spark git commit: [SPARK-11578][SQL][FOLLOW-UP] complete the user facing api for typed aggregation

Repository: spark Updated Branches: refs/heads/master 47735cdc2 -> dfcfcbcc0 [SPARK-11578][SQL][FOLLOW-UP] complete the user facing api for typed aggregation Currently the user facing api for typed aggregation has some limitations: * the customized typed aggregation must be the first of

spark git commit: [SPARK-11578][SQL][FOLLOW-UP] complete the user facing api for typed aggregation

Repository: spark Updated Branches: refs/heads/branch-1.6 d2405cb5e -> 6e2e84f3e [SPARK-11578][SQL][FOLLOW-UP] complete the user facing api for typed aggregation Currently the user facing api for typed aggregation has some limitations: * the customized typed aggregation must be the first of