SAP HANA SPS09 - HANA Modeling

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©2014 SAP SE or an SAP affiliate company. All rights reserved.
SAP HANA SPS 09 - What’s New? SAP HANA Modeling
SAP HANA Product Management November, 2014
(Delta from SPS 08 to SPS 09)

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Disclaimer
This presentation outlines our general product direction and should not be relied on in making a purchase decision. This presentation is not subject to your license agreement or any other agreement with SAP.
SAP has no obligation to pursue any course of business outlined in this presentation or to develop or release any functionality mentioned in this presentation. This presentation and SAP’s strategy and possible future developments are subject to change and may be changed by SAP at any time for any reason without notice.
This document is provided without a warranty of any kind, either express or implied, including but not limited to, the implied warranties of merchantability, fitness for a particular purpose, or non-infringement. SAP assumes no responsibility for errors or omissions in this document, except if such damages were caused by SAP intentionally or grossly negligent.

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Agenda
Topics
Overview What’s New in SAP HANA Modeling
General Model Editor Enhancements
SAP HANA Studio / Modeling related Enhancements
–Incl. Modeling in the development perspective
WebIDE Modeler

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SAP HANA SPS 09 – What’s New in SAP HANA Modeling Overview
Enhanced and new SAP HANA Modeling capabilities
Editor usability
Value help entity reference
Calculation Views
Rank node
Table function as data sources
Script-based CV enhancements
Table function support
Output column structure import
History Views support (time travel support)
Spatial support: spatial joins, spatial expressions in filters
Harmonize Development- and Modeler- Studio perspectives
Harmonize object naming
Supportability
Debugging Views with drill-down analysis, join cardinality
Logging and tracing for modeler plugins (preferences)
Productivity / object re-usability
Replace node / replace node with a data source / ..
Propagate semantics from data sources / extract semantics
WebIDE
 Calculation View editor
 Analytic Privilege editor

Model Editor
New capabilities and general enhancements in the SAP HANA Model Editor

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SAP HANA SPS09 - Modeling Enhancements Semanctic Node – Re-design and Enhancements
Re-designed Semantic node
Tab-based View for columns, View properties, Hierarchies, Parameters/Variables
–Improved column output overview
Column details enhancements
–Attribute LOV Value help views/tables
–“Key”-column property
–Direct shared-column alias editing

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SAP HANA SPS09 - Modeling Enhancements Semanctic Node – Re-design and Enhancements
Attribute LOV Value help View/Table-Property
Use case: value help dialogs during multidimensional navigation or filter lov generation
–Attribute can be directed to a dedicated value help view/table
–Supports Manage Mappings of Variable/Parameter from referenced value help views/tables for attribute LOV-generation
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SAP HANA SPS09 - Modeling Enhancements General Editor Enhancements – Input Parameters
Input Parameter Enhancements
Multi-Value Parameter support
–Use case: providing multiple values for Input Parameters at Runtime from client tools
Scenario
–Developer can create and configure input parameters in calculation views and analytic views to support multiple values.
–Multi value input parameters can be used in: 1. Apply filter for "List of Values" and "Not in list" options. 2. Expression editor of calculated columns and filter expression in projection nodes based on if the expression requires a multi value input.
–Not supported are Input parameters of type derived, they continue to be only single valued.

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SAP HANA SPS09 - Modeling Enhancements General Editor Enhancements – Input Parameters
Input Parameter Enhancements
Derive parameter values now support Derived from procedure
–Input parameter value can hence be passed into a model based on scalar output value from a stored procedure
–The procedure requires to generate only a scalar output e.g. using a cursor Further the procedure itself cannot yet pass in input parameters.

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SAP HANA SPS09 - Modeling Enhancements General Editor Enhancements – Restricted Columns
Restricted Columns Enhancements
Enhancements to Restricted Columns (Enhancement)
–Input parameters supported for restricted columns.
–BT (between) operator supported for applying restrictions on attribute columns.
–Filter expressions supported for applying restriction on base measures.

