Class: Droonga::Catalog::Schema::Column

Inherits:
Object
  • Object
show all
Defined in:
lib/droonga/catalog/schema.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(table, name, data) ⇒ Column

Returns a new instance of Column.



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# File 'lib/droonga/catalog/schema.rb', line 69

def initialize(table, name, data)
  @table = table
  @name = name
  @data = data
  @vector_options = ColumnVectorOptions.new(vector_options_data)
  @index_options = ColumnIndexOptions.new(index_options_data)
end

Instance Attribute Details

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/droonga/catalog/schema.rb', line 68

def data
  @data
end

#index_options ⇒ Object (readonly)

Returns the value of attribute index_options.



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# File 'lib/droonga/catalog/schema.rb', line 68

def index_options
  @index_options
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/droonga/catalog/schema.rb', line 68

def name
  @name
end

#table ⇒ Object (readonly)

Returns the value of attribute table.



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# File 'lib/droonga/catalog/schema.rb', line 68

def table
  @table
end

#vector_options ⇒ Object (readonly)

Returns the value of attribute vector_options.



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# File 'lib/droonga/catalog/schema.rb', line 68

def vector_options
  @vector_options
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/droonga/catalog/schema.rb', line 77

def ==(other)
  self.class == other.class and
    name == other.name and
    data == other.data
end

#flags ⇒ Object 



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# File 'lib/droonga/catalog/schema.rb', line 100

def flags
  [type_flag] + vector_options.flags + index_options.flags
end

#to_column_create_body ⇒ Object 



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# File 'lib/droonga/catalog/schema.rb', line 116

def to_column_create_body
  body = {
    "name"  => name,
    "table" => table,
    "flags" => flags.join("|"),
    "type"  => value_type_groonga
  }
  sources = index_options.sources
  if sources
    body["source"] = sources.join(",")
  end

  body
end

#type ⇒ Object 



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# File 'lib/droonga/catalog/schema.rb', line 83

def type
  @data["type"] || "Scalar"
end

#type_flag ⇒ Object 



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# File 'lib/droonga/catalog/schema.rb', line 87

def type_flag
  case type
  when "Scalar"
    "COLUMN_SCALAR"
  when "Vector"
    "COLUMN_VECTOR"
  when "Index"
    "COLUMN_INDEX"
  else
    # TODO raise appropriate error
  end
end

#value_type ⇒ Object 



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# File 'lib/droonga/catalog/schema.rb', line 104

def value_type
  @data["valueType"]
end

#value_type_groonga ⇒ Object 



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# File 'lib/droonga/catalog/schema.rb', line 108

def value_type_groonga
  if value_type == "Integer"
    "Int64"
  else
    value_type
  end
end