1
0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-07-29 08:21:15 +03:00

MCOL 3474 Fix Timediff results after accounting for new test cases

This commit is contained in:
jmrojas2332
2019-12-04 22:48:07 +00:00
parent 16b004dc07
commit c29c41e235
3 changed files with 62 additions and 35 deletions

View File

@ -94,6 +94,14 @@ const string timediff( int64_t time1, int64_t time2, bool isDateTime)
}
}
bool treatIntAsDatetime(const std::string &text)
{
// min used when converting into to datetime is YYYYMMDD
// note: time diffing an int perceived to be in the format YYMMDD is actually treated as HHMMSS. Same functionality as MDB
bool isNeg = text.find("-") == 0;
return (text.length() > 8) || (text.length() >= 8 && !isNeg);
}
CalpontSystemCatalog::ColType Func_timediff::operationType( FunctionParm& fp, CalpontSystemCatalog::ColType& resultType )
{
return resultType;
@ -163,14 +171,10 @@ string Func_timediff::getStrVal(rowgroup::Row& row,
case execplan::CalpontSystemCatalog::TEXT:
text = parm[0]->data()->getStrVal(row, isNull);
if (text.length() >= 14) // datetime has length at least 14
if (text.length() >= 12) // datetime has length at least 12 (YYMMDDHHMMSS), convert others to time
{
val1 = dataconvert::DataConvert::stringToDatetime(text, &isDate1);
}
else if (text.length() == 8 && text.find("-") == string::npos && text.find(":") == string::npos) // special case, this is exactly a date
{
val1 = dataconvert::DataConvert::intToDatetime(parm[0]->data()->getIntVal(row, isNull), &isDate1);
}
else
{
val1 = dataconvert::DataConvert::stringToTime(text);
@ -184,7 +188,7 @@ string Func_timediff::getStrVal(rowgroup::Row& row,
case execplan::CalpontSystemCatalog::TINYINT:
case execplan::CalpontSystemCatalog::SMALLINT:
text = parm[0]->data()->getStrVal(row, isNull);
if (text.length() >= 14) // datetime has length at least 14
if (treatIntAsDatetime(text))
val1 = dataconvert::DataConvert::intToDatetime(parm[0]->data()->getIntVal(row, isNull), &isDate1);
else
{
@ -202,7 +206,7 @@ string Func_timediff::getStrVal(rowgroup::Row& row,
else
{
text = parm[0]->data()->getStrVal(row, isNull);
if (text.length() >= 14) // datetime has length at least 14
if (treatIntAsDatetime(text))
val1 = dataconvert::DataConvert::intToDatetime(parm[0]->data()->getIntVal(row, isNull), &isDate1);
else
{
@ -252,14 +256,10 @@ string Func_timediff::getStrVal(rowgroup::Row& row,
case execplan::CalpontSystemCatalog::CHAR:
case execplan::CalpontSystemCatalog::TEXT:
text = parm[1]->data()->getStrVal(row, isNull);
if (text.length() >= 14) // datetime has length at least 14
if (text.length() >= 12) // datetime has length at least 12 (YYMMDDHHMMSS), convert others to time
{
val2 = dataconvert::DataConvert::stringToDatetime(text, &isDate2);
}
else if (text.length() == 8 && text.find("-") == string::npos && text.find(":") == string::npos) // special case, this is exactly a date
{
val2 = dataconvert::DataConvert::intToDatetime(parm[1]->data()->getIntVal(row, isNull), &isDate2);
}
else
{
val2 = dataconvert::DataConvert::stringToTime(text);
@ -273,7 +273,7 @@ string Func_timediff::getStrVal(rowgroup::Row& row,
case execplan::CalpontSystemCatalog::TINYINT:
case execplan::CalpontSystemCatalog::SMALLINT:
text = parm[1]->data()->getStrVal(row, isNull);
if (text.length() >= 14) // datetime has length at least 14
if (treatIntAsDatetime(text))
val2 = dataconvert::DataConvert::intToDatetime(parm[1]->data()->getIntVal(row, isNull), &isDate2);
else
{
@ -291,7 +291,7 @@ string Func_timediff::getStrVal(rowgroup::Row& row,
else
{
text = parm[1]->data()->getStrVal(row, isNull);
if (text.length() >= 14) // datetime has length at least 14
if (treatIntAsDatetime(text))
val2 = dataconvert::DataConvert::intToDatetime(parm[1]->data()->getIntVal(row, isNull), &isDate2);
else
{
@ -363,7 +363,5 @@ double Func_timediff::getDoubleVal(rowgroup::Row& row,
return atof(getStrVal(row, fp, isNull, op_ct).c_str());
}
} // namespace funcexp
// vim:ts=4 sw=4: