On 4/14/20 4:09 PM, Alvaro Herrera wrote: > On 2020-Apr-14, Andrew Dunstan wrote: > >> OK, but I think if we're putting a timestamp string in ISO-8601 format >> in the manifest it should be in UTC / Zulu time, precisely to avoid >> these issues. If that's too much trouble then yes an epoch time will >> probably do. > The timestamp is always specified and always UTC (except the code calls > it GMT). > > + /* > + * Convert last modification time to a string and append it to the > + * manifest. Since it's not clear what time zone to use and since time > + * zone definitions can change, possibly causing confusion, use GMT > + * always. > + */ > + appendStringInfoString(&buf, "\"Last-Modified\": \""); > + enlargeStringInfo(&buf, 128); > + buf.len += pg_strftime(&buf.data[buf.len], 128, "%Y-%m-%d %H:%M:%S %Z", > + pg_gmtime(&mtime)); > + appendStringInfoString(&buf, "\""); > > I was merely saying that it's trivial to make this iso-8601 compliant as > > buf.len += pg_strftime(&buf.data[buf.len], 128, "%Y-%m-%dT%H:%M:%SZ", > > ie. omit the "GMT" string and replace it with a literal Z, and remove > the space and replace it with a T. >
+1 cheers andre -- Andrew Dunstan https://www.2ndQuadrant.com PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services