Function getDiscriminatorField

packages/orm/src/client/query-utils.ts:453–464

(schema: SchemaDef, model: string)

}

export function getDiscriminatorField(schema: SchemaDef, model: string) {
    const modelDef = requireModel(schema, model);
    const delegateAttr = modelDef.attributes?.find((attr) => attr.name === '@@delegate');
    if (!delegateAttr) {
        return undefined;
    }
    const discriminator = delegateAttr.args?.find((arg) => arg.name === 'discriminator');
    if (!discriminator || !ExpressionUtils.isField(discriminator.value)) {
        throw createInternalError(`Discriminator field not defined for model "${model}"`, model);
    }
    return discriminator.value.field;
}

export function getDelegateDiscriminatorValue(schema: SchemaDef, model: string) {
    const modelDef = requireModel(schema, model);