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MCOL-3536 collation

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This commit is contained in:
David Hall
2020-05-26 12:42:11 -05:00
parent 11ba12f6ea
commit 06e50e0926
47 changed files with 516 additions and 535 deletions
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31
utils/funcexp/func_ucase.cpp
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@ -20,6 +20,10 @@
*
*
****************************************************************************/
#include <mariadb.h>
#undef set_bits // mariadb.h defines set_bits, which is incompatible with boost
#include <my_sys.h>
#include <m_ctype.h>
#include <string>
using namespace std;
@ -55,31 +59,22 @@ CalpontSystemCatalog::ColType Func_ucase::operationType(FunctionParm& fp, Calpon
std::string Func_ucase::getStrVal(rowgroup::Row& row,
FunctionParm& fp,
bool& isNull,
execplan::CalpontSystemCatalog::ColType&)
execplan::CalpontSystemCatalog::ColType& colType)
{
// string str = fp[0]->data()->getStrVal(row, isNull);
// transform (str.begin(), str.end(), str.begin(), to_lower());
const string& tstr = fp[0]->data()->getStrVal(row, isNull);
if (isNull)
return "";
size_t strwclen = utf8::idb_mbstowcs(0, tstr.c_str(), 0) + 1;
wchar_t* wcbuf = new wchar_t[strwclen];
strwclen = utf8::idb_mbstowcs(wcbuf, tstr.c_str(), strwclen);
wstring wstr(wcbuf, strwclen);
CHARSET_INFO* cs = colType.getCharset();
uint64_t inLen = tstr.length();
uint64_t bufLen= inLen * cs->caseup_multiply;
char* outBuf = new char[bufLen];
uint64_t outLen = cs->caseup(tstr.c_str(), inLen, outBuf, bufLen);
for (uint32_t i = 0; i < strwclen; i++)
wstr[i] = std::towupper(wstr[i]);
size_t strmblen = utf8::idb_wcstombs(0, wstr.c_str(), 0) + 1;
char* outbuf = new char[strmblen];
strmblen = utf8::idb_wcstombs(outbuf, wstr.c_str(), strmblen);
std::string ret(outbuf, strmblen);
delete [] outbuf;
delete [] wcbuf;
string ret = string(outBuf, outLen);
delete [] outBuf;
return ret;
}