SAP HANA Predictive Analysis Library (PAL)

DROP TYPE PAL_CONTROL_T;
CREATE TYPE PAL_CONTROL_T AS TABLE(
"NAME" VARCHAR(100),
"INTARGS" INTEGER,
"DOUBLEARGS" DOUBLE,
"STRINGARGS" VARCHAR(100)
);
DROP TABLE PAL_KNN_PDATA_TBL;
CREATE COLUMN TABLE PAL_KNN_PDATA_TBL(
"POSITION" INT,
"SCHEMA_NAME" NVARCHAR(256),
"TYPE_NAME" NVARCHAR(256),
"PARAMETER_TYPE" VARCHAR(7)
);
INSERT INTO PAL_KNN_PDATA_TBL VALUES (1, 'DM_PAL', 'PAL_KNN_DATA_T', 'IN');
INSERT INTO PAL_KNN_PDATA_TBL VALUES (2, 'DM_PAL', 'PAL_KNN_CLASSDATA_T', 'IN');
INSERT INTO PAL_KNN_PDATA_TBL VALUES (3, 'DM_PAL', 'PAL_CONTROL_T', 'IN');
INSERT INTO PAL_KNN_PDATA_TBL VALUES (4, 'DM_PAL', 'PAL_KNN_RESULT_T', 'OUT');
CALL "SYS".AFLLANG_WRAPPER_PROCEDURE_DROP('DM_PAL', 'PAL_KNN_PROC');
CALL "SYS".AFLLANG_WRAPPER_PROCEDURE_CREATE('AFLPAL', 'KNN', 'DM_PAL',
'PAL_KNN_PROC', PAL_KNN_PDATA_TBL);
DROP TABLE #PAL_CONTROL_TBL;
CREATE LOCAL TEMPORARY COLUMN TABLE #PAL_CONTROL_TBL (
"NAME" VARCHAR(100),
"INTARGS" INTEGER,
"DOUBLEARGS" DOUBLE,
"STRINGARGS" VARCHAR(100)
);
INSERT INTO #PAL_CONTROL_TBL VALUES ('K_NEAREST_NEIGHBOURS',3,null,null);
INSERT INTO #PAL_CONTROL_TBL VALUES ('ATTRIBUTE_NUM',2,null,null);
INSERT INTO #PAL_CONTROL_TBL VALUES ('VOTING_TYPE',0,null,null);
INSERT INTO #PAL_CONTROL_TBL VALUES ('THREAD_NUMBER',8,null,null);
DROP TABLE PAL_KNN_DATA_TBL;
CREATE COLUMN TABLE PAL_KNN_DATA_TBL LIKE PAL_KNN_DATA_T;
INSERT INTO PAL_KNN_DATA_TBL VALUES (0,2,1,1);
INSERT INTO PAL_KNN_DATA_TBL VALUES (1,3,10,10);
INSERT INTO PAL_KNN_DATA_TBL VALUES (2,3,10,11);
INSERT INTO PAL_KNN_DATA_TBL VALUES (3,3,10,10);
INSERT INTO PAL_KNN_DATA_TBL VALUES (4,1,1000,1000);
INSERT INTO PAL_KNN_DATA_TBL VALUES (5,1,1000,1001);
INSERT INTO PAL_KNN_DATA_TBL VALUES (6,1,1000,999);
INSERT INTO PAL_KNN_DATA_TBL VALUES (7,1,999,999);
INSERT INTO PAL_KNN_DATA_TBL VALUES (8,1,999,1000);
INSERT INTO PAL_KNN_DATA_TBL VALUES (9,1,1000,1000);
DROP TABLE PAL_KNN_CLASSDATA_TBL;
CREATE COLUMN TABLE PAL_KNN_CLASSDATA_TBL LIKE PAL_KNN_CLASSDATA_T;
INSERT INTO PAL_KNN_CLASSDATA_TBL VALUES (0,2,1);
INSERT INTO PAL_KNN_CLASSDATA_TBL VALUES (1,9,10);
INSERT INTO PAL_KNN_CLASSDATA_TBL VALUES (2,9,11);
INSERT INTO PAL_KNN_CLASSDATA_TBL VALUES (3,15000,15000);
INSERT INTO PAL_KNN_CLASSDATA_TBL VALUES (4,1000,1000);
INSERT INTO PAL_KNN_CLASSDATA_TBL VALUES (5,500,1001);
INSERT INTO PAL_KNN_CLASSDATA_TBL VALUES (6,500,999);
INSERT INTO PAL_KNN_CLASSDATA_TBL VALUES (7,199,999);
DROP TABLE PAL_KNN_RESULTS_TBL;
CREATE COLUMN TABLE PAL_KNN_RESULTS_TBL LIKE PAL_KNN_RESULT_T;
CALL "DM_PAL".PAL_KNN_PROC(PAL_KNN_DATA_TBL, PAL_KNN_CLASSDATA_TBL,
"#PAL_CONTROL_TBL", PAL_KNN_RESULTS_TBL) WITH OVERVIEW;
SELECT * FROM PAL_KNN_RESULTS_TBL;
Expected Result
164 P U B L I C
SAP HANA Predictive Analysis Library (PAL)
PAL Functions