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

clang format apply

Browse Source
This commit is contained in:
Leonid Fedorov
2022-01-21 16:43:49 +00:00
parent 6b6411229f
commit 04752ec546
1376 changed files with 393460 additions and 412662 deletions
Download Patch File Download Diff File Expand all files Collapse all files

103
utils/funcexp/func_ltrim.cpp
View File

@ -16,10 +16,10 @@
MA 02110-1301, USA. */
/****************************************************************************
* $Id: func_ltrim.cpp 3923 2013-06-19 21:43:06Z bwilkinson $
*
*
****************************************************************************/
* $Id: func_ltrim.cpp 3923 2013-06-19 21:43:06Z bwilkinson $
*
*
****************************************************************************/
#include <string>
using namespace std;
@ -34,68 +34,63 @@ using namespace rowgroup;
#include "joblisttypes.h"
using namespace joblist;
namespace funcexp
{
CalpontSystemCatalog::ColType Func_ltrim::operationType(FunctionParm& fp, CalpontSystemCatalog::ColType& resultType)
CalpontSystemCatalog::ColType Func_ltrim::operationType(FunctionParm& fp,
CalpontSystemCatalog::ColType& resultType)
{
// operation type is not used by this functor
return fp[0]->data()->resultType();
// operation type is not used by this functor
return fp[0]->data()->resultType();
}
std::string Func_ltrim::getStrVal(rowgroup::Row& row,
FunctionParm& fp,
bool& isNull,
execplan::CalpontSystemCatalog::ColType& type)
std::string Func_ltrim::getStrVal(rowgroup::Row& row, FunctionParm& fp, bool& isNull,
execplan::CalpontSystemCatalog::ColType& type)
{
CHARSET_INFO* cs = type.getCharset();
// The original string
const string& src = fp[0]->data()->getStrVal(row, isNull);
if (isNull)
return "";
if (src.empty() || src.length() == 0)
return src;
// binLen represents the number of bytes in src
size_t binLen = src.length();
const char* pos = src.c_str();
const char* end = pos + binLen;
// strLen = the number of characters in src
size_t strLen = cs->numchars(pos, end);
CHARSET_INFO* cs = type.getCharset();
// The original string
const string& src = fp[0]->data()->getStrVal(row, isNull);
if (isNull)
return "";
if (src.empty() || src.length() == 0)
return src;
// binLen represents the number of bytes in src
size_t binLen = src.length();
const char* pos = src.c_str();
const char* end = pos + binLen;
// strLen = the number of characters in src
size_t strLen = cs->numchars(pos, end);
// The trim characters.
const string& trim = (fp.size() > 1 ? fp[1]->data()->getStrVal(row, isNull) : " ");
// binTLen represents the number of bytes in trim
size_t binTLen = trim.length();
const char* posT = trim.c_str();
// strTLen = the number of characters in trim
size_t strTLen = cs->numchars(posT, posT+binTLen);
if (strTLen == 0 || strTLen > strLen)
return src;
// The trim characters.
const string& trim = (fp.size() > 1 ? fp[1]->data()->getStrVal(row, isNull) : " ");
// binTLen represents the number of bytes in trim
size_t binTLen = trim.length();
const char* posT = trim.c_str();
// strTLen = the number of characters in trim
size_t strTLen = cs->numchars(posT, posT + binTLen);
if (strTLen == 0 || strTLen > strLen)
return src;
if (binTLen == 1)
if (binTLen == 1)
{
// If the trim string is 1 byte, don't waste cpu for memcmp
while (pos < end && *pos == *posT)
{
// If the trim string is 1 byte, don't waste cpu for memcmp
while (pos < end && *pos == *posT)
{
++pos;
--binLen;
}
++pos;
--binLen;
}
else
}
else
{
while (pos + binTLen <= end && memcmp(pos, posT, binTLen) == 0)
{
while (pos+binTLen <= end && memcmp(pos,posT,binTLen) == 0)
{
pos += binTLen;
binLen -= binTLen;
}
pos += binTLen;
binLen -= binTLen;
}
// Turn back to a string
std::string ret(pos, binLen);
return ret;
}
// Turn back to a string
std::string ret(pos, binLen);
return ret;
}
} // namespace funcexp
} // namespace funcexp
// vim:ts=4 sw=4: