[Fix](Row store) support decimal256 type

[eldenmoon]

Proposed changes

Issue Number: close #xxx

Further comments

If this is a relatively large or complex change, kick off the discussion at dev@doris.apache.org by explaining why you chose the solution you did and what alternatives you considered, etc...

[doris-robot]

Thank you for your contribution to Apache Doris.
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[eldenmoon]

run buildall

[github-actions]

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

[doris-robot]

TPC-H: Total hot run time: 39893 ms

machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
scripts: https://github.com/apache/doris/tree/master/tools/tpch-tools
Tpch sf100 test result on commit bd57cf1fbcace5ab9f283db768bb2ddd5083f1b8, data reload: false

------ Round 1 ----------------------------------
q1	17786	5020	4255	4255
q2	2027	186	193	186
q3	10475	1146	1211	1146
q4	10142	895	799	799
q5	7474	2663	2672	2663
q6	212	131	132	131
q7	981	581	570	570
q8	9211	2102	2087	2087
q9	8965	6537	6510	6510
q10	8870	3716	3740	3716
q11	442	234	239	234
q12	408	224	225	224
q13	17777	2961	2966	2961
q14	256	222	227	222
q15	524	481	475	475
q16	500	396	380	380
q17	973	590	748	590
q18	8169	7501	7567	7501
q19	5724	1554	1476	1476
q20	640	310	315	310
q21	4983	3171	4023	3171
q22	364	287	286	286
Total cold run time: 116903 ms
Total hot run time: 39893 ms

----- Round 2, with runtime_filter_mode=off -----
q1	4357	4240	4205	4205
q2	366	273	266	266
q3	2969	2753	2723	2723
q4	1886	1581	1529	1529
q5	5276	5288	5310	5288
q6	215	127	128	127
q7	2259	1830	1857	1830
q8	3217	3370	3342	3342
q9	8418	8366	8360	8360
q10	3895	3743	3693	3693
q11	574	479	488	479
q12	791	592	596	592
q13	17424	2971	3015	2971
q14	292	267	265	265
q15	531	475	482	475
q16	487	424	426	424
q17	1794	1493	1485	1485
q18	7836	7499	7530	7499
q19	1695	1553	1609	1553
q20	1973	1791	1775	1775
q21	5059	4859	4861	4859
q22	568	476	478	476
Total cold run time: 71882 ms
Total hot run time: 54216 ms

[doris-robot]

TPC-DS: Total hot run time: 186803 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 bd57cf1fbcace5ab9f283db768bb2ddd5083f1b8, data reload: false

query1	901	392	370	370
query2	6462	2325	2374	2325
query3	6652	214	214	214
query4	25447	21303	21143	21143
query5	4152	420	423	420
query6	266	179	169	169
query7	4582	295	288	288
query8	243	188	181	181
query9	8389	2427	2410	2410
query10	443	253	258	253
query11	14699	14203	14216	14203
query12	138	95	91	91
query13	1637	392	381	381
query14	9934	6966	7095	6966
query15	206	176	175	175
query16	7829	256	256	256
query17	1804	552	568	552
query18	1955	278	276	276
query19	196	144	154	144
query20	94	85	86	85
query21	192	131	126	126
query22	5051	4907	4840	4840
query23	34122	33421	33450	33421
query24	12027	2894	2843	2843
query25	676	363	368	363
query26	1838	155	155	155
query27	3205	322	324	322
query28	7777	2054	2044	2044
query29	1151	616	602	602
query30	283	175	180	175
query31	968	776	743	743
query32	94	53	53	53
query33	738	249	246	246
query34	1101	483	490	483
query35	851	677	658	658
query36	1077	902	930	902
query37	279	73	74	73
query38	2894	2817	2804	2804
query39	1629	1548	1554	1548
query40	280	127	127	127
query41	48	45	48	45
query42	104	98	99	98
query43	585	559	582	559
query44	1192	723	739	723
query45	279	257	254	254
query46	1070	789	718	718
query47	1958	1917	1909	1909
query48	356	302	284	284
query49	1194	416	403	403
query50	766	383	393	383
query51	6782	6826	6857	6826
query52	108	86	93	86
query53	354	281	278	278
query54	940	440	424	424
query55	72	72	72	72
query56	247	225	224	224
query57	1237	1158	1156	1156
query58	218	209	207	207
query59	3671	3379	3396	3379
query60	262	239	238	238
query61	121	89	87	87
query62	663	503	480	480
query63	314	289	290	289
query64	9737	7407	7414	7407
query65	3172	3101	3078	3078
query66	1378	409	349	349
query67	15432	14954	15109	14954
query68	4532	533	539	533
query69	484	321	312	312
query70	1151	1148	1110	1110
query71	411	272	282	272
query72	7152	2571	2377	2377
query73	708	331	338	331
query74	6512	6074	6066	6066
query75	3317	2618	2581	2581
query76	2571	953	1047	953
query77	409	266	266	266
query78	10631	10202	9987	9987
query79	1641	522	517	517
query80	711	432	438	432
query81	511	247	251	247
query82	839	100	97	97
query83	190	165	167	165
query84	239	88	91	88
query85	1448	351	271	271
query86	458	317	293	293
query87	3350	3124	3086	3086
query88	3867	2395	2401	2395
query89	465	382	386	382
query90	1990	189	192	189
query91	125	97	96	96
query92	58	48	50	48
query93	1530	503	499	499
query94	1139	181	186	181
query95	398	308	302	302
query96	574	266	264	264
query97	3135	3032	3051	3032
query98	239	224	218	218
query99	1168	893	873	873
Total cold run time: 286475 ms
Total hot run time: 186803 ms

