ClickHouse/tests/queries/0_stateless/00308_write_buffer_valid_utf8.sql

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SET output_format_write_statistics = 0;
SELECT concat('Hello, ', unhex('a0'), ' World') AS s1, concat('Hello, ', unhex('a0')) AS s2, concat(unhex('a0'), ' World') AS s3 FORMAT JSONCompact;
Addition [#METR-22400]. 2016-08-17 23:02:50 +00:00			`SET output_format_write_statistics = 0;`
Improved performance of WriteBufferValidUTF8 [#METR-20026]. 2016-02-14 04:07:55 +00:00			`SELECT concat('Hello, ', unhex('a0'), ' World') AS s1, concat('Hello, ', unhex('a0')) AS s2, concat(unhex('a0'), ' World') AS s3 FORMAT JSONCompact;`