On 2023-04-13 10:07:09 -0500, Ron wrote:
> On 4/13/23 09:44, Sebastien Flaesch wrote:
> Is there an easy way to convert JSON data containing ASP.NET AJAX Dates
> into PostgreSQL timestamp?
>
> I have this kind of JSON data:
>
> {
> "PurchaseOrder" : "4500000000",
> "CreationDate" : "\/Date(1672358400000)\/",
> "LastChangeDateTime" : "\/Date(1672692813062+0100)\/"
> }
>
> Warning: Note the backslash before the slashes!
That's a Noop. According to RFC 8259, "\/" is the same as "/" (no idea
why they even specified that - it seems quite pointless).
> According to JSON spec this is valid JSON and used by AJAX Date format.
It's valid JSON, but for JSON it's just a string, not a date.
Any interpretation is strictly by convention between the sender and the
receiver.
> This looks like "milliseconds since the Unix epoch:
>
> $ date -d @1672692813.062
> Mon 02 Jan 2023 02:53:33 PM CST
>
> Thus:
> select to_timestamp(cast(1672692813062 as bigint))::timestamp;
ITYM:
select to_timestamp(1672692813062/1000.0);
hp
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_ | Peter J. Holzer | Story must make more sense than reality.
|_|_) | |
| | | hjp@hjp.at | -- Charles Stross, "Creative writing
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