teradatasql
Version:
Teradata SQL Driver for Node.js
132 lines • 5.81 kB
JavaScript
;
// Copyright 2023 by Teradata Corporation. All rights reserved.
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
// This sample program demonstrates how to FastLoad a CSV file.
// @ts-ignore
const teradatasql = __importStar(require("teradatasql"));
const fs = __importStar(require("fs"));
const con = teradatasql.connect({ host: "whomooz", user: "guest", password: "please" });
try {
const cur = con.cursor();
try {
const sTableName = "FastLoadCSV";
let sRequest = "DROP TABLE " + sTableName;
console.log(sRequest);
cur.execute(sRequest, undefined, 3807); // ignoreErrors = 3807
sRequest = "DROP TABLE " + sTableName + "_ERR_1";
console.log(sRequest);
cur.execute(sRequest, undefined, 3807); // ignoreErrors = 3807
sRequest = "DROP TABLE " + sTableName + "_ERR_2";
console.log(sRequest);
cur.execute(sRequest, undefined, 3807); // ignoreErrors = 3807
const records = ["c1,c2", "1,", "2,abc", "3,def", "4,mno", "5,", "6,pqr", "7,uvw", "8,xyz", "9,"];
console.log("records", records);
const csvFileName = "dataJs.csv";
for (const record of records) {
fs.appendFileSync(csvFileName, record + "\n");
}
try {
sRequest = "CREATE TABLE " + sTableName + " (c1 INTEGER NOT NULL, c2 VARCHAR(10))";
console.log(sRequest);
cur.execute(sRequest);
try {
console.log("con.autocommit = false");
con.autocommit = false;
try {
const sInsert = "{fn teradata_require_fastload}{fn teradata_read_csv(" + csvFileName + ")}INSERT INTO " + sTableName + " (?, ?)";
console.log(sInsert);
cur.execute(sInsert);
// obtain the warnings and errors for transmitting the data to the database -- the acquisition phase
sRequest = "{fn teradata_nativesql}{fn teradata_get_warnings}" + sInsert;
console.log(sRequest);
cur.execute(sRequest);
let rows = cur.fetchall();
for (const row of rows) {
console.log(row);
}
sRequest = "{fn teradata_nativesql}{fn teradata_get_errors}" + sInsert;
console.log(sRequest);
cur.execute(sRequest);
rows = cur.fetchall();
for (const row of rows) {
console.log(row);
}
sRequest = "{fn teradata_nativesql}{fn teradata_logon_sequence_number}" + sInsert;
console.log(sRequest);
cur.execute(sRequest);
rows = cur.fetchall();
for (const row of rows) {
console.log(row);
}
console.log("con.commit()");
con.commit();
// obtain the warnings and errors for the apply phase
sRequest = "{fn teradata_nativesql}{fn teradata_get_warnings}" + sInsert;
console.log(sRequest);
cur.execute(sRequest);
rows = cur.fetchall();
for (const row of rows) {
console.log(row);
}
sRequest = "{fn teradata_nativesql}{fn teradata_get_errors}" + sInsert;
console.log(sRequest);
cur.execute(sRequest);
rows = cur.fetchall();
for (const row of rows) {
console.log(row);
}
}
finally {
console.log("con.autocommit = true");
con.autocommit = true;
}
sRequest = "SELECT * FROM " + sTableName + " ORDER BY 1";
console.log(sRequest);
cur.execute(sRequest);
const rows = cur.fetchall();
for (const row of rows) {
console.log(row);
}
}
finally {
sRequest = "DROP TABLE " + sTableName;
console.log(sRequest);
cur.execute(sRequest);
}
}
finally {
console.log(`delete ${csvFileName}`);
fs.unlinkSync(csvFileName);
}
}
finally {
cur.close();
}
}
finally {
con.close();
}
//# sourceMappingURL=FastLoadCSV.js.map