[GLUTEN-2790][CH] Fix diff between ch char and spark chr

[taiyang-li]

What changes were proposed in this pull request?

(Please fill in changes proposed in this fix)

(Fixes: #2790)

[github-actions]

#2790

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[zzcclp]

LGTM

[GlutenPerfBot]

===== Performance report for TPCDS SF2000 with Velox backend, for reference only ====

query	log/native_master_06_27_2024_time.csv	log/native_master_06_26_2024_0800596b5_time.csv	difference	percentage
q1	14.69	14.62	-0.075	99.49%
q2	19.29	17.50	-1.789	90.72%
q3	4.34	4.47	0.126	102.90%
q4	63.59	64.49	0.899	101.41%
q5	6.46	7.81	1.350	120.89%
q6	3.58	4.14	0.555	115.49%
q7	4.12	4.22	0.095	102.30%
q8	5.08	5.63	0.549	110.81%
q9	18.54	18.75	0.206	101.11%
q10	11.30	10.87	-0.437	96.13%
q11	36.94	40.96	4.016	110.87%
q12	2.41	1.58	-0.829	65.66%
q13	5.68	5.39	-0.286	94.97%
q14a	41.94	42.12	0.179	100.43%
q14b	44.07	42.17	-1.900	95.69%
q15	2.84	2.73	-0.113	96.03%
q16	39.50	38.62	-0.879	97.77%
q17	4.81	4.78	-0.032	99.33%
q18	6.24	6.43	0.189	103.02%
q19	2.39	3.14	0.744	131.07%
q20	1.42	1.65	0.231	116.23%
q21	5.68	2.69	-2.981	47.48%
q22	8.70	10.67	1.976	122.72%
q23a	87.00	84.61	-2.396	97.25%
q23b	102.16	103.24	1.080	101.06%
q24a	75.38	74.63	-0.749	99.01%
q24b	76.71	72.65	-4.057	94.71%
q25	5.95	4.74	-1.215	79.60%
q26	2.97	2.91	-0.057	98.09%
q27	3.30	9.17	5.868	277.90%
q28	23.56	22.92	-0.634	97.31%
q29	7.70	8.25	0.553	107.17%
q30	6.47	4.33	-2.137	66.97%
q31	6.23	6.31	0.074	101.19%
q32	1.10	1.22	0.124	111.28%
q33	4.84	4.83	-0.007	99.86%
q34	3.54	3.58	0.035	100.97%
q35	6.47	6.46	-0.008	99.87%
q36	3.30	3.29	-0.008	99.76%
q37	3.95	4.05	0.098	102.49%
q38	11.86	11.79	-0.070	99.41%
q39a	3.42	3.55	0.125	103.65%
q39b	2.87	2.87	-0.005	99.82%
q40	3.75	6.01	2.265	160.45%
q41	0.62	0.62	0.004	100.60%
q42	0.92	0.94	0.022	102.36%
q43	3.52	3.86	0.332	109.43%
q44	8.25	8.95	0.699	108.47%
q45	3.67	3.62	-0.046	98.76%
q46	3.31	4.60	1.291	139.05%
q47	14.71	14.25	-0.453	96.92%
q48	4.57	4.58	0.005	100.12%
q49	9.74	9.49	-0.242	97.51%
q50	23.70	22.38	-1.313	94.46%
q51	8.40	8.78	0.382	104.54%
q52	1.08	1.03	-0.052	95.21%
q53	2.03	2.01	-0.018	99.13%
q54	3.45	3.22	-0.230	93.34%
q55	1.02	0.96	-0.059	94.19%
q56	4.46	4.47	0.010	100.23%
q57	8.48	8.60	0.128	101.51%
q58	2.69	2.56	-0.126	95.33%
q59	13.96	14.06	0.099	100.71%
q60	6.49	8.08	1.591	124.53%
q61	5.72	5.76	0.032	100.56%
q62	4.55	4.44	-0.115	97.48%
q63	2.33	2.35	0.019	100.81%
q64	49.04	49.07	0.037	100.08%
q65	13.81	15.30	1.487	110.77%
q66	5.59	3.54	-2.057	63.23%
q67	349.42	348.90	-0.528	99.85%
q68	3.45	3.80	0.350	110.13%
q69	6.40	6.58	0.183	102.85%
q70	13.50	13.30	-0.205	98.48%
q71	2.02	2.37	0.354	117.53%
q72	187.82	191.80	3.980	102.12%
q73	4.45	2.70	-1.754	60.62%
q74	22.19	21.14	-1.050	95.27%
q75	23.03	23.11	0.084	100.37%
q76	9.14	9.17	0.030	100.33%
q77	2.19	2.27	0.079	103.61%
q78	41.33	41.17	-0.166	99.60%
q79	3.57	3.48	-0.095	97.33%
q80	11.02	10.95	-0.064	99.42%
q81	5.29	4.85	-0.436	91.75%
q82	9.55	9.66	0.113	101.18%
q83	1.60	1.77	0.167	110.44%
q84	2.78	2.66	-0.115	95.88%
q85	7.01	6.68	-0.331	95.28%
q86	3.21	3.35	0.141	104.39%
q87	12.23	12.18	-0.050	99.59%
q88	27.33	24.96	-2.371	91.33%
q89	3.36	3.27	-0.089	97.34%
q90	10.11	8.00	-2.104	79.18%
q91	2.62	2.58	-0.031	98.81%
q92	1.35	1.31	-0.046	96.58%
q93	28.71	29.00	0.285	100.99%
q94	21.28	21.28	-0.004	99.98%
q9	85.02	83.19	-1.831	97.85%
q5	3.53	3.78	0.248	107.01%
q96	12.38	12.45	0.077	100.62%
q97	2.16	2.01	-0.149	93.12%
q98	8.93	9.96	1.031	111.54%
q99	8.93	9.96	1.031	111.54%
total	1930.27	1928.06	-2.202	99.89%