Firestore: add support for CollectionGroup queries.#7758

Merged

crwilcox merged 18 commits intomasterfrom

firestore-collection-group

Apr 30, 2019

Commits on Apr 29, 2019

Initial plumbing for collection group queries

crwilcox
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tseaver
committed
Don't assume direct children for collection group queries.
tseaver
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trim document path to DocumentReference

crwilcox
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tseaver
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add unit tests

crwilcox
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tseaver
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ensure all_descendants is set after calling other query methods

crwilcox
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tseaver
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port test for node impl

crwilcox
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tseaver
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port tests from node impl

crwilcox
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tseaver
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Fix collection group test on Python 2.7.
tseaver
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Use '_all_descendants' in 'Query.__eq__'.
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Ensure '_all_descendants' propagates when narrowing query.
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Refactor collection group system tests.
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Match node test's collection group ID / expected output.
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Match Node test for filter on '__name__'.
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Blacken.
tseaver
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Commits on Apr 30, 2019