Class: Ronin::SQL::Statement

Inherits:
Struct
  • Object
show all
Includes:
Clauses, Emittable, Literals, Operators
Defined in:
lib/ronin/sql/statement.rb

Overview

Represents a SQL Statement.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Emittable

#emitter, #inspect, #to_s, #to_sql

Methods included from Clauses

#clause, #clauses, #default_values, #from, #full_join, #group_by, #having, #indexed_by, #inner_join, #into, #join, #left_join, #limit, #not_indexed, #offset, #on, #right_join, #set, #top, #union, #union_all, #values, #where

Methods included from Operators

#!, #!=, #%, #&, #*, #+, #+@, #-, #-@, #/, #<, #<<, #<=, #==, #>, #>=, #>>, #and, #as, #glob, #in, #is, #is_not, #like, #match, #not, #or, #regexp, #|, #~

Methods included from Literals

#float, #int, #null, #string

Constructor Details

#initialize(keyword, argument = nil) {|(statement)| ... } ⇒ Statement

Initializes a new SQL statement.

Parameters:

  • keyword (Symbol, Array<Symbol>) —

    Name of the statement.

  • argument (Object) (defaults to: nil) —

    Additional argument for the statement.

Yields:

  • ((statement)) —

    If a block is given, it will be called.

Yield Parameters:

  • statement (Statement) —

    If the block accepts an argument, it will be passed the new statement. Otherwise the block will be evaluated within the statement.



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# File 'lib/ronin/sql/statement.rb', line 59

def initialize(keyword,argument=nil,&block)
  super(keyword,argument)

  if block
    case block.arity
    when 0 then instance_eval(&block)
    else        block.call(self)
    end
  end
end

Instance Attribute Details

#argument ⇒ Object

Returns the value of attribute argument

Returns:

  • (Object) —

    the current value of argument



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# File 'lib/ronin/sql/statement.rb', line 36

def argument
  @argument
end

#keyword ⇒ Object

Returns the value of attribute keyword

Returns:

  • (Object) —

    the current value of keyword



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# File 'lib/ronin/sql/statement.rb', line 36

def keyword
  @keyword
end