branch-4.1: [Bug](function) add ndv decimalv2 support #61546#61578
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yiguolei merged 1 commit intobranch-4.1from Mar 20, 2026
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branch-4.1: [Bug](function) add ndv decimalv2 support #61546#61578yiguolei merged 1 commit intobranch-4.1from
yiguolei merged 1 commit intobranch-4.1from
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This pull request focuses on improving support for the `DECIMALV2` data type in aggregate functions and updating related regression tests to ensure correctness. The most important changes are grouped below: ### Aggregate Function Support * Added `TYPE_DECIMALV2` to the supported types for the `approx_count_distinct` aggregate function in `aggregate_function_approx_count_distinct.cpp`, enabling this function to work with `DECIMALV2` columns. ### Regression Test Enhancements * Updated the output in `test_decimalv2.out` to reflect higher precision for `DECIMALV2` values, showing results with more decimal places to match the new behavior. * Added a new test case in `test_decimalv2.groovy` to verify the correct behavior of the `ndv` (number of distinct values) aggregate function on `DECIMALV2` columns.
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yiguolei
approved these changes
Mar 20, 2026
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Cherry-picked from #61546