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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
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96
utils/funcexp/func_instr.cpp
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@ -16,10 +16,10 @@
MA 02110-1301, USA. */
/****************************************************************************
* $Id: func_instr.cpp 3645 2013-03-19 13:10:24Z rdempsey $
*
*
****************************************************************************/
* $Id: func_instr.cpp 3645 2013-03-19 13:10:24Z rdempsey $
*
*
****************************************************************************/
#include <cstdlib>
#include <string>
@ -33,60 +33,56 @@ using namespace execplan;
namespace funcexp
{
CalpontSystemCatalog::ColType Func_instr::operationType( FunctionParm& fp, CalpontSystemCatalog::ColType& resultType )
CalpontSystemCatalog::ColType Func_instr::operationType(FunctionParm& fp,
CalpontSystemCatalog::ColType& resultType)
{
CalpontSystemCatalog::ColType ct;
ct.colDataType = CalpontSystemCatalog::VARCHAR;
ct.colWidth = 255;
return ct;
CalpontSystemCatalog::ColType ct;
ct.colDataType = CalpontSystemCatalog::VARCHAR;
ct.colWidth = 255;
return ct;
}
int64_t Func_instr::getIntVal(rowgroup::Row& row,
FunctionParm& parm,
bool& isNull,
int64_t Func_instr::getIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
CalpontSystemCatalog::ColType& colType)
{
int64_t start = 0;
int64_t start0= 0;
my_match_t match;
const std::string& str = parm[0]->data()->getStrVal(row, isNull);
if (isNull)
return 0;
const char* s1 = str.c_str();
uint32_t l1 = (uint32_t)str.length();
const std::string& substr =parm[1]->data()->getStrVal(row, isNull);
if (isNull)
return 0;
int64_t start = 0;
int64_t start0 = 0;
my_match_t match;
const char* s2 = substr.c_str();
uint32_t l2 = (uint32_t)substr.length();
if (l2 < 1)
return start + 1;
const std::string& str = parm[0]->data()->getStrVal(row, isNull);
if (isNull)
return 0;
const char* s1 = str.c_str();
uint32_t l1 = (uint32_t)str.length();
CHARSET_INFO* cs = colType.getCharset();
if (parm.size() == 3)
{
start0 = start = parm[2]->data()->getIntVal(row, isNull) - 1;
if ((start < 0) || (start > l1))
return 0;
start = (int64_t)cs->charpos(s1, s1+l1, start); // adjust start for multi-byte
const std::string& substr = parm[1]->data()->getStrVal(row, isNull);
if (isNull)
return 0;
if (start + l2 > l1) // Substring is longer than str at pos.
return 0;
}
if (!cs->instr(s1+start, l1-start,
s2, l2,
&match, 1))
return 0;
return (int64_t)match.mb_len + start0 + 1;
const char* s2 = substr.c_str();
uint32_t l2 = (uint32_t)substr.length();
if (l2 < 1)
return start + 1;
CHARSET_INFO* cs = colType.getCharset();
if (parm.size() == 3)
{
start0 = start = parm[2]->data()->getIntVal(row, isNull) - 1;
if ((start < 0) || (start > l1))
return 0;
start = (int64_t)cs->charpos(s1, s1 + l1, start); // adjust start for multi-byte
if (start + l2 > l1) // Substring is longer than str at pos.
return 0;
}
if (!cs->instr(s1 + start, l1 - start, s2, l2, &match, 1))
return 0;
return (int64_t)match.mb_len + start0 + 1;
}
} // namespace funcexp
} // namespace funcexp
// vim:ts=4 sw=4: