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

[Improvement](join) optimize join probing phase (#13357)

Browse Source
This commit is contained in:
Gabriel
2022-10-18 12:37:17 +08:00
committed by GitHub
parent 18f2db6064
commit cd3450bd9d
18 changed files with 722 additions and 575 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
be/src/vec/columns/column_string.cpp
View File

@ -402,8 +402,9 @@ ColumnPtr ColumnString::replicate(const Offsets& replicate_offsets) const {
return res;
}
void ColumnString::replicate(const uint32_t* counts, size_t target_size, IColumn& column) const {
size_t col_size = size();
void ColumnString::replicate(const uint32_t* counts, size_t target_size, IColumn& column,
size_t begin, int count_sz) const {
size_t col_size = count_sz < 0 ? size() : count_sz;
if (0 == col_size) {
return;
}
@ -415,10 +416,12 @@ void ColumnString::replicate(const uint32_t* counts, size_t target_size, IColumn
res_chars.reserve(chars.size() / col_size * target_size);
res_offsets.reserve(target_size);
Offset prev_string_offset = 0;
size_t base = begin > 0 ? offsets[begin - 1] : 0;
Offset prev_string_offset = 0 + base;
Offset current_new_offset = 0;
for (size_t i = 0; i < col_size; ++i) {
size_t end = begin + col_size;
for (size_t i = begin; i < end; ++i) {
size_t size_to_replicate = counts[i];
size_t string_size = offsets[i] - prev_string_offset;