Class: Arel::Nodes::SelectCore

Inherits:
Node show all
Defined in:
activerecord/lib/arel/nodes/select_core.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Node

#and, #fetch_attribute, #invert, #not, #or, #to_sql

Methods included from FactoryMethods

#coalesce, #create_and, #create_false, #create_join, #create_on, #create_string_join, #create_table_alias, #create_true, #grouping, #lower

Constructor Details

#initializeSelectCore

Returns a new instance of SelectCore.


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# File 'activerecord/lib/arel/nodes/select_core.rb', line 9

def initialize
  super()
  @source = JoinSource.new nil

  # https://ronsavage.github.io/SQL/sql-92.bnf.html#set%20quantifier
  @set_quantifier  = nil
  @optimizer_hints = nil
  @projections     = []
  @wheres          = []
  @groups          = []
  @havings         = []
  @windows         = []
  @comment         = nil
end

Instance Attribute Details

#commentObject

Returns the value of attribute comment


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# File 'activerecord/lib/arel/nodes/select_core.rb', line 6

def comment
  @comment
end

#groupsObject

Returns the value of attribute groups


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# File 'activerecord/lib/arel/nodes/select_core.rb', line 6

def groups
  @groups
end

#havingsObject

Returns the value of attribute havings


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# File 'activerecord/lib/arel/nodes/select_core.rb', line 7

def havings
  @havings
end

#optimizer_hintsObject

Returns the value of attribute optimizer_hints


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# File 'activerecord/lib/arel/nodes/select_core.rb', line 7

def optimizer_hints
  @optimizer_hints
end

#projectionsObject

Returns the value of attribute projections


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# File 'activerecord/lib/arel/nodes/select_core.rb', line 6

def projections
  @projections
end

#set_quantifierObject

Returns the value of attribute set_quantifier


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# File 'activerecord/lib/arel/nodes/select_core.rb', line 7

def set_quantifier
  @set_quantifier
end

#sourceObject

Returns the value of attribute source


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# File 'activerecord/lib/arel/nodes/select_core.rb', line 7

def source
  @source
end

#wheresObject

Returns the value of attribute wheres


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# File 'activerecord/lib/arel/nodes/select_core.rb', line 6

def wheres
  @wheres
end

#windowsObject

Returns the value of attribute windows


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# File 'activerecord/lib/arel/nodes/select_core.rb', line 6

def windows
  @windows
end

Instance Method Details

#eql?(other) ⇒ Boolean Also known as: ==

Returns:

  • (Boolean)

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# File 'activerecord/lib/arel/nodes/select_core.rb', line 52

def eql?(other)
  self.class == other.class &&
    self.source == other.source &&
    self.set_quantifier == other.set_quantifier &&
    self.optimizer_hints == other.optimizer_hints &&
    self.projections == other.projections &&
    self.wheres == other.wheres &&
    self.groups == other.groups &&
    self.havings == other.havings &&
    self.windows == other.windows &&
    self.comment == other.comment
end

#fromObject Also known as: froms


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# File 'activerecord/lib/arel/nodes/select_core.rb', line 24

def from
  @source.left
end

#from=(value) ⇒ Object Also known as: froms=


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# File 'activerecord/lib/arel/nodes/select_core.rb', line 28

def from=(value)
  @source.left = value
end

#hashObject


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# File 'activerecord/lib/arel/nodes/select_core.rb', line 45

def hash
  [
    @source, @set_quantifier, @projections, @optimizer_hints,
    @wheres, @groups, @havings, @windows, @comment
  ].hash
end

#initialize_copy(other) ⇒ Object


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# File 'activerecord/lib/arel/nodes/select_core.rb', line 35

def initialize_copy(other)
  super
  @source      = @source.clone if @source
  @projections = @projections.clone
  @wheres      = @wheres.clone
  @groups      = @groups.clone
  @havings     = @havings.clone
  @windows     = @windows.clone
end