func (p *PostgresDataSource) AggregateType(q straumur.Query, s string) (map[string]int, error) {
if !q.IsValidArrayType(s) {
return nil, errors.New("Invalid type")
}
query, args := buildAggregateQuery(q, s)
m := make(map[string]int)
err := p.wrapTransaction(func(tx *sql.Tx) error {
rows, err := tx.Query(query, args...)
defer rows.Close()
for rows.Next() {
var cStr string
var cInt int
rows.Scan(&cStr, &cInt)
m[cStr] = cInt
}
return err
})
return m, err
}
