Impala Function Support
Apache Impala Function Support
TDV supports the following types of functions for Apache Impala:
| • | Apache Impala Numeric Function Support |
| • | Apache Impala Aggregate Function Support |
| • | Apache Impala Conversion Function Support |
| • | Apache Impala Date Function Support |
| • | Apache Impala Conditional Function Support |
| • | Apache Impala Character Function Support |
| • | Apache Impala Analytic Function Support |
Apache Impala Numeric Function Support
|
Apache Impala Numeric Function |
Notes |
|
ABS |
|
|
ACOS |
|
|
ASIN |
|
|
ATAN |
|
|
ATAN2 |
|
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COS |
|
|
COSH |
|
|
EXP |
|
|
FLOOR |
|
|
GREATEST |
|
|
TO_HEX |
|
|
LEAST |
|
|
LN |
|
|
LOG |
|
|
LOG10 |
|
|
POW |
|
|
RAND |
|
|
RANDOM |
|
|
ROUND |
|
|
SIGN |
|
|
SIN |
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|
SINH |
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SQRT |
|
|
TAN |
|
|
TANH |
|
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TRUNC |
|
TDV supports the numeric functions listed in the table below for Apache Impala.
Apache Impala Aggregate Function Support
|
Apache Impala Aggregate Function |
Notes |
|
VARIANCE_SAMP |
|
|
EXTRACT |
|
TDV supports the aggregate functions listed in the table below for Apache Impala.
Apache Impala Conversion Function Support
|
Apache Impala Conversion Function |
Notes |
|
CAST |
|
TDV supports the conversion function listed in the table below for Apache Impala.
Apache Impala Date Function Support
|
Apache Impala Date Function |
Notes |
|
ADD_MONTHS |
|
|
DATEDIFF |
|
|
DAY |
|
|
DAYNAME |
|
|
DAYOFWEEK |
|
|
DAYOFYEAR |
|
|
HOUR |
|
|
MONTH |
|
|
SECOND |
|
|
TO_DATE |
|
|
TRUNC |
|
|
EXTRACT |
|
|
YEAR |
|
TDV supports the date function listed in the table below for Apache Impala.
Apache Impala Conditional Function Support
|
Apache Impala Conditional Function |
Notes |
|
COALESCE |
|
|
CASE |
|
|
IFNULL |
|
|
ISNULL |
|
|
NULLIF |
|
|
NVL |
|
TDV supports the conditional functions listed in the table below for Apache Impala.
Apache Impala Character Function Support
|
Apache Impala Conditional Function |
Notes |
|
CONCAT |
|
|
INITCAP |
|
|
INSTR |
|
|
LOCATE |
|
|
REGEXP_LIKE |
|
|
REPEAT |
|
|
REVERSE |
|
|
SPLIT_PART |
|
|
TRANSLATE |
|
TDV supports the character functions listed in the table below for Apache Impala.
Apache Impala Analytic Function Support
|
Apache Impala Analytic Function |
Notes |
|
DENSE_RANK |
|
|
FIRST_VALUE |
|
|
LAG |
|
|
LAST_VALUE |
|
|
LEAD |
|
|
RANK |
|
|
ROW_NUMBER |
|
TDV supports the analytic functions listed in the table below for Apache Impala.