anchor.diff:  import Symbol, Keyword, Literals, BaseRule;
   
   createTable
  -    : CREATE temporaryClause_ TABLE existClause_ tableName createDefinitions inheritClause?
  +    : CREATE temporaryClause_ TABLE existClause_ tableName createDefinitionClause_ inheritClause
       ;
   
   createIndex
  
positive.code:     : (IF NOT EXISTS)?
      ;
  
  createDefinitions
      : LP_ (createDefinition (COMMA_ createDefinition)*)? RP_
      ;
  
  
negative.code:     ;
  
  inheritClause
      : (INHERITS tableNames)?
      ;
  
  alterIndexName
  