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Diffstat (limited to 'Firestore/Source/Public/FIRTransaction.h')
-rw-r--r-- | Firestore/Source/Public/FIRTransaction.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Firestore/Source/Public/FIRTransaction.h b/Firestore/Source/Public/FIRTransaction.h index 2fa4430..e53414d 100644 --- a/Firestore/Source/Public/FIRTransaction.h +++ b/Firestore/Source/Public/FIRTransaction.h @@ -65,6 +65,30 @@ NS_SWIFT_NAME(Transaction) // clang-format on /** + * Writes to the document referred to by `document` and only replace the fields + * specified under `mergeFields`. Any field that is not specified in `mergeFields` + * is ignored and remains untouched. If the document doesn't yet exist, + * this method creates it and then sets the data. + * + * It is an error to include a field in `mergeFields` that does not have a corresponding + * value in the `data` dictionary. + * + * @param data An `NSDictionary` containing the fields that make up the document + * to be written. + * @param document A reference to the document whose data should be overwritten. + * @param mergeFields An `NSArray` that contains a list of `NSString` or `FIRFieldPath` elements + * specifying which fields to merge. Fields can contain dots to reference nested fields within + * the document. + * @return This `FIRTransaction` instance. Used for chaining method calls. + */ +// clang-format off +- (FIRTransaction *)setData:(NSDictionary<NSString *, id> *)data + forDocument:(FIRDocumentReference *)document + mergeFields:(NSArray<id> *)mergeFields + NS_SWIFT_NAME(setData(_:forDocument:mergeFields:)); +// clang-format on + +/** * Updates fields in the document referred to by `document`. * If the document does not exist, the transaction will fail. * |