class SQLExporter
This class implements the interface for exprting SQLConstructor
objects to strings.
Constants
- DEFAULT_DIALECT
defaults to 'mysql'
Attributes
dialect[RW]
separator[R]
tidy[RW]
Public Class Methods
new( dialect = DEFAULT_DIALECT, tidy = false )
click to toggle source
Class constructor. Called with two optional arguments - dialect and tidy. Dialect determines the translator class (e.g., Exporter_mysql
, Exporter_informix etc). Tidy determines whether the output should be formatted and human-readable.
# File lib/sqlexporter.rb, line 19 def initialize ( dialect = DEFAULT_DIALECT, tidy = false ) dialect ||= DEFAULT_DIALECT dialect_class = "Exporter_" + dialect.to_s begin @translator = SQLExporter.const_get( dialect_class ).new( tidy ) rescue raise NameError, ERR_UNKNOWN_DIALECT + ": " + dialect.to_s end @dialect, @tidy = dialect, tidy @separator = @translator.separator end
Public Instance Methods
export( obj )
click to toggle source
The main method to export the obj to string. Calls the @translator's export method.
# File lib/sqlexporter.rb, line 35 def export ( obj ) string = @translator.export obj string = @separator + "(" + string + ")" if obj.inline return string end