Class: Jaql::SqlGeneration::RunnableQuery::Context

Inherits:

Object

• Object
• Jaql::SqlGeneration::RunnableQuery::Context

Defined in:

lib/jaql/sql_generation/runnable_query.rb

Overview

The context of a particular run Currently just a temporary relation name generator

Instance Method Summary

• #initialize(prefix = nil) ⇒ Context constructor

  A new instance of Context.

• #tmp_relation_name ⇒ Object

Constructor Details

#initialize(prefix = nil) ⇒ Context

# File 'lib/jaql/sql_generation/runnable_query.rb', line 40

def initialize(prefix=nil)
  @prefix       = prefix || 'r'
  @relation_num = 0
end

Instance Method Details

#tmp_relation_name ⇒ Object

# File 'lib/jaql/sql_generation/runnable_query.rb', line 45

def tmp_relation_name()
  @relation_num += 1
  "#{@prefix}#{@relation_num}"
end