This class is used for generate code (SQL) from XML definition files presents on instance sections.
$file :
$primary :
$table :
$fields :
__construct()
getFile()
getTable()
getPrimary()
getFields()
getSize()
getUniques()
getRequireds()
getField( $group = FALSE)
makeTable()
getDependencies()
getGroup()
toSql( $field)
toConstraint( $field)