[fix](olap)Crashing caused by IS NULL expression (#17463)

Issue Number: close #17462

be/src/vec/columns/column.h

@@ -587,6 +587,8 @@ public:
     /// It's a special kind of column, that contain single value, but is not a ColumnConst.
     virtual bool is_dummy() const { return false; }
 
+    virtual bool is_exclusive() const { return use_count() == 1; }
+
     /// Clear data of column, just like vector clear
     virtual void clear() {}
 

be/src/vec/columns/column_nullable.h

@@ -225,6 +225,11 @@ public:
     bool is_column_array() const override { return get_nested_column().is_column_array(); }
     bool is_fixed_and_contiguous() const override { return false; }
     bool values_have_fixed_size() const override { return nested_column->values_have_fixed_size(); }
+
+    bool is_exclusive() const override {
+        return IColumn::is_exclusive() && nested_column->is_exclusive() && null_map->is_exclusive();
+    }
+
     size_t size_of_value_if_fixed() const override {
         return null_map->size_of_value_if_fixed() + nested_column->size_of_value_if_fixed();
     }

be/src/vec/core/block.cpp

@@ -668,7 +668,7 @@ void Block::filter_block_internal(Block* block, const std::vector<uint32_t>& col
         for (auto& col : columns_to_filter) {
             auto& column = block->get_by_position(col).column;
             if (column->size() != count) {
-                if (column->use_count() == 1) {
+                if (column->is_exclusive()) {
                     const auto result_size = column->assume_mutable()->filter(filter);
                     CHECK_EQ(result_size, count);
                 } else {