[Improve]Improve support json with empty keys 2.0

[amorynan]

Proposed changes

backpoint: #36762
Issue Number: close #xxx

[amorynan]

run buildall

[github-actions]

clang-tidy review says "All clean, LGTM! 👍"

[doris-robot]

TeamCity be ut coverage result:
Function Coverage: 37.90% (8116/21417)
Line Coverage: 29.56% (66496/224916)
Region Coverage: 29.04% (34276/118046)
Branch Coverage: 24.90% (17603/70684)
Coverage Report: http://coverage.selectdb-in.cc/coverage/b9dad5842bed27263a29a457c2c634e766b063ad_b9dad5842bed27263a29a457c2c634e766b063ad/report/index.html

[doris-robot]

TPC-H: Total hot run time: 50148 ms

machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
scripts: https://github.com/apache/doris/tree/master/tools/tpch-tools
Tpch sf100 test result on commit b9dad5842bed27263a29a457c2c634e766b063ad, data reload: false

------ Round 1 ----------------------------------
q1	18263	4419	4370	4370
q2	2072	156	153	153
q3	10403	1914	1948	1914
q4	10218	1272	1358	1272
q5	8575	4206	4001	4001
q6	235	136	143	136
q7	2037	1622	1617	1617
q8	9325	2779	2739	2739
q9	10756	10350	10354	10350
q10	8657	3561	3546	3546
q11	419	252	252	252
q12	474	310	312	310
q13	18386	3962	4060	3962
q14	358	319	331	319
q15	512	462	468	462
q16	679	573	580	573
q17	1147	966	984	966
q18	7329	6770	6873	6770
q19	1785	1645	1568	1568
q20	534	315	300	300
q21	4407	4136	4142	4136
q22	533	432	447	432
Total cold run time: 117104 ms
Total hot run time: 50148 ms

----- Round 2, with runtime_filter_mode=off -----
q1	4300	4297	4317	4297
q2	322	231	236	231
q3	4221	4193	4197	4193
q4	2773	2788	2798	2788
q5	7262	7160	7171	7160
q6	237	121	120	120
q7	3285	2825	2841	2825
q8	4310	4450	4502	4450
q9	16877	16800	16668	16668
q10	4273	4292	4258	4258
q11	740	752	703	703
q12	1042	843	851	843
q13	6627	3757	3746	3746
q14	475	435	430	430
q15	520	460	456	456
q16	742	697	674	674
q17	3788	3814	3874	3814
q18	8773	8733	8937	8733
q19	1739	1731	1693	1693
q20	2378	2109	2149	2109
q21	8478	8497	8490	8490
q22	1094	1007	973	973
Total cold run time: 84256 ms
Total hot run time: 79654 ms

[doris-robot]

TPC-DS: Total hot run time: 204159 ms

machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
scripts: https://github.com/apache/doris/tree/master/tools/tpcds-tools
TPC-DS sf100 test result on commit b9dad5842bed27263a29a457c2c634e766b063ad, data reload: false

