Mapping UNIQUEIDENTIFIER column in HANA

Hi,
I am using Mobilink to synchronize data between SQLA and HANA. I have UNIQUEIDENTIFIER as one of the columns in SQLA. What is the recomendation for Mapping in that case? If I use Varchar then from HANA, insert into SQLA is not possible. Is there any recomendation of usage of data type in that case?
Regards,
Subhankar

Hi Subhankar,
I'm not sure about the specific HANA error you're encountering, but I can state that UNIQUEIDENTIFIER is a recognized and understood data type within MobiLink and uploads correctly to HANA within the following test:
rem.sql (on SQL Anywhere)
create sequence seqGuidtest minvalue 2000000000 maxvalue 2999999999;
create table guidtest (
    pk integer primary key default (seqGuidtest.nextval),
    c1 uniqueidentifier);
create publication p1 ( table guidtest );
insert into guidtest (c1) values (newid());
insert into guidtest (c1) values (newid());
insert into guidtest (c1) values (newid());
insert into guidtest (c1) values (newid());
insert into guidtest (c1) values (newid());
commit;
cons.sql (on HANA)
create column table "ML_USER"."guidtest" (
"pk" integer primary key,
"c1" VARCHAR(36)
call ml_add_table_script( 'v1', 'guidtest', 'upload_insert',
'insert into "ML_USER"."guidtest"
("pk", "c1")
   values ({ml r.pk}, {ml r.c1})'
call ml_add_table_script( 'v1', 'guidtest', 'upload_update',
'--{ml_ignore}'
call ml_add_table_script( 'v1', 'guidtest', 'upload_delete',
'--{ml_ignore}'
call ml_add_table_script( 'v1', 'guidtest', 'download_cursor',
'select "pk", "c1" FROM "ML_USER"."guidtest"'
call ml_add_table_script( 'v1', 'guidtest', 'download_delete_cursor',
'--{ml_ignore}'
commit;
The result: (the SQL Anywhere remote - dbmlsync log)
I. 2014-11-25 17:09:16. Table Upload Order: guidtest
I. 2014-11-25 17:09:16. Uploading table operations
I. 2014-11-25 17:09:16. Upload operations on table 'guidtest'
I. 2014-11-25 17:09:16. Insert row:
I. 2014-11-25 17:09:16.   <pk>: 2000000001
I. 2014-11-25 17:09:16.   <c1>: e309076e-63f6-4d2c-9623-56b8810ff1ae
I. 2014-11-25 17:09:16. Insert row:
I. 2014-11-25 17:09:16.   <pk>: 2000000002
I. 2014-11-25 17:09:16.   <c1>: ab73dddd-5628-42cb-ab1a-c16460ceda5b
I. 2014-11-25 17:09:16. Insert row:
I. 2014-11-25 17:09:16.   <pk>: 2000000003
I. 2014-11-25 17:09:16.   <c1>: 9c46303c-b004-4c2b-bd99-30f4fb7a317a
I. 2014-11-25 17:09:16. Insert row:
I. 2014-11-25 17:09:16.   <pk>: 2000000004
I. 2014-11-25 17:09:16.   <c1>: be0109ad-f40f-44de-814c-5e5976ab41c8
I. 2014-11-25 17:09:16. Insert row:
I. 2014-11-25 17:09:16.   <pk>: 2000000005
I. 2014-11-25 17:09:16.   <c1>: d36b3035-2116-4958-8143-9a90af96b854
(the MobiLink server - HANA server)
I. 2014-11-25 17:09:16. <1> upload_insert guidtest
                        insert into "ML_USER"."guidtest"
                          ("pk", "c1")
                           values ({ml r.pk}, {ml r.c1})
I. 2014-11-25 17:09:16. <1> Translated SQL:
                        insert into "ML_USER"."guidtest"
                          ("pk", "c1")
                           values ( ?, ?)
I. 2014-11-25 17:09:16. <1> Insert row [guidtest]:
I. 2014-11-25 17:09:16. <1>   2000000001
I. 2014-11-25 17:09:16. <1>   e309076e63f64d2c962356b8810ff1ae
I. 2014-11-25 17:09:16. <1> Insert row [guidtest]:
I. 2014-11-25 17:09:16. <1>   2000000002
I. 2014-11-25 17:09:16. <1>   ab73dddd562842cbab1ac16460ceda5b
I. 2014-11-25 17:09:16. <1> Insert row [guidtest]:
I. 2014-11-25 17:09:16. <1>   2000000003
I. 2014-11-25 17:09:16. <1>   9c46303cb0044c2bbd9930f4fb7a317a
I. 2014-11-25 17:09:16. <1> Insert row [guidtest]:
I. 2014-11-25 17:09:16. <1>   2000000004
I. 2014-11-25 17:09:16. <1>   be0109adf40f44de814c5e5976ab41c8
I. 2014-11-25 17:09:16. <1> Insert row [guidtest]:
I. 2014-11-25 17:09:16. <1>   2000000005
I. 2014-11-25 17:09:16. <1>   d36b30352116495881439a90af96b854
Note the conversion between the SQL Anywhere GUID format with hyphens and the format in HANA without.
Some questions:
Can you provide some of the lines above the error you're seeing in the MobiLink console log to provide better context for the error?
Can you provide the table definitions for both the remote and consolidated?
Are you using the same version of SQL Anywhere for the remote database and the MobiLink server?
Which version of the HANA ODBC driver are you using?
Regards,
Jeff Albion
SAP Active Global Support

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