Cloudera Impala Extract Function and Examples
Cloudera extract function returns one of the numeric date or time fields from a TIMESTAMP value. Cloudera Impala extract function extracts the sub field represented by units from the date/time value, interval, or duration specified for column. This function is equivalent to Impala date_part() function but parameters reversed. In this article, we will discuss on Impala extract function and its usage with some examples. Cloudera Impala Extract Function Syntax The extract function complies with SQL-99 standard function. The syntax for extract function is same as other RDBMS extract functions. Below…