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add type check

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This commit is contained in:
Nikita Taranov 2024-06-25 19:42:58 +01:00
parent 93d0f7a485
commit dd1b85e63d
1 changed files with 24 additions and 8 deletions
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32
src/Columns/IColumn.h
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@ -1,11 +1,11 @@
#pragma once
#include <Common/COW.h>
#include <Common/PODArray_fwd.h>
#include <Common/Exception.h>
#include <Common/typeid_cast.h>
#include <base/StringRef.h>
#include <Core/TypeId.h>
#include <base/StringRef.h>
#include <Common/COW.h>
#include <Common/Exception.h>
#include <Common/PODArray_fwd.h>
#include <Common/typeid_cast.h>
#include "config.h"
@ -180,14 +180,26 @@ public:
/// Appends n-th element from other column with the same type.
/// Is used in merge-sort and merges. It could be implemented in inherited classes more optimally than default implementation.
void insertFrom(const IColumn & src, size_t n) { doInsertFrom(src, n); }
void insertFrom(const IColumn & src, size_t n)
{
assertTypeEquality(src);
doInsertFrom(src, n);
}
/// Appends range of elements from other column with the same type.
/// Could be used to concatenate columns.
void insertRangeFrom(const IColumn & src, size_t start, size_t length) { doInsertRangeFrom(src, start, length); }
void insertRangeFrom(const IColumn & src, size_t start, size_t length)
{
assertTypeEquality(src);
doInsertRangeFrom(src, start, length);
}
/// Appends one element from other column with the same type multiple times.
void insertManyFrom(const IColumn & src, size_t position, size_t length) { doInsertManyFrom(src, position, length); }
void insertManyFrom(const IColumn & src, size_t position, size_t length)
{
assertTypeEquality(src);
doInsertManyFrom(src, position, length);
}
/// Appends one field multiple times. Can be optimized in inherited classes.
virtual void insertMany(const Field & field, size_t length)
@ -320,6 +332,7 @@ public:
*/
[[nodiscard]] int compareAt(size_t n, size_t m, const IColumn & rhs, int nan_direction_hint) const
{
assertTypeEquality(rhs);
return doCompareAt(n, m, rhs, nan_direction_hint);
}
@ -644,6 +657,9 @@ protected:
}
virtual int doCompareAt(size_t n, size_t m, const IColumn & rhs, int nan_direction_hint) const = 0;
private:
void assertTypeEquality(const IColumn & rhs) const { chassert(typeid(*this) == typeid(rhs)); }
};
using ColumnPtr = IColumn::Ptr;