CreateQuery t02006 (children 4)
 Identifier t02006
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration a (children 1)
    DataType String
   ColumnDeclaration b (children 1)
    DataType UInt32
 Storage definition (children 3)
  Function ReplicatedMergeTree
  Identifier a
  Identifier a
 Identifier Null
