DbAggregate constants

The DbAggregate constants identify the SQL aggregate functions for a field in a schema.

Constant Value Description
_DB_AGGR_COUNT 1 Returns the count of records that have somevalue in the field.
_DB_AGGR_SUM 2 Returns the sum of the values of a field.
_DB_AGGR_AVG 3 Returns the average value of a field.
_DB_AGGR_MIN 4 Returns the minimum value of a field.
_DB_AGGR_MAX 5 Returns the maximum value of a field.
Note: SUM & AVG are supported only for numeric fields (that is, integer or float field types). The other functions work for for any field type.