query1	937	425	393	393
query2	6526	2736	2710	2710
query3	6923	209	204	204
query4	20431	18126	17921	17921
query5	19719	6558	6561	6558
query6	319	228	231	228
query7	4234	306	308	306
query8	400	425	396	396
query9	3155	2721	2641	2641
query10	421	303	294	294
query11	11420	10631	10708	10631
query12	127	82	76	76
query13	5594	692	694	692
query14	17877	13951	13507	13507
query15	360	243	246	243
query16	6440	289	264	264
query17	1488	1501	892	892
query18	2260	432	441	432
query19	211	149	152	149
query20	83	78	81	78
query21	188	96	95	95
query22	5269	5060	5003	5003
query23	32703	32019	31932	31932
query24	7045	6663	6612	6612
query25	540	438	426	426
query26	518	174	171	171
query27	1798	304	301	301
query28	6120	2387	2346	2346
query29	2896	2859	2695	2695
query30	242	170	167	167
query31	917	744	738	738
query32	71	61	63	61
query33	402	257	251	251
query34	864	489	488	488
query35	1113	921	894	894
query36	1305	1257	1209	1209
query37	91	59	60	59
query38	3083	2916	2937	2916
query39	1364	1351	1336	1336
query40	207	100	102	100
query41	48	44	44	44
query42	79	89	89	89
query43	762	691	754	691
query44	1123	714	726	714
query45	250	240	232	232
query46	1253	973	997	973
query47	1857	1796	1838	1796
query48	1086	736	737	736
query49	622	396	367	367
query50	879	655	646	646
query51	4805	4582	4682	4582
query52	98	82	88	82
query53	469	332	322	322
query54	2695	2527	2521	2521
query55	98	90	84	84
query56	222	222	215	215
query57	1181	1086	1124	1086
query58	220	196	202	196
query59	4063	3821	3900	3821
query60	223	203	213	203
query61	96	94	99	94
query62	797	505	437	437
query63	505	351	358	351
query64	2542	1552	1434	1434
query65	3665	3578	3602	3578
query66	774	386	382	382
query67	15810	16688	15065	15065
query68	8398	675	646	646
query69	584	363	367	363
query70	1592	1395	1447	1395
query71	404	294	307	294
query72	6594	3536	3492	3492
query73	746	318	313	313
query74	6310	5849	5830	5830
query75	4964	3734	3848	3734
query76	5006	1149	1174	1149
query77	733	260	262	260
query78	12556	11695	11926	11695
query79	6960	647	661	647
query80	993	405	417	405
query81	497	242	238	238
query82	1519	102	100	100
query83	173	134	138	134
query84	247	73	71	71
query85	875	336	336	336
query86	348	299	290	290
query87	3239	3037	3079	3037
query88	4837	2317	2330	2317
query89	372	289	302	289
query90	1959	215	217	215
query91	179	161	151	151
query92	59	51	51	51
query93	4542	581	548	548
query94	730	216	209	209
query95	1105	1083	1078	1078
query96	640	323	332	323
query97	6415	6376	6374	6374
query98	194	186	182	182
query99	2948	837	920	837
Total cold run time: 308601 ms
Total hot run time: 204159 ms

[doris-robot]

ClickBench: Total hot run time: 31.15 s

machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
scripts: https://github.com/apache/doris/tree/master/tools/clickbench-tools
ClickBench test result on commit b9dad5842bed27263a29a457c2c634e766b063ad, data reload: false

query1	0.02	0.02	0.02
query2	0.07	0.03	0.02
query3	0.25	0.04	0.04
query4	1.78	0.08	0.08
query5	0.54	0.53	0.52
query6	1.24	0.61	0.62
query7	0.02	0.01	0.01
query8	0.03	0.02	0.02
query9	0.54	0.48	0.48
query10	0.55	0.55	0.54
query11	0.12	0.09	0.08
query12	0.12	0.09	0.09
query13	0.62	0.62	0.61
query14	0.80	0.78	0.79
query15	0.79	0.76	0.76
query16	0.37	0.37	0.36
query17	1.00	0.99	0.98
query18	0.24	0.25	0.25
query19	1.90	1.84	1.84
query20	0.01	0.01	0.02
query21	15.46	0.56	0.56
query22	1.86	2.19	1.69
query23	17.11	1.05	0.97
query24	4.22	1.37	1.32
query25	0.30	0.11	0.06
query26	0.61	0.16	0.16
query27	0.04	0.04	0.03
query28	8.36	0.74	0.72
query29	12.74	2.17	2.32
query30	0.54	0.55	0.52
query31	2.81	0.40	0.39
query32	3.36	0.51	0.50
query33	3.10	3.08	3.03
query34	15.28	4.81	4.81
query35	4.86	4.84	4.86
query36	1.03	1.02	1.03
query37	0.06	0.05	0.04
query38	0.04	0.02	0.02
query39	0.02	0.01	0.02
query40	0.16	0.15	0.14
query41	0.07	0.02	0.02
query42	0.02	0.02	0.01
query43	0.02	0.02	0.02
Total cold run time: 103.08 s
Total hot run time: 31.15 s

[doris-robot]

Load test result on machine: 'aliyun_ecs.c7a.8xlarge_32C64G'

Load test result on commit b9dad5842bed27263a29a457c2c634e766b063ad with default session variables
Stream load json:         20 seconds loaded 2358488459 Bytes, about 112 MB/s
Stream load orc:          58 seconds loaded 1101869774 Bytes, about 18 MB/s
Stream load parquet:      31 seconds loaded 861443392 Bytes, about 26 MB/s
Insert into select:       21.4 seconds inserted 10000000 Rows, about 467K ops/s

[amorynan]

run p0