SAP HANA Predictive Analysis Library (PAL)

Table Column Column Data Type Description
3rd column Double Prediction score
Example
Assume that:
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DM_PAL is a schema belonging to USER1; and
USER1 has been assigned the AFLPM_CREATOR_ERASER_EXECUTE role; and
USER1 has been assigned the AFL__SYS_AFL_AFLPAL_EXECUTE or
AFL__SYS_AFL_AFLPAL_EXECUTE_WITH_GRANT_OPTION role.
SET SCHEMA DM_PAL;
DROP TYPE PAL_LINK_PREDICTION_DATA_T;
CREATE TYPE PAL_LINK_PREDICTION_DATA_T AS TABLE(
"NODE1" INTEGER,
"NODE2" INTEGER
);
DROP TYPE PAL_CONTROL_T;
CREATE TYPE PAL_CONTROL_T AS TABLE(
"NAME" VARCHAR(100),
"INTARGS" INTEGER,
"DOUBLEARGS" DOUBLE,
"STRINGARGS" VARCHAR(100)
);
DROP TYPE PAL_LINK_PREDICTION_RESULT_T;
CREATE TYPE PAL_LINK_PREDICTION_RESULT_T AS TABLE(
"NODE1" INTEGER,
"NODE2" INTEGER,
"SCORE" DOUBLE
);
DROP TABLE PAL_LINK_PREDICTION_PDATA_TBL;
CREATE COLUMN TABLE PAL_LINK_PREDICTION_PDATA_TBL(
"POSITION" INT,
"SCHEMA_NAME" NVARCHAR(256),
"TYPE_NAME" NVARCHAR(256),
"PARAMETER_TYPE" VARCHAR(7)
);
INSERT INTO PAL_LINK_PREDICTION_PDATA_TBL VALUES (1, 'DM_PAL',
'PAL_LINK_PREDICTION_DATA_T', 'in');
INSERT INTO PAL_LINK_PREDICTION_PDATA_TBL VALUES (2, 'DM_PAL', 'PAL_CONTROL_T',
'in');
INSERT INTO PAL_LINK_PREDICTION_PDATA_TBL VALUES (3, 'DM_PAL',
'PAL_LINK_PREDICTION_RESULT_T', 'out');
CALL SYS.AFLLANG_WRAPPER_PROCEDURE_DROP('DM_PAL', 'PAL_LINK_PREDICTION_PROC');
CALL SYS.AFLLANG_WRAPPER_PROCEDURE_CREATE('AFLPAL', 'LINKPREDICTION', 'DM_PAL',
'PAL_LINK_PREDICTION_PROC', PAL_LINK_PREDICTION_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 ('METHOD', 1, NULL, NULL);
DROP TABLE PAL_LINK_PREDICTION_DATA_TBL;
CREATE COLUMN TABLE PAL_LINK_PREDICTION_DATA_TBL LIKE PAL_LINK_PREDICTION_DATA_T;
INSERT INTO PAL_LINK_PREDICTION_DATA_TBL VALUES ('1','2');
INSERT INTO PAL_LINK_PREDICTION_DATA_TBL VALUES ('1','4');
INSERT INTO PAL_LINK_PREDICTION_DATA_TBL VALUES ('2','3');
INSERT INTO PAL_LINK_PREDICTION_DATA_TBL VALUES ('3','4');
INSERT INTO PAL_LINK_PREDICTION_DATA_TBL VALUES ('5','1');
INSERT INTO PAL_LINK_PREDICTION_DATA_TBL VALUES ('6','2');
SAP HANA Predictive Analysis Library (PAL)
PAL Functions P U B L I C 543