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Convert sparse columns to full in materialize()

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This commit is contained in:
Alexander Gololobov 2024-09-10 14:18:37 +02:00
parent 41aaf07537
commit a01229bba2
1 changed files with 10 additions and 7 deletions
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17
src/Functions/materialize.h
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@ -2,7 +2,7 @@
#include <Functions/IFunction.h>
#include <Functions/FunctionFactory.h>
#include <Columns/ColumnLowCardinality.h>
#include <DataTypes/DataTypeLowCardinality.h>
#include <Columns/ColumnSparse.h>
namespace DB
{
@ -18,11 +18,6 @@ public:
return std::make_shared<FunctionMaterialize>();
}
bool useDefaultImplementationForNulls() const override
{
return false;
}
/// Get the function name.
String getName() const override
{
@ -34,8 +29,16 @@ public:
return true;
}
bool useDefaultImplementationForNulls() const override { return false; }
bool useDefaultImplementationForNothing() const override { return false; }
bool useDefaultImplementationForConstants() const override { return false; }
bool useDefaultImplementationForLowCardinalityColumns() const override { return false; }
bool useDefaultImplementationForSparseColumns() const override { return false; }
bool isSuitableForConstantFolding() const override { return false; }
bool isSuitableForShortCircuitArgumentsExecution(const DataTypesWithConstInfo & /*arguments*/) const override { return false; }
@ -52,7 +55,7 @@ public:
ColumnPtr executeImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr &, size_t /*input_rows_count*/) const override
{
return arguments[0].column->convertToFullColumnIfConst();
return recursiveRemoveSparse(arguments[0].column->convertToFullColumnIfConst());
}
bool hasInformationAboutMonotonicity() const override { return true; }