Welcome to the AWS Code Examples Repository. This repo contains code examples used in the AWS documentation, AWS SDK Developer Guides, and more. For more information, see the Readme.md file below.
|
|
-- Application code uploaded to a Kinesis Data Analytics application to demonstrate
|
||
|
|
-- how to process data from an input stream to a destination stream.
|
||
|
|
-- Creates a temporary stream.
|
||
|
|
CREATE OR REPLACE STREAM "TEMP_STREAM" (
|
||
|
|
"heartRate" INTEGER,
|
||
|
|
"rateType" varchar(20),
|
||
|
|
"ANOMALY_SCORE" DOUBLE);
|
||
|
|
|
||
|
|
-- Creates another stream for application output.
|
||
|
|
CREATE OR REPLACE STREAM "DESTINATION_SQL_STREAM" (
|
||
|
|
"heartRate" INTEGER,
|
||
|
|
"rateType" varchar(20),
|
||
|
|
"ANOMALY_SCORE" DOUBLE);
|
||
|
|
|
||
|
|
-- Computes an anomaly score for each record in the input stream
|
||
|
|
-- using Random Cut Forest
|
||
|
|
CREATE OR REPLACE PUMP "STREAM_PUMP" AS
|
||
|
|
INSERT INTO "TEMP_STREAM"
|
||
|
|
SELECT STREAM "heartRate", "rateType", ANOMALY_SCORE
|
||
|
|
FROM TABLE(RANDOM_CUT_FOREST(
|
||
|
|
CURSOR(SELECT STREAM * FROM "SOURCE_SQL_STREAM_001")));
|
||
|
|
|
||
|
|
-- Sorts records by descending anomaly score and inserts them into the output stream
|
||
|
|
CREATE OR REPLACE PUMP "OUTPUT_PUMP" AS
|
||
|
|
INSERT INTO "DESTINATION_SQL_STREAM"
|
||
|
|
SELECT STREAM * FROM "TEMP_STREAM"
|
||
|
|
ORDER BY FLOOR("TEMP_STREAM".ROWTIME TO SECOND), ANOMALY_SCORE DESC;
|