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25 lines
1.9 KiB
SQL
25 lines
1.9 KiB
SQL
SELECT 'Negative tests';
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SELECT arrayFold(); -- { serverError NUMBER_OF_ARGUMENTS_DOESNT_MATCH }
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SELECT arrayFold(1); -- { serverError NUMBER_OF_ARGUMENTS_DOESNT_MATCH }
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SELECT arrayFold(1, toUInt64(0)); -- { serverError NUMBER_OF_ARGUMENTS_DOESNT_MATCH }
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SELECT arrayFold(1, emptyArrayUInt64(), toUInt64(0)); -- { serverError ILLEGAL_TYPE_OF_ARGUMENT }
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SELECT arrayFold( acc,x -> x, emptyArrayString(), toInt8(0)); -- { serverError TYPE_MISMATCH }
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SELECT arrayFold( acc,x -> x, 'not an array', toUInt8(0)); -- { serverError ILLEGAL_TYPE_OF_ARGUMENT }
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SELECT arrayFold( acc,x,y -> x, [0, 1], 'not an array', toUInt8(0)); -- { serverError ILLEGAL_TYPE_OF_ARGUMENT }
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SELECT arrayFold( acc,x -> x, [0, 1], [2, 3], toUInt8(0)); -- { serverError ILLEGAL_TYPE_OF_ARGUMENT }
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SELECT arrayFold( acc,x,y -> x, [0, 1], [2, 3, 4], toUInt8(0)); -- { serverError SIZES_OF_ARRAYS_DONT_MATCH }
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SELECT 'Const arrays';
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SELECT arrayFold( acc,x -> acc+x*2, [1, 2, 3, 4], toInt64(3));
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SELECT arrayFold( acc,x -> acc+x*2, emptyArrayInt64(), toInt64(3));
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SELECT arrayFold( acc,x,y -> acc+x*2+y*3, [1, 2, 3, 4], [5, 6, 7, 8], toInt64(3));
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SELECT arrayFold( acc,x -> arrayPushBack(acc, x), [1, 2, 3, 4], emptyArrayInt64());
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SELECT arrayFold( acc,x -> arrayPushFront(acc, x), [1, 2, 3, 4], emptyArrayInt64());
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SELECT arrayFold( acc,x -> (arrayPushFront(acc.1, x),arrayPushBack(acc.2, x)), [1, 2, 3, 4], (emptyArrayInt64(), emptyArrayInt64()));
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SELECT arrayFold( acc,x -> x%2 ? (arrayPushBack(acc.1, x), acc.2): (acc.1, arrayPushBack(acc.2, x)), [1, 2, 3, 4, 5, 6], (emptyArrayInt64(), emptyArrayInt64()));
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SELECT 'Non-const arrays';
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SELECT arrayFold( acc,x -> acc+x, range(number), number) FROM system.numbers LIMIT 5;
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SELECT arrayFold( acc,x -> arrayPushFront(acc,x), range(number), emptyArrayUInt64()) FROM system.numbers LIMIT 5;
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SELECT arrayFold( acc,x -> x%2 ? arrayPushFront(acc,x) : arrayPushBack(acc,x), range(number), emptyArrayUInt64()) FROM system.numbers LIMIT 5;
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