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AK+Everywhere: Remove the null state of DeprecatedString
This commit removes DeprecatedString's "null" state, and replaces all its users with one of the following: - A normal, empty DeprecatedString - Optional<DeprecatedString> Note that null states of DeprecatedFlyString/StringView/etc are *not* affected by this commit. However, DeprecatedString::empty() is now considered equal to a null StringView.
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189 changed files with 597 additions and 652 deletions
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@ -186,8 +186,8 @@ public:
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ResultType type() const { return m_type; }
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bool select_from_table() const { return !m_table_name.is_null(); }
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DeprecatedString const& table_name() const { return m_table_name; }
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bool select_from_table() const { return m_table_name.has_value(); }
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Optional<DeprecatedString> const& table_name() const { return m_table_name; }
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bool select_from_expression() const { return !m_expression.is_null(); }
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RefPtr<Expression> const& expression() const { return m_expression; }
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@ -196,7 +196,7 @@ public:
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private:
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ResultType m_type { ResultType::All };
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DeprecatedString m_table_name {};
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Optional<DeprecatedString> m_table_name {};
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RefPtr<Expression> m_expression {};
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DeprecatedString m_column_alias {};
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