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MCOL-330 Fix datetime to int conversion

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Datetime has internal int value which is very different to MySQL's int
value. This patch differentiates between the two and also fixes a column
width issue which appeared once the datetime handling was fixed.
This commit is contained in:
Andrew Hutchings
2016-09-29 17:27:52 +01:00
parent 92ec84b5ae
commit 52c0f79fcf
4 changed files with 17 additions and 9 deletions
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11
dbcon/mysql/ha_calpont_impl.cpp
View File

@ -448,6 +448,17 @@ int fetchNextRow(uchar *buf, cal_table_info& ti, cal_connection_info* ci)
*(*f)->null_ptr &= ~(*f)->null_bit;
intColVal = row.getUintField<8>(s);
DataConvert::datetimeToString(intColVal, tmp, 255);
/* setting the field_length is a sort-of hack. The length
* at this point can be long enough to include mseconds.
* ColumnStore doesn't fully support mseconds yet so if
* they are requested, trim them off.
* At a later date we should set this more intelligently
* based on the result set.
*/
if ((*f)->field_length > 19)
(*f)->field_length = strlen(tmp);
Field_varstring* f2 = (Field_varstring*)*f;
f2->store(tmp, strlen(tmp), f2->charset());
break;

2
utils/funcexp/func_date_format.cpp
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@ -227,7 +227,7 @@ string Func_date_format::getStrVal(rowgroup::Row& row,
dt.day = (uint32_t)((val >> 6) & 0x3f);
break;
case CalpontSystemCatalog::DATETIME:
val = parm[0]->data()->getIntVal(row, isNull);
val = parm[0]->data()->getDatetimeIntVal(row, isNull);
dt.year = (uint32_t)((val >> 48) & 0xffff);
dt.month = (uint32_t)((val >> 44) & 0xf);
dt.day = (uint32_t)((val >> 38) & 0x3f);

7
utils/funcexp/func_from_unixtime.cpp
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@ -61,7 +61,7 @@ DateTime getDateTime(rowgroup::Row& row,
break;
}
default:
val = parm[0]->data()->getIntVal(row, isNull);
val = parm[0]->data()->getDatetimeIntVal(row, isNull);
}
if (val < 0 || val > helpers::TIMESTAMP_MAX_VALUE)
@ -146,7 +146,6 @@ int64_t Func_from_unixtime::getIntVal(rowgroup::Row& row,
bool& isNull,
CalpontSystemCatalog::ColType& ct)
{
#if 0
DateTime dt = getDateTime(row, parm, isNull);
if (*reinterpret_cast<int64_t*>(&dt) == 0)
{
@ -154,12 +153,10 @@ int64_t Func_from_unixtime::getIntVal(rowgroup::Row& row,
return 0;
}
char buf[32]; // actual string guaranteed to be 22
snprintf( buf, 32, "%04d%02d%02d%02d%02d%02",
snprintf( buf, 32, "%04d%02d%02d%02d%02d%02d",
dt.year, dt.month, dt.day, dt.hour,
dt.minute, dt.second );
return atoll(buf);
#endif
return getDatetimeIntVal(row, parm, isNull, ct);
}
double Func_from_unixtime::getDoubleVal(rowgroup::Row& row,

2
utils/funcexp/funcexp.cpp
View File

@ -257,7 +257,7 @@ void FuncExp::evaluate(rowgroup::Row& row, std::vector<execplan::SRCP>& expressi
}
case CalpontSystemCatalog::DATETIME:
{
int64_t val = expression[i]->getIntVal(row, isNull);
int64_t val = expression[i]->getDatetimeIntVal(row, isNull);
if (isNull)
row.setUintField<8>(DATETIMENULL, expression[i]->outputIndex());
else