Fix parsing RFC3339 strings

Signed-off-by: Matthias Wahl <[email protected]>

Author: mfelsche

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Fixes
+
+* Fix parsing with `std::datetime::formats::RFC3339` to allow for `Z` (zulu) timezones.
+
 ### New features
 
 * Add configuration option `path_style_access` to `s3_streamer` and `s3_reader` connectors.

tremor-cli/tests/stdlib/std/all.tremor

@@ -815,9 +815,25 @@ test::suite({
       "test": test::assert("datetime::with_timezone", datetime::with_timezone({"timestamp": 0, "tz": datetime::timezones::EUROPE_LONDON}, datetime::timezones::ATLANTIC_JAN_MAYEN), {"timestamp": 0, "tz": datetime::timezones::ATLANTIC_JAN_MAYEN})
     }),
     test::test({
-      "name": "parse",
+      "name": "parse RFC3339",
       "test": test::assert("datetime::parse", datetime::parse("2022-11-09T14:46:11.499274824+01:00", datetime::formats::RFC3339), 1668001571499274824)
     }),
+    test::test({
+      "name": "parse RFC3339 Z",
+      "test": test::assert("datetime::parse", datetime::parse("2023-04-23T13:11:37.285Z", datetime::formats::RFC3339), 1682255497285000000)
+    }),
+    test::test({
+      "name": "parse RFC2822",
+      "test": test::assert("datetime::parse", datetime::parse("Fri, 21 Nov 1997 09:55:06 -0600", datetime::formats::RFC2822), 880127706000000000)
+    }),
+    test::test({
+      "name": "format RFC2822",
+      "test": test::assert("datetime::format", datetime::format(880127706000000000, datetime::formats::RFC2822), "Fri, 21 Nov 1997 15:55:06 +0000")
+    }),
+    test::test({
+      "name": "format RFC2822 with timezone",
+      "test": test::assert("datetime::format", datetime::format(datetime::with_timezone(880127706000000000, datetime::timezones::US_CENTRAL), datetime::formats::RFC2822), "Fri, 21 Nov 1997 09:55:06 -0600")
+    }),
     test::test({
       "name": "year",
       "test": test::assert("datetime::year", datetime::year(0), 1970)

tremor-script/lib/std/datetime/formats.tremor

@@ -5,7 +5,7 @@
 ## Format for [RFC 3339](https://www.rfc-editor.org/rfc/rfc3339#section-5.6)
 ##
 ## This format is also ISO8601 compatible.
-const RFC3339 = "%Y-%m-%dT%H:%M:%S%.f%:z";
+const RFC3339 = "%+";
 
 ## Format for [RFC 2822](https://www.rfc-editor.org/rfc/rfc2822#section-3.3)
 ##