database/doris
2
0
Fork 0
Code Issues Pull Requests Actions 3 Packages Projects Releases Wiki Activity

[Improvement](decimal) reduce overhead on disable check decimal overflow (#28249)

Browse Source 
reduce overhead on disable check decimal overflow
This commit is contained in:
Pxl
2023-12-19 10:12:30 +08:00
committed by GitHub
parent 89d728290d
commit d6514618b2
12 changed files with 377 additions and 615 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
be/src/vec/functions/function_binary_arithmetic.h
View File

@ -239,6 +239,11 @@ struct DecimalBinaryOperation {
using ArrayC = typename ColumnDecimal<ResultType>::Container;
private:
template <typename T>
static int8_t sgn(const T& x) {
return (x > 0) ? 1 : ((x < 0) ? -1 : 0);
}
static void vector_vector(const typename Traits::ArrayA::value_type* __restrict a,
const typename Traits::ArrayB::value_type* __restrict b,
typename ArrayC::value_type* c, size_t size,
@ -257,7 +262,17 @@ private:
a[i], b[i], max_result_number, scale_diff_multiplier));
}
},
make_bool_variant(need_adjust_scale));
make_bool_variant(need_adjust_scale && check_overflow));
if (OpTraits::is_multiply && need_adjust_scale && !check_overflow) {
int8_t sig[size];
for (size_t i = 0; i < size; i++) {
sig[i] = sgn(c[i].value);
}
for (size_t i = 0; i < size; i++) {
c[i].value = (c[i].value - sig[i]) / scale_diff_multiplier.value + sig[i];
}
}
}
}