Scalar Functions String Functions concat('first_arg', second_arg, [ parameter , ... ]) format('format_string', parameter, [ parameter , ... ]) substr('string', from, [ count...

Function Type Expressions Call Signatures Construct Signatures Generic Functions Inference Constraints Working with Constrained Values Specifying Type Arguments Guidelines f...

SHOW FUNCTIONS Description Syntax Parameters example keyword SHOW FUNCTIONS Description Syntax SHOW [ FULL ] [ BUILTIN ] FUNCTIONS [ IN | FROM db ] [ LIKE 'fun...

Date Time Functions Sptial Functions String Functions Aggregate Functions CAST

BITMAP COUNT_DISTINCT COUNT HLLUNIONAGG MAX MIN NDV PERCENTILE_APPROX STDDEV,STDDEV_POP STDDEV_SAMP SUM VARIANCESAMP,VARIANCESAMP VARIANCE,VARPOP,VARIANCEPOP

Overview Setup: Pulsar Functions Worker Setup: Configure Functions runtime How-to: Develop How-to: Debug How-to: Deploy Reference: CLI Window Functions: Context

AVG BITMAP COUNT HLLUNIONAGG MAX MIN APPROXCOUNTDISTINCT PERCENTILE_APPROX STDDEV,STDDEV_POP STDDEV_SAMP SUM VARIANCESAMP,VARIANCESAMP VARIANCE,VARPOP,VARIANCEPOP

Applying functions to data structures Applying functions to data structures Applying a functions behaviour to the elements of a data structure

Impure functions Side Effect: Printing to the console log Side Causes: Calling libraries Hint:: The function (java.util.Date.) is actually a call to instantiate a java.util.Date ...

Anonymous Functions Definition of an anonymous function Evaluating an anonymous function Anonymous function Syntatic Sugar Anonymous Functions An anonymous function is a fun...