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20 lines
441 B
SQL
20 lines
441 B
SQL
DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (x Int32) ENGINE = Memory;
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-- insert several blocks with 1 or 2 rows:
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (10),(100);
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INSERT INTO t1 VALUES (1000);
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INSERT INTO t1 VALUES (10000),(100000);
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SET max_rows_in_join = 111;
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SELECT x, sum(number), count(), FROM (
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SELECT t1.x, t2.number
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FROM t1
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CROSS JOIN numbers_mt(10_000_000) t2
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WHERE number <= x
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)
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GROUP BY ALL
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ORDER BY x
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; |