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Parallelization of HANA procedure

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Hello,

 

I would like to execute following procedure in HANA parallel. The procedure will be called several times with different properties. Now it seems that all calls are executed in stack. As the process time of the procedure increase linear with the increase of properties. As far I know HANA handles parallelization automatically but how I must adjust my procedure and set-up HANA for this?

 

CREATE PROCEDURE "TEST_SYSTEM"."myProc" (  IN property VARCHAR(100),
)  LANGUAGE SQLSCRIPT  SQL SECURITY INVOKER  DEFAULT SCHEMA TEST_SYSTEM  AS
BEGIN
INSERT INTO JOIN_TABLE("DATE", "PERSON_ID")
SELECT A."DATE", A."PERSON_ID"
FROM "TABLE_A" A
LEFT JOIN "TABLE_B" B
ON A."DATE" = B."DATE" AND A."PERSON_ID" = B."PERSON_ID"
WHERE A."PROPERTY" = :property
AND B."DATE" IS NULL
ORDER BY "DATE" ASC, "PERSON_ID" ASC;
END;

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