database/mariadb-columnstore-engine
1
0
Fork 0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-11-05 04:50:35 +03:00
Code Activity

fix(perf): add reserves for usage of vector filled after creation

Browse Source
This commit is contained in:
Leonid Fedorov
2025-10-23 14:49:17 +00:00
committed by Leonid Fedorov
parent 87bdc5fcb0
commit 7d23514315
29 changed files with 220 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
writeengine/server/we_dmlcommandproc.cpp
View File

@@ -502,6 +502,7 @@ uint8_t WE_DMLCommandProc::processSingleInsert(messageqcpp::ByteStream& bs, std:
// First gather HWM BRM information for all columns
std::vector<int> colWidths;
colWidths.reserve(ridList.size());
for (unsigned i = 0; i < ridList.size(); i++)
{
@@ -609,6 +610,7 @@ uint8_t WE_DMLCommandProc::processSingleInsert(messageqcpp::ByteStream& bs, std:
std::map<uint32_t, uint32_t> oids;
std::vector<BRM::OID_t> oidsToFlush;
oidsToFlush.reserve(colStructs.size() + dctnryStructList.size());
for (unsigned i = 0; i < colStructs.size(); i++)
{
@@ -950,6 +952,7 @@ uint8_t WE_DMLCommandProc::processBatchInsert(messageqcpp::ByteStream& bs, std::
// First gather HWM BRM information for all columns
std::vector<int> colWidths;
colWidths.reserve(ridList.size() + 1); // +1 for potential AUX column
for (unsigned i = 0; i < ridList.size(); i++)
{
rc = BRMWrapper::getInstance()->getDbRootHWMInfo(ridList[i].objnum, dbRootHWMInfoColVec[i]);