Kotlin datetime format by Jolanrensen · Pull Request #1777 · Kotlin/dataframe

migrated Uuid and Duration parsers to parseOrNull, since they are now available

Jolanrensen

committed

parser implementation revamp:

Jolanrensen

committed

As one type can now have multiple parsers, I reimplemented the parsers as converter logic, taking multiple parsers into account, running them all in order with their fallback mechanisms.

Jolanrensen

committed

New parser implementation for java/kotlin datetime types:

Jolanrensen

committed

Moved (global) ParserOptions to new file.

Jolanrensen

committed

Added missing conversions regarding Duration and java.time.Duration (interesting case, because Duration is a value class)

Jolanrensen

committed

allowing ParserOptions now for every convert {}.to<>() call, because we cannot always know the source column is a String column.

Jolanrensen

committed

deprecated Kotlin date-time conversion functions that took java arguments with workarounds

Jolanrensen

committed

CLAUDE AI WARNING, check extra carefully!

Jolanrensen

committed

apidump

Jolanrensen

committed

linting

Jolanrensen

committed

tiny test fix

Jolanrensen

committed

replaced convert toLocalDate conversion in netflix notebook

Jolanrensen

committed

various small fixes after review for parse and convert

Jolanrensen

committed

removed String->Double specific workaround because converters can now actually use multiple parsers

Jolanrensen

committed

updated convert grammar

Jolanrensen

committed

made Java Instants use DateTimeFormatter parsing system too.

Jolanrensen

committed

added some missing kdocs to GlobalParserOptions and added the `availableParserTypes: Set<KType>` value

Jolanrensen

committed

fixed parser date-time skipping boolean logic. found bug for converter being skipped due to global parser options.

Jolanrensen

committed

rewrote convert + parse logic to global parser options will not affect conversions

Jolanrensen

committed

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Kotlin datetime format#1777

Kotlin datetime format#1777
Jolanrensen merged 20 commits into
masterfrom
kotlin-datetime-format

Commits on Apr 20, 2026

migrated Uuid and Duration parsers to parseOrNull, since they are now available

parser implementation revamp:

As one type can now have multiple parsers, I reimplemented the parsers as converter logic, taking multiple parsers into account, running them all in order with their fallback mechanisms.

New parser implementation for java/kotlin datetime types:

Moved (global) ParserOptions to new file.

Added missing conversions regarding Duration and java.time.Duration (interesting case, because Duration is a value class)

allowing ParserOptions now for every convert {}.to<>() call, because we cannot always know the source column is a String column.

deprecated Kotlin date-time conversion functions that took java arguments with workarounds

CLAUDE AI WARNING, check extra carefully!

apidump

linting

tiny test fix

replaced convert toLocalDate conversion in netflix notebook

various small fixes after review for parse and convert

removed String->Double specific workaround because converters can now actually use multiple parsers

updated convert grammar

made Java Instants use DateTimeFormatter parsing system too.

added some missing kdocs to GlobalParserOptions and added the `availableParserTypes: Set<KType>` value

fixed parser date-time skipping boolean logic. found bug for converter being skipped due to global parser options.

rewrote convert + parse logic to global parser options will not affect conversions