When we use HANA de DataTable execute this query in the server. We (Invent) open a bug at SAP but here remove this dependence.

Sample Código :

Query Executada Automáticamente :
SELECT
T1.SCHEMA_NAME
,T1.TABLE_NAME
,T1.COLUMN_NAME
,T1.POSITION
,T1.IS_NULLABLE
,CASE WHEN COUNT(*) OVER (PARTITION BY T2.SCHEMA_NAME, T2.TABLE_NAME, T2.COLUMN_NAME, T2.INDEX_NAME)=1 AND T2.CONSTRAINT LIKE '%UNIQUE%' THEN 'TRUE' ELSE NULL END IS_UNIQUE
,CASE WHEN T2.CONSTRAINT = 'PRIMARY KEY' THEN 'TRUE' ELSE NULL END IS_PRIMARY_KEY
,CASE WHEN T2.CONSTRAINT LIKE '%UNIQUE%' THEN T2.INDEX_NAME ELSE NULL END INDEX_NAME
,CASE WHEN T2.CONSTRAINT LIKE '%UNIQUE%' THEN T2.IS_UNIQUE_ALTPK ELSE NULL END IS_UNIQUE_ALTPK
FROM
SYS.TABLE_COLUMNS T1
LEFT OUTER JOIN (SELECT
SCHEMA_NAME
,TABLE_NAME
,INDEX_NAME
,COLUMN_NAME
,CONSTRAINT
,'TRUE' AS IS_UNIQUE_ALTPK
FROM
SYS.INDEX_COLUMNS
WHERE
CONSTRAINT IN ('NOT NULL UNIQUE','UNIQUE','PRIMARY KEY')) T2
ON (T1.SCHEMA_NAME = T2.SCHEMA_NAME) AND (T1.TABLE_NAME = T2.TABLE_NAME) AND (T1.COLUMN_NAME = T2.COLUMN_NAME)
WHERE
(NOT (T1.SCHEMA_NAME IN ('SYS'))
AND NOT (T1.SCHEMA_NAME LIKE 'SYS%')
AND (T1.TABLE_NAME = ?)
)
ORDER BY
T1.SCHEMA_NAME

,T1.TABLE_NAME