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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_unix_timestamp.cpp 2521 2011-05-02 19:36:52Z zzhu $
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*
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*
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****************************************************************************/
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* $Id: func_unix_timestamp.cpp 2521 2011-05-02 19:36:52Z zzhu $
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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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@ -35,209 +35,192 @@ using namespace execplan;
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namespace funcexp
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{
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CalpontSystemCatalog::ColType Func_unix_timestamp::operationType( FunctionParm& fp, CalpontSystemCatalog::ColType& resultType )
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CalpontSystemCatalog::ColType Func_unix_timestamp::operationType(FunctionParm& fp,
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CalpontSystemCatalog::ColType& resultType)
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{
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return resultType;
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return resultType;
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}
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int64_t Func_unix_timestamp::getIntVal(rowgroup::Row& row,
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FunctionParm& parm,
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bool& isNull,
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int64_t Func_unix_timestamp::getIntVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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{
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int64_t val = parm[0]->data()->getIntVal(row, isNull);
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int64_t val = parm[0]->data()->getIntVal(row, isNull);
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if (isNull) //no paramter, return current unix_timestamp
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{
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// get current time in seconds
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time_t cal;
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time (&cal);
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return (int64_t) cal;
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}
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if (isNull) // no paramter, return current unix_timestamp
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{
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// get current time in seconds
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time_t cal;
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time(&cal);
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return (int64_t)cal;
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}
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uint32_t year = 0,
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month = 0,
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day = 0,
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hour = 0,
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min = 0,
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sec = 0;
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uint32_t year = 0, month = 0, day = 0, hour = 0, min = 0, sec = 0;
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switch (parm[0]->data()->resultType().colDataType)
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{
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case CalpontSystemCatalog::DATE:
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val = parm[0]->data()->getIntVal(row, isNull);
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year = (uint32_t)((val >> 16) & 0xffff);
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month = (uint32_t)((val >> 12) & 0xf);
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day = (uint32_t)((val >> 6) & 0x3f);
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break;
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switch (parm[0]->data()->resultType().colDataType)
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{
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case CalpontSystemCatalog::DATE:
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val = parm[0]->data()->getIntVal(row, isNull);
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year = (uint32_t)((val >> 16) & 0xffff);
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month = (uint32_t)((val >> 12) & 0xf);
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day = (uint32_t)((val >> 6) & 0x3f);
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break;
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case CalpontSystemCatalog::DATETIME:
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val = parm[0]->data()->getIntVal(row, isNull);
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year = (uint32_t)((val >> 48) & 0xffff);
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month = (uint32_t)((val >> 44) & 0xf);
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day = (uint32_t)((val >> 38) & 0x3f);
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hour = (uint32_t)((val >> 32) & 0x3f);
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min = (uint32_t)((val >> 26) & 0x3f);
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sec = (uint32_t)((val >> 20) & 0x3f);
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break;
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case CalpontSystemCatalog::DATETIME:
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val = parm[0]->data()->getIntVal(row, isNull);
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year = (uint32_t)((val >> 48) & 0xffff);
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month = (uint32_t)((val >> 44) & 0xf);
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day = (uint32_t)((val >> 38) & 0x3f);
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hour = (uint32_t)((val >> 32) & 0x3f);
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min = (uint32_t)((val >> 26) & 0x3f);
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sec = (uint32_t)((val >> 20) & 0x3f);
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break;
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case CalpontSystemCatalog::TIMESTAMP:
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val = parm[0]->data()->getIntVal(row, isNull);
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// TimeStamp timeStamp(val);
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return ((val >> 20) & 0xFFFFFFFFFFFULL);
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break;
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case CalpontSystemCatalog::TIMESTAMP:
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val = parm[0]->data()->getIntVal(row, isNull);
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//TimeStamp timeStamp(val);
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return ((val >> 20) & 0xFFFFFFFFFFFULL);
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break;
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case CalpontSystemCatalog::CHAR:
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case CalpontSystemCatalog::VARCHAR:
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case CalpontSystemCatalog::TEXT:
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val = dataconvert::DataConvert::stringToDatetime(parm[0]->data()->getStrVal(row, isNull));
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case CalpontSystemCatalog::CHAR:
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case CalpontSystemCatalog::VARCHAR:
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case CalpontSystemCatalog::TEXT:
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val = dataconvert::DataConvert::stringToDatetime(parm[0]->data()->getStrVal(row, isNull));
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if (val == -1)
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{
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isNull = true;
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return -1;
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}
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else
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{
