feat: fixed migration for electric-sql

This commit is contained in:
Anish Sarkar 2026-01-14 23:23:45 +05:30
parent 5712336feb
commit 7a9a14aa66
4 changed files with 84 additions and 78 deletions

View file

@ -8,7 +8,6 @@ services:
volumes:
- postgres_data:/var/lib/postgresql/data
- ./scripts/docker/postgresql.conf:/etc/postgresql/postgresql.conf:ro
- ./scripts/docker/init-electric-user.sql:/docker-entrypoint-initdb.d/init-electric-user.sql:ro
environment:
- POSTGRES_USER=${POSTGRES_USER:-postgres}
- POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-postgres}

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@ -1,11 +0,0 @@
-- Electrify tables for Electric SQL sync
-- This tells Electric SQL which tables to sync
-- Run this after running migrations
-- Electrify notifications table
ALTER TABLE notifications ENABLE ELECTRIC;
-- You can electrify other tables as needed:
-- ALTER TABLE documents ENABLE ELECTRIC;
-- ALTER TABLE logs ENABLE ELECTRIC;

View file

@ -1,30 +0,0 @@
-- Create Electric SQL replication user
-- This script is run during PostgreSQL initialization
DO $$
BEGIN
IF NOT EXISTS (SELECT FROM pg_user WHERE usename = 'electric') THEN
CREATE USER electric WITH REPLICATION PASSWORD 'electric_password';
END IF;
END
$$;
-- Grant necessary permissions
GRANT CONNECT ON DATABASE surfsense TO electric;
GRANT USAGE ON SCHEMA public TO electric;
GRANT SELECT ON ALL TABLES IN SCHEMA public TO electric;
GRANT SELECT ON ALL SEQUENCES IN SCHEMA public TO electric;
-- Grant permissions on future tables
ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT SELECT ON TABLES TO electric;
ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT SELECT ON SEQUENCES TO electric;
-- Create the publication that Electric SQL expects
-- Electric will add tables to this publication when shapes are subscribed
DO $$
BEGIN
IF NOT EXISTS (SELECT FROM pg_publication WHERE pubname = 'electric_publication_default') THEN
CREATE PUBLICATION electric_publication_default;
END IF;
END
$$;

View file

@ -4,7 +4,7 @@ Revision ID: 62
Revises: 61
Creates notifications table and sets up Electric SQL replication
(REPLICA IDENTITY FULL and publication) for notifications,
(user, publication, REPLICA IDENTITY FULL) for notifications,
search_source_connectors, and documents tables.
"""
@ -45,45 +45,93 @@ def upgrade() -> None:
op.create_index("ix_notifications_created_at", "notifications", ["created_at"])
op.create_index("ix_notifications_user_read", "notifications", ["user_id", "read"])
# Set up Electric SQL replication for real-time sync tables
# Set REPLICA IDENTITY FULL (required by Electric SQL for replication)
# This logs full row data for UPDATE/DELETE operations in the WAL
op.execute("ALTER TABLE notifications REPLICA IDENTITY FULL;")
op.execute("ALTER TABLE search_source_connectors REPLICA IDENTITY FULL;")
op.execute("ALTER TABLE documents REPLICA IDENTITY FULL;")
# Add tables to Electric SQL publication for replication if publication exists
# =====================================================
# Electric SQL Setup - User and Publication
# =====================================================
# Create Electric SQL replication user if not exists
op.execute(
"""
DO $$
BEGIN
IF EXISTS (SELECT 1 FROM pg_publication WHERE pubname = 'electric_publication_default') THEN
-- Add notifications if not already added
IF NOT EXISTS (
SELECT 1 FROM pg_publication_tables
WHERE pubname = 'electric_publication_default'
AND tablename = 'notifications'
) THEN
ALTER PUBLICATION electric_publication_default ADD TABLE notifications;
END IF;
-- Add search_source_connectors if not already added
IF NOT EXISTS (
SELECT 1 FROM pg_publication_tables
WHERE pubname = 'electric_publication_default'
AND tablename = 'search_source_connectors'
) THEN
ALTER PUBLICATION electric_publication_default ADD TABLE search_source_connectors;
END IF;
-- Add documents if not already added
IF NOT EXISTS (
SELECT 1 FROM pg_publication_tables
WHERE pubname = 'electric_publication_default'
AND tablename = 'documents'
) THEN
ALTER PUBLICATION electric_publication_default ADD TABLE documents;
END IF;
IF NOT EXISTS (SELECT FROM pg_user WHERE usename = 'electric') THEN
CREATE USER electric WITH REPLICATION PASSWORD 'electric_password';
END IF;
END
$$;
"""
)
# Grant necessary permissions to electric user
op.execute(
"""
DO $$
DECLARE
db_name TEXT := current_database();
BEGIN
EXECUTE format('GRANT CONNECT ON DATABASE %I TO electric', db_name);
END
$$;
"""
)
op.execute("GRANT USAGE ON SCHEMA public TO electric;")
op.execute("GRANT SELECT ON ALL TABLES IN SCHEMA public TO electric;")
op.execute("GRANT SELECT ON ALL SEQUENCES IN SCHEMA public TO electric;")
op.execute("ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT SELECT ON TABLES TO electric;")
op.execute("ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT SELECT ON SEQUENCES TO electric;")
# Create the publication if not exists
op.execute(
"""
DO $$
BEGIN
IF NOT EXISTS (SELECT FROM pg_publication WHERE pubname = 'electric_publication_default') THEN
CREATE PUBLICATION electric_publication_default;
END IF;
END
$$;
"""
)
# =====================================================
# Electric SQL Setup - Table Configuration
# =====================================================
# Set REPLICA IDENTITY FULL (required by Electric SQL for replication)
op.execute("ALTER TABLE notifications REPLICA IDENTITY FULL;")
op.execute("ALTER TABLE search_source_connectors REPLICA IDENTITY FULL;")
op.execute("ALTER TABLE documents REPLICA IDENTITY FULL;")
# Add tables to Electric SQL publication for replication
op.execute(
"""
DO $$
BEGIN
-- Add notifications if not already added
IF NOT EXISTS (
SELECT 1 FROM pg_publication_tables
WHERE pubname = 'electric_publication_default'
AND tablename = 'notifications'
) THEN
ALTER PUBLICATION electric_publication_default ADD TABLE notifications;
END IF;
-- Add search_source_connectors if not already added
IF NOT EXISTS (
SELECT 1 FROM pg_publication_tables
WHERE pubname = 'electric_publication_default'
AND tablename = 'search_source_connectors'
) THEN
ALTER PUBLICATION electric_publication_default ADD TABLE search_source_connectors;
END IF;
-- Add documents if not already added
IF NOT EXISTS (
SELECT 1 FROM pg_publication_tables
WHERE pubname = 'electric_publication_default'
AND tablename = 'documents'
) THEN
ALTER PUBLICATION electric_publication_default ADD TABLE documents;
END IF;
END
$$;