Class: Timescaledb::Rails::Chunk

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
lib/timescaledb/rails/models/chunk.rb

Overview

:nodoc:

Instance Method Summary collapse

Instance Method Details

#chunk_full_name ⇒ Object 



15
16
17
 
# File 'lib/timescaledb/rails/models/chunk.rb', line 15

def chunk_full_name
  "#{chunk_schema}.#{chunk_name}"
end

#compress! ⇒ Object 



19
20
21
22
23
 
# File 'lib/timescaledb/rails/models/chunk.rb', line 19

def compress!
  ::ActiveRecord::Base.connection.execute(
    "SELECT compress_chunk('#{chunk_full_name}')"
  )
end

#decompress! ⇒ Object 



25
26
27
28
29
 
# File 'lib/timescaledb/rails/models/chunk.rb', line 25

def decompress!
  ::ActiveRecord::Base.connection.execute(
    "SELECT decompress_chunk('#{chunk_full_name}')"
  )
end

#reorder!(index = nil) ⇒ Object

Parameters:

  • index (String) (defaults to: nil) —

    The name of the index to order by



33
34
35
36
37
38
39
40
41
42
43
44
45
46
 
# File 'lib/timescaledb/rails/models/chunk.rb', line 33

def reorder!(index = nil)
  if index.blank? && !hypertable.reorder?
    raise ArgumentError, 'Index name is required if reorder policy is not set'
  end

  index ||= hypertable.reorder_policy_index_name

  options = ["'#{chunk_full_name}'"]
  options << "'#{index}'" if index.present?

  ::ActiveRecord::Base.connection.execute(
    "SELECT reorder_chunk(#{options.join(', ')})"
  )
end