database/mariadb-columnstore-engine
1
0
Fork 0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-07-29 08:21:15 +03:00
Code Activity

MCOL-5779: use encoding to check alter table alter column statement correctly

Browse Source
This commit is contained in:
Leonid Fedorov
2024-08-05 15:52:17 +00:00
committed by Leonid Fedorov
parent eeac2addd2
commit a46232f830
6 changed files with 93 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
dbcon/ddlpackageproc/altertableprocessor.cpp
View File

@ -45,6 +45,8 @@ using namespace ddlpackage;
#include "messagelog.h"
using namespace logging;
#include "mariadb_my_sys.h"
#include "we_messages.h"
#include "we_ddlcommandclient.h"
#include "we_ddlcommon.h"
@ -88,6 +90,14 @@ struct extentInfo
namespace
{
bool checkTextTypesLengthAreUqual(const CalpontSystemCatalog::ColType& colType, const ColumnType& newType)
{
auto newTypeCharset = get_charset(newType.fCharsetNum, MYF(MY_WME));
auto bytesInChar = newTypeCharset ? newTypeCharset->mbmaxlen : colType.getCharset()->mbmaxlen;
return colType.colWidth == newType.fLength * bytesInChar;
}
bool typesAreSame(const CalpontSystemCatalog::ColType& colType, const ColumnType& newType)
{
switch (colType.colDataType)
@ -117,7 +127,7 @@ bool typesAreSame(const CalpontSystemCatalog::ColType& colType, const ColumnType
break;
case (CalpontSystemCatalog::CHAR):
if (newType.fType == DDL_CHAR && colType.colWidth == newType.fLength)
if (newType.fType == DDL_CHAR && checkTextTypesLengthAreUqual(colType, newType))
return true;
break;
@ -252,7 +262,7 @@ bool typesAreSame(const CalpontSystemCatalog::ColType& colType, const ColumnType
break;
case (CalpontSystemCatalog::VARCHAR):
if (newType.fType == DDL_VARCHAR && colType.colWidth == newType.fLength)
if (newType.fType == DDL_VARCHAR && checkTextTypesLengthAreUqual(colType, newType))
return true;
break;
@ -738,8 +748,7 @@ void AlterTableProcessor::addColumn(uint32_t sessionID, execplan::CalpontSystemC
if ((dataType == CalpontSystemCatalog::CHAR && columnDefPtr->fType->fLength > 8) ||
(dataType == CalpontSystemCatalog::VARCHAR && columnDefPtr->fType->fLength > 7) ||
(dataType == CalpontSystemCatalog::VARBINARY && columnDefPtr->fType->fLength > 7) ||
(dataType == CalpontSystemCatalog::TEXT) ||
(dataType == CalpontSystemCatalog::BLOB))
(dataType == CalpontSystemCatalog::TEXT) || (dataType == CalpontSystemCatalog::BLOB))
{
isDict = true;
}