Akanksha-kedia opened a new pull request, #17642:
URL: https://github.com/apache/pinot/pull/17642
## Description
Adds the `INITCAP` function to Apache Pinot's scalar function library. This
is a standard SQL function that converts the first letter of each word to
uppercase and the rest to lowercase.
## Changes
- Implemented `initcap()` function in `StringFunctions.java`
- Added comprehensive unit tests with 40+ test cases
- Handles edge cases: empty strings, multiple spaces, special characters,
Unicode
## Example Usage
```sql
SELECT INITCAP('hello world') FROM myTable
-- Returns: 'Hello World'
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