Support multiple functions per AWS event, merge SNS filter policies - #1462
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Support multiple functions per AWS event, merge SNS filter policies#1462ellen-goc wants to merge 2 commits into
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…licies on update - AWS_EVENT_MAPPING now maps an ARN to a list of functions instead of a single function, with backward-compat handling for the old single-string format - LambdaHandler dispatches to all mapped functions for a triggered event instead of only the first - SNSEventSource.update() now merges new filter policies with the subscription's existing filter policy instead of overwriting it
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Summary
AWS_EVENT_MAPPINGnow maps an ARN to a list of functions instead of a single function (with backward-compat handling for the old single-string format), so multiple Lambda functions can respond to the same triggering event/ARN.SNSEventSource.update()now merges a new filter policy with the subscription's existing filter policy instead of overwriting it.Test plan