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<?php
/*
* Copyright 2014 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
/**
* The "sessions" collection of methods.
* Typical usage is:
* <code>
* $spannerService = new Google_Service_Spanner(...);
* $sessions = $spannerService->sessions;
* </code>
*/
class Google_Service_Spanner_Resource_ProjectsInstancesDatabasesSessions extends Google_Service_Resource
{
/**
* Creates multiple new sessions. This API can be used to initialize a session
* cache on the clients. See https://goo.gl/TgSFN2 for best practices on session
* cache management. (sessions.batchCreate)
*
* @param string $database Required. The database in which the new sessions are
* created.
* @param Google_Service_Spanner_BatchCreateSessionsRequest $postBody
* @param array $optParams Optional parameters.
* @return Google_Service_Spanner_BatchCreateSessionsResponse
*/
public function batchCreate($database, Google_Service_Spanner_BatchCreateSessionsRequest $postBody, $optParams = array())
{
$params = array('database' => $database, 'postBody' => $postBody);
$params = array_merge($params, $optParams);
return $this->call('batchCreate', array($params), "Google_Service_Spanner_BatchCreateSessionsResponse");
}
/**
* Begins a new transaction. This step can often be skipped: Read, ExecuteSql
* and Commit can begin a new transaction as a side-effect.
* (sessions.beginTransaction)
*
* @param string $session Required. The session in which the transaction runs.
* @param Google_Service_Spanner_BeginTransactionRequest $postBody
* @param array $optParams Optional parameters.
* @return Google_Service_Spanner_Transaction
*/
public function beginTransaction($session, Google_Service_Spanner_BeginTransactionRequest $postBody, $optParams = array())
{
$params = array('session' => $session, 'postBody' => $postBody);
$params = array_merge($params, $optParams);
return $this->call('beginTransaction', array($params), "Google_Service_Spanner_Transaction");
}
/**
* Commits a transaction. The request includes the mutations to be applied to
* rows in the database. `Commit` might return an `ABORTED` error. This can
* occur at any time; commonly, the cause is conflicts with concurrent
* transactions. However, it can also happen for a variety of other reasons. If
* `Commit` returns `ABORTED`, the caller should re-attempt the transaction from
* the beginning, re-using the same session. On very rare occasions, `Commit`
* might return `UNKNOWN`. This can happen, for example, if the client job
* experiences a 1+ hour networking failure. At that point, Cloud Spanner has
* lost track of the transaction outcome and we recommend that you perform
* another read from the database to see the state of things as they are now.
* (sessions.commit)
*
* @param string $session Required. The session in which the transaction to be
* committed is running.
* @param Google_Service_Spanner_CommitRequest $postBody
* @param array $optParams Optional parameters.
* @return Google_Service_Spanner_CommitResponse
*/
public function commit($session, Google_Service_Spanner_CommitRequest $postBody, $optParams = array())
{
$params = array('session' => $session, 'postBody' => $postBody);
$params = array_merge($params, $optParams);
return $this->call('commit', array($params), "Google_Service_Spanner_CommitResponse");
}
/**
* Creates a new session. A session can be used to perform transactions that
* read and/or modify data in a Cloud Spanner database. Sessions are meant to be
* reused for many consecutive transactions. Sessions can only execute one
* transaction at a time. To execute multiple concurrent read-write/write-only
* transactions, create multiple sessions. Note that standalone reads and
* queries use a transaction internally, and count toward the one transaction
* limit. Active sessions use additional server resources, so it is a good idea
* to delete idle and unneeded sessions. Aside from explicit deletes, Cloud
* Spanner may delete sessions for which no operations are sent for more than an
* hour. If a session is deleted, requests to it return `NOT_FOUND`. Idle
* sessions can be kept alive by sending a trivial SQL query periodically, e.g.,
* `"SELECT 1"`. (sessions.create)
*
* @param string $database Required. The database in which the new session is
* created.
* @param Google_Service_Spanner_CreateSessionRequest $postBody
* @param array $optParams Optional parameters.
* @return Google_Service_Spanner_Session
*/
public function create($database, Google_Service_Spanner_CreateSessionRequest $postBody, $optParams = array())
{
$params = array('database' => $database, 'postBody' => $postBody);
$params = array_merge($params, $optParams);
return $this->call('create', array($params), "Google_Service_Spanner_Session");
}
/**
* Ends a session, releasing server resources associated with it. This will
* asynchronously trigger cancellation of any operations that are running with
* this session. (sessions.delete)
*
* @param string $name Required. The name of the session to delete.
* @param array $optParams Optional parameters.
* @return Google_Service_Spanner_SpannerEmpty
*/
public function delete($name, $optParams = array())
{
$params = array('name' => $name);
$params = array_merge($params, $optParams);
return $this->call('delete', array($params), "Google_Service_Spanner_SpannerEmpty");
}
/**
* Executes a batch of SQL DML statements. This method allows many statements to
* be run with lower latency than submitting them sequentially with ExecuteSql.
