SUM_FLOAT [Aggregate]
Computes the sum of an expression over a group of rows and returns a DOUBLE PRECISION
value.
Behavior Type
Syntax
SUM_FLOAT ( [ ALL | DISTINCT ] expression )
Parameters
ALL |
Invokes the aggregate function for all rows in the group (default). |
DISTINCT |
Invokes the aggregate function for all distinct non-null values of the expression found in the group. |
expression |
Any expression whose result is type |
Overflow Handling
By default, Vertica allows silent numeric overflow when you call this function on numeric data types. For more information on this behavior and how to change it, see Numeric Data Type Overflow with SUM, SUM_FLOAT, and AVG.Example
The following query returns the floating-point sum of the average price from the product table:
=> SELECT SUM_FLOAT(average_competitor_price) AS cost FROM product_dimension; cost ---------- 18181102 (1 row)