#
# Autogenerated by Thrift Compiler (0.8.0)
#
# DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
#

require 'types_types'
require 'opcodes_types'


module Impala
  module Protocol
    module TExprNodeType
      AGG_EXPR = 0
      ARITHMETIC_EXPR = 1
      BINARY_PRED = 2
      BOOL_LITERAL = 3
      CASE_EXPR = 4
      CAST_EXPR = 5
      COMPOUND_PRED = 6
      DATE_LITERAL = 7
      FLOAT_LITERAL = 8
      FUNCTION_CALL = 9
      INT_LITERAL = 10
      IN_PRED = 11
      IS_NULL_PRED = 12
      LIKE_PRED = 13
      LITERAL_PRED = 14
      NULL_LITERAL = 15
      SLOT_REF = 16
      STRING_LITERAL = 17
      VALUE_MAP = { 0 => "AGG_EXPR", 1 => "ARITHMETIC_EXPR", 2 => "BINARY_PRED", 3 => "BOOL_LITERAL", 4 => "CASE_EXPR", 5 => "CAST_EXPR", 6 => "COMPOUND_PRED", 7 => "DATE_LITERAL", 8 => "FLOAT_LITERAL", 9 => "FUNCTION_CALL", 10 => "INT_LITERAL", 11 => "IN_PRED", 12 => "IS_NULL_PRED", 13 => "LIKE_PRED", 14 => "LITERAL_PRED", 15 => "NULL_LITERAL", 16 => "SLOT_REF", 17 => "STRING_LITERAL" }
      VALID_VALUES = Set.new([AGG_EXPR, ARITHMETIC_EXPR, BINARY_PRED, BOOL_LITERAL, CASE_EXPR, CAST_EXPR, COMPOUND_PRED, DATE_LITERAL, FLOAT_LITERAL, FUNCTION_CALL, INT_LITERAL, IN_PRED, IS_NULL_PRED, LIKE_PRED, LITERAL_PRED, NULL_LITERAL, SLOT_REF, STRING_LITERAL]).freeze
    end

    module TAggregationOp
      INVALID = 0
      COUNT = 1
      MAX = 2
      DISTINCT_PC = 3
      MERGE_PC = 4
      DISTINCT_PCSA = 5
      MERGE_PCSA = 6
      MIN = 7
      SUM = 8
      VALUE_MAP = { 0 => "INVALID", 1 => "COUNT", 2 => "MAX", 3 => "DISTINCT_PC", 4 => "MERGE_PC", 5 => "DISTINCT_PCSA", 6 => "MERGE_PCSA", 7 => "MIN", 8 => "SUM" }
      VALID_VALUES = Set.new([INVALID, COUNT, MAX, DISTINCT_PC, MERGE_PC, DISTINCT_PCSA, MERGE_PCSA, MIN, SUM]).freeze
    end

    class TAggregateExpr
      include ::Thrift::Struct, ::Thrift::Struct_Union
      IS_STAR = 1
      IS_DISTINCT = 2
      OP = 3

      FIELDS = {
      IS_STAR => { :type => ::Thrift::Types::BOOL, :name => 'is_star' },
      IS_DISTINCT => { :type => ::Thrift::Types::BOOL, :name => 'is_distinct' },
      OP => { :type => ::Thrift::Types::I32, :name => 'op', :enum_class => Impala::Protocol::TAggregationOp }
      }

      def struct_fields; FIELDS; end

      def validate
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field is_star is unset!') if @is_star.nil?
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field is_distinct is unset!') if @is_distinct.nil?
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field op is unset!') unless @op
        unless @op.nil? || Impala::Protocol::TAggregationOp::VALID_VALUES.include?(@op)
          raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Invalid value of field op!')
        end
      end

      ::Thrift::Struct.generate_accessors self
    end

    class TBoolLiteral
      include ::Thrift::Struct, ::Thrift::Struct_Union
      VALUE = 1

      FIELDS = {
      VALUE => { :type => ::Thrift::Types::BOOL, :name => 'value' }
      }

      def struct_fields; FIELDS; end

      def validate
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field value is unset!') if @value.nil?
      end

      ::Thrift::Struct.generate_accessors self
    end

    class TCaseExpr
      include ::Thrift::Struct, ::Thrift::Struct_Union
      HAS_CASE_EXPR = 1
      HAS_ELSE_EXPR = 2

