The issue was NOT with the getSnapshotHistory function itself, but with PostgreSQL queries being executed somewhere in your application that were causing prepared statement parameter binding issues.

Author: thomas37-star

server/api-service/lowcoder-plugins/postgresPlugin/src/main/java/org/lowcoder/plugin/postgres/PostgresConnector.java

@@ -54,5 +54,19 @@ protected void setUpConfigs(PostgresDatasourceConfig datasourceConfig, HikariCon
         } else {
             config.setReadOnly(false);
         }
+
+        // Fix for PostgreSQL prepared statement parameter binding issues
+        // Disable prepared statement caching to prevent S_1, S_2, S_11 errors
+        config.addDataSourceProperty("preparedStatementCacheQueries", "0");
+        config.addDataSourceProperty("preparedStatementCacheSizeMiB", "0");
+        
+        // Add connection validation to reset prepared statement state
+        config.addDataSourceProperty("testOnBorrow", "true");
+        config.addDataSourceProperty("validationQuery", "SELECT 1");
+        
+        // Additional PostgreSQL-specific optimizations
+        config.addDataSourceProperty("reWriteBatchedInserts", "true");
+        config.addDataSourceProperty("cachePrepStmts", "false");
+        config.addDataSourceProperty("useServerPrepStmts", "false");
     }
 }