tremor-query - Query language

tremor-query is a query language created in 2019.

#2895on PLDB

5Years Old

The tremor query language, tremor-query or trickle is an interpreted statement-oriented language designed for continuous online structured queries with support filtering, extraction, transformation and streaming of structured data in a stream or event-based processing system.

Tags: queryLanguage
Read more about tremor-query on the web: 1.

Example from the web:

define grouper::bucket operator kfc;

define script categorize
script
  let $rate = 1;
  let $class = event.`group`;
  { "event": event, "rate": $rate, "class": $class };
end;


create script categorize;
# Stream ingested data into categorize script
select event from in into categorize;

create operator kfc;
# Stream scripted events into kfc bucket operator
select event from categorize into kfc;

# Stream bucketed events into out stream
select event from kfc into out;

Language features

Feature	Supported	Example	Token
Comments	✓	# A comment
Line Comments	✓	# A comment	#
Semantic Indentation	X