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PartitionReadRequest(mapping=None, *, ignore_unknown_fields=False, **kwargs)
The request for
PartitionRead][google.spanner.v1.Spanner.PartitionRead]
Attributes | |
---|---|
Name | Description |
session |
str
Required. The session used to create the partitions. |
transaction |
google.cloud.spanner_v1.types.TransactionSelector
Read only snapshot transactions are supported, read/write and single use transactions are not. |
table |
str
Required. The name of the table in the database to be read. |
index |
str
If non-empty, the name of an index on table][google.spanner.v1.PartitionReadRequest.table] . This
index is used instead of the table primary key when
interpreting
key_set][google.spanner.v1.PartitionReadRequest.key_set]
and sorting result rows. See
key_set][google.spanner.v1.PartitionReadRequest.key_set]
for further information.
|
columns |
Sequence[str]
The columns of table][google.spanner.v1.PartitionReadRequest.table] to be
returned for each row matching this request.
|
key_set |
google.cloud.spanner_v1.types.KeySet
Required. key_set identifies the rows to be yielded.
key_set names the primary keys of the rows in
table][google.spanner.v1.PartitionReadRequest.table] to be
yielded, unless
index][google.spanner.v1.PartitionReadRequest.index] is
present. If
index][google.spanner.v1.PartitionReadRequest.index] is
present, then
key_set][google.spanner.v1.PartitionReadRequest.key_set]
instead names index keys in
index][google.spanner.v1.PartitionReadRequest.index] .
It is not an error for the key_set to name rows that do
not exist in the database. Read yields nothing for
nonexistent rows.
|
partition_options |
google.cloud.spanner_v1.types.PartitionOptions
Additional options that affect how many partitions are created. |