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SAP HANA SPS09 - Modeling Enhancements General Editor Enhancements – Currency/Unit Conversion
Currency / Unit Conversion Enhancements
Type Icon indication: column ,attribute or fixes type
Generated column for output currency/unit label
–Available in display currency/unit value help dialog
–Data preview display output with currency/unit label

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SAP HANA SPS09 - Modeling Enhancements General Editor Enhancements – Join Dialog
Join dialog enhancements
Validate Cardinality and Join Type (New)
–Users can validate the join type and cardinality of existing and new joins. The system analyzes the tables participating in the join, and recommends an optimal join type and cardinality. This helps users to avoid performance issues caused by specifying wrong cardinality or join type information.
Joins column no longer required as output
Model multi column joins
Join cardinality visual indicator (if set)

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SAP HANA SPS09 - Modeling Enhancements General Editor Enhancements – Time Travel Support
Time Travel Support with SAP HANA Views
Enable Information Views for Time Travel Queries
–Users can enable their information views to support time travel queries, which help them to query the past state of data. They can use input parameters to specify the timestamp in time travel queries.
Configuration and Usage
–History-enabled column tables
–HANA View with “Enable History”-Flag
–Input-Parameter type direct or derived of data type Date / Time / TimeStamp / ABAP-Date

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SAP HANA SPS09 - Modeling Enhancements General Editor Enhancements – Time Travel Support
Time Travel Support with SAP HANA Views
Query Time Travel-enabled Views
–Statement level time travel <subquery> AS OF UTCTIMESTAMP <timestamp>
SELECT "CustomerStatus", SUM("NetAmount") AS "NetAmount_SUM" FROM "_SYS_BIC"."HANA_SPS09.general/CV_TIMETRAVEL" GROUP BY "CustomerStatus" ORDER BY "CustomerStatus" ASC AS OF UTCTIMESTAMP '2014-11-04 12:45:00'

Calculation Views
New capabilities and enhancements in the Calculation View Editor

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SAP HANA SPS09 - Modeling Enhancements Calculation Views Enhancements – Rank Node
Rank Nodes in Graphical Calculation Views (New)
Calculate ordered (measure value) and ranked (Top/Bottom N) partition-by sets (by multiple attributes)
–Allows multiple columns for partition-by (e.g. Top 3 Player by Team and gender)
–Top/Bottom N-thresholds supports input parameter
–Dynamic Partition Elements allows to prune partition-by column dynamically if column is not requested by query
Example TOP 3 Players

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SAP HANA SPS09 - Modeling Enhancements Calculation View Enhancements – Spatial Operations
Spatial Join Operations in SAP HANA Modeler
Calculation View with now support spatial operations
–Calculating the distance between geometries and determining the union or intersection of multiple objects.
–These calculations are performed using predicates such as intersects, contains, and crosses
Spatial operation can be modeled as Spatial Joins
–Users can create spatial joins to query data from database tables that contain spatial data.
–Spatial predicates include

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SAP HANA SPS09 - Modeling Enhancements Calculation View Enhancements – Spatial Operations Examples
Spatial Join Operations in SAP HANA Modeler
Spatial operation can be modeled as Spatial Joins
–Within Distance (Value dependent on geometry used) support Input Parameter for distance values
–Touches (one geometry touches another)
–Relates evaluates multiple spatial relationships at once.
For details see SAP HANA Spatial Reference

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SAP HANA SPS09 - Modeling Enhancements Calculation View Enhancements – Spatial Operations Examples

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SAP HANA SPS09 - Modeling Enhancements Calculation View Enhancements – Semantics from datasources
Re-use Semantic from DataSources
Extract column semantic information from view datasources and and propagate to semantic node
–From scenario data source context menue or semantic node icon
Extracted Information
–Labels information, aggregation type, column semantic
–Hierarchies (incl. Hierarchies from referenced Attribute Views)

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SAP HANA SPS09 - Modeling Enhancements Calculation Views Enhancements – Transparent Filter Flag
Transparent Filter Flag for stacked views with counters
Enables filter push-down for filtering columns to the lower layer- view with counter-measures
–Required for filtered, non-projected columns with counters
–Set on every node and column of the upper/consuming calculation view and on the nodes of the lower calculation/analytic view
Filter column customer is not wrongly added to the projection list of the query to the lower layer view with the counter measure.
Example
"Show the distinct number of stores where customers John and Susan have bought the product Mouse".

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SAP HANA SPS09 - Modeling Enhancements Calculation Views Enhancements – Transparent Filter Flag
Correct counter results transparent flag=true.
Incorrect counter results transparent flag=false.
Customer column is added to the projection list, leading to a different intermediate set passed into the upper node.

