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Follow breaking changes to get SchemaMigration DB table name on Rails 7.1+ #33

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Follow breaking changes to get SchemaMigration DB table name on Rails 7.1+ #33

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11 changes: 10 additions & 1 deletion lib/erd/migrator.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ class Migrator
class << self
def status
migrations = []
migration_table_name = defined?(ActiveRecord::SchemaMigration) ? ActiveRecord::SchemaMigration.table_name : ActiveRecord::Migrator.schema_migrations_table_name
migration_table_name = find_schema_migration_table_name
return migrations unless ActiveRecord::Base.connection.table_exists? migration_table_name

migrated_versions = ActiveRecord::Base.connection.select_values("SELECT version FROM #{migration_table_name}").map {|v| '%.3d' % v}
Expand Down Expand Up @@ -49,6 +49,15 @@ def run_migrations(migrations)
end
#TODO unload migraion classes
end

private

def find_schema_migration_table_name
return ActiveRecord::Migrator.schema_migrations_table_name unless defined?(ActiveRecord::SchemaMigration)
return ActiveRecord::SchemaMigration.table_name if ActiveRecord::SchemaMigration.respond_to?(:table_name)

ActiveRecord::Base.connection.schema_migration.table_name
end
end
end
end