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|
# frozen_string_literal: true
module Arel # :nodoc: all
class UpdateManager < Arel::TreeManager
def initialize
super
@ast = Nodes::UpdateStatement.new
@ctx = @ast
end
def take(limit)
@ast.limit = Nodes::Limit.new(Nodes.build_quoted(limit)) if limit
self
end
def key=(key)
@ast.key = Nodes.build_quoted(key)
end
def key
@ast.key
end
def order(*expr)
@ast.orders = expr
self
end
###
# UPDATE +table+
def table(table)
@ast.relation = table
self
end
def wheres=(exprs)
@ast.wheres = exprs
end
def where(expr)
@ast.wheres << expr
self
end
def set(values)
if String === values
@ast.values = [values]
else
@ast.values = values.map { |column, value|
Nodes::Assignment.new(
Nodes::UnqualifiedColumn.new(column),
value
)
}
end
self
end
end
end
|
