module Sequel::SetOverrides

Public Instance Methods

insert_sql(*values) click to toggle source

Set overrides/defaults for insert hashes

Calls superclass method
# File lib/sequel/extensions/set_overrides.rb, line 24
def insert_sql(*values)
  if values.size == 1 && (vals = values.first).is_a?(Hash)
    super(merge_defaults_overrides(vals))
  else
    super
  end
end
set_defaults(hash) click to toggle source

Set the default values for insert and update statements. The values hash passed to insert or update are merged into this hash, so any values in the hash passed to insert or update will override values passed to this method.

DB[:items].set_defaults(:a=>'a', :c=>'c').insert(:a=>'d', :b=>'b')
# INSERT INTO items (a, c, b) VALUES ('d', 'c', 'b')
# File lib/sequel/extensions/set_overrides.rb, line 38
def set_defaults(hash)
  clone(:defaults=>(@opts[:defaults]||{}).merge(hash))
end
set_overrides(hash) click to toggle source

Set values that override hash arguments given to insert and update statements. This hash is merged into the hash provided to insert or update, so values will override any values given in the insert/update hashes.

DB[:items].set_overrides(:a=>'a', :c=>'c').insert(:a=>'d', :b=>'b')
# INSERT INTO items (a, c, b) VALUES ('a', 'c', 'b')
# File lib/sequel/extensions/set_overrides.rb, line 48
def set_overrides(hash)
  clone(:overrides=>hash.merge(@opts[:overrides]||{}))
end
update_sql(values = {}) click to toggle source

Set overrides/defaults for update hashes

Calls superclass method
# File lib/sequel/extensions/set_overrides.rb, line 53
def update_sql(values = {})
  if values.is_a?(Hash)
    super(merge_defaults_overrides(values))
  else
    super
  end
end

Private Instance Methods

merge_defaults_overrides(vals) click to toggle source

Return new hashe with merged defaults and overrides.

# File lib/sequel/extensions/set_overrides.rb, line 64
def merge_defaults_overrides(vals)
  vals = @opts[:defaults].merge(vals) if @opts[:defaults]
  vals = vals.merge(@opts[:overrides]) if @opts[:overrides]
  vals
end