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10 lines
567 B
SQL
10 lines
567 B
SQL
SELECT cityHash64(toUUID('61f0c404-5cb3-11e7-907b-a6006ad3dba0')) AS uuid;
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DROP TABLE IF EXISTS t_uuid;
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CREATE TABLE t_uuid (x UUID) ENGINE=TinyLog;
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INSERT INTO t_uuid SELECT generateUUIDv4();
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INSERT INTO t_uuid SELECT generateUUIDv4();
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INSERT INTO t_uuid SELECT generateUUIDv4();
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INSERT INTO t_uuid SELECT generateUUIDv4();
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SELECT (SELECT count() FROM t_uuid WHERE cityHash64(reinterpretAsString(x)) = cityHash64(x) and length(reinterpretAsString(x)) = 16) = (SELECT count() AS c2 FROM t_uuid WHERE length(reinterpretAsString(x)) = 16);
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DROP TABLE IF EXISTS t_uuid;
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