TIMESCALEDB_PRD.md•18.6 kB
# TimescaleDB Integration: Product Requirements Document
## 1. Overview
This document outlines the requirements for integrating TimescaleDB into the DB-MCP-Server. TimescaleDB is a PostgreSQL extension designed for time-series data that provides enhanced performance, scalability, and features specifically optimized for time-based workloads.
### 1.1 Purpose
The TimescaleDB integration aims to:
- Support applications that work with time-series data
- Provide optimized query performance for temporal operations
- Enable advanced time-series analytics capabilities
- Offer a seamless experience within the existing database connection framework
### 1.2 Target Users
- Developers working on applications with time-series data requirements
- Data analysts and scientists who need to perform time-based analytics
- DevOps teams responsible for database scaling and performance optimization
## 2. System Architecture (C4 Models)
### 2.1 Context Diagram
```
┌─────────────────┐ ┌────────────────┐ ┌───────────────────┐
│ │ │ │ │ │
│ User Code/App │─────▶│ DB-MCP-Server │─────▶│ TimescaleDB │
│ │ │ │ │ │
└─────────────────┘ └────────────────┘ └───────────────────┘
│ │ │
│ │ │
▼ ▼ ▼
┌─────────────────┐ ┌────────────────┐ ┌───────────────────┐
│ Query Builder │ │ Query Tools │ │ PostgreSQL APIs │
└─────────────────┘ └────────────────┘ └───────────────────┘
```
### 2.2 Container Diagram
```
┌──────────────────────────────────────────────────────────────────┐
│ │
│ DB-MCP-Server │
│ │
│ ┌────────────────┐ ┌────────────────┐ ┌────────────────┐ │
│ │ │ │ │ │ │ │
│ │ API Service │───▶│ DB Connectors │───▶│TimescaleDB │ │
│ │ │ │ │ │Connector │ │
│ └────────────────┘ └────────────────┘ └────────────────┘ │
│ │ │ │ │
│ ▼ ▼ ▼ │
│ ┌────────────────┐ ┌────────────────┐ ┌────────────────┐ │
│ │ │ │ │ │ │ │
│ │ Tool Registry │───▶│PostgreSQL Tools│───▶│TimescaleDB │ │
│ │ │ │ │ │Tools │ │
│ └────────────────┘ └────────────────┘ └────────────────┘ │
│ │
└──────────────────────────────────────────────────────────────────┘
│
▼
┌──────────────────────────────────────────────────────────────────┐
│ │
│ TimescaleDB │
│ │
│ ┌────────────────┐ ┌────────────────┐ ┌────────────────┐ │
│ │ │ │ │ │ │ │
│ │ PostgreSQL │ │ Time-Series │ │ Hypertable │ │
│ │ Core │───▶│ Extension │───▶│ Management │ │
│ │ │ │ │ │ │ │
│ └────────────────┘ └────────────────┘ └────────────────┘ │
│ │ │
│ ▼ │
│ ┌────────────────┐ ┌────────────────┐ ┌────────────────┐ │
│ │ │ │ │ │ │ │
│ │ Compression │ │ Continuous │ │ Time-Series │ │
│ │ Engine │◀───│ Aggregates │◀───│ Analytics │ │
│ │ │ │ │ │ │ │
│ └────────────────┘ └────────────────┘ └────────────────┘ │
│ │
└──────────────────────────────────────────────────────────────────┘
```
### 2.3 Component Diagram
```
┌────────────────────────────────────────────────────────────────────────┐
│ │
│ TimescaleDB Integration Components │
│ │
│ ┌──────────────────┐ ┌───────────────────┐ ┌──────────────────┐ │
│ │ │ │ │ │ │ │
│ │ Connection │───▶│ Query Builder │───▶│ Result Parser │ │
│ │ Manager │ │ │ │ │ │
│ │ │ │ │ │ │ │
│ └──────────────────┘ └───────────────────┘ └──────────────────┘ │
│ │ │ │ │
│ │ │ │ │
│ ▼ ▼ ▼ │
│ ┌──────────────────┐ ┌───────────────────┐ ┌──────────────────┐ │
│ │ │ │ │ │ │ │
│ │ Hypertable │ │ Time-Series │ │ Data Export │ │
│ │ Manager │◀───│ Functions │◀───│ Tools │ │
│ │ │ │ │ │ │ │
│ └──────────────────┘ └───────────────────┘ └──────────────────┘ │
│ │ │ │ │
│ │ │ │ │
│ ▼ ▼ ▼ │
│ ┌──────────────────┐ ┌───────────────────┐ ┌──────────────────┐ │
│ │ │ │ │ │ │ │
│ │ Policy │ │ Compression │ │ Monitoring │ │
│ │ Manager │───▶│ Manager │───▶│ Tools │ │
│ │ │ │ │ │ │ │
│ └──────────────────┘ └───────────────────┘ └──────────────────┘ │
│ │
└────────────────────────────────────────────────────────────────────────┘
```
### 2.4 Code-Level Diagram
```
┌────────────────────────────────────────┐
│ pkg/db/timescale/connection.go │
├────────────────────────────────────────┤
│ │
│ type TimescaleDBConfig struct { │
│ PostgresConfig │
│ ChunkTimeInterval string │
│ RetentionPolicy string │
│ CompressionPolicy string │
│ } │
│ │
│ func NewTimescaleConnection() │
│ func Connect() │
│ func Ping() │
│ func Close() │
└────────────────────────────────────────┘
│
▼
┌────────────────────────────────────────┐
│ pkg/db/timescale/hypertable.go │
├────────────────────────────────────────┤
│ │
│ func CreateHypertable() │
│ func AddDimension() │
│ func ConfigureChunkInterval() │
│ func SetRetentionPolicy() │
│ func EnableCompression() │
│ func ListHypertables() │
└────────────────────────────────────────┘
│
▼
┌────────────────────────────────────────┐
│ pkg/db/timescale/query.go │
├────────────────────────────────────────┤
│ │
│ func TimeseriesQuery() │
│ func TimeRange() │
│ func Downsampling() │
│ func ContinuousAggregate() │
│ func MaterializedViews() │
└────────────────────────────────────────┘
```
## 3. Feature Requirements
### 3.1 Core TimescaleDB Features
| Feature | Description | Priority |
|---------|-------------|----------|
| Hypertable Management | Support for creating, altering, and managing hypertables | High |
| Multi-dimensional Partitioning | Enable partitioning on time and space dimensions | Medium |
