Cloudera Impala Function Support

TDV supports the following types of functions for Cloudera Impala:

•

•

•

•

•

•

Cloudera Impala Numeric Function Support

Cloudera Impala Numeric Function	Notes
ABS
ACOS
ASIN
ATAN
ATAN2
COS
COSH
COT
EXP
FACTORIAL
FLOOR
MOD
GREATEST
TO_HEX
LEAST
LN
LOG
LOG10
POW
RAND
RANDOM
ROUND
SIGN
SIN
SINH
SQRT
TAN
TANH
TRUNC

TDV supports the numeric functions listed in the table below for Cloudera Impala.

Cloudera Impala Aggregate Function	Notes
VARIANCE_SAMP
VARIANCE_POP
VARIANCE
STDDEV
STDDEV_SAMP
STDDEV_POP
EXTRACT
CAST

TDV supports the aggregate functions listed in the table below for Cloudera Impala.

Cloudera Impala Date Function	Notes
ADD_MONTHS
DATEDIFF
DAY
DAYNAME
DAYOFWEEK
DAYOFYEAR
HOUR
MONTHS_BETWEEN
SECOND
TO_DATE
TRUNC
EXTRACT
YEAR

TDV supports the date function listed in the table below for Cloudera Impala.

Cloudera Impala Conditional Function	Notes
COALESCE
CASE
DECODE
IFNULL
ISNULL
NULLIF
NVL

TDV supports the conditional functions listed in the table below for Cloudera Impala.

Cloudera Impala Character Function	Notes
BTRIM
CHR
CONCAT
INITCAP
INSTR
LOCATE
REGEXP_LIKE
REVERSE
SPLIT_PART
TRANSLATE

TDV supports the character functions listed in the table below for Cloudera Impala.

Cloudera Impala Analytic Function	Notes
CUME_DIST
DENSE_RANK
FIRST_VALUE
LAG
LAST_VALUE
LEAD
NTILE
PERCENT_RANK
RANK
ROW_NUMBER

TDV supports the aggregate functions listed in the table below for Cloudera Impala.