Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Since a Spark DataFrame is immutable, you cannot update or delete records from a physical table (e.g., a Hive table) directly using Spark DataFrame/SQL API. However …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Hive is case-insensitive, both keywords and functions
You can use both double and single quotes for strings
use = rather than == for equality comparison
but it seems that == also works
use % rather …
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
15/12/29 17:22:27 ERROR yarn.ApplicationMaster: User class …