What are the main components of Query Processor in Apache Hive?

The main components of Apache Hive Query Processor are as follows:

  • Parse and SemanticAnalysis (ql/parse)
  • Optimizer (ql/optimizer)
  • Plan Components (ql/plan)
  • MetaData Layer (ql/metadata)
  • Map/Reduce Execution Engine (ql/exec)
  • Sessions (ql/session)
  • Type interfaces (ql/typeinfo)
  • Hive Function Framework (ql/udf)
  • Tools (ql/tools)
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