postgrejs
Version:
Professional PostgreSQL client NodeJS
77 lines (76 loc) • 2.9 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.ArrayTimestamptzType = exports.TimestamptzType = void 0;
const constants_js_1 = require("../constants.js");
const parse_datetime_js_1 = require("../util/parse-datetime.js");
const timeShift = 946684800000;
const timeMul = 4294967296;
exports.TimestamptzType = {
name: 'timestamptz',
oid: constants_js_1.DataTypeOIDs.timestamptz,
jsType: 'Date',
parseBinary(v, options) {
const fetchAsString = options.fetchAsString &&
options.fetchAsString.includes(constants_js_1.DataTypeOIDs.timestamptz);
const hi = v.readInt32BE();
const lo = v.readUInt32BE(4);
if (lo === 0xffffffff && hi === 0x7fffffff)
return fetchAsString ? 'infinity' : Infinity;
if (lo === 0x00000000 && hi === -0x80000000)
return fetchAsString ? '-infinity' : -Infinity;
// Shift from 2000 to 1970
let d = new Date((lo + hi * timeMul) / 1000 + timeShift);
if (fetchAsString || !options.utcDates) {
d = new Date(d.getFullYear(), d.getMonth(), d.getDate(), d.getHours(), d.getMinutes(), d.getSeconds(), d.getMilliseconds());
}
return fetchAsString ? dateToTimestamptzString(d) : d;
},
encodeBinary(buf, v, options) {
if (typeof v === 'string')
v = (0, parse_datetime_js_1.parseDateTime)(v, true, true, options.utcDates);
if (v === Infinity) {
buf.writeInt32BE(0x7fffffff); // hi
buf.writeUInt32BE(0xffffffff); // lo
return;
}
if (v === -Infinity) {
buf.writeInt32BE(-0x80000000); // hi
buf.writeUInt32BE(0x00000000); // lo
return;
}
if (!(v instanceof Date))
v = new Date(v);
let n = v.getTime();
n = (n - timeShift) * 1000;
const hi = Math.floor(n / timeMul);
const lo = n - hi * timeMul;
buf.writeInt32BE(hi);
buf.writeUInt32BE(lo);
},
parseText(v, options) {
const d = (0, parse_datetime_js_1.parseDateTime)(v, true, true, options.utcDates);
if (options.fetchAsString &&
options.fetchAsString.includes(constants_js_1.DataTypeOIDs.timestamptz)) {
if (d instanceof Date)
return dateToTimestamptzString(d);
if (d === Infinity)
return 'infinity';
if (d === -Infinity)
return '-infinity';
return '';
}
return d;
},
isType(v) {
return v instanceof Date;
},
};
function dateToTimestamptzString(d) {
return d.toISOString().replace('T', ' ');
}
exports.ArrayTimestamptzType = {
...exports.TimestamptzType,
name: '_timestamptz',
oid: constants_js_1.DataTypeOIDs._timestamptz,
elementsOID: constants_js_1.DataTypeOIDs.timestamptz,
};