Merge pull request #2251 from tseaver/2119-bigquery-poll-jobs-using-c…

…orrect-state

Poll async jobs using correct state logic in BQ usage docs.

docs/bigquery-usage.rst

@@ -267,15 +267,15 @@ Then, begin executing the job on the server:
    >>> job.created
    datetime.datetime(2015, 7, 23, 9, 30, 20, 268260, tzinfo=<UTC>)
    >>> job.state
-   'running'
+   'RUNNING'
 
 Poll until the job is complete:
 
 .. doctest::
 
    >>> import time
    >>> retry_count = 100
-   >>> while retry_count > 0 and job.state == 'running':
+   >>> while retry_count > 0 and job.state != 'DONE':
    ...     retry_count -= 1
    ...     time.sleep(10)
    ...     job.reload()  # API call
@@ -329,15 +329,15 @@ Then, begin executing the job on the server:
    >>> job.created
    datetime.datetime(2015, 7, 23, 9, 30, 20, 268260, tzinfo=<UTC>)
    >>> job.state
-   'running'
+   'RUNNING'
 
 Poll until the job is complete:
 
 .. doctest::
 
    >>> import time
    >>> retry_count = 100
-   >>> while retry_count > 0 and job.state == 'running':
+   >>> while retry_count > 0 and job.state != 'DONE':
    ...     retry_count -= 1
    ...     time.sleep(10)
    ...     job.reload()  # API call
@@ -387,15 +387,15 @@ Then, begin executing the job on the server:
    >>> job.created
    datetime.datetime(2015, 7, 23, 9, 30, 20, 268260, tzinfo=<UTC>)
    >>> job.state
-   'running'
+   'RUNNING'
 
 Poll until the job is complete:
 
 .. doctest::
 
    >>> import time
    >>> retry_count = 100
-   >>> while retry_count > 0 and job.state == 'running':
+   >>> while retry_count > 0 and job.state != 'DONE':
    ...     retry_count -= 1
    ...     time.sleep(10)
    ...     job.reload()  # API call
@@ -441,15 +441,15 @@ Then, begin executing the job on the server:
    >>> job.created
    datetime.datetime(2015, 7, 23, 9, 30, 20, 268260, tzinfo=<UTC>)
    >>> job.state
-   'running'
+   'RUNNING'
 
 Poll until the job is complete:
 
 .. doctest::
 
    >>> import time
    >>> retry_count = 100
-   >>> while retry_count > 0 and job.state == 'running':
+   >>> while retry_count > 0 and job.state != 'DONE':
    ...     retry_count -= 1
    ...     time.sleep(10)
    ...     job.reload()  # API call