Module preflight

Preflight checks for deployments.

Structs

• PreflightInput
  The necessary input for preflight checks.
• PreflightOutput
  Output of preflight checks.

Functions

• check_ddl_changes 🔒
  Check if there have been any DDL that create new collections or replicas, restart in read-only mode if so, in order to pick up those new items and start hydrating them before cutting over.
• get_next_ids 🔒
  Gets and returns the next user item ID and user replica ID that would be allocated as of the current catalog state.
• preflight_0dt
  Perform a 0dt preflight check.
• preflight_legacy
  Perform a legacy (non-0dt) preflight check.