5.65.alpha1 - Define pre-upgrade snapshots (Option A)

[totten]

Overview

For data-structures that are modified by the 5.65.alpha1 upgrade, create some snapshots (just in case we discover some schema problem later on).

This is one of two options. Option A uses the existing PHP methods for creating the snapshot. It supports paginating the operations. However, this doesn't seem very important since these datasets are generally fairly small (dozens of records -- at a stretch, maybe a couple thousand records).

(For Option B, see #26999.)

Before

• No snapshots

After

• Some snapshots

Comments

There's an open PR #26993 which would add another upgrade test.since these datasets are generally fairly small (dozens of records -- at a stretch, maybe a couple thousand records).

Before

• No snapshots

After

• Some snapshots

Comments

There's an open PR #26993 which would add another upgrade test. I included the corresponding snapshot for that as well - but it's a separate commit (in case we need some cherry-picking/reconsideration of that one).

[civibot]

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