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Fix discriminator type field update for custom discriminator model name #12947

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merged 1 commit into from
Feb 3, 2023
Merged

Fix discriminator type field update for custom discriminator model name #12947

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4 changes: 3 additions & 1 deletion lib/query.js
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Original file line number Diff line number Diff line change
Expand Up @@ -5100,7 +5100,9 @@ Query.prototype._castUpdate = function _castUpdate(obj, overwrite) {
if (this._mongooseOptions.overwriteDiscriminatorKey &&
obj[discriminatorKey] != null &&
baseSchema.discriminators) {
const _schema = baseSchema.discriminators[obj[discriminatorKey]];
const _schema = Object.values(baseSchema.discriminators).find(
discriminator => discriminator.discriminatorMapping.value === obj[discriminatorKey]
);
if (_schema != null) {
schema = _schema;
}
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4 changes: 2 additions & 2 deletions test/model.update.test.js
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Expand Up @@ -3288,10 +3288,10 @@ describe('model: updateOne: ', function() {
const baseModel = db.model('Test', baseSchema);

const aSchema = Schema({ aThing: Number }, { _id: false, id: false });
const aModel = baseModel.discriminator('A', aSchema);
const aModel = baseModel.discriminator('discriminator-A', aSchema, 'A');

const bSchema = new Schema({ bThing: String }, { _id: false, id: false });
const bModel = baseModel.discriminator('B', bSchema);
const bModel = baseModel.discriminator('discriminator-B', bSchema, 'B');

// Model is created as a type A
let doc = await baseModel.create({ type: 'A', aThing: 1 });
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