SAP HANA Predictive Analysis Library (PAL)

Name Data Type Default Value Description Dependency
VALIDATION_SIZE Integer No default value Row size of validation
data.
Value range: ≥ 0
If both VALIDA­
TION_PERCENT and
VALIDATION_SIZE are
specified, VALIDA­
TION_PERCENT takes
precedence.
Output Table
Table 329:
Table Column Column Data Type Description Constraint
Output Table 1st column Varchar, nvarchar, or
integer
ID
Key of the table
2nd column Integer Indicates which partition
the table belongs
to.
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1: training data
2: testing data
3: validation data
Example
Assume that:
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●
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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_PARTITION_DATA_T;
CREATE TYPE PAL_PARTITION_DATA_T AS TABLE(
"ID" INTEGER,
"HomeOwner" VARCHAR (100),
"MaritalStatus" VARCHAR (100),
"AnnualIncome" DOUBLE,
"DefaultedBorrower" VARCHAR (100)
);
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_PARTITION_OUT_T;
CREATE TYPE PAL_PARTITION_OUT_T AS TABLE(
"ID" INTEGER,
"TYPE" INTEGER
);
DROP table PAL_PARTITION_PDATA_TBL;
CREATE column table PAL_PARTITION_PDATA_TBL("POSITION" INT,"SCHEMA_NAME"
NVARCHAR(256),"TYPE_NAME" NVARCHAR (256),"PARAMETER_TYPE" VARCHAR (7));
insert into PAL_PARTITION_PDATA_TBL values
(1,'DM_PAL','PAL_PARTITION_DATA_T','IN');
insert into PAL_PARTITION_PDATA_TBL values (2,'DM_PAL','PAL_CONTROL_T','IN');
insert into PAL_PARTITION_PDATA_TBL values
(3,'DM_PAL','PAL_PARTITION_OUT_T','OUT');
call SYS.AFLLANG_WRAPPER_PROCEDURE_DROP('DM_PAL','PAL_PARTITION_PROC');
SAP HANA Predictive Analysis Library (PAL)
PAL Functions P U B L I C 451