Struct EntitySchemaBuilder 

pub struct EntitySchemaBuilder { /* private fields */ }

Fluent builder for EntitySchema.

Example

use chainindex_core::entity::{EntitySchemaBuilder, FieldType};

let schema = EntitySchemaBuilder::new("swap")
    .primary_key("id")
    .field("pair", FieldType::String, true)
    .field("amount_in", FieldType::Uint64, false)
    .field("amount_out", FieldType::Uint64, false)
    .nullable_field("memo", FieldType::String, false)
    .build();

Implementations

impl EntitySchemaBuilder

pub fn new(name: impl Into<String>) -> Self

Create a new builder for an entity with the given name.

pub fn primary_key(self, pk: impl Into<String>) -> Self

Set the primary key field name (default: "id").

pub fn field( self, name: impl Into<String>, field_type: FieldType, indexed: bool, ) -> Self

Add a required (non-nullable) field.

pub fn nullable_field( self, name: impl Into<String>, field_type: FieldType, indexed: bool, ) -> Self

Add a nullable field.

pub fn build(self) -> EntitySchema

Build the EntitySchema.