#pragma once #include namespace DB { /** Cases: * * Normal case: * INSERT INTO [db.]table (c1, c2, c3) VALUES (v11, v12, v13), (v21, v22, v23), ... * INSERT INTO [db.]table VALUES (v11, v12, v13), (v21, v22, v23), ... * * Insert of data in an arbitrary format. * The data itself comes after LF(line feed), if it exists, or after all the whitespace characters, otherwise. * INSERT INTO [db.]table (c1, c2, c3) FORMAT format \n ... * INSERT INTO [db.]table FORMAT format \n ... * * Insert the result of the SELECT or WATCH query. * INSERT INTO [db.]table (c1, c2, c3) SELECT | WATCH ... * INSERT INTO [db.]table SELECT | WATCH ... */ class ParserInsertQuery : public IParserBase { private: const char * end; const char * getName() const override { return "INSERT query"; } bool parseImpl(Pos & pos, ASTPtr & node, Expected & expected) override; public: ParserInsertQuery(const char * end_) : end(end_) {} }; /** Insert accepts an identifier and an asterisk with variants. */ class ParserInsertElement : public IParserBase { protected: const char * getName() const override { return "insert element"; } bool parseImpl(Pos & pos, ASTPtr & node, Expected & expected) override; }; }