clean metadata cache

[XiangpengHao]

Latest data fusion already has metadata cache, so we don't need to do it again.

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
0 new issues

View in Codacy

🟢 Metrics -8 complexity · 4 duplication

Metric	Results
Complexity	-8
Duplication	4

View in Codacy

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[codecov]

Codecov Report

❌ Patch coverage is 92.79279% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.54%. Comparing base (7c4933f) to head (fd30a33).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/datafusion/src/reader/plantime/morselizer.rs	95.12%	0 Missing and 4 partials ⚠️
src/datafusion/src/cache/stats.rs	0.00%	0 Missing and 2 partials ⚠️
...tafusion/src/reader/runtime/liquid_cache_reader.rs	88.88%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #519      +/-   ##
==========================================
+ Coverage   82.49%   82.54%   +0.04%     
==========================================
  Files          66       66              
  Lines       11872    11799      -73     
  Branches    11872    11799      -73     
==========================================
- Hits         9794     9739      -55     
+ Misses       1830     1812      -18     
  Partials      248      248              

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[github-actions]

📊 Benchmark Comparison

Current: 720f7ccf (Liquid) vs Baseline: 720f7ccf (DataFusionDefault)

Query	Cold Time	Δ	Warm Time	Δ	CPU Time	Δ
Q1	3.0ms (3.0ms)	+0.0%	0.000ms (0.000ms)	+0.0%	0.000ms (0.000ms)	+0.0%
Q2	11.0ms (7.0ms)	+57.1%	6.5ms (6.0ms)	+8.3%	7.5ms (6.0ms)	+25.0%
Q3	17.0ms (14.0ms)	+21.4%	6.0ms (11.5ms)	-47.8%	4.5ms (22.5ms)	-80.0%
Q4	17.0ms (12.0ms)	+41.7%	4.0ms (11.0ms)	-63.6%	3.5ms (24.0ms)	-85.4%
Q5	66.0ms (47.0ms)	+40.4%	52.0ms (51.0ms)	+2.0%	5.5ms (25.5ms)	-78.4%
Q6	245.0ms (100.0ms)	+145.0%	87.0ms (102.0ms)	-14.7%	29.5ms (79.5ms)	-62.9%
Q7	1.0ms (1.0ms)	+0.0%	1.0ms (1.0ms)	+0.0%	0.000ms (0.000ms)	+0.0%
Q8	11.0ms (6.0ms)	+83.3%	6.0ms (5.5ms)	+9.1%	9.5ms (6.0ms)	+58.3%
Q9	111.0ms (88.0ms)	+26.1%	84.5ms (82.5ms)	+2.4%	5.0ms (43.0ms)	-88.4%
Q10	107.0ms (88.0ms)	+21.6%	85.5ms (84.0ms)	+1.8%	9.0ms (60.5ms)	-85.1%
Q11	56.0ms (26.0ms)	+115.4%	24.0ms (25.0ms)	-4.0%	44.5ms (36.0ms)	+23.6%
Q12	54.0ms (28.0ms)	+92.9%	25.0ms (29.0ms)	-13.8%	44.0ms (45.5ms)	-3.3%
Q13	212.0ms (112.0ms)	+89.3%	101.5ms (106.0ms)	-4.2%	59.0ms (81.5ms)	-27.6%
Q14	589.0ms (131.0ms)	+349.6%	138.0ms (134.0ms)	+3.0%	83.0ms (104.5ms)	-20.6%
Q15	392.0ms (100.0ms)	+292.0%	109.0ms (98.5ms)	+10.7%	75.0ms (93.5ms)	-19.8%
Q16	125.0ms (95.0ms)	+31.6%	115.5ms (97.5ms)	+18.5%	4.0ms (25.0ms)	-84.0%
