Auto-update: Tue Jul 30 11:00:47 PDT 2024

sijapi/classes.py

@@ -330,24 +330,32 @@ class APIConfig(BaseModel):
                         await self.ensure_sync_columns(conn, table_name)
                         await self.create_sync_trigger(conn, table_name)
 
-                info(f"Sync initialization complete for {pool_entry['ts_ip']}. All tables now have version and server_id columns with appropriate triggers.")
+                    info(f"Sync initialization complete for {pool_entry['ts_ip']}. All tables now have version and server_id columns with appropriate triggers.")
             except Exception as e:
                 err(f"Error initializing sync for {pool_entry['ts_ip']}: {str(e)}")
+                err(f"Traceback: {traceback.format_exc()}")
+
 
     async def ensure_sync_columns(self, conn, table_name):
-        await conn.execute(f"""
-            DO $$ 
-            BEGIN 
+        try:
+            await conn.execute(f"""
+                DO $$ 
                 BEGIN 
-                    ALTER TABLE "{table_name}" 
-                    ADD COLUMN IF NOT EXISTS version INTEGER DEFAULT 1,
-                    ADD COLUMN IF NOT EXISTS server_id TEXT DEFAULT '{os.environ.get('TS_ID')}';
-                EXCEPTION
-                    WHEN duplicate_column THEN 
-                        -- Do nothing, column already exists
-                END;
-            END $$;
-        """)
+                    BEGIN
+                        ALTER TABLE "{table_name}" 
+                        ADD COLUMN IF NOT EXISTS version INTEGER DEFAULT 1,
+                        ADD COLUMN IF NOT EXISTS server_id TEXT DEFAULT '{os.environ.get('TS_ID')}';
+                    EXCEPTION
+                        WHEN duplicate_column THEN 
+                            RAISE NOTICE 'column version or server_id already exists in {table_name}.';
+                    END;
+                END $$;
+            """)
+            info(f"Ensured sync columns for table {table_name}")
+        except Exception as e:
+            err(f"Error ensuring sync columns for table {table_name}: {str(e)}")
+            err(f"Traceback: {traceback.format_exc()}")
+
 
     async def create_sync_trigger(self, conn, table_name):
         await conn.execute(f"""
@@ -380,20 +388,45 @@ class APIConfig(BaseModel):
             
             try:
                 async with self.get_connection(pool_entry) as conn:
+                    # Check if the version column exists in any table
+                    version_exists = await conn.fetchval("""
+                        SELECT EXISTS (
+                            SELECT 1
+                            FROM information_schema.columns
+                            WHERE table_schema = 'public'
+                            AND column_name = 'version'
+                        )
+                    """)
+                    
+                    if not version_exists:
+                        info(f"Version column does not exist in any table for {pool_entry['ts_id']}")
+                        continue
+                    
                     version = await conn.fetchval("""
-                        SELECT COALESCE(MAX(version), -1) FROM (
-                            SELECT MAX(version) as version FROM information_schema.columns
-                            WHERE table_schema = 'public' AND column_name = 'version'
+                        SELECT COALESCE(MAX(version), -1)
+                        FROM (
+                            SELECT MAX(version) as version
+                            FROM information_schema.columns
+                            WHERE table_schema = 'public'
+                            AND column_name = 'version'
+                            AND is_updatable = 'YES'
                         ) as subquery
                     """)
+                    info(f"Max version for {pool_entry['ts_id']}: {version}")
                     if version > max_version:
                         max_version = version
                         most_recent_source = pool_entry
             except Exception as e:
                 err(f"Error checking version for {pool_entry['ts_id']}: {str(e)}")
         
+        if most_recent_source:
+            info(f"Most recent source: {most_recent_source['ts_id']} with version {max_version}")
+        else:
+            info("No valid source found with version information")
+        
         return most_recent_source
 
+
     async def pull_changes(self, source_pool_entry, batch_size=10000):
         if source_pool_entry['ts_id'] == os.environ.get('TS_ID'):
             info("Skipping self-sync")