Express_Crud_Example/node_modules/mongodb/src/bulk/unordered.ts
2022-01-28 22:33:42 +01:00

110 lines
3.9 KiB
TypeScript

import type { Document } from '../bson';
import * as BSON from '../bson';
import type { Collection } from '../collection';
import { MongoInvalidArgumentError } from '../error';
import type { DeleteStatement } from '../operations/delete';
import type { UpdateStatement } from '../operations/update';
import type { Callback } from '../utils';
import { Batch, BatchType, BulkOperationBase, BulkWriteOptions, BulkWriteResult } from './common';
/** @public */
export class UnorderedBulkOperation extends BulkOperationBase {
constructor(collection: Collection, options: BulkWriteOptions) {
super(collection, options, false);
}
handleWriteError(callback: Callback, writeResult: BulkWriteResult): boolean | undefined {
if (this.s.batches.length) {
return false;
}
return super.handleWriteError(callback, writeResult);
}
addToOperationsList(
batchType: BatchType,
document: Document | UpdateStatement | DeleteStatement
): this {
// Get the bsonSize
const bsonSize = BSON.calculateObjectSize(document, {
checkKeys: false,
// Since we don't know what the user selected for BSON options here,
// err on the safe side, and check the size with ignoreUndefined: false.
ignoreUndefined: false
} as any);
// Throw error if the doc is bigger than the max BSON size
if (bsonSize >= this.s.maxBsonObjectSize) {
// TODO(NODE-3483): Change this to MongoBSONError
throw new MongoInvalidArgumentError(
`Document is larger than the maximum size ${this.s.maxBsonObjectSize}`
);
}
// Holds the current batch
this.s.currentBatch = undefined;
// Get the right type of batch
if (batchType === BatchType.INSERT) {
this.s.currentBatch = this.s.currentInsertBatch;
} else if (batchType === BatchType.UPDATE) {
this.s.currentBatch = this.s.currentUpdateBatch;
} else if (batchType === BatchType.DELETE) {
this.s.currentBatch = this.s.currentRemoveBatch;
}
const maxKeySize = this.s.maxKeySize;
// Create a new batch object if we don't have a current one
if (this.s.currentBatch == null) {
this.s.currentBatch = new Batch(batchType, this.s.currentIndex);
}
// Check if we need to create a new batch
if (
// New batch if we exceed the max batch op size
this.s.currentBatch.size + 1 >= this.s.maxWriteBatchSize ||
// New batch if we exceed the maxBatchSizeBytes. Only matters if batch already has a doc,
// since we can't sent an empty batch
(this.s.currentBatch.size > 0 &&
this.s.currentBatch.sizeBytes + maxKeySize + bsonSize >= this.s.maxBatchSizeBytes) ||
// New batch if the new op does not have the same op type as the current batch
this.s.currentBatch.batchType !== batchType
) {
// Save the batch to the execution stack
this.s.batches.push(this.s.currentBatch);
// Create a new batch
this.s.currentBatch = new Batch(batchType, this.s.currentIndex);
}
// We have an array of documents
if (Array.isArray(document)) {
throw new MongoInvalidArgumentError('Operation passed in cannot be an Array');
}
this.s.currentBatch.operations.push(document);
this.s.currentBatch.originalIndexes.push(this.s.currentIndex);
this.s.currentIndex = this.s.currentIndex + 1;
// Save back the current Batch to the right type
if (batchType === BatchType.INSERT) {
this.s.currentInsertBatch = this.s.currentBatch;
this.s.bulkResult.insertedIds.push({
index: this.s.bulkResult.insertedIds.length,
_id: (document as Document)._id
});
} else if (batchType === BatchType.UPDATE) {
this.s.currentUpdateBatch = this.s.currentBatch;
} else if (batchType === BatchType.DELETE) {
this.s.currentRemoveBatch = this.s.currentBatch;
}
// Update current batch size
this.s.currentBatch.size += 1;
this.s.currentBatch.sizeBytes += maxKeySize + bsonSize;
return this;
}
}