feat: add sql_polyglot plugin v0.0.1

[abesticode]

Plugin Submission Form

1. Metadata

• Plugin Author: abesticode
• Plugin Name: sql_polyglot
• Repository URL: https://github.com/abesticode/dify-plugin-sql-polyglot

2. Submission Type

• New plugin submission
• Version update for existing plugin

3. Description

SQL Polyglot is a powerful Dify plugin that provides comprehensive SQL parsing, transpiling, analysis, optimization, and execution capabilities. Built on the SQLGlot library, it enables AI agents to work with SQL across 31+ database dialects.

Key Features:

• 🔄 SQL Dialect Converter - Convert SQL between 31+ database dialects
• 📝 SQL Beautifier - Format SQL with proper indentation
• 🔍 SQL Metadata Extractor - Extract tables, columns, joins from SQL
• ✅ SQL Syntax Checker - Validate SQL syntax and detect errors
• ⚡ SQL Query Optimizer - Optimize SQL for better performance
• 🚀 SQL on JSON Executor - Execute SQL queries against JSON data

4. Checklist

• I have read and followed the Publish to Dify Marketplace guidelines
• I have read and comply with the Plugin Developer Agreement
• I confirm my plugin works properly on both Dify Community Edition and Cloud Version
• I confirm my plugin has been thoroughly tested for completeness and functionality
• My plugin brings new value to Dify

5. Documentation Checklist

• Step-by-step setup instructions
• Detailed usage instructions
• All required APIs and credentials are clearly listed
• Connection requirements and configuration details
• Link to the repository for the plugin source code

6. Privacy Protection Information

Data Collection

This plugin does not collect any user personal data. All SQL processing is performed locally using the SQLGlot library. No data is transmitted to external services or stored.

Privacy Policy

• I confirm that I have prepared and included a privacy policy in my plugin package based on the Plugin Privacy Protection Guidelines