Q17	688.0ms (204.0ms)	+237.3%	257.0ms (208.5ms)	+23.3%	97.0ms (104.0ms)	-6.7%
Q18	645.0ms (203.0ms)	+217.7%	221.0ms (204.0ms)	+8.3%	69.0ms (103.5ms)	-33.3%
Q19	920.0ms (434.0ms)	+112.0%	380.0ms (382.0ms)	-0.5%	95.0ms (151.5ms)	-37.3%
Q20	16.0ms (12.0ms)	+33.3%	3.5ms (12.0ms)	-70.8%	8.0ms (23.5ms)	-66.0%
Q21	613.0ms (170.0ms)	+260.6%	469.5ms (174.5ms)	+169.1%	307.0ms (270.0ms)	+13.7%
Q22	1.01s (173.0ms)	+483.8%	602.0ms (164.0ms)	+267.1%	174.5ms (337.5ms)	-48.3%
Q23	2.00s (451.0ms)	+343.2%	1.67s (460.0ms)	+263.6%	530.0ms (727.5ms)	-27.1%
Q24	25.09s (865.0ms)	+2800.9%	988.5ms (896.0ms)	+10.3%	596.5ms (2.48s)	-75.9%
Q25	295.0ms (72.0ms)	+309.7%	17.0ms (58.5ms)	-70.9%	46.5ms (120.0ms)	-61.3%
Q26	129.0ms (47.0ms)	+174.5%	19.5ms (46.5ms)	-58.1%	51.5ms (82.5ms)	-37.6%
Q27	291.0ms (59.0ms)	+393.2%	25.0ms (60.0ms)	-58.3%	75.0ms (119.0ms)	-37.0%
Q28	789.0ms (214.0ms)	+268.7%	945.5ms (217.5ms)	+334.7%	218.0ms (268.0ms)	-18.7%
Q29	1.45s (997.0ms)	+44.9%	944.5ms (993.5ms)	-4.9%	385.5ms (348.0ms)	+10.8%
Q30	32.0ms (27.0ms)	+18.5%	24.0ms (26.0ms)	-7.7%	6.0ms (21.0ms)	-71.4%
Q31	623.0ms (110.0ms)	+466.4%	78.0ms (99.5ms)	-21.6%	73.5ms (140.0ms)	-47.5%
Q32	946.0ms (92.0ms)	+928.3%	114.5ms (93.5ms)	+22.5%	105.5ms (142.5ms)	-26.0%
Q33	319.0ms (311.0ms)	+2.6%	295.0ms (305.5ms)	-3.4%	8.0ms (70.5ms)	-88.7%
Q34	835.0ms (381.0ms)	+119.2%	470.5ms (382.5ms)	+23.0%	134.5ms (267.0ms)	-49.6%
Q35	806.0ms (379.0ms)	+112.7%	467.0ms (388.0ms)	+20.4%	129.5ms (263.5ms)	-50.9%
Q36	93.0ms (97.0ms)	-4.1%	83.5ms (97.0ms)	-13.9%	4.0ms (24.0ms)	-83.3%
Q37	304.0ms (99.0ms)	+207.1%	76.5ms (95.5ms)	-19.9%	31.0ms (70.5ms)	-56.0%
Q38	76.0ms (42.0ms)	+81.0%	30.0ms (42.5ms)	-29.4%	20.5ms (24.0ms)	-14.6%
Q39	281.0ms (49.0ms)	+473.5%	24.0ms (45.5ms)	-47.3%	18.5ms (69.5ms)	-73.4%
Q40	700.0ms (179.0ms)	+291.1%	209.0ms (179.5ms)	+16.4%	58.5ms (126.5ms)	-53.8%
Q41	22.0ms (21.0ms)	+4.8%	11.0ms (19.5ms)	-43.6%	7.0ms (17.5ms)	-60.0%
Q42	23.0ms (18.0ms)	+27.8%	9.5ms (18.5ms)	-48.6%	6.5ms (15.5ms)	-58.1%
Q43	17.0ms (14.0ms)	+21.4%	11.0ms (14.5ms)	-24.1%	7.0ms (10.0ms)	-30.0%

⚠️ LiquidCache is slower on 10 queries (warm)

• Q28: warm +334.7% (945.5ms vs 217.5ms)
• Q22: warm +267.1% (602.0ms vs 164.0ms)
• Q23: warm +263.6% (1.67s vs 460.0ms)
• Q21: warm +169.1% (469.5ms vs 174.5ms)
• Q17: warm +23.3% (257.0ms vs 208.5ms)
• Q34: warm +23.0% (470.5ms vs 382.5ms)
• Q32: warm +22.5% (114.5ms vs 93.5ms)
• Q35: warm +20.4% (467.0ms vs 388.0ms)
• Q16: warm +18.5% (115.5ms vs 97.5ms)
• Q40: warm +16.4% (209.0ms vs 179.5ms)

Compared Liquid vs DataFusionDefault on the same runner
Regressions: warm-time increases of at least 15%. Cold Time: first iteration; Warm Time: median of remaining iterations.