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This was referenced Oct 1, 2026
…raction The date and time parser accepted the zone before the fraction, for example 2024-01-15T08:00:00Z.5. Read the zone only after the fraction, like ISO 8601. BREAKING CHANGE: an unquoted date and time value with the zone before the fraction (for example 2024-01-15T08:00:00Z.5) now throws ParsingException. Write the zone after the fraction: 2024-01-15T08:00:00.5Z.
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For later consideration in a major version. Do not merge now. This PR is one of two PRs that replace #144. Each PR has one breaking change. The captain decides on each PR separately.
#134 restored the v1.14.2 rule (restore commit
b49ad2b). This PR re-applies this part of5c84ef6.What breaks
An unquoted date and time value with the zone before the fraction throws
ParsingException. On v1.14.2 and main, the value parses.Example
SpecificDateTime == 2024-01-15T08:00:00Z.5ParsingExceptionSpecificDate == 2024-01-15T10:00:00+02:00.500ParsingExceptionSpecificDateTime == 2024-01-15T08:00:00.5ZJustification
A zone before the fraction is not an ISO 8601 format. The README shows only ISO 8601 values. The date parser now reads the date, the time, the fraction, and then the zone.
Migration
Write the zone after the fraction:
2024-01-15T08:00:00.5Z.README
The date and time format list says that the zone comes after the fraction. It also says that an unquoted value with the zone before the fraction throws a
ParsingException.Tests
zone_before_the_fraction_throws(2 cases).Z.5and+02:00.500are removed from the date tests.dotnet teston this branch: 470 unit tests and 296 Postgres integration tests (Testcontainers) pass, 0 failures.