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SAP HANA SPS09 - Modeling Enhancements Calculation Views Enhancements – Re-designing a Scenario
Scenario Re-design – Replacing Nodes or Data Sources
When reusing/refactoring view copies in different context or during simple re-design of existing view, the flow of the view requires to exchange or delete nodes or replace a data source >> without losing the semantic information and mapping in the consuming upper nodes
–Unmapped column (columns where new data source has no inputs) require to be removed, mapped to new source or alias
Replacing of Nodes
–replace view nodes with other underlying view nodes
Replacing of Data Sources
–Replace a data source with available data sources in the catalog object, without losing the semantic information of the changed node. Similarly, they can also replace a data source in a column view with other available data sources in the catalog object

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Replacing of consumed Data Sources

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Replacing of consumed Data Sources
–Unmapped column (columns where new data source has no inputs) require to be removed, mapped to new source or alias
Handling unmapped columns

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Replacing of Data Sources/Node references within a intermediate node

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Replacing of Nodes
–replace view nodes with other underlying view nodes
–Delete intermediate node (e.g. projection)
–Replace Node with a data source
Unmapped column (columns where new data source has no inputs) require to be removed, mapped to new source or alias

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SAP HANA SPS09 - Modeling Enhancements Calculation Views Enhancements – Enabling Query Results Cache
Enabling query results caching control
Using query cache
–Query cache is only used for complex queries (group by …)
–Suitable to use read-mostly workload, same set of queries is executed repeatedly, rather non-changing data, rather expensive queries e.g. Smart Data Access queries
Time-based control view- property, when query cached shall be invalidated
–A time-based cache invalidation property (advanced view properties), which invalidates or removes data from the cache after the specified time interval.
Reviewing chache use.

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SAP HANA SPS09 - Modeling Enhancements Calculation Views – Miscellaneous Enhancements
Miscellaneous Calculation View Enhancements
Attribute Keep-Flag additionally to Aggregation-Nodes is now also supported with Projection-Nodes.
–It indicates that the attribute is kept during instantiation and execution of calculation view query for a node and is passed on to the upper nodes even if it is not requested by the query (~must use attribute).
Star Joins - Top Calculation View-node switch from/to Star Join-Node now supported
Star Joins – now support referential join conditions
Time-Dimension Calculation View now supported
–~ to Attribute View-type Time-Dimension

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SAP HANA SPS09 - Modeling Enhancements Scripted Calculation Views – Used as ValueHelp View
Scripted Calculation Views used as ValueHelp Views
Enhanced support for Input Parameters and Variables-Mapping with Script-based Calculation Views as Value Help-sources
–Users can map the parameters or variables of external views for value help also in case of script-based calculation views.

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SAP HANA SPS09 - Modeling Enhancements Scripted Calculation Views – Editing the Output Structure
Scripted Calculation Views – Output Structure
Enhanced copy/paste of script output column
–Incl. between view copy/pase
Add Columns to Output in Script-based Calculation Views
–Users can define the output structure of script-based calculation views with columns from information views or catalog tables that already exist in their SAP HANA system.

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SAP HANA SPS09 - Modeling Enhancements Scripted Calculation Views – Refactor as Table Functions
Use Script-based Calculation Views as Table Functions
Use of Table Functions as Data Source in Graphical CVs
–In HANA Studio Development Perspective, where Table Function design-time can be referenced from repository browser
Save or Migrate scripted Calculation Views as Table Functions
–Both existing and new script-based calculations views can be saved as table functions, which can be used as a data source in graphical calculation views

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SAP HANA SPS09 - Modeling Enhancements Scripted Calculation Views – Considerations on Table Functions
Use Script-based Calculation Views as Table Functions
Use of Table Functions as Data Source in Graphical CVs
–In HANA Studio Development Perspective, where Table Function design-time can be referenced from repository browser & added per drag and drop into graphical CVs as a data source
–Note: Table Function Editor is different from Scripted CV Editor (and only available in Development Perspective)
Table Functions and Input Parameters
–Input to Table Functions can be scalar Input Parameters (do not support table types as inputs)
–Input to Table Functions can be mapped via Parameter Mapping in Graphical Calculation View

Performance Analysis
New capabilities and enhancements in the HANA View Performance Analysis Mode

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SAP HANA SPS09 - Modeling Enhancements Enhanced Modeler Performance Analysis Capabilities
Performance Analysis Mode in Modeling Environment
Introduced with SAP HANA SPS08
–Hints and indicators on table partitioning and number of rows
Performance Analysis Enhancements
–Modeler detail panel with extended join information on join column cardinality (incl cardinality analysis) and join type
Debug Information Views (New)
–New debugger editor in SAP HANA modeler targeting analysis of SQL queries against HANA Views, enabling insight into runtime behavior of model flow and performance aspects.
–Further integrates with the Plan Visualization capabilities
Switching on performance analysis mode

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Performance Analysis Enhancements
–Modeler detail panel with extended join information on join column cardinality (incl cardinality analysis) and join type

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Debugging Queries with Information Views
Performance Analysis Debug Editor
–New debugger editor in SAP HANA modeler targeting analysis of SQL queries against HANA Views, enabling insight into runtime behavior of model flow and performance aspects.
Generated standard query or custom SQL query can be used to start debug analysis of the query based on the HANA view.

