Update session lookup for party model

[creatorrr]

trafficstars

User description

Summary

• add migration to normalize session lookup table using party ids
• include down migration for reversal

Testing

• poe check (fails: command not found)

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PR Type

Enhancement

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Description

• Normalize session_lookup table to use party_id instead of participant columns

  • Add and populate party_id column, update constraints and indexes
  • Remove participant-based columns, triggers, and types

• Clean up and rename document and file owner tables

  • Drop legacy owner tables and triggers, rename new tables

• Provide full down migration to revert all changes

  • Restore participant-based model and legacy tables

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Changes walkthrough 📝

Relevant files

Enhancement

000043_session_lookup_party_model.up.sql Normalize session_lookup to party-based model, clean up owner tables memory-store/migrations/000043_session_lookup_party_model.up.sql Adds migration to normalize session_lookup using party_id Populates new column from users/agents, updates constraints and indexes Removes participant columns, triggers, types, and legacy owner tables Renames and cleans up file owner tables +48/-0    000043_session_lookup_party_model.down.sql Down migration to restore participant-based session_lookup memory-store/migrations/000043_session_lookup_party_model.down.sql Adds down migration to revert to participant-based model Restores participant columns, types, and legacy owner tables Recreates indexes and migrates data back Drops party-based columns and structures +55/-0

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[!IMPORTANT] Add migration to normalize session_lookup using party_id and provide a down migration to revert changes.

• Migration:
  • 000043_session_lookup_party_model.up.sql: Adds party_id to session_lookup, populates it from users and agents, enforces not null, adds foreign key, updates primary key and indexes, removes old triggers and columns, and drops legacy owner tables.
  • 000043_session_lookup_party_model.down.sql: Reverts to participant-based model, recreates participant_type enum, restores columns, updates data from parties, recreates legacy owner tables, and renames temporary tables.

^{This description was created by for e0009d59025e5cc5623415f281ef126ab7631ab1. You can customize this summary. It will automatically update as commits are pushed.}

[qodo-merge-for-open-source[bot]]

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 3 🔵🔵🔵⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ Recommended focus areas for review Data Loss Risk The down migration updates session_lookup with data from parties table but doesn't handle the case where a party might not exist anymore, potentially causing data loss during rollback. UPDATE session_lookup sl SET participant_type = p.party_type, participant_id = p.party_id FROM parties p WHERE sl.party_id = p.party_id AND sl.developer_id = p.developer_id; Migration Ordering The migration drops constraints and triggers before ensuring all data is properly migrated, which could lead to integrity issues if the migration is interrupted. DROP TRIGGER IF EXISTS trg_validate_participant_before_insert ON session_lookup; DROP TRIGGER IF EXISTS trg_validate_participant_before_update ON session_lookup; DROP FUNCTION IF EXISTS validate_participant(); ALTER TABLE session_lookup DROP COLUMN IF EXISTS participant_type; ALTER TABLE session_lookup DROP COLUMN IF EXISTS participant_id; DROP TYPE IF EXISTS participant_type;

[qodo-merge-for-open-source[bot]]

PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Impact
Possible issue	Validate data before constraints The migration attempts to set NOT NULL constraints and create a primary key without first verifying that all rows have valid data. Add a validation step before applying these constraints to prevent migration failure. memory-store/migrations/000043_session_lookup_party_model.down.sql [23-25] +-- Verify data integrity before applying constraints +DO $$ +BEGIN + IF EXISTS (SELECT 1 FROM session_lookup WHERE participant_type IS NULL OR participant_id IS NULL) THEN + RAISE EXCEPTION 'Cannot apply NOT NULL constraints - null values exist in participant columns'; + END IF; +END $$; + ALTER TABLE session_lookup ALTER COLUMN participant_type SET NOT NULL; ALTER TABLE session_lookup ALTER COLUMN participant_id SET NOT NULL; ALTER TABLE session_lookup ADD PRIMARY KEY (developer_id, session_id, participant_type, participant_id); [ ] Apply / Chat Suggestion importance[1-10]: 8 __ Why: This suggestion introduces a validation step to ensure there are no NULLs in participant_type or participant_id before applying NOT NULL constraints and creating a primary key. This is important for migration robustness, preventing failures or partial migrations, and thus deserves a high score.	Medium
	Handle NULL values properly The migration is missing a check for NULL party_id values in the session_lookup table, which could lead to data loss. Add a WHERE condition to ensure only rows with non-NULL party_id values are processed. memory-store/migrations/000043_session_lookup_party_model.down.sql [16-21] UPDATE session_lookup sl SET participant_type = p.party_type, participant_id = p.party_id FROM parties p WHERE sl.party_id = p.party_id + AND sl.party_id IS NOT NULL AND sl.developer_id = p.developer_id; [ ] Apply / Chat Suggestion importance[1-10]: 7 __ Why: The suggestion adds a check for NULL party_id values in the session_lookup table, which helps prevent data loss or incorrect updates during migration. This is a prudent safety measure, though not strictly critical if upstream logic guarantees non-NULLs, so it merits a moderate-to-high score.	Medium
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