database/mariadb-columnstore-engine
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Prefer to use floating point instead of decimal to match server behaviour.

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This commit is contained in:
Aleksei Antipovskii
2025-09-02 02:40:52 +02:00
committed by Leonid Fedorov
parent 378f964cca
commit da3cc95077
1 changed files with 6 additions and 27 deletions
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33
utils/dataconvert/dataconvert.cpp
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@@ -2949,7 +2949,7 @@ void DataConvert::joinColTypeForUnion(datatypes::SystemCatalog::TypeHolderStd& u
case datatypes::SystemCatalog::UINT:
case datatypes::SystemCatalog::UBIGINT:
case datatypes::SystemCatalog::UDECIMAL:
{
if (type.scale != 0 && (unionedType.scale != 0 || isDecimal(unionedType.colDataType)))
{
const unsigned int digitsBeforeDecimal = type.precision - type.scale;
@@ -3012,7 +3012,7 @@ void DataConvert::joinColTypeForUnion(datatypes::SystemCatalog::TypeHolderStd& u
}
break;
}
case datatypes::SystemCatalog::DATE:
unionedType.colDataType = datatypes::SystemCatalog::CHAR;
unionedType.colWidth = 20;
@@ -3042,10 +3042,6 @@ void DataConvert::joinColTypeForUnion(datatypes::SystemCatalog::TypeHolderStd& u
case datatypes::SystemCatalog::UFLOAT:
case datatypes::SystemCatalog::UDOUBLE:
case datatypes::SystemCatalog::LONGDOUBLE:
if (datatypes::isWideDecimalType(type.colDataType, type.colWidth))
unionedType = type;
break;
default: break;
}
@@ -3249,21 +3245,13 @@ void DataConvert::joinColTypeForUnion(datatypes::SystemCatalog::TypeHolderStd& u
case datatypes::SystemCatalog::UBIGINT:
case datatypes::SystemCatalog::UFLOAT:
case datatypes::SystemCatalog::UDOUBLE:
case datatypes::SystemCatalog::DECIMAL:
case datatypes::SystemCatalog::UDECIMAL:
unionedType.colDataType = datatypes::SystemCatalog::DOUBLE;
unionedType.scale = 0;
unionedType.colWidth = sizeof(double);
break;
case datatypes::SystemCatalog::DECIMAL:
case datatypes::SystemCatalog::UDECIMAL:
if (unionedType.colWidth != datatypes::MAXDECIMALWIDTH)
{
unionedType.colDataType = datatypes::SystemCatalog::DOUBLE;
unionedType.scale = 0;
unionedType.colWidth = sizeof(double);
}
break;
default: break;
}
@@ -3313,23 +3301,14 @@ void DataConvert::joinColTypeForUnion(datatypes::SystemCatalog::TypeHolderStd& u
case datatypes::SystemCatalog::UFLOAT:
case datatypes::SystemCatalog::UDOUBLE:
case datatypes::SystemCatalog::LONGDOUBLE:
case datatypes::SystemCatalog::DECIMAL:
case datatypes::SystemCatalog::UDECIMAL:
unionedType.colDataType = datatypes::SystemCatalog::LONGDOUBLE;
unionedType.scale = (type.scale > unionedType.scale) ? type.scale : unionedType.scale;
unionedType.colWidth = sizeof(long double);
unionedType.precision = -1;
break;
case datatypes::SystemCatalog::DECIMAL:
case datatypes::SystemCatalog::UDECIMAL:
if (unionedType.colWidth != datatypes::MAXDECIMALWIDTH)
{
unionedType.colDataType = datatypes::SystemCatalog::LONGDOUBLE;
unionedType.scale = (type.scale > unionedType.scale) ? type.scale : unionedType.scale;
unionedType.colWidth = sizeof(long double);
unionedType.precision = -1;
}
break;
default: break;
}