fix: PolarDB compatibility with Apache AGE 1.5+

scripts/migrations/pr1-migration-script.sql

@@ -0,0 +1,75 @@
+-- =============================================================================
+-- PolarDB Apache AGE Compatibility Check Script
+-- =============================================================================
+-- Run this script to verify your Apache AGE version and test compatibility
+--
+-- Usage:
+--   psql -U postgres -d your_database -f pr1-migration-script.sql
+-- =============================================================================
+
+\echo '======================================================================'
+\echo 'PolarDB Apache AGE Compatibility Check'
+\echo '======================================================================'
+\echo ''
+
+-- Check Apache AGE version
+\echo 'Checking Apache AGE version...'
+SELECT extversion AS age_version
+FROM pg_extension
+WHERE extname = 'age';
+
+\echo ''
+\echo 'Checking PostgreSQL version...'
+SELECT version();
+
+\echo ''
+\echo '======================================================================'
+\echo 'Testing agtype_access_operator compatibility'
+\echo '======================================================================'
+
+-- Create temporary test table
+DROP TABLE IF EXISTS temp_age_test;
+CREATE TEMP TABLE temp_age_test (
+    id TEXT PRIMARY KEY,
+    properties JSONB
+);
+
+-- Insert test data
+INSERT INTO temp_age_test (id, properties) VALUES
+    ('test_1', '{"memory_type": "memo", "user_name": "alice", "content": "Hello"}'),
+    ('test_2', '{"memory_type": "episode", "user_name": "bob", "content": "World"}');
+
+\echo ''
+\echo 'Test 1: OLD syntax (will FAIL on AGE 1.5+)'
+\echo 'Query: agtype_access_operator(properties, ...)'
+
+SELECT COUNT(*) AS test1_result FROM (
+    SELECT *
+    FROM temp_age_test
+    WHERE ag_catalog.agtype_access_operator(properties, '"memory_type"'::agtype) = '"memo"'::agtype
+) AS subquery;
+
+\echo ''
+\echo 'Test 2: NEW syntax (will WORK on all AGE versions)'
+\echo 'Query: agtype_access_operator(properties::text::agtype, ...)'
+
+SELECT COUNT(*) AS test2_result FROM (
+    SELECT *
+    FROM temp_age_test
+    WHERE ag_catalog.agtype_access_operator(properties::text::agtype, '"memory_type"'::agtype) = '"memo"'::agtype
+) AS subquery;
+
+\echo ''
+\echo '======================================================================'
+\echo 'Compatibility Test Results'
+\echo '======================================================================'
+\echo 'If Test 1 failed with type error: YOU NEED THIS PR'
+\echo 'If Test 2 succeeded: This PR will fix your issues'
+\echo ''
+\echo 'Expected results:'
+\echo '  AGE 1.4.x: Both tests succeed'
+\echo '  AGE 1.5.0+: Test 1 fails, Test 2 succeeds'
+\echo '======================================================================'
+
+-- Cleanup
+DROP TABLE IF EXISTS temp_age_test;