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61 lines
2.1 KiB
SQL
61 lines
2.1 KiB
SQL
SET compile_expressions = 1;
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SET min_count_to_compile_expression = 0;
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SELECT nan AS value, value = value, value = materialize(value), materialize(value) = value, materialize(value) = materialize(value);
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SELECT cast(nan, 'Float32') AS value, value = value, value = materialize(value), materialize(value) = value, materialize(value) = materialize(value);
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SELECT nan AS lhs, cast(nan, 'Float32') AS rhs, lhs = rhs, lhs = materialize(rhs), materialize(lhs) = rhs, materialize(lhs) = materialize(rhs);
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SELECT '--';
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DROP TABLE IF EXISTS test_table;
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CREATE TABLE test_table
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(
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id UInt32,
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value UInt32
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) ENGINE = MergeTree ORDER BY id;
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INSERT INTO test_table VALUES (76, 57);
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SELECT value FROM (SELECT stddevSamp(id) AS value FROM test_table) as subquery
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WHERE ((value = value) AND (NOT (value = value)));
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DROP TABLE test_table;
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SELECT '--';
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SELECT nan AS value, value != value, value != materialize(value), materialize(value) != value, materialize(value) != materialize(value);
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SELECT cast(nan, 'Float32') AS value, value != value, value != materialize(value), materialize(value) != value, materialize(value) != materialize(value);
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SELECT nan AS lhs, cast(nan, 'Float32') AS rhs, lhs != rhs, lhs != materialize(rhs), materialize(lhs) != rhs, materialize(lhs) != materialize(rhs);
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SELECT '--';
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CREATE TABLE test_table
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(
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id UInt32,
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value_1 UInt32,
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value_2 Float32
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) ENGINE = MergeTree ORDER BY id;
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INSERT INTO test_table VALUES (12000, 36, 77.94);
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SELECT value
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FROM (SELECT (corr(value_1, value_1) OVER test_window) AS value FROM test_table WINDOW test_window AS (PARTITION BY value_2 ORDER BY id ASC)) as subquery
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WHERE not (not (value <> value));
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DROP TABLE test_table;
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SELECT '--';
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CREATE TABLE test_table
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(
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id Float32,
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value Float32
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) ENGINE=MergeTree ORDER BY id;
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INSERT INTO test_table VALUES (-10.75, 95.57);
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SELECT * FROM (SELECT corr(id, id) as corr_value FROM test_table GROUP BY value) AS subquery LEFT ANTI JOIN test_table ON (subquery.corr_value = test_table.id)
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WHERE (test_table.id >= test_table.id) AND (NOT (test_table.id >= test_table.id));
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DROP TABLE test_table;
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