CreateQuery t1 (children 3)
 Identifier t1
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration v (children 1)
    DataType UInt64
 Storage definition (children 3)
  Function ReplicatedMergeTree (children 1)
   ExpressionList (children 2)
    Literal \'/test/tables/{database}/test/t1\'
    Literal \'r1\'
  Identifier v
  Identifier v