database/mariadb-columnstore-engine
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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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13
utils/funcexp/func_least.cpp
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@ -22,6 +22,10 @@
*
****************************************************************************/
#include <mariadb.h>
#undef set_bits // mariadb.h defines set_bits, which is incompatible with boost
#include <my_sys.h>
#include <cstdlib>
#include <string>
#include <sstream>
@ -127,17 +131,16 @@ std::string Func_least::getStrVal(rowgroup::Row& row,
execplan::CalpontSystemCatalog::ColType& op_ct)
{
string leastStr = fp[0]->data()->getStrVal(row, isNull);
CHARSET_INFO* cs = fp[0]->data()->resultType().getCharset();
for (uint32_t i = 1; i < fp.size(); i++)
{
const string& str1 = fp[i]->data()->getStrVal(row, isNull);
int tmp = utf8::idb_strcoll(leastStr.c_str(), str1.c_str());
if ( tmp > 0 )
// if ( leastStr > str1 )
if (cs->strnncoll(leastStr.c_str(), leastStr.length(), str1.c_str(), str1.length()) > 0)
{
leastStr = str1;
}
}
return leastStr;