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millb 2019-11-12 18:29:35 +03:00
parent d617c443b0
commit 1b76bf304e
1 changed files with 25 additions and 1 deletions
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26
dbms/src/Functions/FunctionsHashing.h
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@ -708,6 +708,29 @@ private:
ErrorCodes::ILLEGAL_COLUMN);
}
template <typename ColumnType, bool first>
void executeTypesWith8Bytes(const IColumn * column, typename ColumnVector<ToType>::Container & vec_to)
{
if (const ColumnType * col_from = checkAndGetColumn<ColumnType>(column))
{
const typename ColumnType::Container & vec_from = col_from->getData();
size_t size = vec_from.size();
for (size_t i = 0; i < size; ++i)
{
const ToType h = Impl::apply(reinterpret_cast<const char *>(vec_from[i], 8));
if (first)
vec_to[i] = h;
else
vec_to[i] = Impl::combineHashes(vec_to[i], h);
}
}
else
throw Exception("Illegal column " + column->getName()
+ " of argument of function " + getName(),
ErrorCodes::ILLEGAL_COLUMN);
}
template <bool first>
void executeString(const IColumn * column, typename ColumnVector<ToType>::Container & vec_to)
{
@ -845,7 +868,8 @@ private:
else if (which.isArray()) executeArray<first>(from_type, icolumn, vec_to);
else if (which.isDecimal32()) executeIntType<Decimal32, first, ColumnDecimal<Decimal32>>(icolumn, vec_to);
else if (which.isDecimal64()) executeIntType<Decimal64, first, ColumnDecimal<Decimal64>>(icolumn, vec_to);
else if (which.isDecimal128()) executeIntType<Decimal128, first, ColumnDecimal<Decimal128>>(icolumn, vec_to);
else if (which.isDecimal128()) executeTypesWith8Bytes<ColumnDecimal<Decimal128>, first>(icolumn, vec_to);
else if (which.isUUID()) executeTypesWith8Bytes<ColumnUInt128, first>(icolumn, vec_to));
else
throw Exception("Unexpected type " + from_type->getName() + " of argument of function " + getName(),
ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);