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#pragma once
#include <Columns/ColumnsNumber.h>
namespace DB
{
/// Prepared key columns for set which can be added to fill set elements.
/// Used only to upgrade set from tuple.
struct SetKeyColumns
{
/// The constant columns to the right of IN are not supported directly. For this, they first materialize.
ColumnRawPtrs key_columns;
Columns materialized_columns;
ColumnPtr null_map_holder;
ColumnUInt8::MutablePtr filter;
};
}
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