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taiyang-li 2023-03-07 15:50:11 +08:00
parent b303fb5630
commit ea73f68ab4
1 changed files with 6 additions and 4 deletions
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10
src/Functions/parseDateTime.cpp
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@ -532,17 +532,19 @@ namespace
auto col_res = ColumnDateTime::create(); auto col_res = ColumnDateTime::create();
col_res->reserve(input_rows_count); col_res->reserve(input_rows_count);
auto & data_res = col_res->getData(); auto & data_res = col_res->getData();
DateTime date;
/// Make datetime fit in a cache line.
alignas(64) DateTime datetime;
for (size_t i = 0; i < input_rows_count; ++i) for (size_t i = 0; i < input_rows_count; ++i)
{ {
date.reset(); datetime.reset();
StringRef str_ref = col_str->getDataAt(i); StringRef str_ref = col_str->getDataAt(i);
Pos cur = str_ref.data; Pos cur = str_ref.data;
Pos end = str_ref.data + str_ref.size; Pos end = str_ref.data + str_ref.size;
for (const auto & instruction : instructions) for (const auto & instruction : instructions)
{ {
cur = instruction.perform(cur, end, date); cur = instruction.perform(cur, end, datetime);
} }
// Ensure all input was consumed. // Ensure all input was consumed.
@ -553,7 +555,7 @@ namespace
str_ref.toView(), str_ref.toView(),
std::string_view(cur, end - cur)); std::string_view(cur, end - cur));
Int64 time = date.checkAndGetDateTime(time_zone); Int64 time = datetime.checkAndGetDateTime(time_zone);
data_res.push_back(static_cast<UInt32>(time)); data_res.push_back(static_cast<UInt32>(time));
} }