itsscb/sqlx
1
0
Fork 0
mirror of https://github.com/launchbadge/sqlx.git synced 2025-10-02 07:21:08 +00:00
Code Issues Packages Projects Releases Wiki Activity

docs: clarify relationship between query_as! and FromRow (#1977)

Browse Source
This commit is contained in:
Austin Bonander 2022-07-15 13:06:37 -07:00 committed by GitHub
parent dbb1feebda
commit d7277f41eb
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/macros.rs
View File

@ -399,10 +399,13 @@ macro_rules! query_file_unchecked (
///
/// This lets you return the struct from a function or add your own trait implementations.
///
/// **No trait implementations are required**; the macro maps rows using a struct literal
/// where the names of columns in the query are expected to be the same as the fields of the struct
/// (but the order does not need to be the same). The types of the columns are based on the
/// query and not the corresponding fields of the struct, so this is type-safe as well.
/// **This macro does not use [`FromRow`][crate::FromRow]**; in fact, no trait implementations are
/// required at all, though this may change in future versions.
///
/// The macro maps rows using a struct literal where the names of columns in the query are expected
/// to be the same as the fields of the struct (but the order does not need to be the same).
/// The types of the columns are based on the query and not the corresponding fields of the struct,
/// so this is type-safe as well.
///
/// This enforces a few things:
/// * The query must output at least one column.