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Description
implement parser for database.
| data in format | data out format |
|---|---|
| regular string | not (yet) crypted text file |
| db command | db action |
" cr 'db1' " |
creates file db1.txt |
" dl 'db1' " |
removes file db1.txt |
" run 'db1' " |
uses db1.txt as current db |
| table command | table action |
" cr tab 'tab1' " |
creates table |
" rd tab 'tab1' " |
reads table |
" up tab 'tab1' " |
updates table |
" dl tab 'tab1' " |
removes table |
| row command | row action |
" cr row 'row1' " |
creates row |
" rd row 'row1' " |
reads row |
" up row 'row1' " |
updates row |
" dl row 'row1' " |
removes row |
| column command | column action |
" cr row 'row1', 'hello' " |
1 hello |
" rd row 'row1', 1" |
hello |
" up row 'row1', 'hello', 'bye' " |
2 bye |
" dl row 'row1', 'bye' " |
empty file |
in directory src/queries implement parser for database queries, use CRUD pattern (create, read, update, delete). in general, the goal is to implement first working version of parser.
the commands ain't perfect so they can be implemented differently. for example queries can look like SQL's INSERT, UPDATE, DELETE, CREATE etc.
also, don't forget to use doc comments for building nice documentation later (however, if u want I can do that)
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