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patch 4.0

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wangzelin.wzl
2022-10-24 10:34:53 +08:00
parent 4ad6e00ec3
commit 93a1074b0c
10533 changed files with 2588271 additions and 2299373 deletions
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58
src/sql/engine/aggregate/ob_exec_hash_struct.cpp
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@ -13,56 +13,59 @@
#include "ob_exec_hash_struct.h"
#include "common/row/ob_row_store.h"
namespace oceanbase {
namespace oceanbase
{
using namespace common;
namespace sql {
namespace sql
{
// When there's stored_row_ and reserved_cells_, use store_row's reserved_cells_ for calc hash.
// Other, use row_ for calc hash
//When there's stored_row_ and reserved_cells_, use store_row's reserved_cells_ for calc hash.
//Other, use row_ for calc hash
uint64_t ObHashCols::inner_hash() const
{
uint64_t result = 99194853094755497L;
if (hash_col_idx_ != NULL) {
int64_t group_col_count = hash_col_idx_->count();
if (stored_row_ != NULL && stored_row_->reserved_cells_count_ > 0) {
const ObObj* cells = stored_row_->reserved_cells_;
if (stored_row_ != NULL
&& stored_row_->reserved_cells_count_ > 0) {
const ObObj *cells = stored_row_->reserved_cells_;
for (int32_t i = 0; i < group_col_count; ++i) {
if (hash_col_idx_->at(i).index_ < stored_row_->reserved_cells_count_) {
const ObObj& cell = cells[hash_col_idx_->at(i).index_];
result = cell.is_string_type() ? cell.varchar_murmur_hash(hash_col_idx_->at(i).cs_type_, result)
: cell.hash(result);
const ObObj &cell = cells[hash_col_idx_->at(i).index_];
result = cell.is_string_type() ?
cell.varchar_murmur_hash(hash_col_idx_->at(i).cs_type_, result) :
cell.hash(result);
}
}
} else if (row_ != NULL && row_->is_valid()) {
const ObObj* cells = row_->cells_;
const int32_t* projector = row_->projector_;
const ObObj *cells = row_->cells_;
const int32_t *projector = row_->projector_;
for (int64_t i = 0; i < group_col_count; ++i) {
int64_t real_index =
row_->projector_size_ > 0 ? projector[hash_col_idx_->at(i).index_] : hash_col_idx_->at(i).index_;
const ObObj& cell = cells[real_index];
result =
cell.is_string_type() ? cell.varchar_murmur_hash(hash_col_idx_->at(i).cs_type_, result) : cell.hash(result);
int64_t real_index = row_->projector_size_ > 0 ?
projector[hash_col_idx_->at(i).index_] : hash_col_idx_->at(i).index_;
const ObObj &cell = cells[real_index];
result = cell.is_string_type() ?
cell.varchar_murmur_hash(hash_col_idx_->at(i).cs_type_, result) :
cell.hash(result);
}
}
}
return result;
}
// When there is stored_row_ reserved_cells, use stored_row_'s reserved_cells_ for calc equal.
// Other use row_.
bool ObHashCols::operator==(const ObHashCols& other) const
//When there is stored_row_ reserved_cells, use stored_row_'s reserved_cells_ for calc equal.
//Other use row_.
bool ObHashCols::operator ==(const ObHashCols &other) const
{
bool result = true;
const ObObj* lcell = NULL;
const ObObj* rcell = NULL;
const ObObj *lcell = NULL;
const ObObj *rcell = NULL;
if (OB_ISNULL(hash_col_idx_)) {
result = false;
} else {
int64_t group_col_count = hash_col_idx_->count();
// When group_col_count<=0 is the case of hash group by const,
// it should be considered as a group,
// so result should be initialized to true
//当group_col_count<=0是hash group by const的情况，应该认为是一个分组，所以result要初始化为true
for (int32_t i = 0; i < group_col_count && result; ++i) {
int64_t group_idx = hash_col_idx_->at(i).index_;
if (stored_row_ != NULL) {
@ -96,10 +99,11 @@ bool ObHashCols::operator==(const ObHashCols& other) const
return result;
}
void ObHashCols::set_stored_row(const ObRowStore::StoredRow* stored_row)
void ObHashCols::set_stored_row(const ObRowStore::StoredRow *stored_row)
{
stored_row_ = stored_row;
row_ = NULL;
}
} // namespace sql
} // namespace oceanbase
}//ns sql
}//ns oceanbase