* Statements are executed in sequential order. A request can succeed even if a
* statement fails. The ExecuteBatchDmlResponse.status field in the response
* provides information about the statement that failed. Clients must inspect
* this field to determine whether an error occurred. Execution stops after the
* first failed statement; the remaining statements are not executed.
* (sessions.executeBatchDml)
*
* @param string $session Required. The session in which the DML statements
* should be performed.
* @param Google_Service_Spanner_ExecuteBatchDmlRequest $postBody
* @param array $optParams Optional parameters.
* @return Google_Service_Spanner_ExecuteBatchDmlResponse
*/
public function executeBatchDml($session, Google_Service_Spanner_ExecuteBatchDmlRequest $postBody, $optParams = array())
{
$params = array('session' => $session, 'postBody' => $postBody);
$params = array_merge($params, $optParams);
return $this->call('executeBatchDml', array($params), "Google_Service_Spanner_ExecuteBatchDmlResponse");
}
/**
* Executes an SQL statement, returning all results in a single reply. This
* method cannot be used to return a result set larger than 10 MiB; if the query
* yields more data than that, the query fails with a `FAILED_PRECONDITION`
* error. Operations inside read-write transactions might return `ABORTED`. If
* this occurs, the application should restart the transaction from the
* beginning. See Transaction for more details. Larger result sets can be
* fetched in streaming fashion by calling ExecuteStreamingSql instead.
* (sessions.executeSql)
*
* @param string $session Required. The session in which the SQL query should be
* performed.
* @param Google_Service_Spanner_ExecuteSqlRequest $postBody
* @param array $optParams Optional parameters.
* @return Google_Service_Spanner_ResultSet
*/
public function executeSql($session, Google_Service_Spanner_ExecuteSqlRequest $postBody, $optParams = array())
{
$params = array('session' => $session, 'postBody' => $postBody);
$params = array_merge($params, $optParams);
return $this->call('executeSql', array($params), "Google_Service_Spanner_ResultSet");
}
/**
* Like ExecuteSql, except returns the result set as a stream. Unlike
* ExecuteSql, there is no limit on the size of the returned result set.
* However, no individual row in the result set can exceed 100 MiB, and no
* column value can exceed 10 MiB. (sessions.executeStreamingSql)
*
* @param string $session Required. The session in which the SQL query should be
* performed.
* @param Google_Service_Spanner_ExecuteSqlRequest $postBody
* @param array $optParams Optional parameters.
* @return Google_Service_Spanner_PartialResultSet
*/
public function executeStreamingSql($session, Google_Service_Spanner_ExecuteSqlRequest $postBody, $optParams = array())
{
$params = array('session' => $session, 'postBody' => $postBody);
$params = array_merge($params, $optParams);
return $this->call('executeStreamingSql', array($params), "Google_Service_Spanner_PartialResultSet");
}
/**
* Gets a session. Returns `NOT_FOUND` if the session does not exist. This is
* mainly useful for determining whether a session is still alive.
* (sessions.get)
*
* @param string $name Required. The name of the session to retrieve.
* @param array $optParams Optional parameters.
* @return Google_Service_Spanner_Session
*/
public function get($name, $optParams = array())
{
$params = array('name' => $name);
$params = array_merge($params, $optParams);
return $this->call('get', array($params), "Google_Service_Spanner_Session");
}
/**
* Lists all sessions in a given database.
* (sessions.listProjectsInstancesDatabasesSessions)
*
* @param string $database Required. The database in which to list sessions.
* @param array $optParams Optional parameters.
*
* @opt_param string filter An expression for filtering the results of the
* request. Filter rules are case insensitive. The fields eligible for filtering
* are: * `labels.key` where key is the name of a label Some examples of using
* filters are: * `labels.env:*` --> The session has the label "env". *
* `labels.env:dev` --> The session has the label "env" and the value of the
* label contains the string "dev".
* @opt_param int pageSize Number of sessions to be returned in the response. If
* 0 or less, defaults to the server's maximum allowed page size.
* @opt_param string pageToken If non-empty, `page_token` should contain a
* next_page_token from a previous ListSessionsResponse.
* @return Google_Service_Spanner_ListSessionsResponse
*/
public function listProjectsInstancesDatabasesSessions($database, $optParams = array())
{
$params = array('database' => $database);
$params = array_merge($params, $optParams);
return $this->call('list', array($params), "Google_Service_Spanner_ListSessionsResponse");
}
/**
* Creates a set of partition tokens that can be used to execute a query
* operation in parallel. Each of the returned partition tokens can be used by
* ExecuteStreamingSql to specify a subset of the query result to read. The same
* session and read-only transaction must be used by the PartitionQueryRequest
* used to create the partition tokens and the ExecuteSqlRequests that use the
* partition tokens. Partition tokens become invalid when the session used to
* create them is deleted, is idle for too long, begins a new transaction, or
* becomes too old. When any of these happen, it is not possible to resume the
* query, and the whole operation must be restarted from the beginning.
