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module RuboCop
# Module containing helper methods for writing migration cops.
module MigrationHelpers
WHITELISTED_TABLES = %i[
application_settings
plan_limits
].freeze
# Blacklisted tables due to:
# - size in GB (>= 10 GB on GitLab.com as of 02/2020)
# - number of records
BLACKLISTED_TABLES = %i[
audit_events
ci_build_trace_sections
ci_builds
ci_builds_metadata
ci_job_artifacts
ci_pipeline_variables
ci_pipelines
ci_stages
deployments
events
issues
merge_request_diff_commits
merge_request_diff_files
merge_request_diffs
merge_request_metrics
merge_requests
namespaces
note_diff_files
notes
project_authorizations
projects
project_ci_cd_settings
push_event_payloads
resource_label_events
routes
sent_notifications
services
system_note_metadata
taggings
todos
users
web_hook_logs
].freeze
# Blacklisted tables due to:
# - number of columns (> 50 on GitLab.com as of 03/2020)
# - number of records
WIDE_TABLES = %i[
users
projects
ci_builds
].freeze
# Returns true if the given node originated from the db/migrate directory.
def in_migration?(node)
dirname(node).end_with?('db/migrate', 'db/geo/migrate') || in_post_deployment_migration?(node)
end
def in_post_deployment_migration?(node)
dirname(node).end_with?('db/post_migrate', 'db/geo/post_migrate')
end
def version(node)
File.basename(node.location.expression.source_buffer.name).split('_').first.to_i
end
private
def dirname(node)
File.dirname(node.location.expression.source_buffer.name)
end
end
end
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