Class: WithAdvisoryLock::DatabaseAdapterSupport

Inherits:
Object
  • Object
show all
Defined in:
lib/with_advisory_lock/database_adapter_support.rb

Constant Summary collapse

@@mysql_nl_cache =

Caches nested lock support by MySQL reported version

{}
@@mysql_nl_cache_mutex = 
Mutex.new

Instance Method Summary collapse

Constructor Details

#initialize(connection) ⇒ DatabaseAdapterSupport

Returns a new instance of DatabaseAdapterSupport.



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# File 'lib/with_advisory_lock/database_adapter_support.rb', line 9

def initialize(connection)
  @connection = connection
  @sym_name   = connection.adapter_name.downcase.to_sym
end

Instance Method Details

#mysql? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/with_advisory_lock/database_adapter_support.rb', line 14

def mysql?
  %i[mysql2 trilogy].include? @sym_name
end

#postgresql? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/with_advisory_lock/database_adapter_support.rb', line 18

def postgresql?
  %i[postgresql empostgresql postgis].include? @sym_name
end

#sqlite? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/with_advisory_lock/database_adapter_support.rb', line 22

def sqlite?
  @sym_name == :sqlite3
end