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numbers_mt

The same as system.numbers but reads are parallelized. The numbers can be returned in any order.

Used for tests.

Example

:) SELECT * FROM system.numbers_mt LIMIT 10;
β”Œβ”€number─┐
β”‚ 0 β”‚
β”‚ 1 β”‚
β”‚ 2 β”‚
β”‚ 3 β”‚
β”‚ 4 β”‚
β”‚ 5 β”‚
β”‚ 6 β”‚
β”‚ 7 β”‚
β”‚ 8 β”‚
β”‚ 9 β”‚
β””β”€β”€β”€β”€β”€β”€β”€β”€β”˜

10 rows in set. Elapsed: 0.001 sec.

Original article