Struct ModelConfig 

pub struct ModelConfig {
    pub table: bool,
    pub from_attributes: bool,
    pub validate_assignment: bool,
    pub extra: ExtraFieldsBehavior,
    pub strict: bool,
    pub populate_by_name: bool,
    pub use_enum_values: bool,
    pub arbitrary_types_allowed: bool,
    pub defer_build: bool,
    pub revalidate_instances: bool,
    pub json_schema_extra: Option<&'static str>,
    pub title: Option<&'static str>,
}

Model-level configuration matching Pydantic’s model_config.

This struct holds configuration options that affect model behavior during validation, serialization, and database operations.

Example

#[derive(Model)]
#[sqlmodel(
    table,
    from_attributes,
    validate_assignment,
    extra = "forbid",
    strict,
    populate_by_name,
    use_enum_values
)]
struct User {
    // ...
}

Fields

table: bool

Whether this model maps to a database table. If true, DDL can be generated for this model.

from_attributes: bool

Allow reading data from object attributes (ORM mode). When true, model_validate can accept objects with attributes in addition to dicts.

validate_assignment: bool

Validate field values when they are assigned. When true, assignment to fields triggers validation.

extra: ExtraFieldsBehavior

How to handle extra fields during validation.

strict: bool

Enable strict type checking during validation. When true, types must match exactly (no coercion).

populate_by_name: bool

Allow populating fields by either name or alias. When true, both the field name and any aliases are accepted during deserialization.

use_enum_values: bool

Use enum values instead of names during serialization. When true, enum fields serialize to their underlying values rather than variant names.

arbitrary_types_allowed: bool

Allow arbitrary types in fields. When true, fields can use types that aren’t natively supported by the validation system.

defer_build: bool

Defer model validation to allow forward references. When true, validation of field types is deferred until the model is first used.

revalidate_instances: bool

Revalidate instances when converting to this model. Controls whether existing model instances are revalidated.

json_schema_extra: Option<&'static str>

Custom JSON schema extra data. Additional data to include in generated JSON schema.

title: Option<&'static str>

Title for JSON schema generation.

Implementations

impl ModelConfig

pub const fn new() -> Self

Create a new ModelConfig with all defaults.

pub const fn table() -> Self

Create a config for a database table model.

Trait Implementations

impl Clone for ModelConfig

fn clone(&self) -> ModelConfig

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ModelConfig

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for ModelConfig

fn default() -> ModelConfig

Returns the “default value” for a type.