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Tokens=input'))
ORDER BY score DESC, id;
SCORE ID T
0.92 3 eins zwei drei
0.92 4 eins zwei drei vier
0.92 5 eins zwei drei vier funf
Parameters Influencing the Result Set
Option Range Default Applies to Types
andSymmetric on,off off TEXT
andThreshold 0.0..1.0 1.0 TEXT
For examples, see Fuzzy Multi-Token Search with Soft AND [page 285] .
Fuzzy Multi-Token Search with Soft AND
A fuzzy search on one text column can also use a softer AND, so that not all tokens used in the search term have
to match the result.
There are two parameters that control this behavior:
Option Name Range Default Applies to Types Short Description
andSymmetric on,off off TEXT Activates a
symmetric AND
content search
andThreshold 0.0..1.0 1.0 TEXT Determines the
Creating example data:
DROP TABLE test_soft_and;
CREATE COLUMN TABLE test_soft_and
(
id INTEGER PRIMARY KEY,
t SHORTTEXT(200) FUZZY SEARCH INDEX ON
);
INSERT INTO test_soft_and VALUES ('1','eins');
INSERT INTO test_soft_and VALUES ('2','eins zwei');
INSERT INTO test_soft_and VALUES ('3','eins zwei drei');
SAP HANA Developer Guide
Enabling Search
percentage of
tokens that need to
match
P U B L I C
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