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https://github.com/ClickHouse/ClickHouse.git
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62 lines
3.4 KiB
SQL
62 lines
3.4 KiB
SQL
CREATE TABLE mytable
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(
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operand Float64,
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low Float64,
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high Float64,
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count UInt64,
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PRIMARY KEY (operand, low, high, count)
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) ENGINE = MergeTree();
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INSERT INTO mytable VALUES (3, -100, 200, 10), (0, 0, 10, 4), (3, 0, 10, 3), (4.333, 1, 11, 3), (4.34, 1, 11, 3), (-7.6, -10, 0, 4), (-6, -5, -1, 2), (1, 3, 0, 1), (3, 2, 5, 0);
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SELECT operand, low, high, count, WIDTH_BUCKET(operand, low, high, count) FROM mytable WHERE count != 0;
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SELECT '----------';
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-- zero is not valid for count
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SELECT operand, low, high, count, WIDTH_BUCKET(operand, low, high, count) FROM mytable WHERE count = 0; -- { serverError BAD_ARGUMENTS }
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-- operand, low and high cannot be NaN
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SELECT WIDTH_BUCKET(0, 10, NaN, 10); -- { serverError BAD_ARGUMENTS }
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SELECT WIDTH_BUCKET(NaN, 0, 10, 10); -- { serverError BAD_ARGUMENTS }
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SELECT WIDTH_BUCKET(0, NaN, 10, 10); -- { serverError BAD_ARGUMENTS }
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-- low and high cannot be Inf
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SELECT WIDTH_BUCKET(1, -Inf, 10, 10); -- { serverError BAD_ARGUMENTS }
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-- low and high cannot be Inf
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SELECT WIDTH_BUCKET(1, 0, Inf, 10); -- { serverError BAD_ARGUMENTS }
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-- operand can be Inf
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SELECT WIDTH_BUCKET(-Inf, 0, 10, 10);
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SELECT WIDTH_BUCKET(Inf, 0, 10, 10);
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SELECT '----------';
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-- IntXX types
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SELECT toInt64(operand) AS operand, toInt32(low) AS low, toInt16(high) AS high, count, WIDTH_BUCKET(operand, low, high, count) FROM mytable WHERE count != 0;
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SELECT '----------';
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-- UIntXX types
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SELECT toUInt8(toInt8(operand)) AS operand, toUInt16(toInt16(low)) AS low, toUInt32(toInt32(high)) AS high, count, WIDTH_BUCKET(operand, low, high, count) FROM mytable WHERE count != 0;
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SELECT '----------';
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SELECT WIDTH_BUCKET(1, 2, 3, -1); -- { serverError ILLEGAL_TYPE_OF_ARGUMENT }
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SELECT WIDTH_BUCKET(1, 2, 3, 1.3); -- { serverError ILLEGAL_TYPE_OF_ARGUMENT }
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SELECT WIDTH_BUCKET('a', 1, 2, 3); -- { serverError ILLEGAL_TYPE_OF_ARGUMENT }
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SELECT WIDTH_BUCKET(1, toUInt128(42), 2, 3); -- { serverError ILLEGAL_TYPE_OF_ARGUMENT }
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SELECT WIDTH_BUCKET(1, 2, toInt128(42), 3); -- { serverError ILLEGAL_TYPE_OF_ARGUMENT }
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SELECT WIDTH_BUCKET(1, 2, 3, toInt256(42)); -- { serverError ILLEGAL_TYPE_OF_ARGUMENT }
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SELECT '----------';
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-- Return type checks
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SELECT toTypeName(WIDTH_BUCKET(1, 2, 3, toUInt8(1)));
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SELECT toTypeName(WIDTH_BUCKET(1, 2, 3, toUInt16(1)));
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SELECT toTypeName(WIDTH_BUCKET(1, 2, 3, toUInt32(1)));
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SELECT toTypeName(WIDTH_BUCKET(1, 2, 3, toUInt64(1)));
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SELECT '----------';
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-- Test handling ColumnConst
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SELECT WIDTH_BUCKET(1, low, high, count) FROM mytable WHERE count != 0;
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SELECT WIDTH_BUCKET(operand, 2, high, count) FROM mytable WHERE count != 0;
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SELECT WIDTH_BUCKET(3, 3, high, count) FROM mytable WHERE count != 0;
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SELECT WIDTH_BUCKET(operand, low, 4, count) FROM mytable WHERE count != 0;
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SELECT WIDTH_BUCKET(5, low, 5, count) FROM mytable WHERE count != 0;
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SELECT WIDTH_BUCKET(operand, 6, 6, count) FROM mytable WHERE count != 0;
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SELECT WIDTH_BUCKET(7, 7, 7, count) FROM mytable WHERE count != 0;
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SELECT WIDTH_BUCKET(operand, low, high, 8) FROM mytable WHERE count != 0;
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SELECT WIDTH_BUCKET(9, low, high, 9) FROM mytable WHERE count != 0;
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SELECT WIDTH_BUCKET(operand, 10, high, 10) FROM mytable WHERE count != 0;
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SELECT WIDTH_BUCKET(11, 11, high, 11) FROM mytable WHERE count != 0;
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SELECT WIDTH_BUCKET(operand, low, 12, 12) FROM mytable WHERE count != 0;
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SELECT WIDTH_BUCKET(13, low, 13, 13) FROM mytable WHERE count != 0;
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SELECT WIDTH_BUCKET(operand, 14, 14, 14) FROM mytable WHERE count != 0;
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SELECT WIDTH_BUCKET(15, 15, 15, 15) FROM mytable WHERE count != 0; |