[ https://issues.apache.org/jira/browse/CASSANDRA-13543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alex Petrov reassigned CASSANDRA-13543: --------------------------------------- Assignee: Alex Petrov > Cassandra SASI index gives unexpected number of results > ------------------------------------------------------- > > Key: CASSANDRA-13543 > URL: https://issues.apache.org/jira/browse/CASSANDRA-13543 > Project: Cassandra > Issue Type: Bug > Components: sasi > Reporter: Alexander Nabatchikov > Assignee: Alex Petrov > > I've faced the issue with LIKE query to the column indexed by SASI index. > Cassandra can return different number of rows when the data stays immutable. > {code} > CREATE TABLE idx_test > ( > id int, > str text, > i int, > PRIMARY KEY (id) > ); > CREATE CUSTOM INDEX idx_test_idx ON idx_test (str) > USING 'org.apache.cassandra.index.sasi.SASIIndex' > WITH OPTIONS = { > 'mode': 'CONTAINS', > 'analyzer_class': > 'org.apache.cassandra.index.sasi.analyzer.StandardAnalyzer', > 'tokenization_enable_stemming': 'true', > 'tokenization_normalize_lowercase': 'true' > }; > INSERT INTO idx_test (id, str, i) VALUES (1, 'a b c d', 10); > INSERT INTO idx_test (id, str, i) VALUES (2, 'a b c d', 10); > INSERT INTO idx_test (id, str, i) VALUES (3, 'a b c d', 10); > INSERT INTO idx_test (id, str, i) VALUES (4, 'a b c d', 10); > INSERT INTO idx_test (id, str, i) VALUES (5, 'a b c d', 10); > INSERT INTO idx_test (id, str, i) VALUES (6, 'a b c d', 10); > INSERT INTO idx_test (id, str, i) VALUES (7, 'a b c d', 10); > INSERT INTO idx_test (id, str, i) VALUES (8, 'a b c d', 10); > INSERT INTO idx_test (id, str, i) VALUES (9, 'a b c d', 10); > INSERT INTO idx_test (id, str, i) VALUES (10, 'a b c d', 10); > {code} > Query: > {code} > SELECT * FROM idx_test WHERE str LIKE 'b' > AND i = 10 > ALLOW FILTERING; > {code} > This query mostly returns 0 rows, but sometimes 1 row appears in result row > set as: > {code} > id | i | str > 10 | 10 | a b c d > {code} -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org