedVersion = "8.3.0";
if ((databaseVersion && semver.gte(databaseVersion, supportedVersion)) === false) {
return;
}
const results = await (connection || this.sequelize).query("WITH ranges AS ( SELECT pg_range.rngtypid, pg_type.typname AS rngtypname, pg_type.typarray AS rngtyparray, pg_range.rngsubtype FROM pg_range LEFT OUTER JOIN pg_type ON pg_type.oid = pg_range.rngtypid)SELECT pg_type.typname, pg_type.typtype, pg_type.oid, pg_type.typarray, ranges.rngtypname, ranges.rngtypid, ranges.rngtyparray FROM pg_type LEFT OUTER JOIN ranges ON pg_type.oid = ranges.rngsubtype WHERE (pg_type.typtype IN('b', 'e'));");
let result = Array.isArray(results) ? results.pop() : results;
if (Array.isArray(result)) {
if (result[0].command === "SET") {
result = result.pop();
}
}
const newNameOidMap = {};
const newEnumOids = { oids: [], arrayOids: [] };
for (const row of result.rows) {
if (row.typtype === "e") {
newEnumOids.oids.push(row.oid);
if (row.typarray)
newEnumOids.arrayOids.push(row.typarray);
continue;
}
newNameOidMap[row.typname] = { oid: row.oid };
if (row.typarray)
newNameOidMap[row.typname].arrayOid = row.typarray;
if (row.rngtypid) {
newNameOidMap[row.typname].rangeOid = row.rngtypid;
if (row.rngtyparray)
newNameOidMap[row.typname].arrayRangeOid = row.rngtyparray;
}
}
this.nameOidMap = newNameOidMap;
this.enumOids = newEnumOids;
this.refreshTypeParser(dataTypes.postgres);
}
_clearDynamicOIDs() {
this.nameOidMap = {};
this.enumOids = { oids: [], arrayOids: [] };
}
}
module.exports = ConnectionManager;
module.exports.ConnectionManager = ConnectionManager;
module.exports.default = ConnectionManager;
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