Module: Sequel::Postgres::StatementCache::DatabaseMethods

Defined in:
lib/sequel/extensions/pg_statement_cache.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(db) ⇒ Object

Setup the after_connect proc for the connection pool to make sure the connection object is extended with the appropriate module. This disconnects any existing connections to ensure that all connections in the pool have been extended appropriately.



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# File 'lib/sequel/extensions/pg_statement_cache.rb', line 277

def self.extended(db)
  # Respect existing after_connect proc if one is present
  pr = db.opts[:after_connect]

  # Set the after_connect proc to extend the adapter with
  # the statement cache support.
  db.pool.after_connect = db.opts[:after_connect] = proc do |c|
    pr.call(c) if pr
    c.extend(AdapterMethods)
  end

  # Disconnect to make sure all connections get set up with
  # statement cache.
  db.disconnect
end

Instance Method Details

#alter_table ⇒ Object

Clear statement caches for all connections when altering tables.



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# File 'lib/sequel/extensions/pg_statement_cache.rb', line 294

def alter_table(*)
  clear_statement_caches
  super
end

#drop_table ⇒ Object

Clear statement caches for all connections when dropping tables.



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# File 'lib/sequel/extensions/pg_statement_cache.rb', line 300

def drop_table(*)
  clear_statement_caches
  super
end