mirror of
https://github.com/GreptimeTeam/greptimedb.git
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599f289f59
* feat: add `granularity` and `false_positive_rate` options for indexes Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * address comments Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * upgrade proto Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> --------- Signed-off-by: Zhenchi <zhongzc_arch@outlook.com>
89 lines
3.0 KiB
SQL
89 lines
3.0 KiB
SQL
CREATE TABLE `test` (
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`message` STRING,
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`time` TIMESTAMP TIME INDEX,
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) WITH (
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append_mode = 'true'
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);
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SHOW CREATE TABLE test;
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-- Write/read after altering column fulltext options
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INSERT INTO test VALUES ('hello', '2020-01-01 00:00:00'),
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('world', '2020-01-01 00:00:01'),
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('hello world', '2020-01-02 00:00:00'),
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('world hello', '2020-01-02 00:00:01');
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SELECT * FROM test WHERE MATCHES(message, 'hello') ORDER BY message;
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ALTER TABLE test MODIFY COLUMN message SET FULLTEXT INDEX WITH(analyzer = 'Chinese', case_sensitive = 'true');
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SELECT * FROM test WHERE MATCHES(message, 'hello') ORDER BY message;
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INSERT INTO test VALUES ('hello NiKo', '2020-01-03 00:00:00'),
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('NiKo hello', '2020-01-03 00:00:01'),
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('hello hello', '2020-01-04 00:00:00'),
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('NiKo, NiKo', '2020-01-04 00:00:01');
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SELECT * FROM test WHERE MATCHES(message, 'hello') ORDER BY message;
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-- SQLNESS ARG restart=true
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SHOW CREATE TABLE test;
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SHOW INDEX FROM test;
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ALTER TABLE test MODIFY COLUMN message UNSET FULLTEXT INDEX;
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SHOW CREATE TABLE test;
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SHOW INDEX FROM test;
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ALTER TABLE test MODIFY COLUMN message SET FULLTEXT INDEX WITH(analyzer = 'Chinese', case_sensitive = 'true');
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SHOW CREATE TABLE test;
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SHOW INDEX FROM test;
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ALTER TABLE test MODIFY COLUMN message SET FULLTEXT INDEX WITH(analyzer = 'Chinese', case_sensitive = 'false');
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ALTER TABLE test MODIFY COLUMN message UNSET FULLTEXT INDEX;
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SHOW CREATE TABLE test;
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SHOW INDEX FROM test;
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ALTER TABLE test MODIFY COLUMN message SET FULLTEXT INDEX WITH(analyzer = 'Chinese', case_sensitive = 'true', backend = 'bloom');
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SHOW CREATE TABLE test;
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SHOW INDEX FROM test;
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ALTER TABLE test MODIFY COLUMN message SET FULLTEXT INDEX WITH(analyzer = 'Chinese', case_sensitive = 'true', backend = 'bloom', granularity = 1000);
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SHOW CREATE TABLE test;
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SHOW INDEX FROM test;
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ALTER TABLE test MODIFY COLUMN message SET FULLTEXT INDEX WITH(analyzer = 'Chinese', case_sensitive = 'true', backend = 'bloom', granularity = 1000, false_positive_rate = 0.05);
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SHOW CREATE TABLE test;
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SHOW INDEX FROM test;
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ALTER TABLE test MODIFY COLUMN message SET FULLTEXT INDEX WITH(analyzer = 'Chinese', case_sensitive = 'true', backend = 'tantivy');
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SHOW CREATE TABLE test;
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SHOW INDEX FROM test;
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-- Invalid options
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ALTER TABLE test MODIFY COLUMN message SET FULLTEXT INDEX WITH(analyzer = 'Chinglish', case_sensitive = 'false');
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ALTER TABLE test MODIFY COLUMN message SET FULLTEXT INDEX WITH(analyzer = 'Chinese', case_sensitive = 'no');
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ALTER TABLE test MODIFY COLUMN time SET FULLTEXT INDEX WITH(analyzer = 'Chinese', case_sensitive = 'false');
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ALTER TABLE test MODIFY COLUMN message SET FULLTEXT INDEX WITH(analyzer = 'English', case_sensitive = 'true');
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ALTER TABLE test MODIFY COLUMN message SET FULLTEXT INDEX WITH(backend = 'xor');
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ALTER TABLE test MODIFY COLUMN message SET FULLTEXT INDEX WITH(analyzer = 'Chinese', case_sensitive = 'true', backend = 'bloom', granularity = 0);
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ALTER TABLE test MODIFY COLUMN message SET FULLTEXT INDEX WITH(false_positive_rate = '0');
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DROP TABLE test;
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