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https://github.com/ClickHouse/ClickHouse.git
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52 lines
1.8 KiB
SQL
52 lines
1.8 KiB
SQL
SET allow_experimental_bigint_types=1;
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CREATE TABLE IF NOT EXISTS test_01035_avg (
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i8 Int8 DEFAULT i64,
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i16 Int16 DEFAULT i64,
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i32 Int32 DEFAULT i64,
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i64 Int64 DEFAULT if(u64 % 2 = 0, toInt64(u64), toInt64(-u64)),
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i128 Int128 DEFAULT i64,
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i256 Int256 DEFAULT i64,
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u8 UInt8 DEFAULT u64,
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u16 UInt16 DEFAULT u64,
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u32 UInt32 DEFAULT u64,
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u64 UInt64,
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u128 UInt128 DEFAULT u64,
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u256 UInt256 DEFAULT u64,
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f32 Float32 DEFAULT u64,
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f64 Float64 DEFAULT u64,
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d32 Decimal32(4) DEFAULT toDecimal32(i32 / 1000, 4),
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d64 Decimal64(18) DEFAULT toDecimal64(u64 / 1000000, 8),
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d128 Decimal128(20) DEFAULT toDecimal128(i128 / 100000, 20),
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d256 Decimal256(40) DEFAULT toDecimal256(i256 / 100000, 40)
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) ENGINE = MergeTree() ORDER BY i64;
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SELECT avg(i8), avg(i16), avg(i32), avg(i64), avg(i128), avg(i256),
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avg(u8), avg(u16), avg(u32), avg(u64), avg(u128), avg(u256),
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avg(f32), avg(f64),
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avg(d32), avg(d64), avg(d128), avg(d256) FROM test_01035_avg;
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INSERT INTO test_01035_avg (u64) SELECT number FROM system.numbers LIMIT 1000000;
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SELECT avg(i8), avg(i16), avg(i32), avg(i64), avg(i128), avg(i256),
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avg(u8), avg(u16), avg(u32), avg(u64), avg(u128), avg(u256),
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avg(f32), avg(f64),
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avg(d32), avg(d64), avg(d128), avg(d256) FROM test_01035_avg;
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SELECT avg(i8 * i16) FROM test_01035_avg;
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SELECT avg(f32 + f64) FROM test_01035_avg;
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SELECT avg(d128 - d64) FROM test_01035_avg;
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DROP TABLE IF EXISTS test_01035_avg;
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-- Checks that the internal SUM does not overflow Int8
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SELECT avg(key), avgIf(key, key > 0), avg(key2), avgIf(key2, key2 > 0), avg(key3), avgIf(key3, key3 > 0)
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FROM
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(
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SELECT 1::Int8 as key, Null::Nullable(Int8) AS key2, 1::Nullable(Int8) as key3
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FROM numbers(100000)
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)
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