Class: Cassie::Statements::Execution::PartitionLinking::SimplePolicy

Inherits:
Object
  • Object
show all
Includes:
PolicyMethods
Defined in:
lib/cassie/statements/execution/partition_linking/simple_policy.rb

Direct Known Subclasses

CursoringPolicy

Instance Method Summary collapse

Methods included from PolicyMethods

#end_of_partition?, #initialize, #link, #partition_available?, #prepare_execution, #seek_partition?

Instance Method Details

#combine_rows(rows_a, rows_b) ⇒ Object 



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# File 'lib/cassie/statements/execution/partition_linking/simple_policy.rb', line 7

def combine_rows(rows_a, rows_b)
  rows_a + rows_b
end

#next_key(current_key) ⇒ Object 



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# File 'lib/cassie/statements/execution/partition_linking/simple_policy.rb', line 11

def next_key(current_key)
  current_key + 1
end

#previous_key(current_key) ⇒ Object 



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# File 'lib/cassie/statements/execution/partition_linking/simple_policy.rb', line 15

def previous_key(current_key)
  current_key - 1
end