Q&A BY TAG 'VQL'

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Fetching Column issue in VQL
answered 05-01-2021 05:39:50 -0500

we have SAP Data Base, when we excute the base view in the denodo tool we could able get the 150 records. But, while excuting in the VQL shell for the specific Query like Select <Column_name> from <data_base>.<Base_view_name> throwin...

Answers: 1

VQL SAP DENODO SAP BW/4HANA

vql to invalidate cache (base views, derived views)
answered 26-11-2020 16:11:49 -0500

Hi team, I want to find out vql to invalidate cache, I run below for a base views, but it has error "selected view: 'base_view_name' is a base view": ALTER VIEW base_view_name CACHE INVALIDATE it cna only run for derived view: ALTER VIEW derived_view_...

Answers: 1

vql base view invalidate cache

For base view vql, what does "ESCAPE" mean?
answered 05-11-2020 04:35:49 -0500

I just observer the vql of the base view (data source is Hadoop Dremio), for the columns whose sourcetypename='CHARACTER VARYING', some has the attribute "ESCAPE NOT SORTABLE" , some has the attribute "NOT SORTABLE", why for the same data type, they ha...

Answers: 4

vql base view ESCAPE

How to do the cache load for a view
answered 18-08-2020 08:50:38 -0400

How to load cache load for a view, we have kinds of cacje mode, full, partial, waht is the exact command? do we have artical to introduce it? Thank you.

Answers: 1

vql cache data preload

Dynamic JDBC source query parameter
answered 01-07-2020 06:38:37 -0400

How can I force dynamic filter on query to be executed against datasource? Example: SELECT name, surname FROM table WHERE id = GETSESSION('user') this does,not work. SELECT name, surname FROM table WHERE id = 'john' works but I would like to use sessio...

Answers: 5

VQL

import.sh run vql, which vql contained parameter, how to make it?
answered 26-05-2020 17:41:43 -0400

We have linux machine with denodo client installed, we use import.sh to run some vql file, I have a question, if my vql file wants to have a parameter such as where filters contain some parameter, can import.sh run that vql with parameter contained in ...

Answers: 3

vql vql parameter import.sh

vql for Import roles from LDAP data source
answered 21-04-2020 17:50:35 -0400

Hi all, I understand in VDP we can use “Import Roles from LDAP” wizard to import roles from LDAP data scouce, and I can see ldap data source defined in VDP database, if that do we have vql to import roles, which can does the same thing as the Import Ro...

Answers: 1

vql import ldap roles

VQL Required to add a data movement plan using Alter?
answered 01-04-2020 15:37:11 -0400

What is the VQL required to Alter a data movement plan? Here is the context from the CREATE statement: CREATE OR REPLACE VIEW sv_basespace_rundata as field1 field2 field3 CONTEXT (DATAMOVEMENTPLAN = iv_getsession_roles : JDBC datasources."ds_BaseSpace...

Answers: 1

VQL 7.0

VQL Functionality Enhancements for UNPIVOTING multiple columns (UNPIVOT in Oracle, CROSS APPLY in SQL Server)
answered 30-03-2020 11:50:34 -0400

Hello Denodo Support Team, I understand that Denodo VQL supports TVFs (Table Value Functions) regarding the unpivoting of multiple columns in a view and joining to other sources. However, the most recent proposed solution for addressing the powerful UN...

Answers: 1

VQL unpivot cross apply

[SQL0401] Comparison operator = operands not compatible.
answered 24-02-2020 07:58:57 -0500

Error : [SQL0401] Comparison operator = operands not compatible. DataSource is DB2. and data type of DATE_TRANSACTION IS date(deprecated) None of the below query works. Queries: SELECT FROM "Discovery_FiservODS"."EFT_TRANS_HISTORY" WHERE "DATE_TRAN...

Answers: 1

VQL