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41
enum Type type() const { return DEFAULT_VALUE_ITEM; }
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42
bool eq(const Item *item, bool binary_cmp) const;
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43
bool fix_fields(Session *, Item **);
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45
int save_in_field(Field *field_arg, bool no_conversions);
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46
table_map used_tables() const { return (table_map)0L; }