Class: Norikra::Query::ASTSelectionElementNode

Inherits:

ASTNode

• Object
• ASTNode
• Norikra::Query::ASTSelectionElementNode

Defined in:

lib/norikra/query/ast.rb

Overview

SELECTION_ELEMENT_EXPR

Instance Attribute Summary

Attributes inherited from ASTNode

#children, #name

Instance Method Summary

• #alias ⇒ Object
• #nodetype?(*sym) ⇒ Boolean

  “count(*) AS cnt” => [“SELECTION_ELEMENT_EXPR”, “count”, “cnt”] “n.s as s” => [“SELECTION_ELEMENT_EXPR”, [“EVENT_PROP_EXPR”, [“EVENT_PROP_SIMPLE”, “n”], [“EVENT_PROP_SIMPLE”, “s”]], “s”].

Methods inherited from ASTNode

#child, #fields, #find, #initialize, #listup, #to_a

Constructor Details

This class inherits a constructor from Norikra::Query::ASTNode

Instance Method Details

#alias ⇒ Object

# File 'lib/norikra/query/ast.rb', line 181

def alias
  @children.size == 2 ? @children[1].name : nil
end

#nodetype?(*sym) ⇒ Boolean

“count(*) AS cnt” => [“SELECTION_ELEMENT_EXPR”, “count”, “cnt”] “n.s as s” => [“SELECTION_ELEMENT_EXPR”, [“EVENT_PROP_EXPR”, [“EVENT_PROP_SIMPLE”, “n”], [“EVENT_PROP_SIMPLE”, “s”]], “s”]

Returns:

# File 'lib/norikra/query/ast.rb', line 177

def nodetype?(*sym)
  sym.include?(:selection)
end