[fix](group commit) add some log to unstable insert_group_commit_with_prepare_stmt case (apache#48470)

Author: mymeiyi

be/src/runtime/group_commit_mgr.cpp

@@ -46,6 +46,8 @@ Status LoadBlockQueue::add_block(RuntimeState* runtime_state,
         return runtime_state->cancel_reason();
     }
     RETURN_IF_ERROR(status);
+    LOG(INFO) << "query_id: " << print_id(runtime_state->query_id())
+              << ", add block rows=" << block->rows() << ", use group_commit label=" << label;
     if (block->rows() > 0) {
         if (!config::group_commit_wait_replay_wal_finish) {
             _block_queue.emplace_back(block);

fe/fe-core/src/main/java/org/apache/doris/planner/GroupCommitPlanner.java

@@ -159,6 +159,8 @@ public PGroupCommitInsertResponse executeGroupCommitInsert(ConnectContext ctx,
                 .setLoadId(Types.PUniqueId.newBuilder().setHi(loadId.hi).setLo(loadId.lo)
                 .build()).addAllData(rows)
                 .build();
+        LOG.info("query_id={}, rows={}, reuse group commit query_id={} ", DebugUtil.printId(ctx.queryId()),
+                rows.size(), DebugUtil.printId(loadId));
         Future<PGroupCommitInsertResponse> future = BackendServiceProxy.getInstance()
                 .groupCommitInsert(new TNetworkAddress(backend.getHost(), backend.getBrpcPort()), request);
         return future.get();

regression-test/suites/insert_p0/insert_group_commit_with_prepare_stmt.groovy

@@ -132,6 +132,11 @@ suite("insert_group_commit_with_prepare_stmt") {
     def url = getServerPrepareJdbcUrl(context.config.jdbcUrl, realDb, false)
     logger.info("url: " + url)
 
+    sql """ set global enable_prepared_stmt_audit_log = true """
+    onFinish {
+        sql """ set global enable_prepared_stmt_audit_log = false """
+    }
+
     def result1 = connect(user, password, url + "&sessionVariables=group_commit=async_mode") {
         try {
             // create table