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Concrete implementations of aggregate functions
Structsยง
- AvgFunction
- AVG(column) - averages numeric values
- Count
Function - COUNT(column) - counts non-null values
- Count
Star Function - COUNT(*) - counts all rows including nulls
- MaxFunction
- MAX(column) - finds maximum value
- MinFunction
- MIN(column) - finds minimum value
- SumFunction
- SUM(column) - sums numeric values