Complete documentation for all 44 database handlers with centralized performance considerations

src/engine/documentation/Handler Specific Documentation/dbRuneBaseAttributeHandler_Documentation.md

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+# Rune Base Attribute Handler Documentation
+
+## Overview
+This document describes the database relationships and interactions for the `dbRuneBaseAttributeHandler` class. The rune base attribute handler manages the fundamental attributes and properties of rune base items in the Magicbane emulator system.
+
+## Handler Class
+**File:** `src/engine/db/handlers/dbRuneBaseAttributeHandler.java`
+**Class:** `dbRuneBaseAttributeHandler`
+**Extends:** `dbHandlerBase`
+
+## Database Tables
+
+### Main Table(s)
+- **Table Name:** `obj_runebaseattribute`
+- **Description:** Core rune base attribute information including name, description, and property values
+- **Columns:** 
+  - UID (Primary Key)
+  - name
+  - description
+  - attributeType
+  - minValue
+  - maxValue
+  - defaultValue
+  - isStackable
+
+### Related Tables
+
+| Table Name | Description | Relationship |
+|------------|-------------|--------------|
+| `obj_rune_baseattribute` | Links rune base items to their attributes | RuneBaseID → obj_runebase.UID, AttributeID → obj_runebaseattribute.UID |
+| `static_rune_attribute_type` | Static definitions of attribute types | AttributeTypeID → obj_runebaseattribute.UID |
+
+## Key Queries
+
+### Get Rune Base Attribute by ID
+```sql
+SELECT * FROM `obj_runebaseattribute` WHERE `UID`=?
+```
+**File:** `dbRuneBaseAttributeHandler.java`, Line ~60
+
+### Get Attributes for Rune Base
+```sql
+SELECT rba.*, rbaa.attributeValue 
+FROM `obj_runebaseattribute` rba 
+INNER JOIN `obj_rune_baseattribute` rbaa ON rba.`UID` = rbaa.`AttributeID` 
+WHERE rbaa.`RuneBaseID`=?
+```
+**File:** `dbRuneBaseAttributeHandler.java`, Line ~85
+
+### Get Attribute by Type
+```sql
+SELECT * FROM `obj_runebaseattribute` WHERE `attributeType`=?
+```
+**File:** `dbRuneBaseAttributeHandler.java`, Line ~120
+
+## Relationships
+
+1. **Rune Base Attribute to Rune Base:** Many-to-many through `obj_rune_baseattribute` table
+2. **Rune Base Attribute to Static Types:** One-to-many (via `static_rune_attribute_type.AttributeTypeID`)
+3. **Attribute to Property Values:** Defines the range and default values for each attribute
+
+## Java Field to Database Column Mappings
+
+| Java Field | Database Column | Notes |
+|------------|-----------------|-------|
+| `name` | `obj_runebaseattribute.name` | Attribute name |
+| `description` | `obj_runebaseattribute.description` | Description of the attribute |
+| `attributeType` | `obj_runebaseattribute.attributeType` | Type of attribute (stat, effect, etc.) |
+| `minValue` | `obj_runebaseattribute.minValue` | Minimum value allowed |
+| `maxValue` | `obj_runebaseattribute.maxValue` | Maximum value allowed |
+| `defaultValue` | `obj_runebaseattribute.defaultValue` | Default value for the attribute |
+| `isStackable` | `obj_runebaseattribute.isStackable` | Whether the attribute can stack |
+
+## Notes
+- Rune base attributes define the core properties of rune items
+- Attributes can be applied to different rune base types
+- The system supports both fixed and variable attribute values