add encoding=UTF8 pragma, refactoring (#919) #2043

Job	Run time
Build aarch64-apple-darwin	12m 3s
Build and test docker images	5m 32s
Build debian-x86_64	1m 48s
Build x86_64-apple-darwin	4m 6s
Build x86_64-pc-windows-msvc	4m 31s
Build x86_64-unknown-linux-gnu	8m 10s
Lint and Unit test	2m 49s
Test postgis:11-3.0-alpine sslmode=disable	4m 24s
Test on macOS-latest	4m 56s
Test on windows-latest	1m 37s
Test postgis:14-3.3-alpine sslmode=disable	4m 4s
Test on ubuntu-latest	56s
Test postgis:15-3.3 sslmode=require	4m 25s
Package aarch64-apple-darwin	8s
Package debian-x86_64	4s
Package x86_64-apple-darwin	18s
Package x86_64-pc-windows-msvc	16s
Package x86_64-unknown-linux-gnu	10s
Package aarch64-unknown-linux-musl	11s
Package x86_64-unknown-linux-musl	54s
CI Finished	4s
	1h 1m 26s

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