class Dataman::Dataman
Public Class Methods
new( config )
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# File lib/dataman/dataman.rb, line 7 def initialize( config ) @config = config # db config connection spec hash end
Public Instance Methods
clean()
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# File lib/dataman/dataman.rb, line 12 def clean db_adapter = @config[ 'adapter' ] ### for sqlite3 delete/remove single-file database if db_adapter == 'sqlite3' db_database = @config[ 'database' ] ## check: ## if in memory e.g. ':memory:' no delete/clean needed!!! FileUtils.rm( db_database ) if File.exists?( db_database ) else puts "[Dataman] clean: do nothing; no clean steps configured for db adapter >#{db_adapter}<" end end
connect()
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# File lib/dataman/dataman.rb, line 29 def connect pp @config ActiveRecord::Base.establish_connection( @config ) db_adapter = @config[ 'adapter' ] ## try to speed up sqlite ## see http://www.sqlite.org/pragma.html if db_adapter == 'sqlite3' c = ActiveRecord::Base.connection ## check: ## if in memory e.g. ':memory:' no pragma needed!! c.execute( 'PRAGMA synchronous=OFF;' ) c.execute( 'PRAGMA journal_mode=OFF;' ) c.execute( 'PRAGMA temp_store=MEMORY;' ) end end