Class: Rsconn::Redshift

Inherits:
Postgres show all
Defined in:
lib/rsconn.rb

Instance Attribute Summary collapse

Attributes inherited from Postgres

#conn

Instance Method Summary collapse

Methods inherited from Postgres

#clear_error_state, #drop_table_if_exists, #drop_view_if_exists, #error_occurred?, #execute, #execute_script, #query, #table_exists?

Constructor Details

#initialize(host, port, database, user, password, options = {}) ⇒ Redshift

Returns a new instance of Redshift.



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# File 'lib/rsconn.rb', line 8

def initialize(host, port, database, user, password, options={})
  super
  @query_group = options.fetch(:query_group, nil)
  @query_slot_count = options.fetch(:query_slot_count, nil)

  set_query_group(@query_group) if @query_group
  set_query_slot_count(@query_slot_count) if @query_slot_count
end

Instance Attribute Details

#query_group ⇒ Object (readonly)

Returns the value of attribute query_group.



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# File 'lib/rsconn.rb', line 6

def query_group
  @query_group
end

#query_slot_count ⇒ Object (readonly)

Returns the value of attribute query_slot_count.



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# File 'lib/rsconn.rb', line 6

def query_slot_count
  @query_slot_count
end

Instance Method Details

#set_query_group(query_group) ⇒ Object 



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# File 'lib/rsconn.rb', line 17

def set_query_group(query_group)
  execute("SET query_group TO #{query_group};")
end

#set_query_slot_count(count) ⇒ Object 



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# File 'lib/rsconn.rb', line 21

def set_query_slot_count(count)
  execute("SET wlm_query_slot_count TO #{count};")
end