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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=122781268

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=122997903

…ady been turned down (b/26638388), and they have been detached from the AppServer. PSI was turned down publicly in Dec 2015 for App Engine.

Tested:
    TAP train for global presubmit queue
    http://test/OCL:126756897:BASE:126907869:1468016015932:58f13fe7
    Some tests failed; test failures are believed to be unrelated to this CL

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=127158613

…sed wait calls.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=127337051

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=134335988

A paragraph ending in "::" will get converted to a ":" and the following indented block will be parsed as code."

Rename datastore to Cloud Datastore in comments.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=135394643

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=146945176

Add a test showing that a single non-transactional commit cannot affect the same key multiple times.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=146958584

…d ability for TransactionalConnection to be rollback() after failed commit().

TransactionalConnection previously didn't allow rollback after any commit operation, even if it failed. Ideally the client should be able to roll back failed commits to free up state on the server.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=147885281

… from https://groups.google.com/a/google.com/forum/#!msg/python-users/xwO_0_LK_oM/mnBEVBbfCgAJ

All ndb tests pass with and without the --run_under=//tools/test:forge_ipv6_only

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=148404993

This also unblocks b/62039789 because running ndb unittest with api_server and cloud emulator would only work with python27 set-up.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=159034429

…ing create_index.

For query_test, we just need to delete the call to create_index;
For model_test, we need to set up index for the test, which requires an app root_path.

The v3 service method being tested is GetIndices, CreateIndex is called to for test set-up. This works with the old GAE SDK. But with cloud emulator, CreateIndex is not supported.

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Created by MOE: https://github.com/google/moe
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