SAP HANA Fuzzy Search

What´s New? SAP HANA SPS 07
Fuzzy Search
(Delta from SPS 06 to SPS 07)
SAP HANA Product Management
November, 2013
Scope
The scope of the extended development topic “SAP HANA Fuzzy Search” covers
 Fault-tolerant search
 Duplicate prevention
 Search rule sets
 Search with synonyms (term mapping)
Related topics
 Fulltext search
 Text analysis
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Fuzzy Search Options
SAP HANA SPS 07 – Fuzzy Search – Fuzzy Search Options
New capabilities
•
substring
search
Substring search available for freestyle search queries
Benefits
•
Substring search in multiple columns within one CONTAINS() predicate
•
Search for business objects with multiple NVARCHAR columns without FULLTEXT
INDEX
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Improved Support for ABAP
Applications
SAP HANA SPS 07 – Fuzzy Search – Support for ABAP Applications
New capabilities
•
Term mapping tables can now be created using the ABAP DDIC
•
Term mapping and stopword tables can contain a client column
Benefits
•
Improved integration of term mappings and stopwords in ABAP applications
•
Support for multiple clients
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Support for ABAP Applications
Create term mapping tables using the ABAP DDIC
 Term mapping tables use SQL types available in the DDIC
Support for term mapping/stopword tables with client
column
 Client-specific term mapping/stopword definitions possible
 Create a view that uses SESSION_CONTEXT('CLIENT'):
CREATE VIEW termmappingsview AS
SELECT mapping_id, list_id, language_code,
term_1, term_2, weight
FROM termmappings
WHERE mndt = SESSION_CONTEXT('CLIENT');
 SQL views or attribute views
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Improved Support for
Simplified Chinese
SAP HANA SPS 07 – Fuzzy Search – Support for Simplified Chinese
New capabilities
•
Improved fuzzy search for data written in Simplified Chinese
•
Search data written in different scripts (Latin and Simplified Chinese)
Benefits
•
Improved search results
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Simplified Chinese
Search data written in Simpified Chinese
 Compare Pinyin transcription of Chinese characters to find additional
search results
Search data written in different scripts
 New search option 'interScriptMatching'
 Available for Latin and Chinese characters
 Compares Pinyin transcription of Chinese characters to Latin
characters
Search:
Beijing
北京
Expected result:
Search for Pinyin
Pinyin transcription
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北京
Beijing
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Improved Search Rule Sets
SAP HANA SPS 07 – Fuzzy Search – Search Rule Sets
New capabilities
•
New column condition 'if not equals'
•
Pass-through values for result table columns
•
Parallel execution of search rules
Benefits
•
Easier consumption of search rule sets
•
Reduced response times for search rule sets
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Column Condition 'if not equals'
Skip a rule if a column does not equal a given value
 Example:
Create a search rule that is valid for one country code only;
skip this rule for all other countries
Benefits
 Improved configuration of conditional execution of search rules
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Pass-Through Values for Result Table Columns
Copy input values to the search result
 Input values:
values given in the call to EXECUTE_SEARCH_RULE_SET
 Examples:
a sequence number,
the primary key of a input record
Benefits
 Result rows belonging to the same search can be identified even
when writing the results of multiple subsequent searches into a
single result table.
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Parallel Execution of Search Rules
Search rules are executed in parallel
 Within a single call to EXECUTE_SEARCH_RULE_SET
 Up to a rule with ruleCut option
Benefits
 Reduced response time for search rule sets containing multiple rules
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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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Thank you
Contact information
Markus Fath
SAP HANA Product Management
[email protected]
To get the best overview of what’s new in SAP HANA SPS 07, read this blog.
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