Impala Date Function Support
TDV supports the date functions listed in the table below for Impala.
|
Impala Date Function |
Notes |
|
CURRENT_DATE |
|
|
CURRENT_TIME |
|
|
CURRENT_TIMESTAMP |
|
|
DATE_ADD |
|
|
DATE_SUB |
|
|
DATEDIFF |
|
|
DAY |
|
|
EXTRACT |
TDV and Impala have different logic when extracting second from timestamp. TDV includes second+millisecond. Impala does not include millisecond information. |
|
FROM_UNIXTIME |
|
|
MINUTE |
|
|
MONTH |
|
|
NOW |
|
|
SECOND |
|
|
TIMEOFDAY |
|
|
TO_DATE |
|
|
TO_TIMESTAMP |
|
|
UNIX_TIMESTAMP |
|
|
YEAR |
|