移植的sqlite 版本是 3.38.2
目录结构：
E:.
│ .gitignore
│ CMakeLists.txt
│ config.h
│ main.c
│ shell.c
│ sqlite3.c
│ sqlite3.h
│ sqlite3382_port.pro
│ sqlite3ext.h
│ sqlite3_demo.c
│
└─port
os_quec_rtos.c
os_win.cconfig.h 是编译配置
sqlite3.c 和 os_quec_rtos.c 是参与编译的数据库源码
sqlite3_demo.c 是例程
main.c、shell.c 和 os_win.c 是 windows 环境下的适配代码，去掉了原来的系统调用，编译环境使用QT，工程文件 sqlite3382_port.pro，用来调试验证。
FLAGS_WAL_enabled
FLAGS_WAL_disabled
windows
SQLite: version 3.38.2
Keys: 16 bytes each
Values: 100 bytes each
Entries: 1000000
RawSize: 110.6 MB (estimated)
------------------------------------------------
fillseq : 48.647 micros/op; 2.3 MB/s
fillseqsync : 59.896 micros/op; 1.8 MB/s
fillseqbatch : 2.543 micros/op; 43.5 MB/s
fillrandom : 69.527 micros/op; 1.6 MB/s
fillrandsync : 73.792 micros/op; 1.5 MB/s
fillrandbatch : 39.262 micros/op; 2.8 MB/s
overwrite : 81.093 micros/op; 1.4 MB/s
overwritebatch : 67.556 micros/op; 1.6 MB/s
readrandom : 17.090 micros/op;
readseq : 9.226 micros/op;
fillrand100K : 684.756 micros/op; 139.3 MB/s
fillseq100K : 357.854 micros/op; 266.5 MB/s
readseq : 1.071 micros/op;
readrand100K : 104.038 micros/op;
[SQLITE_BENCHMARK][print_header, 83] Keys: 16 bytes each
[SQLITE_BENCHMARK][print_header, 84] Values: 100 bytes each
[SQLITE_BENCHMARK][print_header, 85] Entries: 10000
[SQLITE_BENCHMARK][print_header, 90] RawSize: 1.1 MB (estimated)
[SQLITE_BENCHMARK][print_header, 100] ------------------------------------------------
[SQLITE_BENCHMARK][stop, 260] fillseq : 20789.218 micros/op; 0.0 MB/s
[SQLITE_BENCHMARK][stop, 260] fillseqsync : 27314.350 micros/op; 4.1 KB/s
[SQLITE_BENCHMARK][stop, 260] fillseqbatch : 435.871 micros/op; 0.3 MB/s
[SQLITE_BENCHMARK][stop, 260] fillrandom : 23037.926 micros/op; 0.0 MB/s
[SQLITE_BENCHMARK][stop, 260] fillrandsync : 29932.300 micros/op; 3.8 KB/s
[SQLITE_BENCHMARK][stop, 260] fillrandbatch : 1580.524 micros/op; 0.1 MB/s
[SQLITE_BENCHMARK][stop, 260] overwrite : 26647.519 micros/op; 0.0 MB/s
[SQLITE_BENCHMARK][stop, 260] overwritebatch : 4213.014 micros/op; 0.0 MB/s
[SQLITE_BENCHMARK][stop, 260] readrandom : 458.730 micros/op;
[SQLITE_BENCHMARK][stop, 260] readseq : 330.616 micros/op;
[SQLITE_BENCHMARK][stop, 260] fillrand100K : 103089.200 micros/op; 947.5 KB/s
[SQLITE_BENCHMARK][stop, 260] fillseq100K : 77742.000 micros/op; 1256.4 KB/s
[SQLITE_BENCHMARK][stop, 260] readseq : 104.483 micros/op;
[SQLITE_BENCHMARK][stop, 260] readrand100K : 2577.800 micros/op;
[SQLITE_BENCHMARK][print_header, 83] Keys: 16 bytes each
[SQLITE_BENCHMARK][print_header, 84] Values: 300 bytes each
[SQLITE_BENCHMARK][print_header, 85] Entries: 10000
[SQLITE_BENCHMARK][print_header, 90] RawSize: 3.0 MB (estimated)
[SQLITE_BENCHMARK][print_header, 100] ------------------------------------------------
[SQLITE_BENCHMARK][stop, 260] fillseq : 21423.606 micros/op; 0.0 MB/s
[SQLITE_BENCHMARK][stop, 260] fillseqsync : 28319.560 micros/op; 10.9 KB/s
