22#include "storage/field/field.h"
39 StmtType type()
const override
41 return StmtType::SELECT;
48 const std::vector<Table *> &tables()
const
52 const std::vector<Field> &query_fields()
const
62 std::vector<Field> query_fields_;
63 std::vector<Table *> tables_;
一个DB实例负责管理一批表
Definition: db.h:34
Filter/谓词/过滤语句
Definition: filter_stmt.h:92
表示select语句
Definition: select_stmt.h:34
Stmt for Statement
Definition: stmt.h:78
描述一个select语句
Definition: parse_defs.h:91