add logs to wfDAO (#231)

Author: devhawk

transact/src/main/java/dev/dbos/transact/database/WorkflowDAO.java

@@ -39,6 +39,8 @@ public Optional<String> getWorkflowResult(String workflowId) throws SQLException
       throw new IllegalStateException("Database is closed!");
     }
 
+    logger.debug("getWorkflowResult {}", workflowId);
+
     String sql =
         """
           SELECT status, output, error FROM %s.workflow_status WHERE workflow_uuid = ?;
@@ -72,7 +74,7 @@ public Optional<String> getWorkflowResult(String workflowId) throws SQLException
       }
 
     } catch (SQLException e) {
-      logger.error("Error getting workflow result", e);
+      logger.error("Error getting workflow {} result", workflowId, e);
       throw e;
     }
   }
@@ -83,6 +85,8 @@ public WorkflowInitResult initWorkflowStatus(
       throw new IllegalStateException("Database is closed!");
     }
 
+    logger.debug("initWorkflowStatus workflowId {}", initStatus.workflowId());
+
     try (Connection connection = dataSource.getConnection()) {
 
       try {
@@ -157,6 +161,8 @@ public InsertWorkflowResult insertWorkflowStatus(
       throw new IllegalStateException("Database is closed!");
     }
 
+    logger.debug("insertWorkflowStatus workflowId {}", status.workflowId());
+
     String insertSQL =
         """
           INSERT INTO %s.workflow_status (
@@ -257,6 +263,8 @@ public void updateWorkflowOutcome(
       throw new IllegalStateException("Database is closed!");
     }
 
+    logger.debug("updateWorkflowOutcome wfid {} status {}", workflowId, status);
+
     // Note that transitions from CANCELLED to SUCCESS or ERROR are forbidden
     var sql =
         """