[SQLITE_BENCHMARK][stop, 260] fillseqbatch : 549.688 micros/op; 0.5 MB/s
[SQLITE_BENCHMARK][stop, 260] fillrandom : 23759.350 micros/op; 0.0 MB/s
[SQLITE_BENCHMARK][stop, 260] fillrandsync : 31382.770 micros/op; 9.8 KB/s
[SQLITE_BENCHMARK][stop, 260] fillrandbatch : 2625.611 micros/op; 0.1 MB/s
[SQLITE_BENCHMARK][stop, 260] overwrite : 28479.869 micros/op; 0.0 MB/s
[SQLITE_BENCHMARK][stop, 260] overwritebatch : 4205.833 micros/op; 0.1 MB/s
[SQLITE_BENCHMARK][stop, 260] readrandom : 1097.322 micros/op;
[SQLITE_BENCHMARK][stop, 260] readseq : 1071.910 micros/op;
[SQLITE_BENCHMARK][stop, 260] fillrand100K : 107367.300 micros/op; 909.7 KB/s
[SQLITE_BENCHMARK][stop, 260] fillseq100K : 75670.800 micros/op; 1290.7 KB/s
[SQLITE_BENCHMARK][stop, 260] readseq : 108.869 micros/op;
[SQLITE_BENCHMARK][stop, 260] readrand100K : 2580.800 micros/op;
[SQLITE_BENCHMARK][print_header, 83] Keys: 16 bytes each
[SQLITE_BENCHMARK][print_header, 84] Values: 300 bytes each
[SQLITE_BENCHMARK][print_header, 85] Entries: 10000
[SQLITE_BENCHMARK][print_header, 90] RawSize: 3.0 MB (estimated)
[SQLITE_BENCHMARK][print_header, 100] ------------------------------------------------
[SQLITE_BENCHMARK][stop, 260] fillseq : 18950.578 micros/op; 0.0 MB/s
[SQLITE_BENCHMARK][stop, 260] fillseqsync : 23917.770 micros/op; 12.9 KB/s
[SQLITE_BENCHMARK][stop, 260] fillseqbatch : 554.290 micros/op; 0.5 MB/s
[SQLITE_BENCHMARK][stop, 260] fillrandom : 20882.951 micros/op; 0.0 MB/s
[SQLITE_BENCHMARK][stop, 260] fillrandsync : 26696.140 micros/op; 11.6 KB/s
[SQLITE_BENCHMARK][stop, 260] fillrandbatch : 2332.589 micros/op; 0.1 MB/s
[SQLITE_BENCHMARK][stop, 260] overwrite : 25413.753 micros/op; 0.0 MB/s
[SQLITE_BENCHMARK][stop, 260] overwritebatch : 3899.848 micros/op; 0.1 MB/s
[SQLITE_BENCHMARK][stop, 260] readrandom : 1320.868 micros/op;
[SQLITE_BENCHMARK][stop, 260] readseq : 1296.873 micros/op;
[SQLITE_BENCHMARK][stop, 260] fillrand100K : 99357.900 micros/op; 983.0 KB/s
[SQLITE_BENCHMARK][stop, 260] fillseq100K : 70560.600 micros/op; 1384.2 KB/s
[SQLITE_BENCHMARK][stop, 260] readseq : 111.288 micros/op;
[SQLITE_BENCHMARK][stop, 260] readrand100K : 2793.800 micros/op;
SQLite: version 3.38.2
Keys: 16 bytes each
Values: 300 bytes each
Entries: 10000
RawSize: 3.0 MB (estimated)
WARNING: Optimization is disabled: benchmarks unnecessarily slow
------------------------------------------------
fillseq : 44.802 micros/op; 6.7 MB/s
fillseqsync : 50.000 micros/op; 6171.9 KB/s
fillseqbatch : 4.700 micros/op; 64.1 MB/s
fillrandom : 57.849 micros/op; 5.2 MB/s
fillrandsync : 70.000 micros/op; 4408.5 KB/s
fillrandbatch : 12.208 micros/op; 24.7 MB/s
overwrite : 92.966 micros/op; 3.2 MB/s
overwritebatch : 32.175 micros/op; 9.4 MB/s
readrandom : 8.587 micros/op;
readseq : 8.100 micros/op;
fillrand100K : 503.700 micros/op; 193908.8 KB/s
fillseq100K : 503.800 micros/op; 193870.3 KB/s
readseq : 2.100 micros/op;
readrand100K : 100.100 micros/op;