StreamedResultSet(
response_iterator, source=None, column_info=None, lazy_decode: bool = False
)Process a sequence of partial result sets into a single set of row data.
Parameter |
|
|---|---|
| Name | Description |
source |
Snapshot
Deprecated. Snapshot from which the result set was fetched. |
Properties
fields
Field descriptors for result set columns.
| Returns | |
|---|---|
| Type | Description |
list of Field |
list of fields describing column names / types. |
metadata
Result set metadata
| Returns | |
|---|---|
| Type | Description |
ResultSetMetadata |
structure describing the results |
stats
Result set statistics
| Returns | |
|---|---|
| Type | Description |
ResultSetStats |
structure describing status about the response |
Methods
decode_column
decode_column(row: [], column_index: int)Decodes a column from a protobuf value to a Python object. This function
should only be called for result sets that use lazy_decoding=True.
The object that is returned by this function is the same as the object
that would have been returned by the rows iterator if lazy_decoding=False.
decode_row
decode_row(row: []) -> []Decodes a row from protobuf values to Python objects. This function
should only be called for result sets that use lazy_decoding=True.
The array that is returned by this function is the same as the array
that would have been returned by the rows iterator if lazy_decoding=False.
one
one()Return exactly one result, or raise an exception.
| Exceptions | |
|---|---|
| Type | Description |
|
If there are no results. |
|
If there are multiple results. |
|
If consumption has already occurred, in whole or in part. |
one_or_none
one_or_none()Return exactly one result, or None if there are no results.
| Exceptions | |
|---|---|
| Type | Description |
|
If there are multiple results. |
|
If consumption has already occurred, in whole or in part. |
to_dict_list
to_dict_list()Return the result of a query as a list of dictionaries. In each dictionary the key is the column name and the value is the value of the that column in a given row.
| Returns | |
|---|---|
| Type | Description |
|
result rows as a list of dictionaries |