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Performance optimisation. Do not query database for existence of schema upon every call #411

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Performance optimisation. Do not query database for existence of schema upon every call #411

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Performance optimisation. Do not query database for existence of sche…
NielsKSchjoedt Mar 9, 2017
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Merge github.com:influitive/apartment into development
NielsKSchjoedt Sep 3, 2018
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10 changes: 1 addition & 9 deletions lib/apartment/adapters/postgresql_adapter.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -63,18 +63,10 @@ def drop_command(conn, tenant)
#
def connect_to_new(tenant = nil)
return reset if tenant.nil?
raise ActiveRecord::StatementInvalid.new("Could not find schema #{tenant}") unless Apartment.connection.schema_exists?(tenant.to_s)


@current = tenant.to_s
Apartment.connection.schema_search_path = full_search_path

# When the PostgreSQL version is < 9.3,
# there is a issue for prepared statement with changing search_path.
# https://www.postgresql.org/docs/9.3/static/sql-prepare.html
if postgresql_version < 90300
Apartment.connection.clear_cache!
end

rescue *rescuable_exceptions
raise TenantNotFound, "One of the following schema(s) is invalid: \"#{tenant}\" #{full_search_path}"
end
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