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Datastore update schema tags #525

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dd89b84
Datastore Schema Update Sample first commit
ryanmats Sep 2, 2016
79480f6
Merge branch 'master' of https://github.com/GoogleCloudPlatform/pytho…
ryanmats Sep 2, 2016
23f1467
Trying to pull from master
ryanmats Sep 14, 2016
ecd9b55
Spacing issues fixed again
ryanmats Sep 14, 2016
2c92d0b
Fixed imports AGAIN
ryanmats Sep 14, 2016
d7ab041
Removed old files
ryanmats Sep 14, 2016
da9e128
removed virtual environment
ryanmats Sep 14, 2016
241736f
Removed license headers from models_v1 and models_v2 regions
ryanmats Sep 14, 2016
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9 changes: 8 additions & 1 deletion appengine/standard/ndb/schema_update/main.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@
populate these new fields onto entities that existed prior to adding the
new fields to the model class.
"""

# [START imports]
import logging
import os

Expand All @@ -38,8 +38,10 @@
os.path.join(os.path.dirname(__file__), 'templates')),
extensions=['jinja2.ext.autoescape'],
autoescape=True)
# [END imports]


# [START display_entities]
class DisplayEntitiesHandler(webapp2.RequestHandler):
"""Displays the current set of entities and options to add entities
or update the schema."""
Expand All @@ -54,8 +56,10 @@ def get(self):

template = JINJA_ENVIRONMENT.get_template('index.html')
self.response.write(template.render(template_values))
# [END display_entities]


# [START add_entities]
class AddEntitiesHandler(webapp2.RequestHandler):
"""Adds new entities using the v1 schema."""
def post(self):
Expand All @@ -71,8 +75,10 @@ def post(self):
self.response.write("""
Entities created. <a href="/">View entities</a>.
""")
# [END add_entities]


# [START update_schema]
class UpdateSchemaHandler(webapp2.RequestHandler):
"""Queues a task to start updating the model schema."""
def post(self):
Expand Down Expand Up @@ -123,6 +129,7 @@ def update_schema_task(cursor=None, num_updated=0, batch_size=100):
logging.debug(
'update_schema_task complete with {0} updates!'.format(
num_updated))
# [END update_schema]


app = webapp2.WSGIApplication([
Expand Down
2 changes: 2 additions & 0 deletions appengine/standard/ndb/schema_update/models_v1.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,8 @@
from google.appengine.ext import ndb


# [START models_v1]
class Picture(ndb.Model):
author = ndb.StringProperty()
name = ndb.StringProperty(default='')
# [END models_v1]
2 changes: 2 additions & 0 deletions appengine/standard/ndb/schema_update/models_v2.py
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Expand Up @@ -15,9 +15,11 @@
from google.appengine.ext import ndb


# [START models_v2]
class Picture(ndb.Model):
author = ndb.StringProperty()
name = ndb.StringProperty(default='')
# Two new fields
num_votes = ndb.IntegerProperty(default=0)
avg_rating = ndb.FloatProperty(default=0)
# [END models_v2]