write sqlc query for every command

[swuecho]

https://docs.sqlc.dev/en/latest/reference/query-annotations.html

[swuecho]

• [x] one
• [x] many
• [x] exec
• [ ] execresult
• [x] execrows
• [ ] execlastid
• [ ] batchexec
• [ ] batchone
• [ ] batchmany

[swuecho]

the mostly used three are supported so far