tedious
Version:
A TDS driver, for connecting to MS SQLServer databases.
77 lines (75 loc) • 11 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _token = require("./token");
var iconv = _interopRequireWildcard(require("iconv-lite"));
var _valueParser = require("../value-parser");
var _helpers = require("./helpers");
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
// s2.2.7.17
async function rowParser(parser) {
const columns = [];
for (const metadata of parser.colMetadata) {
while (true) {
if ((0, _valueParser.isPLPStream)(metadata)) {
const chunks = await (0, _valueParser.readPLPStream)(parser);
if (chunks === null) {
columns.push({
value: chunks,
metadata
});
} else if (metadata.type.name === 'NVarChar' || metadata.type.name === 'Xml') {
columns.push({
value: Buffer.concat(chunks).toString('ucs2'),
metadata
});
} else if (metadata.type.name === 'VarChar') {
columns.push({
value: iconv.decode(Buffer.concat(chunks), metadata.collation?.codepage ?? 'utf8'),
metadata
});
} else if (metadata.type.name === 'VarBinary' || metadata.type.name === 'UDT') {
columns.push({
value: Buffer.concat(chunks),
metadata
});
}
} else {
let result;
try {
result = (0, _valueParser.readValue)(parser.buffer, parser.position, metadata, parser.options);
} catch (err) {
if (err instanceof _helpers.NotEnoughDataError) {
await parser.waitForChunk();
continue;
}
throw err;
}
parser.position = result.offset;
columns.push({
value: result.value,
metadata
});
}
break;
}
}
if (parser.options.useColumnNames) {
const columnsMap = Object.create(null);
columns.forEach(column => {
const colName = column.metadata.colName;
if (columnsMap[colName] == null) {
columnsMap[colName] = column;
}
});
return new _token.RowToken(columnsMap);
} else {
return new _token.RowToken(columns);
}
}
var _default = exports.default = rowParser;
module.exports = rowParser;
//# 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