public com.google.spanner.v1.Mutation.WriteOrBuilder getInsertOrBuilder() {
    if (operationCase_ == 1) {
      return (com.google.spanner.v1.Mutation.Write) operation_;
    }
    return com.google.spanner.v1.Mutation.Write.getDefaultInstance();
  }
public com . google . spanner . v1 . Mutation . WriteOrBuilder getInsertOrBuilder ( ) { if ( operationCase_ == 1 ) { return ( com . google . spanner . v1 . Mutation . Write ) operation_ ; } return com . google . spanner . v1 . Mutation . Write . getDefaultInstance ( ) ; }
<pre>
Insert new rows in a table. If any of the rows already exist,
the write or transaction fails with error `ALREADY_EXISTS`.
</pre>

<code>.google.spanner.v1.Mutation.Write insert = 1;</code>