tedious
Version:
A TDS driver, for connecting to MS SQLServer databases.
69 lines (68 loc) • 7.65 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _iconvLite = _interopRequireDefault(require("iconv-lite"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const NULL_LENGTH = Buffer.from([0xFF, 0xFF, 0xFF, 0xFF]);
const Text = {
id: 0x23,
type: 'TEXT',
name: 'Text',
hasTableName: true,
declaration: function () {
return 'text';
},
resolveLength: function (parameter) {
const value = parameter.value;
if (value != null) {
return value.length;
} else {
return -1;
}
},
generateTypeInfo(parameter, _options) {
const buffer = Buffer.alloc(10);
buffer.writeUInt8(this.id, 0);
buffer.writeInt32LE(parameter.length, 1);
if (parameter.collation) {
parameter.collation.toBuffer().copy(buffer, 5, 0, 5);
}
return buffer;
},
generateParameterLength(parameter, options) {
const value = parameter.value;
if (value == null) {
return NULL_LENGTH;
}
const buffer = Buffer.alloc(4);
buffer.writeInt32LE(value.length, 0);
return buffer;
},
generateParameterData: function* (parameter, options) {
const value = parameter.value;
if (value == null) {
return;
}
yield value;
},
validate: function (value, collation) {
if (value == null) {
return null;
}
if (typeof value !== 'string') {
throw new TypeError('Invalid string.');
}
if (!collation) {
throw new Error('No collation was set by the server for the current connection.');
}
if (!collation.codepage) {
throw new Error('The collation set by the server has no associated encoding.');
}
return _iconvLite.default.encode(value, collation.codepage);
}
};
var _default = exports.default = Text;
module.exports = Text;
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