mirror of
https://github.com/ClickHouse/ClickHouse.git
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71 lines
2.7 KiB
SQL
71 lines
2.7 KiB
SQL
CREATE TABLE file (n Int8) ENGINE = File(upper('tsv') || 'WithNames' || 'AndTypes');
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CREATE TABLE buffer (n Int8) ENGINE = Buffer(currentDatabase(), file, 16, 10, 200, 10000, 1000000, 10000000, 1000000000);
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CREATE TABLE merge (n Int8) ENGINE = Merge('', lower('DISTRIBUTED'));
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CREATE TABLE merge_tf as merge(currentDatabase(), '.*');
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CREATE TABLE distributed (n Int8) ENGINE = Distributed(test_shard_localhost, currentDatabase(), 'fi' || 'le');
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CREATE TABLE distributed_tf as cluster('test' || '_' || 'shard_localhost', '', 'buf' || 'fer');
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INSERT INTO buffer VALUES (1);
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DETACH TABLE buffer; -- trigger flushing
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ATTACH TABLE buffer;
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CREATE TABLE url (n UInt64, col String) ENGINE=URL
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(
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replace
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(
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'https://localhost:8443/?query=' || 'select n, _table from ' || currentDatabase() || '.merge format CSV', ' ', '+'
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),
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CSV
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);
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CREATE VIEW view AS SELECT toInt64(n) as n FROM (SELECT toString(n) as n from merge WHERE _table != 'qwerty' ORDER BY _table) UNION ALL SELECT * FROM file;
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-- The following line is needed just to disable checking stderr for emptiness
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SELECT nonexistentsomething; -- { serverError 47 }
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CREATE DICTIONARY dict (n UInt64, col String DEFAULT '42') PRIMARY KEY n
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SOURCE(CLICKHOUSE(HOST 'localhost' PORT 9440 SECURE 1 USER 'default' TABLE 'url')) LIFETIME(1) LAYOUT(CACHE(SIZE_IN_CELLS 1));
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-- dict --> url --> merge |-> distributed -> file (1)
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-- |-> distributed_tf -> buffer -> file (1)
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-- TODO make fuzz test from this
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CREATE TABLE rich_syntax as remote
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(
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'localhos{x|y|t}',
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cluster
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(
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'test' || '_' || 'shard_localhost',
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remote
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(
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'127.0.0.{1..4}',
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if
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(
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toString(40 + 2) NOT IN ('hello', dictGetString(currentDatabase() || '.dict', 'col', toUInt64('0001'))),
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currentDatabase(),
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'FAIL'
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),
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extract('123view456', '[a-z]+')
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)
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)
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);
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SHOW CREATE file;
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SHOW CREATE buffer;
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SHOW CREATE merge;
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SHOW CREATE merge_tf;
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SHOW CREATE distributed;
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SHOW CREATE distributed_tf;
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SHOW CREATE url;
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SHOW CREATE rich_syntax;
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SHOW CREATE VIEW view;
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SHOW CREATE dict;
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INSERT INTO buffer VALUES (1);
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-- remote(localhost) --> cluster(test_shard_localhost) |-> remote(127.0.0.1) --> view |-> subquery --> merge |-> distributed --> file (1)
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-- | | |-> distributed_tf -> buffer (1) -> file (1)
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-- | |-> file (1)
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-- |-> remote(127.0.0.2) --> ...
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SELECT sum(n) from rich_syntax;
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