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Flask route handler that renders the database schema viewer page template.

Purpose

This function serves as a Flask web endpoint that displays a database schema visualization interface. When accessed via HTTP GET request at the '/database_schema' route, it returns an HTML page that allows users to view and explore database schema information. This is typically used in data analysis or database management web applications to provide a visual representation of database structure.

Source Code

def database_schema():
    """Database schema viewer page"""
    return render_template('database_schema_viewer.html')

Return Value

Returns a rendered HTML template ('database_schema_viewer.html') as a Flask Response object. The response contains the complete HTML page content that will be displayed in the user's browser, including any template variables that may be passed to the template (though none are explicitly passed in this implementation).

Dependencies

• flask
• os
• json
• logging
• uuid
• datetime
• typing
• pathlib
• tempfile
• base64
• pandas
• threading
• time
• werkzeug
• config
• models
• services
• script_executor
• data_processor
• dynamic_schema_discovery
• statistical_agent
• enhanced_sql_workflow
• manual_relationships
• shutil

Required Imports

from flask import Flask
from flask import render_template

Usage Example

from flask import Flask, render_template

app = Flask(__name__)

@app.route('/database_schema')
def database_schema():
    """Database schema viewer page"""
    return render_template('database_schema_viewer.html')

if __name__ == '__main__':
    # Access the page by navigating to http://localhost:5000/database_schema
    app.run(debug=True)

Best Practices

• Ensure the 'database_schema_viewer.html' template file exists in the templates directory before deploying
• Consider adding authentication/authorization checks before allowing access to database schema information
• Add error handling to gracefully handle missing template files
• Consider passing schema data as template variables rather than loading it client-side for better performance
• Add logging to track when users access the schema viewer for security auditing
• Consider implementing rate limiting to prevent abuse of this endpoint
• Ensure sensitive database information is properly sanitized before displaying in the template

Tags

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