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Example
DROP TABLE test_table;
CREATE COLUMN TABLE test_table
(
id INTEGER PRIMARY KEY,
t SHORTTEXT(200) FUZZY SEARCH INDEX ON
);
INSERT INTO test_table VALUES ('1','eins');
INSERT INTO test_table VALUES ('2','eins zwei');
INSERT INTO test_table VALUES ('3','eins zwei drei');
INSERT INTO test_table VALUES ('4','eins zwei drei vier');
INSERT INTO test_table VALUES ('5','eins zwei drei vier funf');
SELECT TO_DECIMAL(SCORE(),3,2) AS score, * FROM test_table
WHERE CONTAINS(t, 'eins zwoi drei',
FUZZY(0.5,'textSearch=compare,bestMatchingTokenWeight=1.0'))
ORDER BY score DESC, id;
SCORE ID T
1 3 eins zwei drei
1 4 eins zwei drei vier
1 5 eins zwei drei vier funf
SELECT TO_DECIMAL(SCORE(),3,2) AS score, * FROM test_table
WHERE CONTAINS(t, 'eins zwoi drei',
FUZZY(0.5,'textSearch=compare,bestMatchingTokenWeight=0'))
ORDER BY score DESC, id;
SCORE ID T
0.92 3 eins zwei drei
0.8 4 eins zwei drei vier
0.71 5 eins zwei drei vier funf
SELECT TO_DECIMAL(SCORE(),3,2) AS score, * FROM test_table
WHERE CONTAINS(t, 'eins zwoi drei',
FUZZY(0.5,'textSearch=compare,bestMatchingTokenWeight=0,considerNonMatching
Tokens=all'))
ORDER BY score DESC, id;
SCORE ID T
0.92 3 eins zwei drei
0.85 4 eins zwei drei vier
0.8 5 eins zwei drei vier funf
SELECT TO_DECIMAL(SCORE(),3,2) AS score, * FROM test_table
WHERE CONTAINS(t, 'eins zwoi drei',
FUZZY(0.5,'textSearch=compare,bestMatchingTokenWeight=0,considerNonMatching
284
P U B L I C
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SAP HANA Developer Guide
Enabling Search