Class: XMigra::MSSQLSpecifics::StatisticsObject

Inherits:
Object
  • Object
show all
Defined in:
lib/xmigra/db_support/mssql.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, params) ⇒ StatisticsObject

Returns a new instance of StatisticsObject.



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# File 'lib/xmigra/db_support/mssql.rb', line 19

def initialize(name, params)
  (@name = name.dup).freeze
  (@target = params[0].dup).freeze
  (@columns = params[1].dup).freeze
  @options = params[2] || {}
  @options.freeze
  @options.each_value {|v| v.freeze}
end

Instance Attribute Details

#columns ⇒ Object (readonly)

Returns the value of attribute columns.



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# File 'lib/xmigra/db_support/mssql.rb', line 28

def columns
  @columns
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/xmigra/db_support/mssql.rb', line 28

def name
  @name
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/xmigra/db_support/mssql.rb', line 28

def options
  @options
end

#target ⇒ Object (readonly)

Returns the value of attribute target.



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# File 'lib/xmigra/db_support/mssql.rb', line 28

def target
  @target
end

Instance Method Details

#creation_sql ⇒ Object 



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# File 'lib/xmigra/db_support/mssql.rb', line 30

def creation_sql
  result = "CREATE STATISTICS #{name} ON #{target} (#{columns})"
  
  result += " WHERE " + @options['where'] if @options['where']
  result += " WITH " + @options['with'] if @options['with']
  
  result += ";"
  return result
end