| Time Buckets | Support for time bucket functions and queries | High |
| Continuous Aggregates | Enable creation and management of continuous aggregates | Medium |
| Data Retention Policies | Configure automatic data retention policies | Medium |
| Compression Policies | Enable and manage compression policies | Medium |
| Advanced Time-Series Functions | Support for TimescaleDB's specialized time-series functions | High |
### 3.2 Configuration Requirements
| Requirement | Description | Priority |
|-------------|-------------|----------|
| Connection Configuration | Extended PostgreSQL connection config with TimescaleDB parameters | High |
| Chunk Time Interval | Configurable chunk time interval for hypertables | High |
| Data Retention Settings | Configuration for data retention policies | Medium |
| Compression Settings | Configuration for compression policies | Medium |
| Default Settings | Sensible defaults for TimescaleDB configuration | Medium |
### 3.3 Tool/Command Requirements
| Tool/Command | Description | Priority |
|--------------|-------------|----------|
| Create Hypertable | Tool to create a hypertable from an existing table | High |
| Convert to Hypertable | Convert PostgreSQL table to TimescaleDB hypertable | High |
| Manage Continuous Aggregates | Create and manage continuous aggregates | Medium |
| Configure Compression | Set up and manage compression policies | Medium |
| Configure Retention | Set up and manage retention policies | Medium |
| Hypertable Information | View information about existing hypertables | Medium |
| Chunk Management | Manage chunks (compress, decompress, drop) | Low |
## 4. User Context Requirements
### 4.1 Code Assistance
The system should provide context-aware assistance when users are working with TimescaleDB:
| Feature | Description | Priority |
|---------|-------------|----------|
| TimescaleDB Function Documentation | In-editor documentation for TimescaleDB-specific functions | High |
| Hypertable Schema Awareness | Auto-completion and schema awareness for hypertables | High |
| Query Optimization Suggestions | Suggestions for optimizing time-series queries | Medium |
| Code Snippets | Ready-to-use code snippets for common TimescaleDB operations | Medium |
| Error Diagnosis | Context-aware error diagnosis for TimescaleDB-specific errors | Medium |
### 4.2 Query Builder Context
| Feature | Description | Priority |
|---------|-------------|----------|
| Time-Series Query Templates | Templates for common time-series query patterns | High |
| Time Bucket Suggestions | Suggest appropriate time bucket sizes based on data | Medium |
| Function Parameter Assistance | Context-aware assistance for TimescaleDB function parameters | Medium |
| Query Performance Hints | Provide hints about query performance | Low |
### 4.3 User Interface Enhancements
| Feature | Description | Priority |
|---------|-------------|----------|
| Hypertable Visualization | Visual representation of hypertable structure | Medium |
| Time-Series Data Visualization | Simple visualization of time-series query results | Medium |
| Chunk Utilization View | Visualization of chunk usage and compression status | Low |
## 5. Integration Requirements
### 5.1 Existing System Integration
| Requirement | Description | Priority |
|-------------|-------------|----------|
| Multi-DB Configuration | Extend multi-database configuration to support TimescaleDB | High |
| Connection Pool Support | Support for connection pooling with TimescaleDB | High |
| Tool Registry Integration | Register TimescaleDB-specific tools in the MCP tool registry | High |
| Transparent PostgreSQL Compatibility | Ensure all PostgreSQL features work with TimescaleDB | High |
### 5.2 API Extensions
| Extension | Description | Priority |
|-----------|-------------|----------|
| TimescaleDB-specific Endpoints | Add endpoints for TimescaleDB-specific operations | Medium |
| Metadata API | API for TimescaleDB metadata (hypertables, chunks, etc.) | Medium |
| Tool Execution API | API for executing TimescaleDB-specific tools | High |
## 6. Performance and Scalability
| Requirement | Description | Priority |
|-------------|-------------|----------|
| Connection Pooling | Efficient connection pooling for TimescaleDB | High |
| Query Performance | Optimized query execution for time-series data | High |
| Large Dataset Support | Support for working with large time-series datasets | Medium |
| Multi-node Awareness | Support for distributed TimescaleDB deployments | Low |
## 7. Security Requirements
| Requirement | Description | Priority |
|-------------|-------------|----------|
| Connection Security | Support for secure connections to TimescaleDB | High |
| Role-Based Access | Support for TimescaleDB's role-based access control | Medium |
| Sensitive Data Handling | Secure handling of sensitive time-series data | High |
## 8. Success Metrics
| Metric | Target |
|--------|--------|
| Query Performance | >50% improvement for time-series queries vs standard PostgreSQL |
| Data Compression | >60% storage reduction for time-series data |
| Developer Productivity | >30% reduction in time to implement time-series features |
| Query Complexity | Simplify complex time-series queries by >40% |