Add in_memory constructor for rust database and API docs for in-memory mode

[benjaminwinger]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.91%. Comparing base (700b10f) to head (a842014).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4094      +/-   ##
==========================================
+ Coverage   83.89%   83.91%   +0.01%     
==========================================
  Files        1304     1303       -1     
  Lines       51358    51387      +29     
  Branches     7142     7144       +2     
==========================================
+ Hits        43088    43119      +31     
+ Misses       8124     8122       -2     
  Partials      146      146              

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[github-actions]

Benchmark Result

Master commit hash: 9a97f751f564af17cf0a5d53b9155364f8efc587
Branch commit hash: 9410b17bd941a7254403fe9e9cfa3c6423184dfe

Query Group	Query Name	Mean Time - Commit (ms)	Mean Time - Master (ms)	Diff
aggregation	q24	677.44	676.76	0.68 (0.10%)
aggregation	q28	12055.05	11527.85	527.20 (4.57%)
filter	q14	150.23	150.65	-0.42 (-0.28%)
filter	q15	156.15	152.08	4.07 (2.68%)
filter	q16	326.18	324.59	1.59 (0.49%)
filter	q17	471.44	471.50	-0.06 (-0.01%)
filter	q18	1967.05	1969.06	-2.01 (-0.10%)
fixed_size_expr_evaluator	q07	562.14	565.76	-3.62 (-0.64%)
fixed_size_expr_evaluator	q08	771.00	775.72	-4.72 (-0.61%)
fixed_size_expr_evaluator	q09	773.84	772.79	1.05 (0.14%)
fixed_size_expr_evaluator	q10	264.87	264.27	0.60 (0.23%)
fixed_size_expr_evaluator	q11	259.41	262.37	-2.96 (-1.13%)
fixed_size_expr_evaluator	q12	262.40	258.56	3.84 (1.49%)
fixed_size_expr_evaluator	q13	1516.21	1488.27	27.94 (1.88%)
fixed_size_seq_scan	q23	145.16	148.50	-3.33 (-2.24%)
join	q31	12.31	11.91	0.40 (3.40%)
ldbc_snb_ic	q35	872.91	837.67	35.24 (4.21%)
ldbc_snb_ic	q36	48.72	30.43	18.29 (60.09%)
ldbc_snb_is	q32	10.60	10.30	0.30 (2.96%)
ldbc_snb_is	q33	16.31	16.19	0.13 (0.79%)
ldbc_snb_is	q34	8.65	8.50	0.16 (1.84%)
multi-rel	multi-rel-large-scan	2778.92	2754.35	24.57 (0.89%)
multi-rel	multi-rel-lookup	76.90	53.73	23.18 (43.14%)
multi-rel	multi-rel-small-scan	50.68	48.56	2.13 (4.38%)
order_by	q25	155.75	156.59	-0.84 (-0.54%)
order_by	q26	487.58	478.09	9.49 (1.98%)
order_by	q27	1434.77	1435.62	-0.84 (-0.06%)
scan_after_filter	q01	199.16	197.75	1.41 (0.71%)
scan_after_filter	q02	186.46	187.73	-1.27 (-0.68%)
shortest_path_ldbc100	q39	51.33	52.93	-1.60 (-3.02%)
var_size_expr_evaluator	q03	2099.59	2091.88	7.71 (0.37%)
var_size_expr_evaluator	q04	2321.83	2297.03	24.79 (1.08%)
var_size_expr_evaluator	q05	2716.65	2702.27	14.38 (0.53%)
var_size_expr_evaluator	q06	1389.33	1360.33	28.99 (2.13%)
var_size_seq_scan	q19	1485.85	1484.50	1.35 (0.09%)
var_size_seq_scan	q20	3136.43	3158.79	-22.35 (-0.71%)
var_size_seq_scan	q21	2458.42	2405.72	52.70 (2.19%)
var_size_seq_scan	q22	136.16	133.80	2.37 (1.77%)