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Leonid Fedorov
@ -16,10 +16,10 @@
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MA 02110-1301, USA. */
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/****************************************************************************
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* $Id: func_char.cpp 3931 2013-06-21 20:17:28Z bwilkinson $
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*
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*
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****************************************************************************/
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* $Id: func_char.cpp 3931 2013-06-21 20:17:28Z bwilkinson $
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*
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*
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****************************************************************************/
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#include <cstdlib>
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#include <string>
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@ -38,148 +38,144 @@ using namespace rowgroup;
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#include "errorids.h"
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using namespace logging;
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#include <myisampack.h> // min_intXstore()
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#include <myisampack.h> // min_intXstore()
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#include "vlarray.h"
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namespace
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{
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inline size_t getChar(int32_t num, char*& buf)
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{
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char tmp[4];
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size_t numBytes = 0;
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if (num & 0xFF000000L)
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{
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mi_int4store(tmp, num);
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numBytes = 4;
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}
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else if (num & 0xFF0000L)
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{
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mi_int3store(tmp, num);
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numBytes = 3;
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}
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else if (num & 0xFF00L)
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{
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mi_int2store(tmp, num);
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numBytes = 2;
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}
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else
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{
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*((int8_t*)buf) = num;
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++ buf;
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return 1;
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}
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memcpy(buf, tmp, numBytes);
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buf += numBytes;
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return numBytes;
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char tmp[4];
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size_t numBytes = 0;
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if (num & 0xFF000000L)
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{
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mi_int4store(tmp, num);
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numBytes = 4;
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}
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else if (num & 0xFF0000L)
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{
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mi_int3store(tmp, num);
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numBytes = 3;
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}
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else if (num & 0xFF00L)
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{
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mi_int2store(tmp, num);
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numBytes = 2;
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}
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else
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{
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*((int8_t*)buf) = num;
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++buf;
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return 1;
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}
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memcpy(buf, tmp, numBytes);
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buf += numBytes;
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return numBytes;
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}
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}
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} // namespace
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namespace funcexp
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{
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CalpontSystemCatalog::ColType Func_char::operationType(FunctionParm& fp, CalpontSystemCatalog::ColType& resultType)
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CalpontSystemCatalog::ColType Func_char::operationType(FunctionParm& fp,
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CalpontSystemCatalog::ColType& resultType)
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{
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// operation type is not used by this functor
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return fp[0]->data()->resultType();
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// operation type is not used by this functor
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return fp[0]->data()->resultType();
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}
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string Func_char::getStrVal(Row& row,
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FunctionParm& parm,
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bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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string Func_char::getStrVal(Row& row, FunctionParm& parm, bool& isNull, CalpontSystemCatalog::ColType& ct)
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{
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const int BUF_SIZE = 4 * parm.size();
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utils::VLArray<char, 1024> buf(BUF_SIZE);
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buf[0]= 0;
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char* pBuf = buf;
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CHARSET_INFO* cs = ct.getCharset();
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int32_t value = 0;
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int32_t numBytes = 0;
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for (uint32_t i = 0; i < parm.size(); ++i)
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const int BUF_SIZE = 4 * parm.size();
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utils::VLArray<char, 1024> buf(BUF_SIZE);
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buf[0] = 0;
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char* pBuf = buf;
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CHARSET_INFO* cs = ct.getCharset();
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int32_t value = 0;
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int32_t numBytes = 0;
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for (uint32_t i = 0; i < parm.size(); ++i)
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{
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ReturnedColumn* rc = (ReturnedColumn*)parm[i]->data();
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switch (rc->resultType().colDataType)
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{
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ReturnedColumn* rc = (ReturnedColumn*)parm[i]->data();
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switch (rc->resultType().colDataType)
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{
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case execplan::CalpontSystemCatalog::BIGINT:
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case execplan::CalpontSystemCatalog::INT:
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case execplan::CalpontSystemCatalog::MEDINT:
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case execplan::CalpontSystemCatalog::TINYINT:
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case execplan::CalpontSystemCatalog::SMALLINT:
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case execplan::CalpontSystemCatalog::UBIGINT:
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case execplan::CalpontSystemCatalog::UINT:
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case execplan::CalpontSystemCatalog::UMEDINT:
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case execplan::CalpontSystemCatalog::UTINYINT:
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case execplan::CalpontSystemCatalog::USMALLINT:
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{
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value = rc->getIntVal(row, isNull);
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}
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break;
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case execplan::CalpontSystemCatalog::BIGINT:
