fix: correct the error of hardcoded prisma/kafka schema

[DavidMenezesDev]

📋 Description

🔗 Related Issue

Closes #(2069)

🧪 Type of Change

• 🐛 Bug fix (non-breaking change which fixes an issue)
• ✨ New feature (non-breaking change which adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
• 📚 Documentation update
• 🔧 Refactoring (no functional changes)
• ⚡ Performance improvement
• 🧹 Code cleanup
• 🔒 Security fix

🧪 Testing

• Manual testing completed
• Functionality verified in development environment
• No breaking changes introduced
• Tested with different connection types (if applicable)

📸 Screenshots (if applicable)

✅ Checklist

• My code follows the project's style guidelines
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have manually tested my changes thoroughly
• I have verified the changes work with different scenarios
• Any dependent changes have been merged and published

📝 Additional Notes

Summary by Sourcery

Bug Fixes:

• Remove "public." prefix from CREATE TABLE, CREATE INDEX, and ALTER TABLE statements in Kafka migration.sql

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

This PR updates the PostgreSQL migration script for Kafka integration by removing explicit “public” schema qualifiers and relying on unqualified table names for CREATE TABLE, index, and foreign key definitions.

File-Level Changes

Change	Details	Files
Remove hardcoded “public” schema qualifiers in Kafka migration SQL	Drop “public” prefix from CREATE TABLE statement Remove schema qualification in CREATE UNIQUE INDEX Adjust ALTER TABLE foreign key to reference unqualified Kafka and Instance tables	prisma/postgresql-migrations/20250918182355_add_kafka_integration/migration.sql

Possibly linked issues

• [BUG] Prisma migrations fail in v2.3.4 when DATABASE_URL points to a custom schema #2069: The PR removes the hardcoded 'public' schema from the Kafka migration, resolving the 'relation public.Instance does not exist' error.
• [BUG] Prisma migrations fail in v2.3.4 when DATABASE_URL points to a custom schema #2069: The PR removes hardcoded 'public' schema from Kafka migration to fix P3009 error in issue 2069.
• [BUG] Prisma migrations fail in v2.3.4 when DATABASE_URL points to a custom schema #2069: PR removes hardcoded 'public' schema from Kafka migration, resolving P3009 error for custom schemas.

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[sourcery-ai]

Hey there - I've reviewed your changes - here's some feedback:

• Add a down migration or in-place rename logic so existing deployments of the "public.Kafka" table aren’t orphaned when this schema correction runs.
• Consider making the schema name configurable via environment or Prisma settings instead of hardcoding to support non-public schemas.
• Ensure all other migrations and model definitions have had their schema qualifications updated consistently to avoid mismatches.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- Add a down migration or in-place rename logic so existing deployments of the "public.Kafka" table aren’t orphaned when this schema correction runs.
- Consider making the schema name configurable via environment or Prisma settings instead of hardcoding to support non-public schemas.
- Ensure all other migrations and model definitions have had their schema qualifications updated consistently to avoid mismatches.

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