Class: DbDiff::Table

Inherits:
Object
  • Object
show all
Defined in:
lib/dbdiff/table.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(info = {}) ⇒ Table

Returns a new instance of Table.



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# File 'lib/dbdiff/table.rb', line 6

def initialize(info = {})

  @rows = []
  @foreign_keys = []
  @keys = []
  @columns = []
  @triggers = []

  @engine = info['ENGINE']
  @collation = info['TABLE_COLLATION']
  @name = info['TABLE_NAME']
end

Instance Attribute Details

#charset ⇒ Object

Returns the value of attribute charset.



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# File 'lib/dbdiff/table.rb', line 4

def charset
  @charset
end

#collation ⇒ Object

Returns the value of attribute collation.



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# File 'lib/dbdiff/table.rb', line 4

def collation
  @collation
end

#columns ⇒ Object

Returns the value of attribute columns.



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# File 'lib/dbdiff/table.rb', line 4

def columns
  @columns
end

#engine ⇒ Object

Returns the value of attribute engine.



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# File 'lib/dbdiff/table.rb', line 4

def engine
  @engine
end

#foreign_keys ⇒ Object

Returns the value of attribute foreign_keys.



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# File 'lib/dbdiff/table.rb', line 4

def foreign_keys
  @foreign_keys
end

#keys ⇒ Object

Returns the value of attribute keys.



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# File 'lib/dbdiff/table.rb', line 4

def keys
  @keys
end

#name ⇒ Object (readonly) Also known as: table_name

Returns the value of attribute name.



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# File 'lib/dbdiff/table.rb', line 3

def name
  @name
end

#rows ⇒ Object

Returns the value of attribute rows.



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# File 'lib/dbdiff/table.rb', line 4

def rows
  @rows
end

#triggers ⇒ Object

Returns the value of attribute triggers.



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# File 'lib/dbdiff/table.rb', line 4

def triggers
  @triggers
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/dbdiff/table.rb', line 26

def ==(other)
  self.engine    == other.engine &&
  self.collation == other.collation &&
  self.name      == other.name
end

#add_delta ⇒ Object 



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# File 'lib/dbdiff/table.rb', line 37

def add_delta
  Delta::AddTable.new(self)
end

#deep_clone ⇒ Object 



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# File 'lib/dbdiff/table.rb', line 32

def deep_clone
  t = Marshal::load(Marshal.dump(self))
  # must clear rows out since they won't necessary be in the copy
end

#drop_delta ⇒ Object 



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# File 'lib/dbdiff/table.rb', line 45

def drop_delta
  Delta::DropTable.new(self)
end

#modify_delta(new_element) ⇒ Object 



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# File 'lib/dbdiff/table.rb', line 41

def modify_delta(new_element)
  Delta::ModifyTable.new(new_element)
end

#primary_key ⇒ Object 



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# File 'lib/dbdiff/table.rb', line 21

def primary_key
  pk = keys.find{|k| k.primary}
  return (pk  ? pk.columns : nil)
end