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7 lines
311 B
SQL
7 lines
311 B
SQL
DROP TABLE IF EXISTS han_1;
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CREATE TABLE han_1 (k Int32, date_dt LowCardinality(Nullable(String)))
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ENGINE = MergeTree() PARTITION BY k ORDER BY k;
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INSERT INTO han_1 values (1, '2019-07-31');
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SELECT k, uniq(date_dt) FROM remote('127.0.0.{1,2}', currentDatabase(), han_1) GROUP BY k;
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DROP TABLE IF EXISTS han_1;
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