Class: GroongaSchema::Column

Inherits:
Object
  • Object
show all
Defined in:
lib/groonga-schema/column.rb

Defined Under Namespace

Classes: CommandApplier

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(table_name, name) ⇒ Column

Returns a new instance of Column.



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# File 'lib/groonga-schema/column.rb', line 27

def initialize(table_name, name)
  @table_name = table_name
  @name = name
  @type = :scalar
  @flags = []
  @value_type = "ShortText"
  @sources = []
  @reference_value_type = false
  @related_columns = []
end

Instance Attribute Details

#flags ⇒ Object

Returns the value of attribute flags.



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# File 'lib/groonga-schema/column.rb', line 22

def flags
  @flags
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/groonga-schema/column.rb', line 20

def name
  @name
end

#reference_value_type=(value) ⇒ Object (writeonly)

Sets the attribute reference_value_type

Parameters:

  • value —

    the value to set the attribute reference_value_type to.



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# File 'lib/groonga-schema/column.rb', line 25

def reference_value_type=(value)
  @reference_value_type = value
end

#related_columns ⇒ Object

Returns the value of attribute related_columns.



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# File 'lib/groonga-schema/column.rb', line 26

def related_columns
  @related_columns
end

#sources ⇒ Object

Returns the value of attribute sources.



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# File 'lib/groonga-schema/column.rb', line 24

def sources
  @sources
end

#table_name ⇒ Object (readonly)

Returns the value of attribute table_name.



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# File 'lib/groonga-schema/column.rb', line 19

def table_name
  @table_name
end

#type ⇒ Object

Returns the value of attribute type.



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# File 'lib/groonga-schema/column.rb', line 21

def type
  @type
end

#value_type ⇒ Object

Returns the value of attribute value_type.



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# File 'lib/groonga-schema/column.rb', line 23

def value_type
  @value_type
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/groonga-schema/column.rb', line 55

def ==(other)
  return false unless other.is_a?(self.class)

  @table_name == other.table_name and
    @name == other.name and
    @type == other.type and
    @flags.sort == other.flags.sort and
    @value_type == other.value_type and
    @sources == other.sources
end

#apply_column(column) ⇒ Object 



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# File 'lib/groonga-schema/column.rb', line 47

def apply_column(column)
  self.type                 = column.type
  self.flags                = column.flags
  self.value_type           = column.value_type
  self.sources              = column.sources
  self.reference_value_type = column.reference_value_type?
end

#apply_command(command) ⇒ Object 



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# File 'lib/groonga-schema/column.rb', line 42

def apply_command(command)
  applier = CommandApplier.new(self, command)
  applier.apply
end

#reference_value_type? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/groonga-schema/column.rb', line 38

def reference_value_type?
  @reference_value_type
end

#to_copy_groonga_command(to_table_name, to_name) ⇒ Object 



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# File 'lib/groonga-schema/column.rb', line 74

def to_copy_groonga_command(to_table_name, to_name)
  column_copy_command(to_table_name, to_name)
end

#to_create_groonga_command ⇒ Object 



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# File 'lib/groonga-schema/column.rb', line 66

def to_create_groonga_command
  column_create_command(@name)
end

#to_migrate_finish_groonga_commands ⇒ Object 



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# File 'lib/groonga-schema/column.rb', line 89

def to_migrate_finish_groonga_commands
  [
    column_remove_command(old_name),
  ]
end

#to_migrate_start_groonga_commands ⇒ Object 



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# File 'lib/groonga-schema/column.rb', line 78

def to_migrate_start_groonga_commands
  commands = []
  commands << column_create_command(new_name)
  if type != :index
    commands << column_copy_command(@table_name, new_name)
  end
  commands << column_rename_command(@name, old_name)
  commands << column_rename_command(new_name, @name)
  commands
end

#to_remove_groonga_command ⇒ Object 



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# File 'lib/groonga-schema/column.rb', line 70

def to_remove_groonga_command
  column_remove_command(@name)
end