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year = (uint32_t)((val >> 48) & 0xffff);
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month = (uint32_t)((val >> 44) & 0xf);
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day = (uint32_t)((val >> 38) & 0x3f);
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}
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if (val == -1)
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{
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isNull = true;
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return -1;
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}
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else
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{
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year = (uint32_t)((val >> 48) & 0xffff);
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month = (uint32_t)((val >> 44) & 0xf);
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day = (uint32_t)((val >> 38) & 0x3f);
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}
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break;
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break;
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case CalpontSystemCatalog::BIGINT:
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case CalpontSystemCatalog::MEDINT:
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case CalpontSystemCatalog::SMALLINT:
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case CalpontSystemCatalog::TINYINT:
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case CalpontSystemCatalog::INT:
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val = dataconvert::DataConvert::intToDatetime(parm[0]->data()->getIntVal(row, isNull));
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case CalpontSystemCatalog::BIGINT:
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case CalpontSystemCatalog::MEDINT:
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case CalpontSystemCatalog::SMALLINT:
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case CalpontSystemCatalog::TINYINT:
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case CalpontSystemCatalog::INT:
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val = dataconvert::DataConvert::intToDatetime(parm[0]->data()->getIntVal(row, isNull));
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if (val == -1)
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{
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isNull = true;
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return -1;
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}
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else
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{
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year = (uint32_t)((val >> 48) & 0xffff);
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month = (uint32_t)((val >> 44) & 0xf);
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day = (uint32_t)((val >> 38) & 0x3f);
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}
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if (val == -1)
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{
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isNull = true;
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return -1;
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}
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else
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{
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year = (uint32_t)((val >> 48) & 0xffff);
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month = (uint32_t)((val >> 44) & 0xf);
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day = (uint32_t)((val >> 38) & 0x3f);
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}
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break;
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break;
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case CalpontSystemCatalog::DECIMAL:
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case CalpontSystemCatalog::UDECIMAL:
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if (parm[0]->data()->resultType().scale == 0)
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{
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val = dataconvert::DataConvert::intToDatetime(parm[0]->data()->getIntVal(row, isNull));
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case CalpontSystemCatalog::DECIMAL:
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case CalpontSystemCatalog::UDECIMAL:
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if (parm[0]->data()->resultType().scale == 0)
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{
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val = dataconvert::DataConvert::intToDatetime(parm[0]->data()->getIntVal(row, isNull));
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if (val == -1)
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{
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isNull = true;
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return -1;
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}
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else
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{
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year = (uint32_t)((val >> 48) & 0xffff);
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month = (uint32_t)((val >> 44) & 0xf);
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day = (uint32_t)((val >> 38) & 0x3f);
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}
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}
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else
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{
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isNull = true;
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return -1;
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}
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if (val == -1)
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{
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isNull = true;
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return -1;
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}
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else
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{
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year = (uint32_t)((val >> 48) & 0xffff);
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month = (uint32_t)((val >> 44) & 0xf);
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day = (uint32_t)((val >> 38) & 0x3f);
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}
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}
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else
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{
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isNull = true;
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return -1;
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}
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break;
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break;
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default: isNull = true; return -1;
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}
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default:
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isNull = true;
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return -1;
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}
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// same algorithm as my_time.c:my_system_gmt_sec
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uint32_t loop;
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time_t tmp_t = 0;
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int shift = 0;
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struct tm *l_time, tm_tmp;
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int64_t diff, my_time_zone = parm[1]->data()->getIntVal(row, isNull);
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// same algorithm as my_time.c:my_system_gmt_sec
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uint32_t loop;
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time_t tmp_t = 0;
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int shift = 0;
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struct tm* l_time, tm_tmp;
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int64_t diff, my_time_zone = parm[1]->data()->getIntVal(row, isNull);
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if ((year == helpers::TIMESTAMP_MAX_YEAR) && (month == 1) && (day > 4))
