nizarhejazi opened a new pull request, #8468:
URL: https://github.com/apache/pinot/pull/8468
## Description
Add support for single-valued `BigDecimal` data type (`BIG_DECIMAL`) across
different SQL statements and Pinot functions. The underlying stored data type
is `byte[]`.
- Conversion between different Pinot data types and BigDecimal.
- Document the reason for choosing specific BigDecimal methods (constructor
vs. valueOf, equals vs. compareTo, etc.) and accompanying data structures
(TreeSet vs. HashSet, ObjectMapper with ExactBigDecimals etc.)
- Extend DataFetcher to fetch BigDecimal values.
- Support BIG_DECIMAL in:
- SELECT statement.
- DISTINCT statement.
- ORDER BY statement.
- GROUP BY statement.
- HAVING statement.
- CASE statement.
- CAST transform.
- Groovy transform.
- Identifier transform.
- Literal transform.
- Lookup transform.
- JsonPathEvaluator (w/ custom ObjectMapper and JsonNodeFactory).
- JsonExtractScalar transform.
- Addition, Subtraction, Multiplication, and Division.
- abs(), ceil(), and floor() math functions.
- Greatest, and Least transforms.
- EQUAL, NOT_EQUAL, IN, NOT_IN, RANGE predicates.
- NoDictionary based EQUAL, NOT_EQUAL and IN predicates.
- Binary operators (=, !=, >=, >, <=, <).
- BigDecimalDictionary
- BaseDataTable.
- FieldSpec.
- ~27 unit tests.
## Release Notes
**<code>release-notes</code>**
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