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case execplan::CalpontSystemCatalog::INT:
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case execplan::CalpontSystemCatalog::MEDINT:
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case execplan::CalpontSystemCatalog::TINYINT:
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case execplan::CalpontSystemCatalog::SMALLINT:
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case execplan::CalpontSystemCatalog::UBIGINT:
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case execplan::CalpontSystemCatalog::UINT:
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case execplan::CalpontSystemCatalog::UMEDINT:
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case execplan::CalpontSystemCatalog::UTINYINT:
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case execplan::CalpontSystemCatalog::USMALLINT:
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{
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value = rc->getIntVal(row, isNull);
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}
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break;
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case execplan::CalpontSystemCatalog::VARCHAR: // including CHAR'
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case execplan::CalpontSystemCatalog::CHAR:
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case execplan::CalpontSystemCatalog::TEXT:
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case execplan::CalpontSystemCatalog::DOUBLE:
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case execplan::CalpontSystemCatalog::UDOUBLE:
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case execplan::CalpontSystemCatalog::FLOAT:
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case execplan::CalpontSystemCatalog::UFLOAT:
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{
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double vf = std::round(rc->getDoubleVal(row, isNull));
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value = (int32_t)vf;
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}
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break;
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case execplan::CalpontSystemCatalog::VARCHAR: // including CHAR'
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case execplan::CalpontSystemCatalog::CHAR:
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case execplan::CalpontSystemCatalog::TEXT:
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case execplan::CalpontSystemCatalog::DOUBLE:
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case execplan::CalpontSystemCatalog::UDOUBLE:
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case execplan::CalpontSystemCatalog::FLOAT:
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case execplan::CalpontSystemCatalog::UFLOAT:
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{
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double vf = std::round(rc->getDoubleVal(row, isNull));
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value = (int32_t)vf;
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}
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break;
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case execplan::CalpontSystemCatalog::DECIMAL:
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case execplan::CalpontSystemCatalog::UDECIMAL:
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{
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value = static_cast<int32_t>(rc->getDecimalVal(row, isNull).toSInt64Round());
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}
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break;
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case execplan::CalpontSystemCatalog::DECIMAL:
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case execplan::CalpontSystemCatalog::UDECIMAL:
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{
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value = static_cast<int32_t>(rc->getDecimalVal(row, isNull).toSInt64Round());
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}
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break;
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case execplan::CalpontSystemCatalog::DATE:
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case execplan::CalpontSystemCatalog::DATETIME:
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case execplan::CalpontSystemCatalog::TIMESTAMP:
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{
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continue; // Dates are ignored
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}
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break;
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case execplan::CalpontSystemCatalog::DATE:
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case execplan::CalpontSystemCatalog::DATETIME:
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case execplan::CalpontSystemCatalog::TIMESTAMP:
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{
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continue; // Dates are ignored
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}
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break;
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default:
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{
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value = 0;
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}
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}
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if (isNull)
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continue;
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numBytes += getChar(value, pBuf);
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default:
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{
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value = 0;
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}
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}
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isNull = false;
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/* Check whether we got a well-formed string */
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MY_STRCOPY_STATUS status;
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int32_t actualBytes = cs->well_formed_char_length(buf, buf + numBytes, numBytes, &status);
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if (isNull)
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continue;
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if (UNLIKELY(actualBytes < numBytes))
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{
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numBytes = actualBytes;
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ostringstream os;
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os << "Invalid character string for " << cs->cs_name.str << ": value = " << hex << buf + actualBytes;
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logging::Message::Args args;
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logging::Message message(9);
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args.add(os.str());
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logging::LoggingID logid(28); // Shows as PrimProc, which may not be correct in all cases
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logging::Logger logger(logid.fSubsysID);
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logger.logMessage(logging::LOG_TYPE_WARNING, message, logid);
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// TODO: push warning to client
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}
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std::string ret(buf, numBytes);
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return ret;
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numBytes += getChar(value, pBuf);
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}
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isNull = false;
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/* Check whether we got a well-formed string */
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MY_STRCOPY_STATUS status;
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int32_t actualBytes = cs->well_formed_char_length(buf, buf + numBytes, numBytes, &status);
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if (UNLIKELY(actualBytes < numBytes))
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{
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numBytes = actualBytes;
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ostringstream os;
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os << "Invalid character string for " << cs->cs_name.str << ": value = " << hex << buf + actualBytes;
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logging::Message::Args args;
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logging::Message message(9);
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args.add(os.str());
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logging::LoggingID logid(28); // Shows as PrimProc, which may not be correct in all cases
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logging::Logger logger(logid.fSubsysID);
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logger.logMessage(logging::LOG_TYPE_WARNING, message, logid);
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// TODO: push warning to client
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}
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std::string ret(buf, numBytes);
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return ret;
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}
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} // namespace funcexp
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} // namespace funcexp
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// vim:ts=4 sw=4:
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