CreateQuery rep2 (children 3)
 Identifier rep2
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration key (children 1)
    DataType Int
 Storage definition (children 2)
  Function ReplicatedMergeTree (children 1)
   ExpressionList (children 2)
    Literal \'/{database}/rep\'
    Literal \'{table}\'
  Identifier key
