The following function is used to update documents prototype.write , prototype.remove , and prototype.lockForUpdate methods.
Function name | Description |
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op.lockForUpdate | Gets an early lock on documents that will be updated later in the pipeline with an operation like remove() or write(). |
op.remove | This method deletes a document from the database. |
op.write | Inserts or overwrites the documents identified by the uri column with the data supplied by the other document descriptor columns. |