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mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-08-07 03:22:57 +03:00

MCOL-1822 add LONG DOUBLE support

This commit is contained in:
David Hall
2019-01-29 09:55:43 -06:00
parent ee2cb7b0de
commit c5b9ae11e5
40 changed files with 746 additions and 38 deletions

View File

@@ -1173,6 +1173,20 @@ int ha_calpont_impl_write_batch_row_(uchar* buf, TABLE* table, cal_impl_if::cal_
break;
}
case CalpontSystemCatalog::LONGDOUBLE:
{
if (nullVal && (ci.columnTypes[colpos].constraintType != CalpontSystemCatalog::NOTNULL_CONSTRAINT))
fprintf(ci.filePtr, "%c", ci.delimiter);
else
{
fprintf(ci.filePtr, "%.15Lg%c", *((long double*)buf), ci.delimiter);
//printf("%.15g|", *((double*)buf));
}
buf += 8;
break;
}
case CalpontSystemCatalog::DECIMAL:
case CalpontSystemCatalog::UDECIMAL:
{

View File

@@ -4499,7 +4499,11 @@ ReturnedColumn* buildAggregateColumn(Item* item, gp_walk_info& gwi)
isp->sum_func() == Item_sum::AVG_DISTINCT_FUNC)
{
CalpontSystemCatalog::ColType ct = parm->resultType();
ct.colDataType = CalpontSystemCatalog::LONGDOUBLE;
ct.scale += 4;
// ct.colWidth = 8;
#if 0
switch (ct.colDataType)
{
case CalpontSystemCatalog::TINYINT:
@@ -4514,13 +4518,9 @@ ReturnedColumn* buildAggregateColumn(Item* item, gp_walk_info& gwi)
case CalpontSystemCatalog::UMEDINT:
case CalpontSystemCatalog::UINT:
case CalpontSystemCatalog::UBIGINT:
ct.colDataType = CalpontSystemCatalog::DECIMAL;
ct.colWidth = 8;
ct.scale += 4;
break;
#if PROMOTE_FLOAT_TO_DOUBLE_ON_SUM
case CalpontSystemCatalog::FLOAT:
case CalpontSystemCatalog::UFLOAT:
case CalpontSystemCatalog::DOUBLE:
@@ -4528,12 +4528,11 @@ ReturnedColumn* buildAggregateColumn(Item* item, gp_walk_info& gwi)
ct.colDataType = CalpontSystemCatalog::DOUBLE;
ct.colWidth = 8;
break;
#endif
default:
break;
}
#endif
ac->resultType(ct);
}
else if (isp->sum_func() == Item_sum::COUNT_FUNC ||
@@ -4549,7 +4548,9 @@ ReturnedColumn* buildAggregateColumn(Item* item, gp_walk_info& gwi)
isp->sum_func() == Item_sum::SUM_DISTINCT_FUNC)
{
CalpontSystemCatalog::ColType ct = parm->resultType();
ct.colDataType = CalpontSystemCatalog::LONGDOUBLE;
ct.scale += 4;
#if 0
switch (ct.colDataType)
{
case CalpontSystemCatalog::TINYINT:
@@ -4589,7 +4590,7 @@ ReturnedColumn* buildAggregateColumn(Item* item, gp_walk_info& gwi)
default:
break;
}
#endif
ac->resultType(ct);
}
else if (isp->sum_func() == Item_sum::STD_FUNC ||

View File

@@ -703,6 +703,41 @@ int fetchNextRow(uchar* buf, cal_table_info& ti, cal_connection_info* ci, bool h
//break;
}
case CalpontSystemCatalog::LONGDOUBLE:
{
double dl = row.getLongDoubleField(s);
if (dl == std::numeric_limits<long double>::infinity())
continue;
Field_double* f2 = (Field_double*)*f;
// bug 3483, reserve enough space for the longest double value
// -1.7976931348623157E+308 to -2.2250738585072014E-308, 0, and
// 2.2250738585072014E-308 to 1.7976931348623157E+308.
(*f)->field_length = 310;
//double double_val = *(double*)(&value);
//f2->store(double_val);
if ((f2->decimals() == DECIMAL_NOT_SPECIFIED && row.getScale(s) > 0)
|| f2->decimals() < row.getScale(s))
{
f2->dec = row.getScale(s);
}
f2->store(dl);
if ((*f)->null_ptr)
*(*f)->null_ptr &= ~(*f)->null_bit;
break;
//int64_t* icvp = (int64_t*)&dl;
//intColVal = *icvp;
//storeNumericField(f, intColVal, colType);
//break;
}
case CalpontSystemCatalog::DECIMAL:
case CalpontSystemCatalog::UDECIMAL:
{

View File

@@ -190,6 +190,9 @@ string name(CalpontSystemCatalog::ColType& ct)
case CalpontSystemCatalog::UDOUBLE:
return "UDOUBLE";
case CalpontSystemCatalog::LONGDOUBLE:
return "LONGDOUBLE";
default:
return "Unknown Type";
}