我有两项现有措施:
measure: measure_1{
type:count
sql:${TABLE}.example1;;
}
measure: measure_2{
type:count
sql:${TABLE}.example2;;
}
我正在尝试将小节一和小节二分开:
measure: measure_3 {
type: number
sql: measure_1/measure_2;;
我收到错误,表格不存在。无论如何,我可以使用现有措施来制定新措施吗?
答案 0 :(得分:2)
您说对了,只是语法错误,需要将度量包装在$ {}中,否则Looker认为您是在引用SQL字段。
measure: measure_3 {
type: number
sql: ${measure_1}/${measure_2};;
}
提示:请考虑小数和零除:
sql: 1.0 * ${measure_1}/NULLIF(${measure_2},0);;