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fix crash with non const scale in toDecimal()

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This commit is contained in:
chertus 2018-10-25 16:53:25 +03:00
parent db2d65939c
commit 19a69004f0
2 changed files with 7 additions and 0 deletions
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3
dbms/src/Functions/FunctionsConversion.h
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@ -784,6 +784,9 @@ public:
}
else if constexpr (to_decimal)
{
if (!arguments[1].column)
throw Exception("Second argument for function " + getName() + " must be constant", ErrorCodes::ILLEGAL_COLUMN);
UInt64 scale = extractToDecimalScale(arguments[1]);
if constexpr (std::is_same_v<Name, NameToDecimal32>)

4
dbms/tests/queries/0_stateless/00700_decimal_casts.sql
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@ -239,4 +239,8 @@ SELECT toUInt64('2147483649') AS x, toDecimal32(x, 0); -- { serverError 407 }
SELECT toUInt64('9223372036854775807') AS x, toDecimal64(x, 0);
SELECT toUInt64('9223372036854775809') AS x, toDecimal64(x, 0); -- { serverError 407 }
SELECT toDecimal32(0, rowNumberInBlock()); -- { serverError 44 }
SELECT toDecimal64(0, rowNumberInBlock()); -- { serverError 44 }
SELECT toDecimal128(0, rowNumberInBlock()); -- { serverError 44 }
DROP TABLE IF EXISTS test.decimal;