method
visit_ChangeColumnDefaultDefinition
rails latest stable - Class:
ActiveRecord::ConnectionAdapters::PostgreSQL::SchemaCreation
visit_ChangeColumnDefaultDefinition(o)private
No documentation available.
# File activerecord/lib/active_record/connection_adapters/postgresql/schema_creation.rb, line 124
def visit_ChangeColumnDefaultDefinition(o)
sql = +"ALTER COLUMN #{quote_column_name(o.column.name)} "
if o.default.nil?
sql << "DROP DEFAULT"
else
sql << "SET DEFAULT #{quote_default_expression(o.default, o.column)}"
end
end