mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-22 15:42:02 +00:00
68 lines
3.0 KiB
SQL
68 lines
3.0 KiB
SQL
DROP TABLE IF EXISTS bloom_filter;
|
|
|
|
CREATE TABLE bloom_filter
|
|
(
|
|
id UInt64,
|
|
s String,
|
|
INDEX tok_bf (s, lower(s)) TYPE tokenbf_v1(512, 3, 0) GRANULARITY 1
|
|
) ENGINE = MergeTree() ORDER BY id SETTINGS index_granularity = 8, index_granularity_bytes = '10Mi';
|
|
|
|
insert into bloom_filter select number, 'yyy,uuu' from numbers(1024);
|
|
insert into bloom_filter select number+2000, 'abc,def,zzz' from numbers(8);
|
|
insert into bloom_filter select number+3000, 'yyy,uuu' from numbers(1024);
|
|
insert into bloom_filter select number+3000, 'abcdefzzz' from numbers(1024);
|
|
|
|
SELECT max(id) FROM bloom_filter WHERE hasToken(s, 'abc,def,zzz'); -- { serverError BAD_ARGUMENTS }
|
|
SELECT max(id) FROM bloom_filter WHERE hasTokenCaseInsensitive(s, 'abc,def,zzz'); -- { serverError BAD_ARGUMENTS }
|
|
|
|
SELECT max(id) FROM bloom_filter WHERE hasTokenOrNull(s, 'abc,def,zzz');
|
|
SELECT max(id) FROM bloom_filter WHERE hasTokenCaseInsensitiveOrNull(s, 'abc,def,zzz');
|
|
|
|
-- as table "bloom_filter" but w/o index_granularity_bytes
|
|
drop table if exists bloom_filter2;
|
|
create table bloom_filter2
|
|
(
|
|
id UInt64,
|
|
s String,
|
|
index tok_bf3 (s, lower(s)) type tokenbf_v1(512, 3, 0) GRANULARITY 1
|
|
) engine = MergeTree() order by id settings index_granularity = 8;
|
|
|
|
insert into bloom_filter2 select number, 'yyy,uuu' from numbers(1024);
|
|
insert into bloom_filter2 select number+2000, 'ABC,def,zzz' from numbers(8);
|
|
insert into bloom_filter2 select number+3000, 'yyy,uuu' from numbers(1024);
|
|
insert into bloom_filter2 select number+3000, 'abcdefzzz' from numbers(1024);
|
|
|
|
set max_rows_to_read = 16;
|
|
|
|
SELECT max(id) FROM bloom_filter WHERE hasToken(s, 'abc');
|
|
SELECT max(id) FROM bloom_filter WHERE hasTokenOrNull(s, 'abc');
|
|
SELECT max(id) FROM bloom_filter WHERE hasToken(s, 'ABC');
|
|
select max(id) from bloom_filter where hasTokenCaseInsensitive(s, 'ABC');
|
|
select max(id) from bloom_filter where hasTokenCaseInsensitiveOrNull(s, 'ABC');
|
|
SELECT max(id) FROM bloom_filter WHERE hasToken(s, 'def');
|
|
SELECT max(id) FROM bloom_filter WHERE hasToken(s, 'zzz');
|
|
select max(id) from bloom_filter where hasTokenCaseInsensitive(s, 'zZz');
|
|
|
|
select max(id) from bloom_filter2 where hasToken(s, 'ABC');
|
|
select max(id) from bloom_filter2 where hasToken(s, 'abc');
|
|
select max(id) from bloom_filter2 where hasTokenCaseInsensitive(s, 'abc');
|
|
select max(id) from bloom_filter2 where hasTokenCaseInsensitive(s, 'ABC');
|
|
|
|
-- invert result
|
|
-- this does not work as expected, reading more rows that it should
|
|
-- SELECT max(id) FROM bloom_filter WHERE NOT hasToken(s, 'yyy');
|
|
|
|
-- accessing to many rows
|
|
SELECT max(id) FROM bloom_filter WHERE hasToken(s, 'yyy'); -- { serverError TOO_MANY_ROWS }
|
|
|
|
-- this syntax is not supported by tokenbf
|
|
SELECT max(id) FROM bloom_filter WHERE hasToken(s, 'zzz') == 1; -- { serverError TOO_MANY_ROWS }
|
|
|
|
DROP TABLE bloom_filter;
|
|
|
|
-- AST fuzzer crash, issue #54541
|
|
CREATE TABLE tab (row_id UInt32, str String, INDEX idx str TYPE tokenbf_v1(256, 2, 0)) ENGINE = MergeTree ORDER BY row_id;
|
|
INSERT INTO tab VALUES (0, 'a');
|
|
SELECT * FROM tab WHERE str == 'else' AND 1.0;
|
|
DROP TABLE tab;
|