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–Highlights only selected columns (present in query)
–Highlights node pruning / node conversion (e.g. join to projection) in the scenario
–Investigation of SQL Query + intermediate result on every level of the scenario
–Drill-down to incoming views for further analysis
on execute Debug View opens
Visual indication of pruned node operations e.g. here Employee data not involved in query, therefore join is pruned to projection.

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–Drill-down to incoming views for further analysis
Breadcrump for navigation btw levels of stacked views in the analysis

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Debug Information Views and Plan Visualization
–Integrates with the Plan Visualization capabilities
Plan Visualization tree based on the instantiated query model of the runtime HANA View artefacts

Modeling Environment
New capabilities and enhancements in the Modeler- and Development perspectives in SAP HANA Studio

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SAP HANA SPS09 - Modeling Enhancements General Modeler Enhancements – Frequently performed tasks
Modeler Quick-View
Easy access to frequently performed tasks via new Quick View-pane (replacing Modeler Quick-Launch)
–available as a View in SAP HANA studio, allows you to quickly navigate and perform modeling tasks such as Validate, Activate, Schema Mapping, etc.
Systems View SAP HANA Modeler-context menu
–Context menue presenting relevant system-view tasks

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SAP HANA SPS09 - Modeling Enhancements General Modeler Enhancements – Object Naming
Standardized object name references
Use of standardized full qualified names for catalog and repository objects.
–Catalog object: "schema".name Example: "MINI".CUSTOMER
–Catalog object with authoring schema: "AuthoringSchema(PhysicalSchema)".name Example: "MINI_AUTH(MINI)".CUSTOMER where MINI_AUTH is the authoring schema and MINI is the physical schema.
–Repository Object: package::name Example: HANA_SPS09.new::CV_Spatial

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SAP HANA SPS09 - Modeling Enhancements General Modeler Enhancements – Managing Schema Mapping
Managing Schema Mapping Enhancements
Schema content may derive from multiple / different back-end or authoring environments
*In order to ease managing of schema mapping in such scenarios, package-specific schema mapping (which overrides the default schema mapping) can be maintained in _SYS_BI.M_Package_Default_Schema
New UI dialog
–Users can use the new UI in SAP HANA modeler to maintain package specific default schema. This replaces the manual process of using SQL statements to maintain package specific default schema in the table M_PACKAGE_DEFAULT_SCHEMA (Schema: _SYS_BI).
*Introduced with HANA SPS08
The default schema mapping is overruled by Package-specific Schema Mapping

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SAP HANA SPS09 - Modeling Enhancements General Modeler Enhancement – Data Preview
Modeler Data Preview Enhancements
Data preview query execution control
–Preference to enable/disable immediate default data preview query execution (default enabled)
–Control explicit query execution with “Execute” command (e.g. after filter setting etc.)

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SAP HANA SPS09 - Modeling Enhancements General Modeler Enhancements – Refactoring
Refactoring Modeler Content in the HANA Modeler perspective
Partial content refactoring supported
–If selected content objects cannot be moved, the overall refactoring process doesn’t error stop, but continues to refactor other objects
Notice about refactoring could not be accomplished due to reference script based calculation view

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SAP HANA SPS09 - Modeling Enhancements General Modeler Enhancements – Modeler Tracing
SAP HANA Studio / Modeler Tracing support
Tacing of Modeler actions into log-files (help to track down support issues)
–nn
•Traicing in enabled in the SAP HANA Studio preferences dialog
•The trace can be switched ON/OFF in the preference as shown below.

