#pragma once #include #include #include namespace DB { /** Query specifying table name and, possibly, the database and the FORMAT section. */ class ASTQueryWithTableAndOutput : public ASTQueryWithOutput { public: ASTPtr database; ASTPtr table; UUID uuid = UUIDHelpers::Nil; bool temporary{false}; String getDatabase() const; String getTable() const; // Once database or table are set they cannot be assigned with empty value void setDatabase(const String & name); void setTable(const String & name); void cloneTableOptions(ASTQueryWithTableAndOutput & cloned) const; protected: void formatHelper(const FormatSettings & settings, const char * name) const; }; template class ASTQueryWithTableAndOutputImpl : public ASTQueryWithTableAndOutput { public: String getID(char delim) const override { return AstIDAndQueryNames::ID + (delim + getDatabase()) + delim + getTable(); } ASTPtr clone() const override { auto res = std::make_shared>(*this); res->children.clear(); cloneOutputOptions(*res); cloneTableOptions(*res); return res; } QueryKind getQueryKind() const override { return QueryKind::Show; } protected: void formatQueryImpl(const FormatSettings & settings, FormatState &, FormatStateStacked) const override { formatHelper(settings, temporary ? AstIDAndQueryNames::QueryTemporary : AstIDAndQueryNames::Query); } }; }