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add larger scale test that says more about performance than the functional tests

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Martijn Bakker 2019-04-05 19:04:18 +01:00
parent f96a7e401e
commit 76676f4535
2 changed files with 32 additions and 0 deletions
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dbms/tests/queries/0_stateless/00927_asof_join_big.reference Normal file
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dbms/tests/queries/0_stateless/00927_asof_join_big.sql Normal file
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USE test;
DROP TABLE IF EXISTS tvs;
DROP TABLE IF EXISTS trades;
DROP TABLE IF EXISTS keys;
DROP TABLE IF EXISTS tv_times;
DROP TABLE IF EXISTS trade_times;
CREATE TABLE keys(k UInt32) ENGINE = MergeTree() ORDER BY k;
INSERT INTO keys(k) SELECT number FROM system.numbers LIMIT 5000;
CREATE TABLE tv_times(t UInt32) ENGINE = MergeTree() ORDER BY t;
INSERT INTO tv_times(t) SELECT number * 3 FROM system.numbers LIMIT 50000;
CREATE TABLE trade_times(t UInt32) ENGINE = MergeTree() ORDER BY t;
INSERT INTO trade_times(t) SELECT number * 10 FROM system.numbers LIMIT 15000;
CREATE TABLE tvs(k UInt32, t UInt32, tv UInt64) ENGINE = MergeTree() ORDER BY (k, t);
INSERT INTO tvs(k,t,tv) SELECT k, t, t FROM keys CROSS JOIN tv_times;
CREATE TABLE trades(k UInt32, t UInt32, price UInt64) ENGINE = MergeTree() ORDER BY (k, t);
INSERT INTO trades(k,t,price) SELECT k, t, t FROM keys CROSS JOIN trade_times;
SELECT SUM(trades.price - tvs.tv) FROM trades ASOF LEFT JOIN tvs USING(k,t);
DROP TABLE tvs;
DROP TABLE trades;
DROP TABLE keys;
DROP TABLE tv_times;
DROP TABLE trade_times;