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SAP HANA SPS09 - Modeling Enhancements General Modeler Enhancements – Miscellaneous Enhancements
SAP HANA Studio / Modeler Enhancements
SAP HANA Studio MAC installation supported
Content Application Lifecycle
–Export through delivery unit supports “released version” content export
Analytic privileges undo/redo actions supported
Job log output structure tree enhancements
–Removal of redundant nodes and levels for better overview
BW on HANA enhancements
–At Re-Import of query snapshots calculated and restricted columns are retained
HANA Studio Logon Language
–Now supported is use with multi-lingual column label (BW on HANA context)

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SAP HANA SPS09 - Modeling Enhancements SAP HANA Studio Development Perspective – Modeling
Modeling Enhancements in the development perspective
Modeling tasks/capabilities in parity with SAP HANA Studio Modeler perspective
Repository Browser
•Simplified with default workspace - No longer is it required to check out content or have a project
•All objects are directly editable simply by selecting them in the Repository browser
•File->New; package creation – all possible from the Repository Browser
Project Explorer
•incl. developer import via drag and drop (or Menue File Import/export)

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SAP HANA SPS09 - Modeling Enhancements SAP HANA Studio Development Perspective – Workspace Creation
Simplified Workspace and project creation
•Default workspace setup enables direct use of repository browser with implicit project workspace - No longer is it required to check out content or to have a explicit project
•Import existing workspace
•Delete other users workspace (good for administrative clean up)

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Modeling Enhancements in the development perspective
Direct editing from Repository Browser
Repository Browser
•Default workspace
•File->New object / New package from the Repository Browser
•All objects are directly editable simply by selecting them in the Repository browser
•Opened / edited object are implicitly checked-out
•Object copies shall be removed from default workspace after activation
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Refactoring Modeler Content
Refactor Modeler Objects in SAP HANA Development Perspective (New)
–Users can refactor modeler objects in the SAP HANA development perspective. This means they can now move modeler objects within or across projects in same repository workspace without any changes to the behavior of the modeler objects.
Repository Browser > Package context menu > Move
–Searches for all impacted objects
–Adjust package references in source and impacted objects

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Masscopy / Paste Special (Refactor) Modeler Content
Copy / Masscopy of selected objects / package folders supports refactoring references using PASTE SPECIAL action
–In the Project explorer on the target folder select > PASTE SPECIAL

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Visual Error Markers for detecting design-time errors
Development perspective validation-check or activation trigger visual error markers
Problems-View displays error messages and with activation error pop-up dialog opens
Visual error markers in the model editor
–Model opens with errors in focus
On hover-over the error marker tool-tip displays error message

Web-based Modeling
New SAP HANA webIDE-based Model Editors

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SAP HANA Web-based Development Workbench New design/foundation
The SAP HANA Web-based Development Workbench is now based upon core libraries as the SAP Web IDE
•New visual design
•Integration of some of the web tools of the SAP Web IDE
•Contextual Help via online documentation

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SAP HANA Web-based Development Workbench New design/foundation
New URL Paths:
•/sap/hana/ide/editor
•/sap/hana/ide/catalog
•/sap/hana/ide/security
•/sap/hana/ide/trace
•Old URLs redirect automatically to new ones
•New Roles
•Old roles still valid as they include the new roles

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SAP HANA SPS09 - Modeling Enhancements SAP HANA Web-based Modeling Environment
http://server:port/sap/hana/ide/editor/
New Web Editor for Calculation Views
Supports both Graphical and Scripted Calculation views
–New zero-footprint platform and approach reaching more HANA Model developers!
New usability approaches
–Mapping based data and column-flow
–Less tabs and different views, instead more focused use of “master” and “detail” area only to edit Calculation View details
Note
–No Analytic- and Attribute-View Modeling
–Initial release for Calculation Views not feature complete but future/mid-term innovation platform

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New Web Editor for Calculation Views
Supports both Graphical and Scripted Calculation views
–New zero-footprint platform and approach reaching more HANA Model developers!

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New Web Editor for for Analytic Privileges
Development and Editing of HANA Analytic Privileges

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How to find SAP HANA documentation on this topic?
•In addition to this learning material, you can find SAP HANA platform documentation on SAP Help Portal knowledge center at http://help.sap.com/hana_platform.
•The knowledge centers are structured according to the product lifecycle: installation, security, administration, development:
SAP HANA Options
SAP HANA Advanced Data Processing
SAP HANA Dynamic Tiering
SAP HANA Enterprise Information Management
SAP HANA Predictive
SAP HANA Real-Time Replication
SAP HANA Smart Data Streaming
SAP HANA Spatial
•Documentation sets for SAP HANA options can be found at http://help.sap.com/hana_options:
SAP HANA Platform SPS
What’s New – Release Notes
Installation
Administration
Development
References
•

Thank you
Contact information
Christoph Morgen
SAP HANA Product Management
AskSAPHANA@sap.com

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