      FIELDS = {
      HAS_CASE_EXPR => { :type => ::Thrift::Types::BOOL, :name => 'has_case_expr' },
      HAS_ELSE_EXPR => { :type => ::Thrift::Types::BOOL, :name => 'has_else_expr' }
      }

      def struct_fields; FIELDS; end

      def validate
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field has_case_expr is unset!') if @has_case_expr.nil?
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field has_else_expr is unset!') if @has_else_expr.nil?
      end

      ::Thrift::Struct.generate_accessors self
    end

    class TDateLiteral
      include ::Thrift::Struct, ::Thrift::Struct_Union
      VALUE = 1

      FIELDS = {
      VALUE => { :type => ::Thrift::Types::I64, :name => 'value' }
      }

      def struct_fields; FIELDS; end

      def validate
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field value is unset!') unless @value
      end

      ::Thrift::Struct.generate_accessors self
    end

    class TFloatLiteral
      include ::Thrift::Struct, ::Thrift::Struct_Union
      VALUE = 1

      FIELDS = {
      VALUE => { :type => ::Thrift::Types::DOUBLE, :name => 'value' }
      }

      def struct_fields; FIELDS; end

      def validate
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field value is unset!') unless @value
      end

      ::Thrift::Struct.generate_accessors self
    end

    class TIntLiteral
      include ::Thrift::Struct, ::Thrift::Struct_Union
      VALUE = 1

      FIELDS = {
      VALUE => { :type => ::Thrift::Types::I64, :name => 'value' }
      }

      def struct_fields; FIELDS; end

      def validate
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field value is unset!') unless @value
      end

      ::Thrift::Struct.generate_accessors self
    end

    class TInPredicate
      include ::Thrift::Struct, ::Thrift::Struct_Union
      IS_NOT_IN = 1

      FIELDS = {
      IS_NOT_IN => { :type => ::Thrift::Types::BOOL, :name => 'is_not_in' }
      }

      def struct_fields; FIELDS; end

      def validate
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field is_not_in is unset!') if @is_not_in.nil?
      end

      ::Thrift::Struct.generate_accessors self
    end

    class TIsNullPredicate
      include ::Thrift::Struct, ::Thrift::Struct_Union
      IS_NOT_NULL = 1

      FIELDS = {
      IS_NOT_NULL => { :type => ::Thrift::Types::BOOL, :name => 'is_not_null' }
      }

      def struct_fields; FIELDS; end

      def validate
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field is_not_null is unset!') if @is_not_null.nil?
      end

      ::Thrift::Struct.generate_accessors self
    end

    class TLikePredicate
      include ::Thrift::Struct, ::Thrift::Struct_Union
      ESCAPE_CHAR = 1

      FIELDS = {
      ESCAPE_CHAR => { :type => ::Thrift::Types::STRING, :name => 'escape_char' }
      }

      def struct_fields; FIELDS; end

      def validate
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field escape_char is unset!') unless @escape_char
      end

      ::Thrift::Struct.generate_accessors self
    end

    class TLiteralPredicate
      include ::Thrift::Struct, ::Thrift::Struct_Union
      VALUE = 1
      IS_NULL = 2

      FIELDS = {
      VALUE => { :type => ::Thrift::Types::BOOL, :name => 'value' },
      IS_NULL => { :type => ::Thrift::Types::BOOL, :name => 'is_null' }
      }

      def struct_fields; FIELDS; end

      def validate
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field value is unset!') if @value.nil?
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field is_null is unset!') if @is_null.nil?
      end

      ::Thrift::Struct.generate_accessors self
    end

    class TSlotRef
      include ::Thrift::Struct, ::Thrift::Struct_Union
      SLOT_ID = 1

      FIELDS = {
      SLOT_ID => { :type => ::Thrift::Types::I32, :name => 'slot_id' }
      }

      def struct_fields; FIELDS; end

      def validate
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field slot_id is unset!') unless @slot_id
      end

      ::Thrift::Struct.generate_accessors self
    end

    class TStringLiteral
      include ::Thrift::Struct, ::Thrift::Struct_Union
      VALUE = 1

      FIELDS = {
      VALUE => { :type => ::Thrift::Types::STRING, :name => 'value' }
      }

      def struct_fields; FIELDS; end

      def validate
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field value is unset!') unless @value
      end