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{
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day -= 2;
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shift = 2;
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}
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if ((year == helpers::TIMESTAMP_MAX_YEAR) && (month == 1) && (day > 4))
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{
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day -= 2;
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shift = 2;
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}
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tmp_t = (time_t)(((helpers::calc_mysql_daynr(year, month, day) - 719528) * 86400L + (int64_t)hour * 3600L +
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(int64_t)(min * 60 + sec)) -
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(time_t)my_time_zone);
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tmp_t = (time_t)(((helpers::calc_mysql_daynr(year, month, day) -
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719528) * 86400L + (int64_t)hour * 3600L +
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(int64_t)(min * 60 + sec)) - (time_t)my_time_zone);
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localtime_r(&tmp_t, &tm_tmp);
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l_time = &tm_tmp;
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for (loop = 0; loop < 2 && (hour != (uint32_t)l_time->tm_hour || min != (uint32_t)l_time->tm_min ||
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sec != (uint32_t)l_time->tm_sec);
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loop++)
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{
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int days = day - l_time->tm_mday;
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if (days < -1)
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days = 1; /* Month has wrapped */
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else if (days > 1)
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days = -1;
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diff = (3600L * (int64_t)(days * 24 + ((int)hour - (int)l_time->tm_hour)) +
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(int64_t)(60 * ((int)min - (int)l_time->tm_min)) + (int64_t)((int)sec - (int)l_time->tm_sec));
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tmp_t += (time_t)diff;
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localtime_r(&tmp_t, &tm_tmp);
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l_time = &tm_tmp;
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}
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for (loop = 0; loop < 2 && (hour != (uint32_t) l_time->tm_hour || min != (uint32_t) l_time->tm_min ||
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sec != (uint32_t)l_time->tm_sec); loop++)
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{
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int days = day - l_time->tm_mday;
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if (loop == 2 && hour != (uint32_t)l_time->tm_hour)
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{
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int days = day - l_time->tm_mday;
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if (days < -1)
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days = 1; /* Month has wrapped */
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else if (days > 1)
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days = -1;
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if (days < -1)
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days = 1; /* Month has wrapped */
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else if (days > 1)
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days = -1;
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diff = (3600L * (int64_t) (days * 24 + ((int) hour - (int) l_time->tm_hour)) +
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(int64_t) (60 * ((int) min - (int) l_time->tm_min)) +
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(int64_t) ((int) sec - (int) l_time->tm_sec));
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tmp_t += (time_t) diff;
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localtime_r(&tmp_t, &tm_tmp);
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l_time = &tm_tmp;
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}
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diff = (3600L * (int64_t)(days * 24 + ((int)hour - (int)l_time->tm_hour)) +
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(int64_t)(60 * ((int)min - (int)l_time->tm_min)) + (int64_t)((int)sec - (int)l_time->tm_sec));
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if (loop == 2 && hour != (uint32_t)l_time->tm_hour)
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{
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int days = day - l_time->tm_mday;
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if (diff == 3600)
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tmp_t += 3600 - min * 60 - sec; /* Move to next hour */
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else if (diff == -3600)
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tmp_t -= min * 60 + sec; /* Move to previous hour */
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}
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if (days < -1)
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days = 1; /* Month has wrapped */
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else if (days > 1)
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days = -1;
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/* shift back, if we were dealing with boundary dates */
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tmp_t += shift * 86400L;
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diff = (3600L * (int64_t) (days * 24 + ((int) hour - (int) l_time->tm_hour)) +
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(int64_t) (60 * ((int) min - (int) l_time->tm_min)) +
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(int64_t) ((int) sec - (int) l_time->tm_sec));
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/* make sure we have legit timestamps (i.e. we didn't over/underflow anywhere above) */
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if ((tmp_t < helpers::TIMESTAMP_MIN_VALUE) || (tmp_t > helpers::TIMESTAMP_MAX_VALUE))
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tmp_t = 0;
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if (diff == 3600)
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tmp_t += 3600 - min * 60 - sec; /* Move to next hour */
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else if (diff == -3600)
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tmp_t -= min * 60 + sec; /* Move to previous hour */
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}
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/* shift back, if we were dealing with boundary dates */
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tmp_t += shift * 86400L;
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/* make sure we have legit timestamps (i.e. we didn't over/underflow anywhere above) */
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if ((tmp_t < helpers::TIMESTAMP_MIN_VALUE) || (tmp_t > helpers::TIMESTAMP_MAX_VALUE))
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tmp_t = 0;
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return (int64_t)tmp_t;
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return (int64_t)tmp_t;
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}
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string Func_unix_timestamp::getStrVal(rowgroup::Row& row,
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FunctionParm& parm,
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bool& isNull,
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string Func_unix_timestamp::getStrVal(rowgroup::Row& row, FunctionParm& parm, bool& isNull,
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CalpontSystemCatalog::ColType& ct)
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{
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return dataconvert::DataConvert::datetimeToString(getIntVal(row, parm, isNull, ct));
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return dataconvert::DataConvert::datetimeToString(getIntVal(row, parm, isNull, ct));
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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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