class Arel::Nodes::SelectCore - arel-4.0.2 Documentation

# class Arel::Nodes::SelectCore

### Attributes

groups[RW]
having[RW]
projections[RW]
set_quantifier[RW]
source[RW]
top[RW]
wheres[RW]
windows[RW]

### Public Class Methods

new() click to toggle source
Calls superclass method Arel::Nodes::Node.new

    # File lib/arel/nodes/select_core.rb, line 7
    def initialize
      super()
      @source         = JoinSource.new nil
      @top            = nil

      # http://savage.net.au/SQL/sql-92.bnf.html#set%20quantifier
      @set_quantifier = nil
      @projections    = []
      @wheres         = []
      @groups         = []
      @having         = nil
      @windows        = []
    end

### Public Instance Methods

==(other)
Alias for: eql?
eql?(other) click to toggle source

    # File lib/arel/nodes/select_core.rb, line 49
    def eql? other
      self.class == other.class &&
        self.source == other.source &&
        self.top == other.top &&
        self.set_quantifier == other.set_quantifier &&
        self.projections == other.projections &&
        self.wheres == other.wheres &&
        self.groups == other.groups &&
        self.having == other.having &&
        self.windows == other.windows
    end

Also aliased as: ==
from() click to toggle source

    # File lib/arel/nodes/select_core.rb, line 21
    def from
      @source.left
    end

Also aliased as: froms
from=(value) click to toggle source

    # File lib/arel/nodes/select_core.rb, line 25
    def from= value
      @source.left = value
    end

Also aliased as: froms=
froms()
Alias for: from
froms=(value)
Alias for: from=
hash() click to toggle source

    # File lib/arel/nodes/select_core.rb, line 42
    def hash
      [
        @source, @top, @set_quantifier, @projections,
        @wheres, @groups, @having, @windows
      ].hash
    end

initialize_copy(other) click to toggle source
Calls superclass method

    # File lib/arel/nodes/select_core.rb, line 32
    def initialize_copy other
      super
      @source      = @source.clone if @source
      @projections = @projections.clone
      @wheres      = @wheres.clone
      @groups      = @groups.clone
      @having      = @having.clone if @having
      @windows     = @windows.clone
    end