mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-14 10:22:10 +00:00
22 lines
267 B
MySQL
22 lines
267 B
MySQL
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drop table if exists tbl_repr;
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CREATE TABLE tbl_repr(
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ts DateTime,
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x String)
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ENGINE=MergeTree ORDER BY ts;
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SELECT *
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FROM
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(
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SELECT
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x,
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length(x)
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FROM tbl_repr
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WHERE ts > now()
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LIMIT 1
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)
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WHERE x != '';
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drop table if exists tbl_repr;
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