Kevin Ansfield 76c1b60a4d Added schema+migration for email_{batches,recipients} tables (#12192) ... no issue We want to store a list of recipients for each bulk email so that we have a consistent set of data that background processing/sending jobs can work from without worrying about moving large data sets around or member data changing mid-send. - `email_batches` table acts as a join table with status for email<->email_recipient - stores a provider-specific ID that we get back when submitting a batch for sending to the bulk email provider - `status` allows for batch-specific status updates and picking up where we left off when submitting batches if needed - explicitly tying a list of email recipients to a batch allows for partial retries - `email_recipients` table acts as a join table for email<->member - `member_id` does not have a foreign key constraint because members can be deleted but does have an index so that we can efficiently query which emails a member has received - stores static copies of the member info present at the time of sending an email for consistency in background jobs and auditing/historical data		2020-09-14 12:21:58 +01:00
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01-add-email-recipients-tables.js	Added schema+migration for email_{batches,recipients} tables (#12192)	2020-09-14 12:21:58 +01:00