Prevent field duplications on schema merge in BigQuery sink #945
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pyalex
requested review from
davidheryanto,
khorshuheng,
woop and
zhilingc
as code owners
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/test test-end-to-end-batch-dataflow |
woop
approved these changes
Aug 12, 2020
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: pyalex, woop The full list of commands accepted by this bot can be found here. The pull request process is described here
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/lgtm |
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What this PR does / why we need it:
After BQ table was edited outside of ingestion job we might fail on generating schema from
FeatureSetSpec:since we expect TableFields to be completely equal (including description).
This PR fix that with overwriting existing fields by using Map (that keeps inserting order) instead of merging two Lists.
Which issue(s) this PR fixes:
Fixes #
Does this PR introduce a user-facing change?: