cyx233 / mydb

relational database - course project

dbtrain-lab

Summary

1. executable:

   • clear.cc: clear all databases
   • init.cc: init a database
   • shell.cc: a simple SQL shell

2. src: source code

3. third_party: antlr4 for parser

Modules

0. minios, system, backend, excetable, parser

   • The runtime environment.
   • Provided by the teacher.

1. exception

2. utils

   • Bitmap and PrintTable

3. page

   • API for MiniOS's memory page.
   • config in macros.h
   • Important API
     • Page::SetData, Page::GetData, Page::SetHeader, Page::GetHeader
     • LinkedPage::PushBack, LinkedPage::PopBack
     • RecordPage

4. field

   • type [ Int, Float, String ]

5. record

   • FixedRecord and VariableRecord

6. condition

   • conditional search

7. table

   • Important API
     • Table::GetRecord
     • Table::InsertRecord
     • Table::DeleteRecord
     • Table::UpdateRecord
     • Table::SearchRecord
     • Table::NextNotFull

8. manager

   • TableManager, IndexManager and TransactionManager

9. result

   • connect parser module and database kernel