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Contents
module RailsSqlViews
module ConnectionAdapters
module AbstractAdapter
def self.included(base)
base.alias_method_chain :disable_referential_integrity, :views_excluded
end
# Subclasses should override and return true if they support views.
def supports_views?
return false
end
# Subclasses should override and return false if they don't support CASCADE
def supports_drop_table_cascade?
return true
end
def disable_referential_integrity_with_views_excluded(&block)
self.class.send(:alias_method, :original_tables_method, :tables)
self.class.send(:alias_method, :tables, :base_tables)
disable_referential_integrity_without_views_excluded(&block)
ensure
self.class.send(:alias_method, :tables, :original_tables_method)
end
def supports_view_columns_definition?
true
end
# Get a list of all views for the current database
def views(name = nil)
raise NotImplementedError, "views is an abstract method"
end
# Get the select statement for the specified view
def view_select_statement(view, name=nil)
raise NotImplementedError, "view_select_statement is an abstract method"
end
end
end
end
Version data entries
13 entries across 13 versions & 5 rubygems