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Add custom names for fields in database #504

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3af077b
feat(orm): add support for raw (`r#`) model and field names
m4tx Feb 21, 2026
98c6f96
cleanup
m4tx Feb 26, 2026
404d462
Merge branch 'master' into raw-field-names
m4tx Feb 26, 2026
8f3d0f1
feat: add field_name to field opts
xelab04 Mar 9, 2026
cec3f11
add tests for custom field name
xelab04 Mar 9, 2026
815b716
Merge branch 'master' into raw-field-names
xelab04 Mar 13, 2026
cf54964
Merge branch 'master' into raw-field-names
seqre Mar 15, 2026
258ef77
fix test missing field_name
xelab04 Mar 15, 2026
3e96bba
fix mistaken addition of import
xelab04 Mar 15, 2026
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6 changes: 0 additions & 6 deletions cot-cli/tests/migration_generator/keywords.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,9 +7,3 @@ struct r#const {
r#abstract: String,
r#type: i32,
}

#[model(table_name = "use")]
struct TestModel {
#[model(primary_key)]
id: Auto<i32>,
}
28 changes: 23 additions & 5 deletions cot-codegen/src/model.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -146,6 +146,7 @@ pub struct FieldOpts {
pub ty: syn::Type,
pub primary_key: darling::util::Flag,
pub unique: darling::util::Flag,
pub field_name: Option<String>,
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@ElijahAhianyo ElijahAhianyo Mar 23, 2026

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Nice, also please add this field to the docs here

cot/cot-macros/src/lib.rs

Line 47 in 460b273

/// Implement the [`Model`] trait for a struct.
with an example of how to use this

}

impl FieldOpts {
Expand Down Expand Up @@ -205,11 +206,13 @@ impl FieldOpts {
symbol_resolver: &SymbolResolver,
self_reference: Option<&String>,
) -> Result<Field, syn::Error> {
let name = self
.ident
.clone()
.expect("Only named struct fields are supported");
let column_name = name.unraw().to_string();
let name = self.ident.clone().expect("Only structs are supported");

let column_name = if let Some(specified_field_name) = &self.field_name {
specified_field_name.clone()
} else {
name.unraw().to_string()
};

let (auto_value, foreign_key) = (
self.find_type("cot::db::Auto", symbol_resolver).is_some(),
Expand Down Expand Up @@ -492,6 +495,20 @@ mod tests {
assert_eq!(field.column_name, "abstract");
}

#[test]
fn field_opts_specified_field_name() {
let input: syn::Field = parse_quote! {
#[model(field_name="test_field")]
test: String
};
let field_opts = FieldOpts::from_field(&input).unwrap();
let field = field_opts
.as_field(&SymbolResolver::new(vec![]), Some(&"TestModel".to_string()))
.unwrap();
assert_eq!(field.name.to_string(), "test");
assert_eq!(field.column_name, "test_field");
}

#[test]
fn find_type_resolved() {
let input: syn::Type =
Expand All @@ -516,6 +533,7 @@ mod tests {
ty: parse_quote! { MyContainer<std::string::String> },
primary_key: darling::util::Flag::default(),
unique: darling::util::Flag::default(),
field_name: None,
};

assert!(opts.find_type("my_crate::MyContainer", &resolver).is_some());
Expand Down
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