tedious
Version:
A TDS driver, for connecting to MS SQLServer databases.
53 lines (52 loc) • 5.54 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _intn = _interopRequireDefault(require("./intn"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const NULL_LENGTH = Buffer.from([0x00]);
const DATA_LENGTH = Buffer.from([0x04]);
const Int = {
id: 0x38,
type: 'INT4',
name: 'Int',
declaration: function () {
return 'int';
},
generateTypeInfo() {
return Buffer.from([_intn.default.id, 0x04]);
},
generateParameterLength(parameter, options) {
if (parameter.value == null) {
return NULL_LENGTH;
}
return DATA_LENGTH;
},
*generateParameterData(parameter, options) {
if (parameter.value == null) {
return;
}
const buffer = Buffer.alloc(4);
buffer.writeInt32LE(Number(parameter.value), 0);
yield buffer;
},
validate: function (value) {
if (value == null) {
return null;
}
if (typeof value !== 'number') {
value = Number(value);
}
if (isNaN(value)) {
throw new TypeError('Invalid number.');
}
if (value < -2147483648 || value > 2147483647) {
throw new TypeError('Value must be between -2147483648 and 2147483647, inclusive.');
}
return value | 0;
}
};
var _default = exports.default = Int;
module.exports = Int;
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