# Character Rune Handler Documentation

## Overview
This document describes the database relationships and interactions for the `dbCharacterRuneHandler` class. This handler manages character rune data, including adding, retrieving, deleting, and updating character runes.

## Handler Class
**File:** `src/engine/db/handlers/dbCharacterRuneHandler.java`
**Class:** `dbCharacterRuneHandler`
**Extends:** `dbHandlerBase`

## Database Tables

### Main Table
- **Table Name:** `dyn_character_rune`
- **Description:** Stores dynamic rune information for characters including character ID and rune base ID
- **Columns:** 
  - UID (Primary Key)
  - CharacterID
  - RuneBaseID

## Key Queries

### Add Character Rune
```sql
INSERT INTO `dyn_character_rune` (`CharacterID`, `RuneBaseID`) VALUES (?, ?);
```
**File:** `dbCharacterRuneHandler.java`, Line ~20

### Get Character Rune by ID
```sql
SELECT * FROM `dyn_character_rune` WHERE `UID`=?
```
**File:** `dbCharacterRuneHandler.java`, Line ~43

### Delete Character Rune
```sql
DELETE FROM `dyn_character_rune` WHERE `UID`=?;
```
**File:** `dbCharacterRuneHandler.java`, Line ~61

### Get All Runes for Character
```sql
SELECT * FROM `dyn_character_rune` WHERE `CharacterID` = ?
```
**File:** `dbCharacterRuneHandler.java`, Line ~74

### Update Database
```sql
UPDATE `dyn_character_rune` SET `CharacterID`=?, `RuneBaseID`=? WHERE `UID` = ?
```
**File:** `dbCharacterRuneHandler.java`, Line ~91

## Relationships

1. **Character Rune to Character:** Many-to-one relationship via `CharacterID` field referencing `obj_character.UID`
2. **Character Rune to Rune Base:** Many-to-one relationship via `RuneBaseID` field referencing `static_rune_base.ID`

## Java Field to Database Column Mappings

| Java Field | Database Column | Notes |
|------------|-----------------|-------|
| `playerID` | `dyn_character_rune.CharacterID` | Reference to character |
| `runeBaseID` | `dyn_character_rune.RuneBaseID` | Reference to rune base |