diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb')
-rw-r--r-- | activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb index 9bdaa00336..1df9ac32c9 100644 --- a/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/mysql2_adapter.rb @@ -8,6 +8,8 @@ require "mysql2" module ActiveRecord module ConnectionHandling # :nodoc: + ER_BAD_DB_ERROR = 1049 + # Establishes a connection to the database that's used by all Active Record objects. def mysql2_connection(config) config = config.symbolize_keys @@ -22,7 +24,7 @@ module ActiveRecord client = Mysql2::Client.new(config) ConnectionAdapters::Mysql2Adapter.new(client, logger, nil, config) rescue Mysql2::Error => error - if error.message.include?("Unknown database") + if error.error_number == ER_BAD_DB_ERROR raise ActiveRecord::NoDatabaseError else raise @@ -42,8 +44,14 @@ module ActiveRecord configure_connection end + def self.database_exists?(config) + !!ActiveRecord::Base.mysql2_connection(config) + rescue ActiveRecord::NoDatabaseError + false + end + def supports_json? - !mariadb? && version >= "5.7.8" + !mariadb? && database_version >= "5.7.8" end def supports_comments? @@ -109,12 +117,12 @@ module ActiveRecord end def discard! # :nodoc: + super @connection.automatic_close = false @connection = nil end private - def connect @connection = Mysql2::Client.new(@config) configure_connection @@ -126,7 +134,11 @@ module ActiveRecord end def full_version - @full_version ||= @connection.server_info[:version] + schema_cache.database_version.full_version_string + end + + def get_full_version + @connection.server_info[:version] end end end |