[GitHub] [beam] johnjcasey commented on a diff in pull request #22559: Allowing more flexible precision for TIMESTAMP, DATETIME fields.

[GitBox <gi...@apache.org>]

johnjcasey commented on code in PR #22559:
URL: https://github.com/apache/beam/pull/22559#discussion_r956206320


##########
sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/TableRowToStorageApiProto.java:
##########
@@ -73,7 +74,12 @@ public class TableRowToStorageApiProto {
   // The old dremel parser accepts this format, and so does insertall. We need to accept it
   // for backwards compatibility, and it is based on UTC time.
   private static final DateTimeFormatter DATETIME_SPACE_FORMATTER =
-      DateTimeFormatter.ofPattern("uuuu-MM-dd HH:mm:ss.SSSSSS").withZone(ZoneOffset.UTC);
+      new DateTimeFormatterBuilder()

Review Comment:
   Is there a named datetime format for this we could use instead?



##########
sdks/java/io/google-cloud-platform/src/test/java/org/apache/beam/sdk/io/gcp/bigquery/TableRowToStorageApiProtoTest.java:
##########
@@ -534,6 +556,7 @@ public void testNestedFromTableSchema() {
                   new TableCell().setV("1970-01-01T00:00:00.000+01:00"),
                   new TableCell().setV("1234567"),
                   new TableCell().setV("1970-01-01 00:00:00.000343"),
+                  new TableCell().setV("1970-01-01 00:00:00.123"),

Review Comment:
   can we also have a trailing 0 test case?



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