Gideon Potok

change in opinionation about iCalendar-RFC-5545 section

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https://icalendar.org/iCalendar-RFC-5545/3-3-4-date.html Sometimes, despite `VALUE=DATE`, it will not also be the case that ` len(s) == 8`. When that happens, the date and thus the entire VEVENT will fail to parse,...

These docs don't ever import QL.. The very beginning should perhaps include the following two directions: ``` pip install QuantLib-Python ``` and ``` import QuantLib as ql ```

### What changes were proposed in this pull request? [SPARK-47353](https://issues.apache.org/jira/browse/SPARK-47353) #### Pull requests [Scala TreeMap (RB Tree)](https://github.com/apache/spark/pull/46404) [GroupMapReduce](https://github.com/apache/spark/pull/46526) CollationFactory.getCollationKey(UTF8String.fromString(key), collationId) case (key: UTF8String, _) => CollationFactory.getCollationKey(key, collationId) case (key, _)...

[WIP][SPARK-47353][SQL] Enable collation support for the Mode expression using a scala TreeMap (RB Tree)

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### What changes were proposed in this pull request? [SPARK-47353](https://issues.apache.org/jira/browse/SPARK-47353) #### Pull requests [Scala TreeMap (RB Tree)](https://github.com/apache/spark/pull/46404) [GroupMapReduce](https://github.com/apache/spark/pull/46526)

Here is the PR description for the alternative PR: --- ### PR Description #### Introduction This PR proposes an alternative approach to the original implementation using `TreeMap` with a custom...

[SPARK-48700] [SQL] Mode expression for complex types (all collations)

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### What changes were proposed in this pull request? Add support for complex types with subfields that are collated strings, for the mode operator. ### Why are the changes needed?...