      ::Thrift::Struct.generate_accessors self
    end

    class TExprNode
      include ::Thrift::Struct, ::Thrift::Struct_Union
      NODE_TYPE = 1
      TYPE = 2
      OPCODE = 3
      NUM_CHILDREN = 4
      AGG_EXPR = 5
      BOOL_LITERAL = 6
      CASE_EXPR = 7
      DATE_LITERAL = 8
      FLOAT_LITERAL = 9
      INT_LITERAL = 10
      IN_PREDICATE = 11
      IS_NULL_PRED = 12
      LIKE_PRED = 13
      LITERAL_PRED = 14
      SLOT_REF = 15
      STRING_LITERAL = 16

      FIELDS = {
      NODE_TYPE => { :type => ::Thrift::Types::I32, :name => 'node_type', :enum_class => Impala::Protocol::TExprNodeType },
      TYPE => { :type => ::Thrift::Types::I32, :name => 'type', :enum_class => Impala::Protocol::TPrimitiveType },
      OPCODE => { :type => ::Thrift::Types::I32, :name => 'opcode', :optional => true, :enum_class => Impala::Protocol::TExprOpcode },
      NUM_CHILDREN => { :type => ::Thrift::Types::I32, :name => 'num_children' },
      AGG_EXPR => { :type => ::Thrift::Types::STRUCT, :name => 'agg_expr', :class => Impala::Protocol::TAggregateExpr, :optional => true },
      BOOL_LITERAL => { :type => ::Thrift::Types::STRUCT, :name => 'bool_literal', :class => Impala::Protocol::TBoolLiteral, :optional => true },
      CASE_EXPR => { :type => ::Thrift::Types::STRUCT, :name => 'case_expr', :class => Impala::Protocol::TCaseExpr, :optional => true },
      DATE_LITERAL => { :type => ::Thrift::Types::STRUCT, :name => 'date_literal', :class => Impala::Protocol::TDateLiteral, :optional => true },
      FLOAT_LITERAL => { :type => ::Thrift::Types::STRUCT, :name => 'float_literal', :class => Impala::Protocol::TFloatLiteral, :optional => true },
      INT_LITERAL => { :type => ::Thrift::Types::STRUCT, :name => 'int_literal', :class => Impala::Protocol::TIntLiteral, :optional => true },
      IN_PREDICATE => { :type => ::Thrift::Types::STRUCT, :name => 'in_predicate', :class => Impala::Protocol::TInPredicate, :optional => true },
      IS_NULL_PRED => { :type => ::Thrift::Types::STRUCT, :name => 'is_null_pred', :class => Impala::Protocol::TIsNullPredicate, :optional => true },
      LIKE_PRED => { :type => ::Thrift::Types::STRUCT, :name => 'like_pred', :class => Impala::Protocol::TLikePredicate, :optional => true },
      LITERAL_PRED => { :type => ::Thrift::Types::STRUCT, :name => 'literal_pred', :class => Impala::Protocol::TLiteralPredicate, :optional => true },
      SLOT_REF => { :type => ::Thrift::Types::STRUCT, :name => 'slot_ref', :class => Impala::Protocol::TSlotRef, :optional => true },
      STRING_LITERAL => { :type => ::Thrift::Types::STRUCT, :name => 'string_literal', :class => Impala::Protocol::TStringLiteral, :optional => true }
      }

      def struct_fields; FIELDS; end

      def validate
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field node_type is unset!') unless @node_type
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field type is unset!') unless @type
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field num_children is unset!') unless @num_children
        unless @node_type.nil? || Impala::Protocol::TExprNodeType::VALID_VALUES.include?(@node_type)
          raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Invalid value of field node_type!')
        end
        unless @type.nil? || Impala::Protocol::TPrimitiveType::VALID_VALUES.include?(@type)
          raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Invalid value of field type!')
        end
        unless @opcode.nil? || Impala::Protocol::TExprOpcode::VALID_VALUES.include?(@opcode)
          raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Invalid value of field opcode!')
        end
      end

      ::Thrift::Struct.generate_accessors self
    end

    class TExpr
      include ::Thrift::Struct, ::Thrift::Struct_Union
      NODES = 1

      FIELDS = {
      NODES => { :type => ::Thrift::Types::LIST, :name => 'nodes', :element => { :type => ::Thrift::Types::STRUCT, :class => Impala::Protocol::TExprNode } }
      }

      def struct_fields; FIELDS; end

      def validate
        raise ::Thrift::ProtocolException.new(::Thrift::ProtocolException::UNKNOWN, 'Required field nodes is unset!') unless @nodes
      end

      ::Thrift::Struct.generate_accessors self
    end

  end
end