Impala String Function Support
TDV supports the string functions listed in the table below for Impala.
|
Impala String Function |
Notes |
|
ASCII |
|
|
CONCAT |
|
|
LCASE |
|
|
LENGTH |
|
|
LOWER |
|
|
LPAD |
|
|
LTRIM |
|
|
REPLACE |
|
|
RPAD |
|
|
RTRIM |
|
|
SPACE |
|
|
SUBSTR |
Impala and TDV have different logic to handle substr(), when the start index is a negative value. |
|
SUBSTRING |
|
|
TRIM |
|
|
UCASE |
|
|
UPPER |
|