Class: DB::Model::Statement::Delete

Inherits:
Object
  • Object
show all
Defined in:
lib/db/model/statement/delete.rb

Instance Method Summary collapse

Constructor Details

#initialize(source, where: nil, order: nil, limit: nil) ⇒ Delete

Returns a new instance of Delete.



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# File 'lib/db/model/statement/delete.rb', line 27

def initialize(source, where: nil, order: nil, limit: nil)
  @source = source
  @where = where
  @order = order
  @limit = limit
end

Instance Method Details

#call(context) ⇒ Object 



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# File 'lib/db/model/statement/delete.rb', line 50

def call(context)
  to_sql(context).call
end

#to_sql(context) ⇒ Object 



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# File 'lib/db/model/statement/delete.rb', line 34

def to_sql(context)
  statement = context.clause("DELETE FROM")
  
  statement.identifier(@source.type)
  
  if @where
    statement.clause "WHERE"
    @where.append_to(statement)
  end
  
  @order&.append_to(statement)
  @limit&.append_to(statement)
  
  return statement
end