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SAP HANA Predictive Analysis Library (PAL)

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Example<br />

Assume that:<br />

●<br />

●<br />

●<br />

DM_<strong>PAL</strong> is a schema belonging to USER1; and<br />

USER1 has been assigned the AFLPM_CREATOR_ERASER_EXECUTE role; and<br />

USER1 has been assigned the AFL__SYS_AFL_AFL<strong>PAL</strong>_EXECUTE or<br />

AFL__SYS_AFL_AFL<strong>PAL</strong>_EXECUTE_WITH_GRANT_OPTION role.<br />

SET SCHEMA DM_<strong>PAL</strong>;<br />

DROP TYPE <strong>PAL</strong>_FGR_PREDICT_T;<br />

CREATE TYPE <strong>PAL</strong>_FGR_PREDICT_T AS TABLE( "ID" INT,"X1" DOUBLE);<br />

DROP TYPE <strong>PAL</strong>_FGR_COEFFICIENT_T;<br />

CREATE TYPE <strong>PAL</strong>_FGR_COEFFICIENT_T AS TABLE("ID" INT,"Ai" DOUBLE);<br />

DROP TYPE <strong>PAL</strong>_CONTROL_T;<br />

CREATE TYPE <strong>PAL</strong>_CONTROL_T AS TABLE("NAME" VARCHAR(100), "INTARGS" INT,<br />

"DOUBLEARGS" DOUBLE,"STRINGARGS" VARCHAR(100));<br />

DROP TYPE <strong>PAL</strong>_FGR_FITTED_T;<br />

CREATE TYPE <strong>PAL</strong>_FGR_FITTED_T AS TABLE("ID" INT,"Fitted" DOUBLE);<br />

DROP table <strong>PAL</strong>_FGR_PDATA_TBL;<br />

CREATE column table <strong>PAL</strong>_FGR_PDATA_TBL("POSITION" INT, "SCHEMA_NAME"<br />

NVARCHAR(256), "TYPE_NAME" NVARCHAR(256), "PARAMETER_TYPE" VARCHAR(7));<br />

insert into <strong>PAL</strong>_FGR_PDATA_TBL values (1,'DM_<strong>PAL</strong>','<strong>PAL</strong>_FGR_PREDICT_T','IN');<br />

insert into <strong>PAL</strong>_FGR_PDATA_TBL values (2,'DM_<strong>PAL</strong>','<strong>PAL</strong>_FGR_COEFFICIENT_T','IN');<br />

insert into <strong>PAL</strong>_FGR_PDATA_TBL values (3,'DM_<strong>PAL</strong>','<strong>PAL</strong>_CONTROL_T','IN');<br />

insert into <strong>PAL</strong>_FGR_PDATA_TBL values (4,'DM_<strong>PAL</strong>','<strong>PAL</strong>_FGR_FITTED_T','OUT');<br />

CALL SYS.AFLLANG_WRAPPER_PROCEDURE_DROP('DM_<strong>PAL</strong>','<strong>PAL</strong>_FORECAST_GEOR_PROC');<br />

CALL<br />

SYS.AFLLANG_WRAPPER_PROCEDURE_CREATE('AFL<strong>PAL</strong>','FORECASTWITHGEOR','DM_<strong>PAL</strong>','<strong>PAL</strong>_FO<br />

RECAST_GEOR_PROC',<strong>PAL</strong>_FGR_PDATA_TBL);<br />

DROP TABLE #<strong>PAL</strong>_CONTROL_TBL;<br />

CREATE LOCAL TEMPORARY COLUMN TABLE #<strong>PAL</strong>_CONTROL_TBL ("NAME" VARCHAR(100),<br />

"INTARGS" INT, "DOUBLEARGS" DOUBLE,"STRINGARGS" VARCHAR(100));<br />

INSERT INTO #<strong>PAL</strong>_CONTROL_TBL VALUES ('THREAD_NUMBER',8,null,null);<br />

DROP TABLE <strong>PAL</strong>_FGR_PREDICTDATA_TBL;<br />

CREATE COLUMN TABLE <strong>PAL</strong>_FGR_PREDICTDATA_TBL ( "ID" INT,"X1" DOUBLE);<br />

INSERT INTO <strong>PAL</strong>_FGR_PREDICTDATA_TBL VALUES (0,1);<br />

INSERT INTO <strong>PAL</strong>_FGR_PREDICTDATA_TBL VALUES (1,2);<br />

INSERT INTO <strong>PAL</strong>_FGR_PREDICTDATA_TBL VALUES (2,3);<br />

INSERT INTO <strong>PAL</strong>_FGR_PREDICTDATA_TBL VALUES (3,4);<br />

INSERT INTO <strong>PAL</strong>_FGR_PREDICTDATA_TBL VALUES (4,5);<br />

DROP TABLE <strong>PAL</strong>_FGR_COEFFICIENT_TBL;<br />

CREATE COLUMN TABLE <strong>PAL</strong>_FGR_COEFFICIENT_TBL ("ID" INT,"Ai" DOUBLE);<br />

INSERT INTO <strong>PAL</strong>_FGR_COEFFICIENT_TBL VALUES (0,1);<br />

INSERT INTO <strong>PAL</strong>_FGR_COEFFICIENT_TBL VALUES (1,1.99);<br />

DROP TABLE <strong>PAL</strong>_FGR_FITTED_TBL;<br />

CREATE COLUMN TABLE <strong>PAL</strong>_FGR_FITTED_TBL ("ID" INT,"Fitted" DOUBLE);<br />

CALL DM_<strong>PAL</strong>.<strong>PAL</strong>_FORECAST_GEOR_PROC(<strong>PAL</strong>_FGR_PREDICTDATA_TBL,<br />

<strong>PAL</strong>_FGR_COEFFICIENT_TBL, "#<strong>PAL</strong>_CONTROL_TBL", <strong>PAL</strong>_FGR_FITTED_TBL) with overview;<br />

SELECT * FROM <strong>PAL</strong>_FGR_FITTED_TBL;<br />

Expected Result<br />

<strong>PAL</strong>_FGR_FITTED_TBL:<br />

248 P U B L I C<br />

<strong>SAP</strong> <strong>HANA</strong> <strong>Predictive</strong> <strong>Analysis</strong> <strong>Library</strong> (<strong>PAL</strong>)<br />

<strong>PAL</strong> Functions

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