[doris-robot]

TeamCity be ut coverage result:
Function Coverage: 35.65% (8982/25192)
Line Coverage: 27.32% (74260/271808)
Region Coverage: 26.55% (38375/144522)
Branch Coverage: 23.37% (19569/83738)
Coverage Report: http://coverage.selectdb-in.cc/coverage/bd57cf1fbcace5ab9f283db768bb2ddd5083f1b8_bd57cf1fbcace5ab9f283db768bb2ddd5083f1b8/report/index.html

[doris-robot]

ClickBench: Total hot run time: 30.25 s

machine: 'aliyun_ecs.c7a.8xlarge_32C64G'
scripts: https://github.com/apache/doris/tree/master/tools/clickbench-tools
ClickBench test result on commit bd57cf1fbcace5ab9f283db768bb2ddd5083f1b8, data reload: false

query1	0.04	0.03	0.04
query2	0.08	0.04	0.05
query3	0.23	0.05	0.05
query4	1.66	0.07	0.07
query5	0.52	0.49	0.50
query6	1.13	0.72	0.72
query7	0.02	0.01	0.02
query8	0.05	0.04	0.04
query9	0.54	0.50	0.49
query10	0.54	0.53	0.53
query11	0.15	0.10	0.11
query12	0.15	0.12	0.12
query13	0.59	0.58	0.61
query14	0.76	0.77	0.80
query15	0.83	0.81	0.81
query16	0.38	0.35	0.36
query17	0.94	0.94	0.97
query18	0.22	0.25	0.21
query19	1.79	1.74	1.80
query20	0.02	0.01	0.01
query21	15.44	0.70	0.66
query22	4.59	7.15	1.86
query23	18.60	1.36	1.28
query24	2.09	0.21	0.22
query25	0.15	0.09	0.08
query26	0.25	0.16	0.16
query27	0.09	0.09	0.08
query28	13.40	1.01	1.02
query29	13.20	3.21	3.19
query30	0.24	0.05	0.06
query31	2.86	0.39	0.36
query32	3.31	0.47	0.46
query33	2.82	2.87	2.84
query34	17.09	4.36	4.41
query35	4.50	4.50	4.49
query36	0.64	0.47	0.46
query37	0.18	0.16	0.16
query38	0.16	0.14	0.14
query39	0.04	0.04	0.04
query40	0.17	0.13	0.13
query41	0.10	0.05	0.05
query42	0.05	0.04	0.04
query43	0.04	0.04	0.04
Total cold run time: 110.65 s
Total hot run time: 30.25 s

[github-actions]

PR approved by at least one committer and no changes requested.

[github-actions]

PR approved by anyone and no changes requested.