* (sessions.partitionQuery)
*
* @param string $session Required. The session used to create the partitions.
* @param Google_Service_Spanner_PartitionQueryRequest $postBody
* @param array $optParams Optional parameters.
* @return Google_Service_Spanner_PartitionResponse
*/
public function partitionQuery($session, Google_Service_Spanner_PartitionQueryRequest $postBody, $optParams = array())
{
$params = array('session' => $session, 'postBody' => $postBody);
$params = array_merge($params, $optParams);
return $this->call('partitionQuery', array($params), "Google_Service_Spanner_PartitionResponse");
}
/**
* Creates a set of partition tokens that can be used to execute a read
* operation in parallel. Each of the returned partition tokens can be used by
* StreamingRead to specify a subset of the read result to read. The same
* session and read-only transaction must be used by the PartitionReadRequest
* used to create the partition tokens and the ReadRequests that use the
* partition tokens. There are no ordering guarantees on rows returned among the
* returned partition tokens, or even within each individual StreamingRead call
* issued with a partition_token. Partition tokens become invalid when the
* session used to create them is deleted, is idle for too long, begins a new
* transaction, or becomes too old. When any of these happen, it is not possible
* to resume the read, and the whole operation must be restarted from the
* beginning. (sessions.partitionRead)
*
* @param string $session Required. The session used to create the partitions.
* @param Google_Service_Spanner_PartitionReadRequest $postBody
* @param array $optParams Optional parameters.
* @return Google_Service_Spanner_PartitionResponse
*/
public function partitionRead($session, Google_Service_Spanner_PartitionReadRequest $postBody, $optParams = array())
{
$params = array('session' => $session, 'postBody' => $postBody);
$params = array_merge($params, $optParams);
return $this->call('partitionRead', array($params), "Google_Service_Spanner_PartitionResponse");
}
/**
* Reads rows from the database using key lookups and scans, as a simple
* key/value style alternative to ExecuteSql. This method cannot be used to
* return a result set larger than 10 MiB; if the read matches more data than
* that, the read fails with a `FAILED_PRECONDITION` error. Reads inside read-
* write transactions might return `ABORTED`. If this occurs, the application
* should restart the transaction from the beginning. See Transaction for more
* details. Larger result sets can be yielded in streaming fashion by calling
* StreamingRead instead. (sessions.read)
*
* @param string $session Required. The session in which the read should be
* performed.
* @param Google_Service_Spanner_ReadRequest $postBody
* @param array $optParams Optional parameters.
* @return Google_Service_Spanner_ResultSet
*/
public function read($session, Google_Service_Spanner_ReadRequest $postBody, $optParams = array())
{
$params = array('session' => $session, 'postBody' => $postBody);
$params = array_merge($params, $optParams);
return $this->call('read', array($params), "Google_Service_Spanner_ResultSet");
}
/**
* Rolls back a transaction, releasing any locks it holds. It is a good idea to
* call this for any transaction that includes one or more Read or ExecuteSql
* requests and ultimately decides not to commit. `Rollback` returns `OK` if it
* successfully aborts the transaction, the transaction was already aborted, or
* the transaction is not found. `Rollback` never returns `ABORTED`.
* (sessions.rollback)
*
* @param string $session Required. The session in which the transaction to roll
* back is running.
* @param Google_Service_Spanner_RollbackRequest $postBody
* @param array $optParams Optional parameters.
* @return Google_Service_Spanner_SpannerEmpty
*/
public function rollback($session, Google_Service_Spanner_RollbackRequest $postBody, $optParams = array())
{
$params = array('session' => $session, 'postBody' => $postBody);
$params = array_merge($params, $optParams);
return $this->call('rollback', array($params), "Google_Service_Spanner_SpannerEmpty");
}
/**
* Like Read, except returns the result set as a stream. Unlike Read, there is
* no limit on the size of the returned result set. However, no individual row
* in the result set can exceed 100 MiB, and no column value can exceed 10 MiB.
* (sessions.streamingRead)
*
* @param string $session Required. The session in which the read should be
* performed.
* @param Google_Service_Spanner_ReadRequest $postBody
* @param array $optParams Optional parameters.
* @return Google_Service_Spanner_PartialResultSet
*/
public function streamingRead($session, Google_Service_Spanner_ReadRequest $postBody, $optParams = array())
{
$params = array('session' => $session, 'postBody' => $postBody);
$params = array_merge($params, $optParams);
return $this->call('streamingRead', array($params), "Google_Service_Spanner_PartialResultSet");
}
}
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