CreateQuery rep1 (children 3)
 Identifier rep1
 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
