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Merged
hskl18 merged 1 commit into from
Nov 5, 2026
Merged

Note the project's history and remove leftover TODOs #4

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4 changes: 3 additions & 1 deletion README.md
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Expand Up @@ -3,6 +3,9 @@
SQL in C++ 2.0 is an educational relational database engine and command-line DSL implemented from first principles.
It parses a focused subset of SQL, persists records in checksummed pages, maintains persistent B+ tree indexes, recovers atomic single-writer statements through a WAL, and evaluates compound filters with a shunting-yard pipeline.

I wrote the first version in 2023 while learning C++ and rebuilt the storage engine in 2026.
The [`original-2023`](https://github.com/hskl18/SQL/tree/original-2023) tag keeps the first version.

![Command-line preview](image/preview.png)

## What it supports
Expand Down Expand Up @@ -36,7 +39,6 @@ Values are stored and ordered as strings, so numeric-looking values use lexical
| `includes/sql` | Coordinates parsing and table operations through the public `SQL` interface. |

Storage invariants, query semantics, and deliberate limits are documented in [DESIGN.md](DESIGN.md).
The canonical repository is [hskl18/SQL](https://github.com/hskl18/SQL).

## Build

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15 changes: 0 additions & 15 deletions docs/release-checklist-v2.md
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This file was deleted.

2 changes: 0 additions & 2 deletions includes/linked_list/linked_list_functions/linked_list_functions.h
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Expand Up @@ -64,8 +64,6 @@ node<T>* _last_node(node<T>* head);

// Definition

// TODO

// Linked List General Functions:
template <typename T>
void _print_list(node<T>* head)
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1 change: 0 additions & 1 deletion includes/linked_list/node/node.h
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Expand Up @@ -20,7 +20,6 @@ struct node{

// Definition

// TODO
template <typename T>
node<T>::node(const T& item, node<T>* next){
this->_item = item;
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2 changes: 0 additions & 2 deletions includes/linked_list/queue/MyQueue.h
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Expand Up @@ -119,8 +119,6 @@ class Queue{

// Definition

// TODO

template <typename T>
Queue<T>::Queue(){
this->_front = nullptr;
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2 changes: 0 additions & 2 deletions includes/linked_list/stack/MyStack.h
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Expand Up @@ -96,8 +96,6 @@ class Stack{

// Definition

// TODO

template <typename T>
Stack<T>::Stack(){
this->_size = 0;
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2 changes: 0 additions & 2 deletions includes/map/bplustree.h
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Expand Up @@ -622,6 +622,4 @@ bool BPlusTree<Item>::is_valid() const
return true;
}

// TODO

#endif // BPLUSTREE_H
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